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Rohde & Schwarz EX-IQ-BOX User Manual

Rohde & Schwarz EX-IQ-BOX User Manual

Digital interface module
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Table of Contents

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®
R&S
EX-IQ-BOX
Digital Interface Module
®
R&S
DigIConf Software

User Manual

(>9ÅÔP)
1409.5570.32 ─ 06

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  • Page 1: User Manual

    ® R&S EX-IQ-BOX Digital Interface Module ® R&S DigIConf Software User Manual (>9ÅÔP) 1409.5570.32 ─ 06...
  • Page 2 ® This document describes the R&S EX-IQ-BOX models: ● ® R&S EX-IQ-BOX 1409.5505K04 and its options, ● ® R&S EX-IQ-BOX 1409.5505.02, ® and the R&S DigIConf (Digital Interface Configurator) software. The firmware of the instrument makes use of several valuable open source software packages. For information, see the "Open Source Acknowledgement"...
  • Page 3 Basic Safety Instructions Always read through and comply with the following safety instructions! All plants and locations of the Rohde & Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety. Our products and the auxiliary equipment they require are designed, built and tested in accordance with the safety standards that apply in each case.
  • Page 4 Basic Safety Instructions Symbol Meaning Symbol Meaning Caution ! Hot surface Alternating current (AC) Protective conductor terminal Direct/alternating current (DC/AC) To identify any terminal which is intended for connection to an external conductor for protection against electric shock in case of a fault, or the terminal of a protective earth Earth (Ground) Class II Equipment...
  • Page 5 Basic Safety Instructions Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer, without the product's ventilation being obstructed. If the manufacturer's specifications are not observed, this can result in electric shock, fire and/or serious personal injury or death. Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed.
  • Page 6 Basic Safety Instructions 6. The product may be operated only from TN/TT supply networks fuse-protected with max. 16 A (higher fuse only after consulting with the Rohde & Schwarz group of companies). 7. Do not insert the plug into sockets that are dusty or dirty. Insert the plug firmly and all the way into the socket provided for this purpose.
  • Page 7 Basic Safety Instructions 2. Before you move or transport the product, read and observe the section titled "Transport". 3. As with all industrially manufactured goods, the use of substances that induce an allergic reaction (allergens) such as nickel cannot be generally excluded. If you develop an allergic reaction (such as a skin rash, frequent sneezing, red eyes or respiratory difficulties) when using a Rohde &...
  • Page 8 Basic Safety Instructions 2. Adjustments, replacement of parts, maintenance and repair may be performed only by electrical experts authorized by Rohde & Schwarz. Only original parts may be used for replacing parts relevant to safety (e.g. power switches, power transformers, fuses). A safety test must always be performed after parts relevant to safety have been replaced (visual inspection, protective conductor test, insulation resistance measurement, leakage current measurement, functional test).
  • Page 9 Instrucciones de seguridad elementales 3. If you use the product in a vehicle, it is the sole responsibility of the driver to drive the vehicle safely and properly. The manufacturer assumes no responsibility for accidents or collisions. Never use the product in a moving vehicle if doing so could distract the driver of the vehicle.
  • Page 10 Instrucciones de seguridad elementales Además queda en la responsabilidad del usuario utilizar el producto en la forma debida. Este producto está destinado exclusivamente al uso en la industria y el laboratorio o, si ha sido expresamente autorizado, para aplicaciones de campo y de ninguna manera deberá ser utilizado de modo que alguna persona/cosa pueda sufrir daño.
  • Page 11 Instrucciones de seguridad elementales Símbolo Significado Símbolo Significado Conexión a tierra El aparato está protegido en su totalidad por un aislamiento doble (reforzado) Conexión a masa Distintivo de la UE para baterías y acumuladores Más información en la sección "Eliminación/protección del medio ambiente", punto 1.
  • Page 12 Instrucciones de seguridad elementales Estados operativos y posiciones de funcionamiento El producto solamente debe ser utilizado según lo indicado por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilación. Si no se siguen las indicaciones del fabricante, pueden producirse choques eléctricos, incendios y/o lesiones graves con posible consecuencia de muerte.
  • Page 13 Instrucciones de seguridad elementales integran productos sin interruptor en bastidores o instalaciones, se deberá colocar el interruptor en el nivel de la instalación. 5. No utilice nunca el producto si está dañado el cable de conexión a red. Compruebe regularmente el correcto estado de los cables de conexión a red.
  • Page 14 Instrucciones de seguridad elementales 17. No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de éste, como p. ej. al desplazarlo de un lugar frío a otro caliente.
  • Page 15 Instrucciones de seguridad elementales pueden causar perturbaciones radioeléctricas en entornos residenciales debido a posibles perturbaciones guiadas o radiadas. En este caso, se le podrá solicitar al operador que tome las medidas adecuadas para eliminar estas perturbaciones.  Aparato de clase B: Aparato adecuado para su uso en entornos residenciales, así...
  • Page 16 Instrucciones de seguridad elementales 8. En caso de devolver baterías de litio a las filiales de Rohde & Schwarz, debe cumplirse las normativas sobre los modos de transporte (IATA-DGR, código IMDG, ADR, RID). Transporte 1. El producto puede tener un peso elevado. Por eso es necesario desplazarlo o transportarlo con precaución y, si es necesario, usando un sistema de elevación adecuado (p.

  • Page 17: Customer Support

    Customer Support Technical support – where and when you need it For quick, expert help with any Rohde & Schwarz equipment, contact one of our Customer Support Centers. A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation, programming or applications of Rohde &...

  • Page 18: Table Of Contents

    ® Contents R&S EX-IQ-BOX Contents 1 Preface....................5 Documentation Overview.....................5 Typographical Conventions..................9 2 Welcome to the R&S EX-IQ-BOX............11 3 System Overview.................14 Basic Operating Modes....................14 Components........................21 4 Getting Started..................26 Safety Instructions......................26 Unpacking the R&S EX-IQ-BOX.................29 Control Elements and Connectors................29 Installing R&S DigIConf....................34 Connecting the R&S EX-IQ-BOX................42...
  • Page 19 ® Contents R&S EX-IQ-BOX 9 Remote Control Commands..............236 Common Commands....................236 R&S EX-IQ-BOX - Remote Control Commands............239 User Defined - Remote Control Commands............257 CPRI Remote Control Commands................286 10 Interfaces....................355 10.1 User Interface of the R&S EX-IQ-BOX..............355 10.2 LAN Connector......................357 10.3 Breakout Boards.......................358 A Annex....................369...

  • Page 20: Preface

    Configuration software R&S DigIConf, 1.1.1 Quick Start Guide The Quick Start Guide is delivered with the R&S EX-IQ-BOX in printed form and in PDF format on the user documentation CD-ROM. It provides the information needed to put the R&S EX-IQ-BOX into operation and get familiar with the device.

  • Page 21: User Manual 1409.5570.32 ─ 05

    Documentation Overview Getting Started Describes the control elements and connectors of the R&S EX-IQ-BOX and the proce- dures required for putting the R&S EX-IQ-BOX into operation. It encloses the installation of the configuration software R&S DigIConf, installation of options, and connection of the R&S EX-IQ-BOX to an R&S instrument and the DUT.
  • Page 22 Software ● DigIConf_*.exe (Digital Interface Configurator) R&S DigIConf is a software for configurating the R&S EX-IQ-BOX settings via USB interface and a PC. 1.1.4 Operating Manual The operating manual is available in PDF format - in printable form - on the Documen- tation CD-ROM delivered with the R&S EX-IQ-BOX.

  • Page 23: User Manual 1409.5570.32 ─ 05

    R&S EX-IQ-BOX Configuration Describes the configuration software R&S DigIConf. Additionally this section encloses information on configuration of the R&S EX-IQ-BOX via software or via R&S instruments. Protocol Settings This part describes the configuration software R&S DigIConf in general, and the functions of the transmission protocols in detail.

  • Page 24: Typographical Conventions

    EX-IQ-BOX Typographical Conventions 1.1.5 Service Manual The service manaul describes some service functions provided for the R&S EX-IQ-BOX, and for the breakout board of the digital standardized protocol CPRI. Additionally, it con- tains information for customer support and service. The service manual is subdivided into general safety instructions plus the service and...
  • Page 25 ® Preface R&S EX-IQ-BOX Typographical Conventions Convention Description File names, commands, File names, commands, coding samples and screen output are distin- program code guished by their font. Input Input to be entered by the user is displayed in italics. ​...

  • Page 26: Welcome To The R&S Ex-Iq-Box

    ● For CPRI applications, separate options support the respective signal formats. The R&S EX-IQ-BOX is controlled via the USB interface. It is operated from a PC by using the configuration software R&S DigIConf. Test setups of the R&S EX-IQ-BOX 1409.5505.02 with instruments of the R&S SMU or R&S FSQ families provide control of the R&S EX-IQ-BOX without using the digital inter-...
  • Page 27 SIM2 The signals that are generated with the aid of the R&S WinIQSIM2 software can be output by the Waveform Memory or the Multi Waveform Playback of the R&S EX-IQ-BOX. Sig- nals calculated by Matlab software can be directly loaded.
  • Page 28 Rohde & Schwarz: http://www.rohde-schwarz.com/product/EX-IQ-Box.html This website always offers the latest information about your R&S EX-IQ-BOX, about the current firmware and the software R&S DigIConf, e.g. also on changes of the software update procedure.

  • Page 29: System Overview

    DUT via the R&S EX-IQ-BOX. Vice versa, the R&S EX-IQ-BOX works as a receiver, while it receives a test signal from a DUT and transfers it to an R&S instrument for analyzing. For further configuration examples refer to ​...
  • Page 30 USB IN R&S EX-IQ-BOX IQ OUT DIG. IQ IN Data User REF OUT REF IN Reference Interface Breakout Board Data Fig. 3-2: R&S EX-IQ-BOX and R&S instrument working in receiver mode, controlled by R&S DigIConf User Manual 1409.5570.32 ─ 05...

  • Page 31: System Overview

    Breakout Board Data Fig. 3-3: Configuration example of the R&S EX-IQ-BOX, directly controlled by an R&S instrument This example shows a basic configuration of the R&S EX-IQ-BOX 1409.5502.02, working with an R&S signal generator. The R&S EX-IQ-BOX operates in transmitter mode from the signal generator to the DUT.
  • Page 32 Basic Operating Modes Information on the LAN Connector of the R&S EX-IQ-BOX Data and settings of the R&S EX-IQ-BOX are controlled via the USB interface. The LAN connector is intended for future use and it is not possible to directly remote-control the R&S EX-IQ-BOX via the LAN interface.
  • Page 33 The R&S EX-IQ-BOX 1409.5505K04 is always controlled by R&S DigIConf. If the R&S EX-IQ-BOX 1409.5502.02 works directly with an R&S instrument, i.e. without R&S DigIConf, the box is accessed by the instrument via the USB interface. Remote control is executed via the instrument, i.e. all remote control interfaces of the instrument can be usesd, as well as all remote-control modes.
  • Page 34 Data Control R&S EX-IQ-BOX Fig. 3-6: Example of remote control of an R&S instrument with a connected R&S EX-IQ-BOX 3.1.4 Waveform Memory, Multi Waveform Playback and Recording Mem- Waveform Memory, Multi Waveform Playback and Recording Memory are performed with R&S DigIConf and standardized protocols.
  • Page 35 Breakout Board Data Fig. 3-7: Configuration example of the R&S EX-IQ-BOX equipped with a Waveform Memory Equipped with the Recording Memory option, the R&S EX-IQ-BOX records received I/Q signals. With a suitable program, the data can be displayed on a PC and evaluated.

  • Page 36: Components

    System Overview R&S EX-IQ-BOX Components The R&S EX-IQ-BOX can execute signal generation from a Waveform Memory and data recording simultaneously. 3.2 Components This chapter provides an overview of the available components for test setups with the R&S EX-IQ-BOX. Hardware and software components and the according part numbers are listed.
  • Page 37 R&S EX-IQ-BOX Components 3.2.2 Options The options concept allows you to individually equip the R&S EX-IQ-BOX according to the requirements of the application. Additionally, note the following information in order to configure the R&S EX-IQ-BOX correctly: ● Standardized protocols always exist of the option for the hardware (Breakout Board) and one or several options for the software.
  • Page 38 The following software options providing digital standards are available. The signals gen- erated with the aid of the R&S WinIQSIM2 software can be output by the Waveform Memory or the Multi Waveform Playback of the R&S EX-IQ-BOX. Digital standards are provided by the R&S EX-IQ-BOX 1409.5505K04 and the configuration software R&S DigIConf.
  • Page 39 3.2.2, "Options", on page 22. R&S DigIConf provides: ● the control of the R&S EX-IQ-BOX from a PC, or also from the R&S CMW ● parameter settings of the R&S EX-IQ-BOX 1409.5502.02 for User Defined protocols ● parameter settings of the R&S EX-IQ-BOX 1409.5502K04, for –...
  • Page 40 R&S EX-IQ-BOX, and R&S signal analyzer to the second one. The R&S EX-IQ-BOXes are connected via the R&S EXBOX-Z2 breakout board. The signal generator sends an I/Q signal to the first R&S EX-IQ-BOX which forwards this signal to the second R&S EX-IQ-BOX via the breakout board. With the signal analyzer you can evaluate and display the transmitted signal.

  • Page 41: Getting Started

    The ambient temperature does not exceed the range specified in the data sheet. ● Signal levels at the input and output connectors are all within the specified ranges. Failure to meet these conditions may cause damage to the R&S EX-IQ-BOX or other devices in the test setup. User Manual 1409.5570.32 ─ 05...
  • Page 42 The type of the electrical signals are based on various logic types (TTL or CMOS stand- ard) performing different logic levels. The logic type of the connected DUT must be com- patible to the set logic type of the R&S EX-IQ-BOX. Inappropriate logic types may cause damage to the R&S EX-IQ-BOX or to the DUT.

  • Page 43: Getting Started

    Input: 100-240VAC 1.5A 50-60Hz Output: 5VDC 6.0A The R&S EX-IQ-BOX must not be specially switched on or switched off, but is ready for operation after connection of the power supply and the USB. Also the device is powered off while the USB connection is disconnected and the net plug is pulled.

  • Page 44: Unpacking The R&S Ex-Iq-Box

    Make sure not to discard the box and packing material. Packing material Retain the original packing material. If the R&S EX-IQ-BOX needs to be transported or shipped at a later date, you can use the material to prevent control elements and con- nectors from being damaged.
  • Page 45 4.3.1 Front Panel Tour This section gives an overview of the control elements and the connectors at the front panel of the R&S EX-IQ-BOX. Each element/connector is briefly described and a refer- ence is given to the chapters containing detailed information.
  • Page 46 Dok (56 differential pairs). This interface is used to connect the breakout boards. 4.3.1.3 MODE - LED The MODE LED indicates current activities of the R&S EX-IQ-BOX. ● Green blinking: the configuration file (application specific image) is loading. ● Green continuous: the configuration file (application specific image) is currently active.

  • Page 47: Rear Panel View

    4.3.2 Rear Panel View This section gives an overview of the control elements and the connectors on the rear panel of the R&S EX-IQ-BOX. Each element/connector is briefly described and a refer- ence is given to the chapters containing detailed information.
  • Page 48 R&S EX-IQ-BOX via this interface. Data and settings of the R&S EX-IQ-BOX are controlled via the USB interface. The R&S EX-IQ-BOX is connected to the LAN with the aid of a commercial RJ-45 CAT7 cable. The interface supports 10/100/1000Mbps Ethernet IEEE 802.3u.

  • Page 49: Installing R&S Digiconf

    EX-IQ-BOX Installing R&S DigIConf 4.3.2.6 POWER - Power supply The R&S EX-IQ-BOX is supplied with an external power supply unit and a separate power cable, see ​ c hapter 4.5, "Connecting the R&S EX-IQ-BOX", on page 42. The Power LED indicates the different operating states of the device, depending on the state of the external voltages.
  • Page 50 Disconnect all R&S EX-IQ-BOXes and do not connect any during installation. 4.4.1 Installation The setup file DigIConf_x.xx.xxx.exe for the installation of the R&S DigIConf is included in the delivery of your R&S EX-IQ-BOX or can be downloaded from the R&S website: http://www.rohde-schwarz.com/product/EX-IQ-Box.html ► Execute DigIConf_x.xx.xxx.exe in the windows explorer and follow the installation instructions of the R&S DigIConf...
  • Page 51 ® Getting Started R&S EX-IQ-BOX Installing R&S DigIConf It is recommended that you accept modification. However, it is also possible, to modify the status later on. The installation wizard prepares the respective entries for a later modification. In the last installation window the setup wizard provides a shortcut to the desktop and you can run R&S DigIConf.
  • Page 52 If several boxes are connected, the respective test configu- ration is indicated for every R&S EX-IQ-BOX. Fig. 4-6: R&S DigIConf display of the R&S EX-IQ-BOX connected to an R&S AMU200A Fig. 4-7: R&S DigIConf display of the R&S EX-IQ-BOX connected to an R&S FSQ-26...
  • Page 53 R&S EX-IQ-BOX Installing R&S DigIConf Fig. 4-8: R&S DigIConf display of the R&S EX-IQ-BOX operating in bidirectional mode For a detailed description of the application window and its elements refer to the operating manual, ​ c hapter 6.1, "R&S DigIConf Configuration Software", on page 53.
  • Page 54 4.4.4 Known Restrictions on SmartCard Related Issues If a R&S EX-IQ-BOX is connected while the computer is locked, login can be performed without any conflicts coming up. But if a R&S EX-IQ-BOX is already connected and you want to log in, the following "Logon Message" appears:...
  • Page 55 Installing R&S DigIConf Fig. 4-9: R&S DigIConf Installation > Logon message Windows interprets the internal SmartCard of the R&S EX-IQ-BOX as a medium for login and therefore causes this message. When trying to confirm, the system reacts in different ways, depending on the status of the "DisableCAD"...
  • Page 56 ® Getting Started R&S EX-IQ-BOX Installing R&S DigIConf R&S DigIConf also provides the file EnableCAD.reg in the installation directory to dis- able the sequence accordingly. 4.4.4.2 DisableCAD - Background Information The DisableCAD parameter determines whether you must press the (CTRL+ALT+DEL) security attention sequence for windows login, or whether the login window directly appears after startup or after locked desktop.

  • Page 57: Connecting The R&S Ex-Iq-Box

    The require users to "Press Ctrl-Alt-Del" check box is skipped. 4.5 Connecting the R&S EX-IQ-BOX This section describes how to connect the R&S EX-IQ-BOX in principle, i.e. to the power supply, to a PC, an R&S instrument and to the DUT. Connection and startup require no particular order, but it is recommended that you follow the procedure as described below.
  • Page 58 The device is still power-supplied while it is in standby mode. 2. USB Connection To establish a connection between the R&S EX-IQ-BOX and a PC or an R&S instrument (R&S EX-IQ-BOX 1409.5502.02), proceed as follows: 1. Connect the USB cable plug B to the R&S EX-IQ-BOX USB IN 2.

  • Page 59: Installing R&S Ex-Iq-Box Options

    This section explains how to install an option of the R&S EX-IQ-BOX. Prerequisites Before installing an option, make sure that the R&S EX-IQ-BOX is power supplied and an USB connection is established. Keep the license key ready that is provided with the software option.
  • Page 60 The hardware tab indicates various information on a selected device, like part num- ber, serial number, firmware version, and so on. 3. In the "Options" tab, select the appropriate "EX-IQ-BOX Device". The list box lists each connected R&S EX-IQ-BOX. User Manual 1409.5570.32 ─ 05...
  • Page 61 Checking for installed options To check installed options proceed as follows: 1. Open the "EX-IQ-BOX Device Manager" dialog. 2. Select the R&S EX-IQ-BOX from "EX-IQ-BOX Device". The installed options are displayed in the "Installed Options" table. User Manual 1409.5570.32 ─ 05...

  • Page 62: Application Examples

    This chapter covers some application examples. The test setups show the R&S EX-IQ- BOX controlled by R&S DigIConf. Applications with User Defined Interface transmission protocols also support the direct control of the R&S EX-IQ-BOX by R&S Instruments. Standardized interface protocols always require the configuration by R&S DigIConf.

  • Page 63: Cpri Test Setup

    5.2 CPRI Test Setup The following test setups show two typical CPRI test scenarios with the R&S EX-IQ-BOX. First, the R&S EX-IQ-BOX emulates the baseband module, and in the other example, it acts as the RF part.

  • Page 64: Application Examples

    R&S specific I/Q format to the R&S EX-IQ-BOX. The R&S EX-IQ-BOX converts the R&S I/Q format into the CPRI protocol. The CPRI link transmits the I/Q baseband signal and control & management information from the R&S EX-IQ-BOX to the DUT, in this case the CPRI RE Device.
  • Page 65 The R&S signal generator feeds an UE uplink signal (e.g. an LTE uplink) in the R&S specific I/Q format to the R&S EX-IQ-BOX. The R&S EX-IQ-BOX converts the R&S I/Q format into the CPRI protocol. The CPRI link transmits the I/Q baseband signal and control & management information from the R&S EX-IQ-BOX to the DUT, in this case the CPRI REC device.

  • Page 66: In-Circuit Emulation For Wireless Designs

    This test setup shows an R&S CMW500, equipped for protocol testing which creates an I/Q signal. The signal is then converted by an R&S EX-IQ-BOX and fed to the emulator. A second R&S EX-IQ-BOX converts the incoming signal from the emulator and feeds it into the baseband section of the R&S potocol tester.
  • Page 67 ® Application Examples R&S EX-IQ-BOX In-Circuit Emulation for Wireless Designs ating manual of the protocol tester, and the to http://www.rohde-schwarz.com/appnote/ 1CM75 on the internet. User Manual 1409.5570.32 ─ 05...

  • Page 68: S Ex-Iq-Box Configuration

    The configuration software R&S DigIConf enables you to configure and control the R&S EX-IQ-BOX via PC. Some R&S instruments, as e.g. the R&S CMW500, also provide installing R&S DigIConf on the instrument directly. Check in the operating manual to see if your R&S instrument supports this mode of operation.
  • Page 69 R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software concerning the connection of the R&S EX-IQ-BOX to R&S instruments and the respective configuration dialogs. 6.1.1 Graphical User Interface - Overview After starting the R&S DigIConf software the main application window opens.

  • Page 70: R&S Ex-Iq-Box Configuration

    5c = DUT block 5d = graphical signal display 6 = info line 7 = task bar The following description mainly refers to R&S DigIConf and to the R&S EX-IQ-BOX. For ® windows functionalities refer to Microsoft Windows help system.
  • Page 71 The block diagram in the figure below represents a configuration with one R&S EX-IQ- BOX and one R&S instrument, i.e. in this case an R&S AMU200A. The R&S EX-IQ-BOX transfers test signals to a DUT or from a DUT to an R&S instrument: ●...
  • Page 72 R&S DigIConf mainly distinguishes between the settings dialogs for User Defined or standardized protocol settings and configuration dialogs, which comprise for example general settings of the R&S EX-IQ-BOX, options, connected instruments, default settings or setup tests. ●...
  • Page 73 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software 6.1.2 Menus 6.1.2.1 File Menu The File menu contains all functions that belong to file management, e.g. creating, saving or recalling settings data. Operation of file management is very similar to operation of Windows user interfaces.
  • Page 74 The Tools menu contains functions for R&S EX-IQ-BOX devices and protection. Tools > EX-IQ-BOX Device Manager Displays information about the connected R&S EX-IQ-BOX devices, e.g. serial or part number and a list of installed options. Fields and parameters of this dialog are described in ​...
  • Page 75 R&S DigIConf Configuration Software 6.1.2.3 Help Menu The Help menu provides access to the complete description of the R&S EX-IQ-BOX, an index for search and informs about software version and support. Help > Contents... Opens the online help start page.
  • Page 76 R&S DigIConf Configuration Software Volatile messages Brief messages report automatic settings in the R&S EX-IQ-BOX or on illegal entries that are not accepted by the instrument. They are displayed in the info line on a yellow back- ground, always on top of status information or permanent messages. Volatile messages do not normally demand user actions and disappear automatically after a brief period of time.
  • Page 77 The DUT is displayed as passive block, just representing the device under test. 6.1.4.1 R&S EX-IQ-BOX An R&S EX-IQ-BOX function block provides access to the settings of the corresponding standard transmission protocol, determined by the connected breakout board. R&S DigIConf may handle up to four connected R&S EX-IQ-BOXes, each displayed in a separate block.
  • Page 78 R&S EX-IQ-BOX R&S DigIConf Configuration Software The block label (1) represents the R&S EX-IQ-BOX, including the serial number of the connected instrument. The label of the configure button (2) shows the used interface protocol, that means either "User Defined" or "CPRI". To access the settings dialogs, click the button.
  • Page 79 The contents panel provides additional tabs with an index and a search function. Links are highlighted in blue, and can be selected and called up using the mouse. Fig. 6-3: R&S EX-IQ-BOX Configuration > help window 6.1.5.1 Navigation panel Navigation softkeys on top of the help window provide browsing through the help pages.
  • Page 80 6.1.6.1 EX-IQ-BOX Device Manager This dialog displays instrumet specific information on a connected R&S EX-IQ-BOX and the installed options. Installing new options is done in this dialog. The enhanced functionalities like standardized protocols or waveform memories are supported only by the R&S EX-IQ-BOX variant 1409.5505K04. Hence, the "EX-IQ-BOX Device Manager"...
  • Page 81 244 [ :​ S OURce<hw>]:​ E BOX:​ D EVice:​ S ELect​ Hardware Info The hardware panel is related to the selectecd R&S EX-IQ-BOX and indicates various information, like part number, serial number, firmware version etc. and the installed options.
  • Page 82 [ :​ S OURce<hw>]:​ E BOX:​ D EVice:​ B OB:​ R EVision?​ Options Displays the installed hardware and software options of the R&S EX-IQ-BOX. In addition, you can enable options purchased at a later stage. Note: An option is ready to operate after it is enabled by means of a license key code, supplied with the option.
  • Page 83 This key is required during the unregistration process. Note: If you want o register an option at another R&S EX-IQ-BOX, you must request a new license key code for the instrument, see ​ D evice Status Information ←...
  • Page 84 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software Update Executes an update of the firmware. R&S DigIConf starts the update and reports when it is completed. 6.1.6.2 Protection Protection "Protection" enables activating or deactivating several protective levels to provide special functions like self test or specific tests for service purposes.
  • Page 85 Remote command: n.a. 6.1.6.4 Instrument on the R&S EX-IQ-BOX This dialog covers information on the connected R&S instrument. In addition, R&S Dig- IConf provides the remote control of the instrument. The instruments block and the configuration dialog are available, if an R&S instrument is connected.
  • Page 86 Transient Recorder Two independent transient recorders provide monitoring the I/Q data flow through the R&S EX-IQ-BOX. You can record input signals, output signals and signals of the wave- form memory. The graphical representation allows to quickly view and check the current signal characteristics.
  • Page 87 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software ► To access an "Transient Recorder" settings dialog, click the smart graphic in the block diagram. Fig. 6-4: R&S DigIConf transient recorder This dialog contains all parameters required for recording, as: ●...
  • Page 88 Data Source Selects the signal source of the I/Q data for recording. Either signals directly fed in at the digital interfaces of the R&S EX-IQ-BOX, or signals generated from the waveform output memory can be recorded. "DIG IQ IN 1"...
  • Page 89 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software Acquisition Length Select the number of samples to be captured by the transient recorder. The sample memory sizes 512, 1024 and 2048 MSamples are available. Decimation Factor Selects a certain sample to be recorded, i.e. only the n sample is recorded.
  • Page 90 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software "High Level" Start recording as long as the reference signal level is high. High level corresponds to logical 1. Trigger Position The trigger position determines the position of the trigger event on the time-scale. The value is set in samples while a positive number <n>...
  • Page 91 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software Fig. 6-5: R&S DigIConf signal graphics > I/Q diagram Vector Diagram The Q component is displayed over the I component in the vector diagram. Each point is determined by a vector. The amplitudes of the signal components scaled to the peak envelope power (PEP) are plotted on the X and Y axis (minimum scaled amplitude = -1;...
  • Page 92 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software Fig. 6-6: R&S DigIConf signal graphics > Vector diagram CCDF Display The Complementary Cumulative Distribution Function shows the probability with which the output will exceed the average power. The level over the average power is plotted from 0 to 20 dB on the X axis;...
  • Page 93 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX R&S DigIConf Configuration Software Fig. 6-7: R&S DigIConf signal graphics > CCDF display Power Spectrum (FFT) With the spectrum display, the signal spectrum is calculated from the I/Q signal by means of Fourier Transform (FFT). The power density over frequency is displayed. The power density is plotted on the Y axis, and frequency is plotted symmetrically on the X axis (- sampling rate/2 to +sampling rate/2).
  • Page 94 Connection For controlling the R&S EX-IQ-BOX with R&S DigIConf, the R&S EX-IQ-BOX must be connected to the PC via USB. The connection of the R&S EX-IQ-BOX to the PC and the instrument is described in detail in ​ c hapter 4.5, "Connecting the R&S EX-IQ-BOX",...
  • Page 95 EX-IQ-BOX R&S DigIConf Configuration Software ► Select a serial number from the list to assign the R&S EX-IQ-BOX to the block. A device can be assigned only once, i.e. it is then grayed out in the lists of the other blocks.
  • Page 96 Additionally, the R&S EX-IQ-BOX controlled by R&S DigIConf, i.e. it must be connected to the controlling PC via USB. The connection of the R&S EX-IQ-BOX to the PC and the instrument is described in detail in ​ c hapter 4.5, "Connecting the R&S EX-IQ-BOX", on page 42.
  • Page 97 R&S EX-IQ-BOX information in the "EXBoxStatus" field. 6.1.9 Automation of R&S DigIConf In addition to the usual control of the R&S EX-IQ-BOX using the R&S DigIConf interface, the entire system can be remotely controlled. It is particularly useful for repeating measurement sequences reproducible, e.g. to ach- ieve higher configuration speeds or to perform complex test setups.

  • Page 98: Configuration Via R&S Instruments

    8, "Remote Control Basics", on page 213. 6.2 Configuration via R&S Instruments This chapter describes how you configure the R&S EX-IQ-BOX directly in a R&S instru- ment. It explains connection, indication and data transmission separately for each instru- ment family. ●...
  • Page 99 6.2.1 R&S Signal Generators The information in this section applies to R&S SMx and R&S AMU Signal Generators. The R&S EX-IQ-BOX 1409.5502.02 can be controlled directly by an R&S signal generator only in a "User Defined" application. Test cases of standardized protocols require R&S DigIConf.
  • Page 100 ​ " Logic Type" on page 99 . 6.2.1.1 Connection ► Establish the USB and LVDS connection between the R&S EX-IQ-BOX and the R&S signal generator, as described in ​ c hapter 4.5, "Connecting the R&S EX-IQ-BOX", on page 42.
  • Page 101 ● "Symbol in the block diagram" The generator shows a symbol labeled with "EX-IQ-BOX" in the block diagram. Fig. 6-16: Indication of an R&S EX-IQ-BOX in a generator block diagram at the example of the R&S AMU200A ● "Baseband Input Settings" or "Digital I/Q Output Settings" dialogs –...
  • Page 102 R&S EX-IQ-BOX Configuration via R&S Instruments Fig. 6-17: R&S EX-IQ-BOX button in a signal generators digital input / output settings dialogs – The ID (serial number) of the connected R&S EX-IQ-BOX is shown in the "Con- nected Device" information field.
  • Page 103 R&S EX-IQ-BOX Configuration via R&S Instruments Fig. 6-20: R&S EX-IQ-BOX button in a signal generators digital input / output settings dialogs 2. Click the "EX-I/Q-Box Settings..." button to open the main settings dialog of the R&S EX-IQ-BOX. Fig. 6-21: Main settings dialog of the R&S EX-IQ-BOX in R&S signal generators The main configuration dialog provides "Logic Type"...
  • Page 104 An R&S signal analyzer must be equipped with the digital baseband interface option R&S FSQ-B17. The R&S EX-IQ-BOX is then connected to this digital interface. The R&S EX-IQ-BOX is connected either only to the R&S signal analyzer, or additionally to a PC.
  • Page 105 R&S FMU36 display measurement results in diagram and several hotkeys located at the right and lower edges of the display. If an R&S EX-IQ-BOX is connected, provided, the appropriate option R&S FSQ-B17 is installed, the R&S signal analyzer recognizes this device automatically.
  • Page 106 EX-IQ-BOX Configuration via R&S Instruments Fig. 6-23: Display of the R&S FSQ Signal Analyzer with R&S FSQ-B17 option Once the R&S EX-IQ-BOX is connected via USB, the signal analyzer detects it, estab- lishes the connection and displays the following: ●...
  • Page 107 Refer also to the manual of your R&S signal analyzer for description. 6.2.2.3 Dialogs The R&S EX-IQ-BOX settings are accessed by pressing the "EXIQ" hotkey. The configuration dialog "ExIQ-Box Settings" opens. The "ExIQ-Box Settings" dialog is valid for baseband input and output.
  • Page 108 Exit Press the "EXIT" to leave the configuration dialog. Store All parameters of the R&S EX-IQ-BOX are stored and available again after switching the analyzer off and on. It is also possible to save the settings with the "Save/Recall" Manager.
  • Page 109 ® R&S EX-IQ-BOX Configuration R&S EX-IQ-BOX Configuration via R&S Instruments The setup of the new data may take up to 15 seconds, especially if you have changed the logic type. During the configuration the analyzer indicates in the "Setup State" field that the configuration is in progress.

  • Page 110: Protocol Settings

    With the exception of a few specific test setups, the parameters of the R&S EX-IQ-BOX are set by a PC via the configuration software R&S DigIConf.
  • Page 111 Fig. 7-1: Test scenario of a User Defined application 7.1.1 Parameter Overview Beside the main controls, like switching on the R&S EX-IQ-BOX output, transmission direction and save/recall of settings, the interface is controlled by parameters, which are grouped by function:...
  • Page 112 R&S EX-IQ-BOX and the DUT. The R&S EX-IQ-BOX sends a known test signal to the DUT, or, vice versa, the R&S EX-IQ-BOX receives a signal from the DUT. This way, the I/Q interface to or from the DUT can be verified by performing bit error rate tests.
  • Page 113 Digital, electrical signals base on various logical technologies, such as TTL or CMOS with several voltage levels. Therefore, the signal settings in the R&S EX-IQ-BOX must cor- respond to the signal, in both, the logical standard as well as the voltage value.
  • Page 114 DUT. Note: SCPI notation varies The SCPI notation varies, when you remotely control the R&S EX-IQ-BOX on R&S EX- IQ-BOX or R&S signal generators and R&S signal analyzers. Follow the command link below for description of the command and its syntax in detail.
  • Page 115 7.1.3 Protocol The "Protocol" tab contains the interface parameters for signal transmission from the DUT to the R&S EX-IQ-BOX and vice versa. To the overview R&S DigIConf also shows the "Clock" and "Data" settings and the signal flow in a diagram.
  • Page 116 Fig. 7-4: User defined > Protocol dialog Format Sets the transmission protocol of the R&S EX-IQ-BOX for receiving or sending a base- band signal from or to an external device (DUT) via the user interface of the R&S EX-IQ- BOX.
  • Page 117 ​ on page 264 [ :​ S OURce<hw>]:​ E BOX:​ U SER:​ F ORMat​ Data Rate Sets the data rate mode of the R&S EX-IQ-BOX for receiving/sending a baseband signal from/to an external device (DUT). User Manual 1409.5570.32 ─ 05...
  • Page 118 EX-IQ-BOX User Defined "SDR" Tranmsits the baseband signal in single data rate mode from the DUT to the R&S EX-IQ-BOX or vice versa. The rising edge of the clock signal triggers data transmission. Example: ● Parallel signal output in single data rate Fig.
  • Page 119 Activates interleaving and selects the interleaving mode. Depending on the interleaving settings, the baseband signal is either sent simultaneously or in I/Q or Q/I order from the external device (DUT) to the R&S EX-IQ-BOX or vice versa. User Manual 1409.5570.32 ─ 05...
  • Page 120 ® Protocol Settings R&S EX-IQ-BOX User Defined "Not Inter- Transmits the baseband signal on the I and Q data lines as indicated leaved" in the graph below. Example: Fig. 7-11: User defined > Signal flow: I/Q OUT serial, not interleaved...
  • Page 121 ® Protocol Settings R&S EX-IQ-BOX User Defined "I/Q Inter- Transmits the baseband signal on the I data line starting with I data. leaved" Example: ● Serial signal output in single data rate. Fig. 7-12: User defined > Signal flow: I/Q OUT serial, single data rate, I/Q inter-...
  • Page 122 ® Protocol Settings R&S EX-IQ-BOX User Defined Fig. 7-15: User defined > Signal flow: I/Q OUT parallel, double data rate, I/Q interleaved Direction = Transmitter Format = Parallel Data Rate = DDR Interleaving = I/Q interleaved The rising edge of the clock signal triggers the I data, the falling edge the Q data.
  • Page 123 ® Protocol Settings R&S EX-IQ-BOX User Defined Clock Rate / Sample Rate Displays the clock parameters "Clock Rate" and the calculated "Sample Rate". ​ " Clock Rate" on page 115 explains these parameters in detail. 7.1.4 Data The "Data" tab contains the parameters for data transmission. In parallel data transmis- sion, R&S DigIConf shows the bits alignment at the user interface graphically, corre-...
  • Page 124 Sets the word size resolution of a sample. If the word size is set to a value n, the I word and the Q word use these n bits. The R&S EX-IQ-BOX supports word sizes from 4 to 18 bits.
  • Page 125 ® Protocol Settings R&S EX-IQ-BOX User Defined "LSB" The LSB (Last Significant Bit) is mapped firmly to the same data line and the data line of the MSB varies in dependency of the word size. Example: ● Fig. 7-19: User defined > Word alignment LSB: I/Q parallel transmission, 5 bit,...
  • Page 126 ® Protocol Settings R&S EX-IQ-BOX User Defined "MSB" Transmits the MSB (Most Significant Bit) first. Parallel transmission The MSB is transmitted on the first used data line, depending on the word size and alignment. Note: Graphics in the dialog of the generators and in R&S DigIConf shows the presently set bit sequence.
  • Page 127 ® Protocol Settings R&S EX-IQ-BOX User Defined "LSB" Transmits the LSB (Last Significant Bit) first. Parallel transmission: The LSB is transmitted on the first data line. Example: ● Fig. 7-24: User defined > Bit order LSB: I/Q parallel transmission, alignment...
  • Page 128 ® Protocol Settings R&S EX-IQ-BOX User Defined 2´s Complement Binary Offset "2´s Comple- The value of the transmitted data is formatted in two´s-complement. ment" The most significant bit has a value of -2 , the bits of lesser signifi- cance follow as: ...
  • Page 129 ® Protocol Settings R&S EX-IQ-BOX User Defined "Positive" Example: Sets the strobe polarity to high level. Fig. 7-27: User defined > Strobe polarity positive: I/Q OUT serial word size bit order = LSB numeric format = 2's complement strobe polarity = positive "Negative"...
  • Page 130 Clock Rate Sets the clock rate (frequency) for signal transmission between the R&S EX-IQ-BOX and the external device (DUT). Depending on the logic type and the clock source the clock rate range varies, as shown below.

  • Page 131: Clock Source

    ● Signal "input" synchronized by the "internal" reference clock signal. The R&S EX-IQ-BOX receives the clock signal from the R&S instrument and forwards it to the DUT in order to synchronize the incoming data from the DUT. User Manual 1409.5570.32 ─ 05...
  • Page 132 ● Signal "output" synchronized by an "external" reference clock signal. The R&S EX-IQ-BOX receives the I/Q data from the R&S instrument and forwards it to the DUT, synchronized by the reference frequency of the DUT. Fig. 7-34: User defined > I/Q OUT synchronized by external clock clock source = External (User Interface) ●...
  • Page 133 In the remote control you determine the clock phase value for the R&S signal analyzers with Pxx. In contrast, just enter the value xx without P when using R&S EX-IQ-BOX or an R&S signal generator. xx represents the value in degree.
  • Page 134 Outputs the signal immediately. "Sync" Synchronizes signal output with an incoming trigger signal, i.e. the DUT triggers data output to the R&S EX-IQ-BOX. The trigger signal is applied at the SYNC IN pin of the user interface. Remote command: ​...
  • Page 135 The R&S EX-IQ-BOX provides both, a test signal generator and a measurement receiver that supports BER measurement. The test dialog changes depending on the transmissioni path. If the R&S EX-IQ-BOX is working as transmitter, the test dialog shows the control elements for the test signal gen- erator.
  • Page 136 281 [ :​ S OURce<hw>]:​ E BOX:​ U SER:​ T EST:​ T X:​ S TATe​ Test Signal Selects a test signal of the test generator. The R&S EX-IQ-BOX provides three different signals for testing. User Manual 1409.5570.32 ─ 05...
  • Page 137 The output of this sequence complies to the "Protocol", "Data" and "Clock" settings of the R&S EX-IQ-BOX. E.g. if the word size of the I / Q sample is 7 bits, the R&S EX-IQ-BOX sends the PRBS 16 sequence in 7-bit parts.
  • Page 138 Rx Test Activates the test receiver. The R&S EX-IQ-BOX expects a test signal at the user interface. First, the test receiver synchronizes to the last received data word, and then generates a test sequence and compares each generated sample with the corresponding received sample.
  • Page 139 ® Protocol Settings R&S EX-IQ-BOX User Defined Rx Received Bits Indicates the number of received bits. This functions consecutively counts the number of received bits, compares them with the sent data and determines the error rate. Remote command: ​ on page 279 [ :​...
  • Page 140 ® Protocol Settings R&S EX-IQ-BOX User Defined C&M Data Defines the number of the Control & Management bit word as defined in the C&M Size parameter. This setting can be specified in transmitter mode, in receiver mode it is read- only.

  • Page 141: Cpri

    7.2.13, "ARB", on page 205 in the CPRI configuration dialog. If the R&S EX-IQ-BOX is equipped with a special option for waveform memory, it supports playback of waveform signals. I.e. the R&S EX-IQ-BOX can work as a signal source without any generator connected.
  • Page 142 Options", on page 44. The enclosed CPRI breakout board is directly connected to the R&S EX-IQ-BOX at the Z-Dok user interface. The connection to the device under test (DUT) is done from the breakout board, which supports small form factor pluggable (SFP) modules for the optical CPRI link.
  • Page 143 Uplink Transmitter Fig. 7-45: CPRI RE test scenario, with the R&S EX-IQ-BOX emulating the baseband module REC The test setup comprises the downlink and the uplink. Both directions can be tested either simultaneously, i.e. full duplex, or only uplink or downlink individually.
  • Page 144 (Radio Equipment Control) Baseband Uplink Fig. 7-46: CPRI REC test scenario, with the R&S EX-IQ-BOX emulating the RF module RE Also in this test setup, DL and UL either can be tested simultaneously, i.e. full duplex, or Uplink/Downlink individually. 7.2.2 CPRI Transmission Protocol - Overview In the digital link, the I/Q baseband data and control information are transmitted together in one link.
  • Page 145 ® Protocol Settings R&S EX-IQ-BOX CPRI User plane information in the form of in-phase and quadrature modulation data (digital baseband signals). ● Vendor Specific Information This information flow is reserved for vendor specific information. ● C&M Data Control and management information exchanged between the control and manage- ment entities within the REC and the RE.
  • Page 146 ® Protocol Settings R&S EX-IQ-BOX CPRI On the highest hierachy level,a Node B Frame (or CPRI 10ms Frame) consists of 150 Hyperframes. Dependig on the CPRI line rate, the wordlength of the basic frames varies: User Manual 1409.5570.32 ─ 05...
  • Page 147 ® Protocol Settings R&S EX-IQ-BOX CPRI User Manual 1409.5570.32 ─ 05...
  • Page 148 ® Protocol Settings R&S EX-IQ-BOX CPRI 7.2.2.1 Description of the CPRI Control Data The 256 control words of a hyperframe are organized into 64 subchannels of 4 control words each. One subchannel contains 4 control words per hyperframe. The index Ns of the subchannel ranges from 0 to 63. The index Xs of a control word within a subchannel has four possible values, namely 0, 1, 2 and 3.
  • Page 149 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-49: CPRI subchannels The graph shows that the subchannels can carry various data streams, as explained in the following sections. User Manual 1409.5570.32 ─ 05...
  • Page 150 ® Protocol Settings R&S EX-IQ-BOX CPRI Sync. & Timing The data transmitted inside subchannel 0 is used for synchronization. The first byte marks the start of a hyperframe while bytes 2, 3 and 4 indicate the actual Node B Frame number and Hyperframe Number.
  • Page 151 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-51: CPRI L1 inband protocol Slow C&M Link One option of transmitting C&M plane data is using subchannel 1 which bytes are reserved for the transmission of management data via HDLC. Depending on the CPRI line rate the capacity of the slow C&M link varies.
  • Page 152 ® Protocol Settings R&S EX-IQ-BOX CPRI The following table defines the transmission speed of a CPRI connection for control and I/Q data: Table 7-3: Bit Rates Line Rate R Netto Rate R I/Q Rate R C&M Rate R Slow CM (max)
  • Page 153 7.2.4 Control Elements and Connectors This section explains the control elements and connectors of the breakout board for CPRI applications, i.e. the R&S EX-IQ-BOX option EXBOX-B85. With the help of the following schematic view, the control elements and the connectors are briefly described, including references to the chapters with detailed information.
  • Page 154 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-52: Schematic view of the CPRI breakout board, option R&S EXBOX-B85 (1409.7208.02) 1 = GENERAL PURPOSE I/O - Marker signals input / output 2 = Status LEDs 3 = User Interface 4 = SFP1/SFP2 - Modules 5 = RX/TX P/N - High Speed Serial Connectors 6 = RS-232-C - Slow C&M Interface...
  • Page 155 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-53: Schematic view of the CPRI breakout board, option R&S EXBOX-B85 (1409.7208.04) 1 = GENERAL PURPOSE I/O - Marker signals input / output 2 = Status LEDs 3 = User Interface 4 = SFP - Module 5 = RX/TX P/N - High Speed Serial Connectors 6 = RS-232-C - Slow C&M Interface...
  • Page 156 User Interface TYCO Z-Dok adapter board connector at the rear of the CPRI breakout board. At this interface, the breakout board is connected directly to the R&S EX-IQ-BOX by a 168 pin connector, type TYCO Z-Dok (56 differential pairs). see ​...
  • Page 157 Note: For transmission of control signals by means of R&S DigIConf, use the USB con- nection between the control PC and the R&S EX-IQ-BOX. Set the corresponding data source in the Slow C&M (HDLC) panel of R&S DigIConf according to your setup.
  • Page 158 ® Protocol Settings R&S EX-IQ-BOX CPRI Select the bit rate Slow C&M (HDLC) panel of R&S DigIConf. See also ​ c hapter 7.2.10.1, "Slow C&M (HDLC)", on page 193. ETHERNET - Fast C&M Interface Ethernet IEEE 802.3u interface for fast transmission of control and management data between the controlling PC and the CPRI breakout board.
  • Page 159 The R&S EX-IQ-BOX is power supplied with an external power supply unit and a separate power cable. 2. Connect the CPRI breakout board to the R&S EX-IQ-BOX, i.e. at the Z-DOK user interface connector. The R&S EX-IQ-BOX powers the CPRI breakout board via the user interface.
  • Page 160 REF OUT with REF IN of the R&S EX-IQ-BOX. 5. Connect the USB cable plug A to the PC, and plug B to the R&S EX-IQ-BOX (USB 6. Plug the SFP module into the SFP cage on the breakout board 7.
  • Page 161 ® Protocol Settings R&S EX-IQ-BOX CPRI 4. Select the appropriate output port in the "Hardware" tab, and set the "CPRI Line Bit Rate", the SFP connection supports. 5. Switch to the "Downlink (Rx)" tab, and select the 3GPP FDD signal.
  • Page 162 EX-IQ-BOX Signal Generator 3.84 MHz · 2 = 7.68 MHz Now the R&S EX-IQ-BOX is configured to communicate with the RRH via the CPRI transmission protocol in downlink mode. 8. Switch on "Signal State" and "State". 9. Press "Apply Setup" to assign the settings.
  • Page 163 ® Protocol Settings R&S EX-IQ-BOX CPRI 2. To capture the digital I/Q signal, set: a) "Data Source": Dig IQ IN 1 b) "Display Type": Power Spectrum c) "Acquisition Length": 1024 The Recording Memory records the signal data and displays the 3GPP FDD signal in the graphics window.
  • Page 164 ® Protocol Settings R&S EX-IQ-BOX CPRI Measuring the RF Output Signal of the RRH The RRH sends the RF signal to the R&S spectrum analyzer. The analyzer displays power spectrum of the 3GPP FDD signal. Now you can perform measurements that you need, such as, for example, ACP (Adjacent Channel Power) measurements and EVM (Error Vector Magnitude) evaluation, or addi- tional measurements provided by the R&S signal analyzer.
  • Page 165 ® Protocol Settings R&S EX-IQ-BOX CPRI Example: Switch to 3GPP FDD BS demodulation. The analyzer displays the demodulation result of the incoming signal 7.2.6 Main Configuration Dialog Besides the settings that are relevant for CPRI protocol settings, the CPRI configuration dialog comprises the common main controls as "State"...
  • Page 166 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-56: CPRI main configuration dialog (1409.7208.04) Fig. 7-57: CPRI main configuration dialog (1409.7208.02) Grouped by functionality the configuration dialog also comprises tabs for Hardware set- tings, for Downlink and Uplink configuration, for Control & Management parameters and Test &...
  • Page 167 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ S TATe​ Mode Select a CPRI test scenario. In RE test mode, the R&S EX-IQ-BOX is working as a base- band module (REC) for testing the RE. Vice versa, in REC test mode, the R&S EX-IQ- BOX simulates the RF module (RE) for testing the opposite module REC.
  • Page 168 ® Protocol Settings R&S EX-IQ-BOX CPRI CPRI settings are stored as files with the predefined file extension *.cpri. The file name and the directory user-selectable. "Recall CPRI Settings" Open the file select window for loading a previously saved CPRI con- figuration.
  • Page 169 ​ on page 300 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ F BVersion?​ R&S EX-IQ-BOX Board Revision Indicates the revision number of the R&S EX-IQ-BOX´s internal board. Remote command: ​ on page 300 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ E BRevision?​...
  • Page 170 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ R CLock:​ S OURce​ Clock Synthesis Locked Indicates red, if the main PLL of the R&S EX-IQ-BOX is unlocked. This state is funda- mental and must be locked in every operating mode of the R&S EX-IQ-BOX.
  • Page 171 ® Protocol Settings R&S EX-IQ-BOX CPRI A second synthesizer generates a 10 MHz reference clock selectable at one of the GPIO interface connectors. The status LED turns blue, if the clock output is available. Remote command: ​ on page 308 [ :​...
  • Page 172 ® Protocol Settings R&S EX-IQ-BOX CPRI Sets (REC Test) or displays (RE Test) the frame timing difference between the output signal at R1 and the input signal at R4. Remote command: ​ on page 311 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ T 14T​...
  • Page 173 ® Protocol Settings R&S EX-IQ-BOX CPRI Protocol Version Selects the CPRI protocl version. For the higher line rates the CPRI standard introduces a scrambling functionality to increase the signals stability. The scrambling functionality is enabled if protocol version 2.0 is selected and a non zero seed is defined.
  • Page 174 ® Protocol Settings R&S EX-IQ-BOX CPRI Differential Output Swing Determine the differential output voltage swing of the CML (Current Mode Logic) trans- mitter. Note: Difference between the R&S EXBOX-B85 breakout board versions ● 1409.7208.02 supports variable differential output swing. ●...
  • Page 175 Link standards. CPRI mainly transfers the signal via the optical connection. Use the electrical connection at the SMA connectors for debugging routines. Basically the R&S EX-IQ-BOX receives a CPRI signal via one of the optical interfaces SFP1, or SFP2. SMA is used, primarily, to the diagnosis.
  • Page 176 Note that only one interface can be active at the same time. If you are working with a CPRI breakout board 1409.7208.02, the R&S EX-IQ-BOX can receive a signal via one of the optical interfaces SFP1 or SFP2. The EXBOX-B85 break- out board 1409.7208.04, however, has only one interface.
  • Page 177 ® Protocol Settings R&S EX-IQ-BOX CPRI The BNC connectors for general purpose signals are located on top of the breakout board. Direction GPIO 1-3 Determine the transmission direction at the connected GPIO interfaces. You can indi- vidually activate each of the three interfaces separately. Find additional information on the connectors in ​...
  • Page 178 ® Protocol Settings R&S EX-IQ-BOX CPRI "10 MHz Reference Clock" GPIO output Use the CPRI signal processing clock, for example 61.44 MHz at 2x line rate. This clock is used for timing measurements like response time, latency, etc.. "External Trigger 1/2/3"...
  • Page 179 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-63: CPRI L1 Analysis dialog 7.2.8.1 L1 Inband Protocol The L1 inband protocol is transmitted in subchannel 2 of a hyperframe protocol set. It uses the control words with index 2, 66, 130 and 194.
  • Page 180 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-64: CPRI L1 inband protocol Protocol Version Indicates the CPRI protocol version. According to the protocol version, the link supports data scrambling or descrambling, as shown below. Note: It is strongly recommended that you use scrambling at higher line bit rates.
  • Page 181 ® Protocol Settings R&S EX-IQ-BOX CPRI Line rate [Mbit/s] Scrambling support Highest available protocol ver- sion number 8x (4915.2) recommended 1: scrambling not supported 2: scrambling supported 10x (6144.0) recommended 1: scrambling not supported 2: scrambling supported 16x(9830.4) recommended 1: scrambling not supported...
  • Page 182 ® Protocol Settings R&S EX-IQ-BOX CPRI "Reset" Indicates that the DUT is in reset state. In the CPRI RE test mode, the LED shows that a reset was performed, and in CPRI REC test mode, the LED indicates a reset request.
  • Page 183 ​ on page 299 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ C ORE?​ CPRI Mode Displays the role of the R&S EX-IQ-BOX, that is either master (CPRI RE test) or slave (CPRI REC test). Remote command: ​...
  • Page 184 7.2.8.3 Events In CPRI RE test mode the R&S EX-IQ-BOX acts as a CPRI REC (master). As defined in the CPRI standard specification, the CPRI REC provides the generation of Layer 1 mes- sages. In this section, you can simulate some events. Use this function to see how the DUT responds to these events.
  • Page 185 EX-IQ-BOX CPRI RE Uplink Fig. 7-65: CPRI RE test - schematic representation ● In CPRI REC test mode, the R&S EX-IQ-BOX works in the DL as a receiver (Rx) and in the UL as a transmitter (Tx). Downlink EXBOX EX-IQ-BOX...
  • Page 186 ® Protocol Settings R&S EX-IQ-BOX CPRI The settings dialogs for the transmitter (Tx) and the receiver (Rx) are identical in both CPRI test modes (RE / REC). Accordingly, the DL (downlink) dialog of CPRI RE and the UL (uplink) of CPRI REC are similar, and vice versa, the UL dialog of the CPRI RE test is identical to the DL dialog of CPRI REC.
  • Page 187 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-68: CPRI uplink dialog 7.2.9.1 Signal Definition Section "Signal Definition" contains all information which is important to define the I/Q signals to be transmitted, or received via the CPRI link. On the left the table lists all defined signals, and on the right of it input and display fields show the respective settings of the selected signal.
  • Page 188 Select the signal source for signal transmission to the DUT. The signal comes either from an R&S instrument via the digital interface of the R&S EX-IQ-BOX, or the signal is gen- erated internally or by means of the waveform memory in the R&S EX-IQ-BOX.
  • Page 189 ® Protocol Settings R&S EX-IQ-BOX CPRI However, when the R&S EX-IQ-BOX receives a signal, "Signal Output" is available in the corresponding tabs instead of "Physical Source". See also ​ " Signal Output" on page 174. "Sync Pattern" Use the internal pattern generator as signal source.
  • Page 190 "Recorder" Selects the built-in I/Q recorder as the destination for the received sig- nal. This feature requires, that the R&S EX-IQ-BOX is equipped with the appropriate recording memory option. For information on the available options refer to ​ c hapter 3.2.2.3, "Waveform Memory, Multi Waveform Playback and Recording Memory ", on page 23.
  • Page 191 R&S DigIConf loads waveforms calculated by simulation software such as Matlab or R&S WinIQSIM2 into the memory of the R&S EX-IQ-BOX. With the aid of the CPRI breakout board, the R&S EX-IQ-BOX then embeds the signal into the CPRI protocol.
  • Page 192 Note: Oversampling refers to external signals, like digital standards or to user defined signals. If the R&S EX-IQ-BOX is working with an internal signal, that is generated by a pattern or a waveform file, the parameter is already considered and therefore not relevant.
  • Page 193 ® Protocol Settings R&S EX-IQ-BOX CPRI "2's Complement" Format the signal in two's-complement. The most significant bit has a value of -2 –1 , the bits of lesser significance follow as: –2 ...+2 "Binary Offset" Format the data in binary offset.
  • Page 194 ® Protocol Settings R&S EX-IQ-BOX CPRI "2's Complement 9E2" Format the signal in two's-complement variant 9E2. 9E2 encoding format is used in mobile base stations to extend the dynamic range of I and Q, while reducing the needed amount of bits.
  • Page 195 Note: Crest factor applies to external signals, like digital standards or to user defined signals. If the R&S EX-IQ-BOX is working with an internal signal, that is generated by a pattern or a waveform file, the parameter is already known must not be entered manually.
  • Page 196 ® Protocol Settings R&S EX-IQ-BOX CPRI Depending on the sample rate, a signal needs one or more AxCs to carry its I/Q data. If possible, R&S DigIConf automatically assigns the number of needed AxCs to the signal. Note: The maximum number of AxCs for all signals is 24.
  • Page 197 ® Protocol Settings R&S EX-IQ-BOX CPRI Number of Groups Determine the number of groups for a signal. The grouping enables to achieve arbitrary sample rates that are not necessarily integer multiples of the CPRI basic frame rate. Each group defines an AxC configuration for a certain time (means repetitions). Thus you can change the AxC assignment over time by using more than one group with different set- tings.
  • Page 198 ® Protocol Settings R&S EX-IQ-BOX CPRI fs [MHz] *K- N 11.2 22.4 Table 7-8: EUTRA/LTE: recommended number N of stuffing samples for N =1, N fs [MHz] *K- N 1.92 3.84 7.68 15.36 23.04 30.72 1.92 Table 7-9: GSM/EDGE: recommended number N...
  • Page 199 ® Protocol Settings R&S EX-IQ-BOX CPRI "G #0 ... G #3" Displays a column for each determined group. The maximum number of groups is 4. In remote control, the group is addressed in the repetition command, see below. "Repetition" Enter the number of repetitions, that means how many CPRI basic frames follow the current group setting.
  • Page 200 ® Protocol Settings R&S EX-IQ-BOX CPRI "Pattern" Shows the binary data pattern of an AxC in hexadecimal format. By default, all data pattern is set to zero. Click a field or press the ENTER key to insert the required pattern. You can basically set up to 36 bits, but the currently possible number depends on the signal length that is specified in ​...
  • Page 201 ® Protocol Settings R&S EX-IQ-BOX CPRI 7.2.9.2 AxC Container Definition The AxC Container Definition section graphically displays the CPRI basic frame and indicates the I/Q and AxC data rates. The table in the lower part contains the used AxCs with their assigned signals, and basic signal parameters such as word address, bit address and word size.
  • Page 202 ® Protocol Settings R&S EX-IQ-BOX CPRI Line bit rate [Mbit/s] Word length [bits] [Bytes] 8x(4915.2) 10x (6414.0) 16x (9830.4) Note: When a word consists of more than 1 byte, the graph indicates these bytes and separates them with a hyphen.
  • Page 203 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-71: Non Interleaved I/Q data transmission within a CPRI link Remote command: ​ on page 337 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ T X|RX:​ I NTerleaving​ AxC Table Shows the settings of the assigned AxCs. An AxC is defined by the position inside the CPRI basic frame and its length.
  • Page 204 ® Protocol Settings R&S EX-IQ-BOX CPRI "Software" Starts scheduling and data transmission/reception after a software trig- ger. "Ext. Trigger 1...3" Starts the scheduling and data transmission/reception with an external trigger signal. To supply the trigger signal use one of the GPIOs and configure it accordingly in the "Hardware"...
  • Page 205 ® Protocol Settings R&S EX-IQ-BOX CPRI Therefore, variations in the data rate appear with all signals whose data rate do not fit in this 3.84 MHz pattern. The reason is that for these signals, the total sampling rate per AxC group is not an integer multiple of the CPRI basic frame rate.
  • Page 206 ® Protocol Settings R&S EX-IQ-BOX CPRI The graph in the AxC Container Definition shows the distribution of the data in the CPRI frame slots. Argument Let us prove that using the formula:    AssignedAx OnTime   ...
  • Page 207 ® Protocol Settings R&S EX-IQ-BOX CPRI Example to Low Level BER Test using CPRI RE test mode PRBS result Fig. 7-72: Low Level BER Test For testing a signal execute the following steps. 1. Define a signal in the downlink tab: Select "Physical Source > PRBS" in the downlink tab and configure the AxC parameters regarding "Pattern Length"...
  • Page 208 4.5, "Connecting the R&S EX-IQ-BOX", on page 42, you find infor- mation on how to connect the interface. For more information on the hardware, see the data sheet of the R&S EX-IQ-BOX, option R&S EXBOX-B85 (CPRI breakout board). User Manual 1409.5570.32 ─ 05...
  • Page 209 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-73: CPRI Control & Management dialog - Slow C&M (HDLC) R&S DigIConf provides two methods for transmitting or receiving Slow C&M Data: 1. Using the internal Terminal, you can enter text commands. With EXECUTE, the CPRI breakout board either encodes the plain text commands in HDLC format or transmits the raw data over the CPRI link.
  • Page 210 ® Protocol Settings R&S EX-IQ-BOX CPRI State Activate the C&M data exchange by means of HDLC protocol. Remote command: ​ on page 297 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ C M:​ H DLC:​ S TATe​ Bit Rate Set the bit rate for transmission of the C&M data.
  • Page 211 On the transmitter side the RS232 speed will always be slower than the CPRI slow C&M bit rate so all frames will be transmitted. "Direct" The R&S EX-IQ-BOX transmits the data directly to the DUT, that means without internal encoding or decoding. "HDLC EN/DE Coding"...
  • Page 212 4.5, "Connecting the R&S EX-IQ-BOX", on page 42, you find infor- mation on how to connect the interface. For more information on the hardware, see the data sheet of the R&S EX-IQ-BOX, option R&S EXBOX-B85 (CPRI breakout board). User Manual 1409.5570.32 ─ 05...
  • Page 213 R&S DigIConf provides the following setup for transmitting or receiving Fast C&M Data: By using the fast C&M option, the R&S EX-IQ-BOX tunnels the Ethernet protocol over CPRI. The Ethernet port on the breakout board therefore refers to the Ethernet port of the DUT.
  • Page 214 ® Protocol Settings R&S EX-IQ-BOX CPRI Ethernet Pointer Indicates the resulting Ethernet pointer after the link setup, that means the position after the handshake between the R&S EXBOX-B85 and the DUT. You can determine this parameter in the C&M tab, which is embedded in the CPRI pro- tocol.
  • Page 215 Logs off the session. Remote command: n.a. 7.2.11 Vendor Data The Vendor Data tab provides the input of user-specific information, like for example additional control data. The R&S EX-IQ-BOX then transmits the data embedded in the CPRI protocol. User Manual 1409.5570.32 ─ 05...
  • Page 216 ® Protocol Settings R&S EX-IQ-BOX CPRI Fig. 7-76: CPRI Vendor Data dialog State Activate the vendor data exchange. Remote command: ​ on page 353 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ V ENDor:​ S TATe​ Direction Select the transmission path of the data shown in the ​...
  • Page 217 ® Protocol Settings R&S EX-IQ-BOX CPRI Word Width Indicates the word width. The word width depends on the CPRI line bit rate. The following table shows the word width related to the line bit rate. Table 7-12: Word width related to the line bit rate...
  • Page 218 ® Protocol Settings R&S EX-IQ-BOX CPRI Vendor Data Table For CPRI RE downlink or CPRI REC uplink, you can determine vendor-specific data for transmission. In receive direction, that means in uplink for CPRI RE and downlink for CPRI REC test modes, the table shows the received vendor specific data, and switches into read-only mode.
  • Page 219 ® Protocol Settings R&S EX-IQ-BOX CPRI 7.2.12.1 SFP Diagnostics Sections SFP1/SFP2 Diagnostics indicate the most important parameters of the SFP transceiver modules. Difference between the R&S EXBOX-B85 breakout board versions ● 1409.7208.02 covers two SFP cages. ● 1409.7208.04 has a single SFP cage.
  • Page 220 CPRI protocol. The ARB functionality applies to the transmission mode, when the R&S EX-IQ-BOX is sending to the DUT, that means in CPRI RE test mode, the R&S EX-IQ-BOX sends in the downlink, and in CPRI REC test mode in the uplink.
  • Page 221 ® Protocol Settings R&S EX-IQ-BOX CPRI The recent data sets directory shows the files last used. Select the directory where waveform files are stored. The available waveform files, iden- tifiable by the file extension *.wv are shown. The "Select" button loads the marked file and returns to the "ARB" dialog. The "ARB Sources"...
  • Page 222 In order to activate signal transmission, assign the signal to the signal source of the CPRI downlink, as described in ​ " Physical Source" on page 173. The R&S EX-IQ-BOX then embeds the signal into the CPRI protocol. Remote command: ​...
  • Page 223 I/Q data use always 16 bits in memory, regardless of the resolution of the source. The R&S EX-IQ-BOX extracts the I/Q baseband signal of the CPRI protocol, records it over a period of time and provides storing the recorded data in a waveform file.
  • Page 224 ARB. The stored waveforms can be used customer-specific, or replayed in the ARB of the R&S EX-IQ-BOX. Use this function for post-processing the signals offline. Data Source Select the signal source. All Rx signals are available. In order to record a signal, the signal must be selected and activated in the respective Rx.
  • Page 225 ® Protocol Settings R&S EX-IQ-BOX CPRI ● Pre-trigger, the trigger position at the end of the waveform provides the evaluation of the signal before the trigger event. The trigger position is graphically displayed on the right. Remote command: ​ on page 320 [ :​...
  • Page 226 ® Protocol Settings R&S EX-IQ-BOX CPRI Record Starts the recording. Remote command: ​ on page 318 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ R ECorder<ch>:​ E XECute​ Abort / Discard Stops and cancels the recording. You can abort the recording process at any time.
  • Page 227 ® Protocol Settings R&S EX-IQ-BOX CPRI The "File Manager" button leads to a dialog used to copy, delete and rename files, and to create new directories. Remote command: ​ on page 318 [ :​ S OURce<hw>]:​ E BOX:​ C PRI:​ R ECorder<ch>:​ F ILE:​ S ELect​...

  • Page 228: Remote Control Basics

    ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols 8 Remote Control Basics This chapter provides basic information on operating R&S DigIConf via remote control. Information on used term for R&S DigIConf Throughout this description, the term “instrument” is used to indicate R&S DigIConf; the terms “instrument”, “software”...

  • Page 229: Lan Interface

    Instrument responses Instrument responses (response messages and service requests) are messages the R&S EX-IQ-BOX sends to the controller after a query. They can contain measurement results, instrument settings and information on the instrument status. 8.1.2 LAN interface For remote control via a network, the controller and the PC on that the R&S DigIConf is...
  • Page 230 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols In case the R&S DigIConf and the controller are installed on the same PC, the IP address 127.0.0.1 or Local Host is used. Hence the valid visa resource string is: TCPIP::127.0.0.1::INSTR...
  • Page 231 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols The software is in a remote control state as soon as it receives a command from the controller. 8.1.5 Examples These sections provides examples for setting up of remote control connection and start- ing a remote control session over LAN interface.
  • Page 232 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols 5. Choose the type of TCP/IP resource you wish to add and select "Next". 6. Enter the IP address or the host name of R&S DigIConf and select "Next".
  • Page 233 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols The alias name must not be mistaken for the computer name. It is only used for instrument identification within the program and displayed in the menu as an option in case of an Ethernet link.
  • Page 234 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols 9. To test the connection, select "Validate". A message indicates whether the link to the instrument can be set up or not. If a connection cannot be set up, check whether the controller and the instrument are connected to the network (network cable) and switched on.
  • Page 235 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols 3. In the "viWrite" tab, write the command to be send to the instrument and select "Exe- cute". Instrument responses are displayed on the "viRead" tab. User Manual 1409.5570.32 ─ 05...
  • Page 236 ® Remote Control Basics R&S EX-IQ-BOX Remote Control Interfaces and Protocols For further program operation refer to the online help of the program. Setting up a Telnet Connection This chapter provides an example on how to establish a remote control connection over telnet protocol and a simple sockets-based program example that can be further devel- oped.

  • Page 237: Scpi Command Structure

    ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure 2. Even if the cursor is not visible on the screen, enter blind a remote-control command and confirm with Enter. After the first remote-control command had been send, R&S DigIConf is in remote- controlled state.
  • Page 238 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure to 9, 11 to 32 decimal, e.g. blank). The headers may consist of several mnemonics (key- words). Queries are formed by appending a question mark directly to the header. The commands can be either device-specific or device-independent (common com- mands).
  • Page 239 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure 8.2.2 Syntax of Device-Specific Commands Optional note heading Not all commands used in the following examples are necessarily implemented in the instrument. For demonstration purposes only, assume the existence of the following commands for this section: ●...
  • Page 240 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure Example: Definition: HardCOPy:PAGE:DIMensions:QUADrant[<N>] Command: HCOP:PAGE:DIM:QUAD2 This command refers to the quadrant 2. Different numbering in remote control For remote control, the suffix may differ from the number of the corresponding selection used in manual operation.
  • Page 241 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure Special characters Parameters A vertical stroke in parameter definitions indicates alternative possibilities in the sense of "or". The effect of the command differs, depending on which parameter is used. Example: Definition: HardCOPy:PAGE:ORIentation LANDscape | PORTrait...
  • Page 242 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure The parameters required for each command and the allowed range of values are speci- fied in the command description. Numeric values Numeric values can be entered in any form, i.e. with sign, decimal point and exponent.
  • Page 243 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure ● UP, DOWN increases or reduces the numeric value by one step. The step width can be specified via an allocated step command for each parameter which can be set via UP, DOWN.
  • Page 244 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure Character strings Strings must always be entered in quotation marks (' or "). Example: HCOP:ITEM:LABel "Test1" or HCOP:ITEM:LABel 'Test1' Block data Block data is a format which is suitable for the transmission of large amounts of data. A...
  • Page 245 ® Remote Control Basics R&S EX-IQ-BOX SCPI Command Structure 8.2.3.2 Structure of a Command Line A command line may consist of one or several commands. It is terminated by one of the following: ● a <New Line> ● a <New Line> with EOI ●...

  • Page 246: Command Sequence And Synchronization

    ® Remote Control Basics R&S EX-IQ-BOX Command Sequence and Synchronization Example: SENSe:FREQuency:STOP? MAX, Response: 3.5E9 ● Numeric values are output without a unit. Physical quantities are referred to the basic units or to the units set using the Unit command. The response 3.5E9 in the previous example stands for 3.5 GHz.
  • Page 247 ® Remote Control Basics R&S EX-IQ-BOX Command Sequence and Synchronization Example: Commands and queries in one message The response to a query combined in a program message with commands that affect the queried value is not predictable. The following commands always return the specified result: :FREQ:STAR 1GHZ;SPAN 100 :FREQ:STAR?
  • Page 248 ® Remote Control Basics R&S EX-IQ-BOX Command Sequence and Synchronization 8.3.1 Preventing Overlapping Execution To prevent an overlapping execution of commands, one of the commands *OPC, *OPC? or *WAI can be used. All three commands cause a certain action only to be carried out after the hardware has been set.

  • Page 249: General Programming Recommendations

    ® Remote Control Basics R&S EX-IQ-BOX General Programming Recommendations Event Status Register (ESE) 1. Set the OPC mask bit (bit no. 0) in the ESE: *ESE 1 2. Send the overlapped command without *OPC, *OPC? or *WAI 3. Poll the operation complete state periodically (by means of a timer) using the sequence: *OPC;...
  • Page 250 ® Remote Control Basics R&S EX-IQ-BOX General Programming Recommendations Reacting to malfunctions The service request is the only possibility for the instrument to become active on its own. Each controller program should instruct the instrument to initiate a service request in case of malfunction.

  • Page 251: Remote Control Commands

    The remote-control commands are structured in subsystems according to the SCPI syn- tax, and then listed in alphabetical order. Addditionally, find a list of all commands for the R&S EX-IQ-BOX at the end of the manual, see "Alphabetical List of Commands".
  • Page 252 <*opc > string *OPT? OPTion identification query. Queries the options included in the R&S EX-IQ-BOX. For a list of all available options and their description refer to ​ c hapter 3.2.2, "Options", on page 22 or the R&S website of the R&S EX-IQ-BOX:...
  • Page 253 Setting parameters: <*rcl> string Usage: Setting only *RST <*rst> ReSeT Sets the R&S EX-IQ-BOX to a defined default status. It is equivalent to SYSTem:PRESet. The default settings are indicated in the description of commands. Setting parameters: <*rst> string Usage: Setting only *SAV <*sav>...

  • Page 254: R&S Ex-Iq-Box - Remote Control Commands

    Usage: Query only 9.2 R&S EX-IQ-BOX - Remote Control Commands The following subsystems relate to the R&S EX-IQ-BOX and R&S instruments, as well as some general functions. The specific commands are described in the associated sub- systems. 9.2.1 Device Subsystem The DEVice subsystem contains remote control commands of the device manager dialog of R&S DigIConf.

  • Page 255: [:Source]:Ebox:device:controller

    R&S EX-IQ-BOXes 90002 and 90010 are connec- ted. Usage: Query only Manual operation: "EX-IQ-BOX Device" on page 66 [:SOURce<hw>]:EBOX:DEVice:CONTroller? The command queries the controller type the R&S EX-IQ-BOX is equipped with. Return values: <cnt> string SOUR:EBOX:DEV:CONT? Example: shows the controller type of the R&S EX-IQ-BOX. Usage:...

  • Page 256: [:Source]:Ebox:device:fpg:bob

    R&S EX-IQ-BOX with part number 101211 is con- nected. Manual operation: "Hardware Info" on page 66 [:SOURce<hw>]:EBOX:DEVice:PPCVersion? Queries the R&S EX-IQ-BOX PPC firmware version, i.e. the version of the built-in power Return values: <ver> string User Manual 1409.5570.32 ─ 05...

  • Page 257: [:Source]:Ebox:device:board:part

    SOUR:EBOX:DEV:PPCV? query version of the PPC. Usage: Query only Manual operation: "Hardware Info" on page 66 [:SOURce<hw>]:EBOX:DEVice:BOARd:PART? Queries the part number of the R&S EX-IQ-BOX´s internal board. Return values: <pn> string Example: SOUR:EBOX:DEV:BOAR:PART? query the part number. Usage: Query only Manual operation: "Hardware Info"...

  • Page 258: [:Source]:Ebox:device:bob:serial

    CPRI breakout board is connected. Usage: Query only Manual operation: "Hardware Info" on page 66 [:SOURce]:BBIN:EXTernal:FIRMware:SUPPorted? [:SOURce<hw>]:IQ:OUTPut:EXTernal:FIRMware:SUPPorted? [:SOURce<hw>]:EBOX:USER:FIRMware:SUPPorted? [:SOURce<hw>]:EBOX:DEVice:FIRMware:SUPPorted? Queries the firmware available for the R&S EX-IQ-BOX 1407.5505.02. Return values: <Supported> string Example: SOUR:EBOX:DEV:FIRM:SUPP? check the supported firmware. Usage: Query only Manual operation: "Update EX-IQ-BOX Firmware"...

  • Page 259: [: S Ource]: E Box: D Evice: S Elect

    ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands [:SOURce<hw>]:EBOX:DEVice:SELect <Select> Select a currently connected R&S EX-IQ-BOX by means of its serial number. Parameters: <Select> float Example: SOUR:EBOX:DEV:SELect 100112 select the connected R&S EX-IQ-BOX with serial number...

  • Page 260: Diagnostic:ebox:cpri:execute

    ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands Return values: <Catalog> string Example: DIAG:EBOX:CAT? list the connected R&S EX-IQ-BOXes. Response: 900002, 900010 R&S DigIConf currently operates with the R&S EX-IQ-BOXes 90002 and 90010 Usage: Query only :DIAGnostic:EBOX:CPRI:EXECute : ​...

  • Page 261: Diagnostic:ebox:lvds:ber

    ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands :DIAGnostic:EBOX:LVDS:BER? The command checks the LVDS interface. This function is protected and used for service purposes. Return values: <ber> float Example: DIAG:EBOX:LVDS:BER? query the results of the LVDS test.

  • Page 262: Diagnostic:ebox:lvds:pll

    ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands :DIAGnostic:EBOX:LVDS:PLL? Checks the PLL lock state during LVDS test. This function is protected and used for service purposes. Return values: <pll> ON | OFF Example: DIAG:EBOX:LVDS:PLL? query the state of the PLL.

  • Page 263: Diagnostic:ebox:point:value

    The numeric suffix <hw> to SOURce distinguishes the selected R&S EX-IQ-BOX [:SOURce<[1]|2|3|4>:]..● SOURce[1] = R&S EX-IQ-BOX 1 If only one R&S EX-IQ-BOX is connected the keyword SOURce is optional and can be omitted. ● SOURce2 = R&S EX-IQ-BOX 2 (up to four are possible simultaneously) If you work with more devices, the keyword is mandatory, i.e.
  • Page 264 ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands ................249 [:​ S OURce<hw>]:​ E BOX:​ A RB:​ C ATalog?​ ................249 [:​ S OURce<hw>]:​ E BOX:​ A RB:​ D ELete​ ..................249 [:​ S OURce<hw>]:​ E BOX:​ C ATalog?​...
  • Page 265 0 to 4 Example: SOUR:EBOX:COUN? Response: "2" Manual operation: "Block Diagram" on page 56 [:SOURce<hw>]:EBOX:ID? Queries the Id of the R&S EX-IQ-BOX. The Id is composed of <part_num- ber>,<serial_number> and <checksum>. Return values: <Id> string Example: EBOX:ID? Response: "1409.5505K04-100005-Av" Usage:...
  • Page 266 Example: SOUR:EBOX:DEV:SELect 100112 select the connected R&S EX-IQ-BOX with serial number 10112. [:SOURce<hw>]:EBOX:STATe? Queries the current state of the R&S EX-IQ-BOX. The state can only be activated with commands switching on a transmission protocol, e.g. EBOX:USER:STAT ON. Return values: <State>...
  • Page 267 R&S EX-IQ-BOX - Remote Control Commands Manual operation: "Connected Instrument" on page 71 [:SOURce<hw>]:EBOX:INST<ch>:PORT? Queries the instrument's port the R&S EX-IQ-BOX is connected to. The response differs depending on the connected instrument type. In a two-path instrument the path is also given. Return values: <Port>...
  • Page 268 ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands 9.2.5 MMEMory Subsystem The MMEMory subsystem (Mass Memory) contains the commands for managing files and directories as well as for loading and storing complete instrument settings in files.

  • Page 269: Mmemory:catalog

    Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands subsequently used in the MMEM:STOR:STATe<number>, <file> command. Also, sub- sequently to loading a file with instrument settings with command MMEM:LOAD:STAT <number>, <file>, these settings have to be activated with the common command *RCL <number>.

  • Page 270: Mmemory: C Directory

    ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands Return values: <Catalog> string String parameter to specify the directory. If the direcory is omitted, the command queries the content of the current directory, queried with MMEM:CDIR command.

  • Page 271: Mmemory: M Directory

    ® Remote Control Commands R&S EX-IQ-BOX R&S EX-IQ-BOX - Remote Control Commands Parameters: <sav_rcl_state_number> Determines to the specific <number> to be used with the *RCL command, e.g. *RCL 4. <file_name> String parameter to specify the file name with extension *.savrcl.

  • Page 272: User Defined - Remote Control Commands

    SCPI subsystems. Within each chapter, the order is alphabetical. As a special feature you can find most of the commands summarized in a set of com- mands. This is required for test setups of the R&S EX-IQ-BOX, modell 1409.5505.02, when not controlled by R&S DigIConf.

  • Page 273: [: S Ource]: B Bin: E Xternal: D Irection

    Setting direction and activating transmission depends on the R&S Device: ● R&S DigIConf Signal direction is selected in the "Direction" field of the R&S EX-IQ-BOX "User Defined" settings dialog. Select "Transmitter/Receiver" in the list. The transmission is activated by switching On the "State" button.

  • Page 274: [: S Ource]: B Bin: E Xternal: L Ogic[: T Ype]

    The type of the electrical signals are based on various logic types (TTL or CMOS stand- ard) performing different logic levels. The logic type of the DUT connected must be com- patible to the logic type of the R&S EX-IQ-BOX. Inappropriate logic types may cause damage to the R&S EX-IQ-BOX and/or to the DUT.

  • Page 275: [:Source]:Ebox:user:preset

    User Defined parameters to the default value. Usage: Event Manual operation: "Set To Default" on page 100 [:SOURce]:RECeiver:SENDto SOURce:TRANsmitter:SENDto The command determines the direction of signal transmission from the R&S EX-IQ-BOX to the DUT. User Manual 1409.5570.32 ─ 05...

  • Page 276: [: S Ource]: E Box: U Ser: S Tate

    Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Example: SOUR:TRAN:SEND The connected R&S EX-IQ-BOX receives data from an R&S signal analyzer and transmits this data to the DUT. Manual operation: "Send to" on page 94 [:SOURce<hw>]:EBOX:USER:STATe <State>...
  • Page 277 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Usage: Query only [:SOURce<hw>]:EBOX:USER:SETTing:DELete <Delete> The command removes a settings file from the specified directory. Determine the file by adding directory, file name and extension of the file.
  • Page 278 [:​ S OURce<hw>]:​ E BOX:​ U SER:​ S RATe?​ [:SOURce]:BBIN:EXTernal:DRATe <Drate> [:SOURce<hw>]:IQ:OUTPut:EXTernal:DRATe <Drate> SOURce:TRANsmitter:DRATe <Drate> SOURce:RECeiver:DRATe <Drate> [:SOURce<hw>]:EBOX:USER:DRATe <Drate> Sets the data rate mode of the R&S EX-IQ-BOX for receiving/sending a baseband signal from/to an external device (DUT). User Manual 1409.5570.32 ─ 05...
  • Page 279 Transmits the baseband signal in Double Data Rate (SDR) mode from the DUT to the R&S EX-IQ-BOX or vice versa. The rising and the falling edge of the clock signal trigger data transmission (dou- ble speed transfer).
  • Page 280 [:SOURce<hw>]:EBOX:USER:ILEaving <Ileaving> Switches on interleaving and selects the interleaving mode. Depending on the interleaving settings, the baseband signal is either sent simultaneously or in I/Q or Q/I order from the DUT to the R&S EX-IQ-BOX or vice versa. Parameters: <Ileaving>...
  • Page 281 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Example: SOUR1:EBOX:USER:SRAT? queries the "sample rate" of the externally applied baseband sig- nal. Usage: Query only 9.3.5 Clock Subsystem The USER:CLOCk subsystem contains the commands for configuration of the clock sig- nal, and the corresponding output and input connectors.
  • Page 282 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands [:SOURce]:BBIN:EXTernal:CLOCk:PHASe <Phase> [:SOURce<hw>]:IQ:OUTPut:EXTernal:CLOCk:PHASe <Phase> SOURce:TRANsmitter:CLOCk:PHASe <Phase> SOURce:RECeiver:CLOCk:PHASe <Phase> [:SOURce<hw>]:EBOX:USER:CLOCk:PHASe <Phase> Sets a phase shift of the active clock edge in 90° steps related to the data bits. Note: SCPI notation varies The SCPI notation differs between the commands of R&S generators, R&S DigIConf and...
  • Page 283 Example: SOUR1:EBOX:USER:CLOC:RATE? query the current frequency of the clock signal of the R&S EX-IQ- BOX. SOUR1:EBOX:USER:CLOC:RATE 10MHZ set the clock rate of the R&S EX-IQ-BOX to 10 MHz. Manual operation: "Clock Rate" on page 115 User Manual 1409.5570.32 ─ 05...
  • Page 284 Note: This command applies to R&S DigIConf and is relevant for the internal clock source. Defines the frequency value of the reference clock. The R&S EX-IQ-BOX supports different reference frequencies to be input at REF IN. This value must be set on the frequency currently supplied. Parameters: <Frequency>...
  • Page 285 Note: When using the internal clock frequency, the reference out- put of the R&S instrument must be connected to the REF IN of the R&S EX-IQ-BOX at the rear panel. The connection can be kept during the entire operation even if an external clock reference is used.
  • Page 286 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands [:SOURce]:BBIN:EXTernal:SCRatio <Scratio> [:SOURce<hw>]:IQ:OUTPut:EXTernal:SCRatio <Scratio> SOURce:TRANsmitter:SCRatio <Source> SOURce:RECeiver:SCRatio <Source> [:SOURce<hw>]:EBOX:USER:SCRatio <Scratio> Sets the sample to clock rate ratio in parallel data transmission mode. The parameter characterizes the ratio of the sample rate to the clock rate.

  • Page 287: [: S Ource]: E Box: U Ser: D Ata: A Lignment

    ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands ..............272 [:​ S OURce<hw>]:​ E BOX:​ U SER:​ D ATA:​ A LIGnment​ ...............273 [:​ S OURce]:​ B BIN:​ E XTernal:​ D ATA:​ B ORDer​ ............273 [:​...

  • Page 288: [: S Ource]: B Bin: E Xternal: D Ata: B Order

    ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Sets the alignment of the data bits on the data lines. Either the MSB or the LSB is mapped firmly to one data line. Depending on the word size the equivalent bit moves to the appro- priate data line.
  • Page 289 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Allowed number range for word size n Bit: ≤ n ≤ +2 Table 9-3: User defined > Numeric format coding 2´s Complement Binary Offset Parameters: <Nformat> TCOMplement | OBINary TCOMplement Formats the value of the transmitted data in 2´s complement.

  • Page 290: [: S Ource]: B Bin: E Xternal: D Ata: P Olarity: I Q

    Sets the word size resolution of a sample. If the word size is set to a value n, the I word uses these n bits and the Q word uses n bits. The R&S EX-IQ-BOX supports word sizes from 4 to 18 bits.

  • Page 291: [: S Ource]: B Bin: E Xternal: D Ata: S Position

    ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Parameters: <Spolarity> POSitive | NEGative POSitive Sets the strobe polarity to high level. NEGative Sets the strobe polarity to low level. *RST: POSitive Example: SOUR1:EBOX:USER:DATA:SPOL NEG inverts of the strobe marker signal.

  • Page 292: [: S Ource]: B Bin: E Xternal: D Ata: T Ype

    9.3.7 Test Subsystem The USER:TEST subsystem provides commands for testing the user interface between the R&S EX-IQ-BOX and the DUT..............277 [:​ S OURce<hw>]:​ E BOX:​ U SER:​ T EST:​ R X:​ B ER?​...
  • Page 293 [:SOURce<hw>]:EBOX:USER:TEST:RX:STATe <State> Activates the test receiver. The R&S EX-IQ-BOX expects a test signal at the user interface. First, the test receiver synchronizes to the last received data word, and then generates a test sequence and compares each generated sample with the corresponding received sample.
  • Page 294 " Rx Received Bits" on page 124 [:SOURce<hw>]:EBOX:USER:TEST:TX:SIGNal <Signal> Selects a test signal of the test generator. The R&S EX-IQ-BOX internally generates either a sine, PRBS or counter signal for test- ing, defined as follows: ● PRBS The PRBS 16 sequence is defined by the generator polynomial G(x) = 1 + x...
  • Page 295 Generates a PRBS 16 (Pseudo Random Binary Sequence) sequence. The output of this sequence complies to the "Proto- col", "Data" and "Clock" settings of the R&S EX-IQ-BOX. E.g. if the word size of the I / Q sample is 7 bits, the R&S EX-IQ- BOX sends the PRBS 16 sequence in 7-bit parts.
  • Page 296 121 9.3.8 Trigger Subsystem The USER:TRIGger subsystem contains the commands for configuring a trigger signal when the R&S EX-IQ-BOX is working in transmitter mode..............281 [:​ S OURce<hw>]:​ E BOX:​ U SER:​ T RIGger:​ A RM​ ..............282 [:​...
  • Page 297 Outputs the signal immediately. SYNC Synchronizes signal output with an incoming trigger signal, i.e. the DUT triggers data output to the R&S EX-IQ-BOX. The trigger sig- nal is applied at the SYNC IN pin of the user interface. *RST: AUTO...
  • Page 298 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Manual operation: "Trigger Source" on page 119 [:SOURce<hw>]:EBOX:USER:TRIGger:STATe? Queries the trigger status. Return values: <State> STOP | RUN Example: EBOX:USER:TRIG:STAT? Response: STOP, i.e. triggering is stopped. Usage: Query only Manual operation: "Status"...
  • Page 299 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands [:SOURce<hw>]:EBOX:USER:SSI:CMSize <CMSize> Defines the number of the Control & Management bits, following the I/Q data word. The size is defined from 0 up to 32 bits. Parameters: <CMSize>...
  • Page 300 ® Remote Control Commands R&S EX-IQ-BOX User Defined - Remote Control Commands Example: EBOX:USER:SSI:SIZE 12 sets the word size resolution to 12 bit. Manual operation: "Word Size" on page 124 [:SOURce<hw>]:EBOX:USER:SSI:SPI:CLOCk:FREQuency <Frequency> Selects the system clock frequency. Parameters: <Frequency> 1MHZ | 2.5MHZ | 5MHZ | 8.333MHZ | 12.5MHZ | 25MHZ...

  • Page 301: Cpri Remote Control Commands

    ● L1 analysis information ● Main settings ● Recorder settings ● Diagnostics ● Downlink/Uplink settings (Tx/Rx) ● Vendor Data Find a list of all commands for the R&S EX-IQ-BOX at the end of the manual. User Manual 1409.5570.32 ─ 05...
  • Page 302 9.4.1 CPRI ARB Subsystem The ARB subsystem contains all remote control commands that are relevant for loading a waveform file in the waveform memory of the R&S EX-IQ-BOX.To get a list of available waveform files, see ​ on page 249.
  • Page 303 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:ARB:PRESet The command sets the wavefom memory to default, i.e. it erases the ARB table (all loaded waveform files and settings). Example: SOUR1:EBOX:CPRI:ARB:PRES clears the ARB table. Usage: Event Manual operation: "Reset"...
  • Page 304 EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:ARB<ch>:CONFlict? The command queries whether an option conflict has occurred. A conflict arises, if a waveform requires an option, that is not installed on the R&S EX-IQ-BOX, or is not enabled. Return values: <Oconflict> OFF | ON...
  • Page 305 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:ARB<ch>:SRATe? The command queries the sample rate of the signal, loaded from the waveform memory. The sample rate represents the number of samples per second that are used for digitizing.
  • Page 306 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands ............295 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ C M:​ H DLC:​ E XECute​ ..............295 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ C M:​ H DLC:​ M ODE​...
  • Page 307 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:CM:ETH:BRAT? query the current bit rate of fast C&M. Response: 122.88 the current bit rate is 122.88 Mbit/s. Usage: Query only Manual operation: "Bit Rate" on page 199 [:SOURce<hw>]:EBOX:CPRI:CM:ETH:COMMand <Command>...
  • Page 308 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:CM:ETH:PTR? The command queries the resulting Ethernet pointer after the link setup, i.e. the position after the handshake between the R&S EXBOX-B85 and the DUT. Return values: <Pptr> float Range:...
  • Page 309 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:CM:HDLC:BRATe <Rate> The command sets the bit rate for transmission of the control data in slow C&M mode (HDLC). Note: The maximum HDLC rate for slow C&M depends on the CPRI Line Bit Rate. The following table shows the available HDLC bit rates for the corresponding CPRI bit rates.
  • Page 310 Parameters: <Mode> DIRect | ECODing DIRect The R&S EX-IQ-BOX transmits the data directly to the DUT, i.e. without internal encoding or decoding. This mode applies to HDLC source "RS-232-C Connector". ECODing The R&S EX-IQ-BOX either encodes the plain text data before transmission to the DUT, or it decodes and then displays the incoming data.
  • Page 311 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:CM:HDLC:RST Resets the Rx/Tx data. Example: EBOX:CPRI:CM:HDLC:RST Usage: Event Manual operation: "Terminal" on page 197 [:SOURce<hw>]:EBOX:CPRI:CM:HDLC:RX? Queries the received control & management data (HDLC). Return values: <Rx> string Example: EBOX:CPRI:CM:HDLC:RX?
  • Page 312 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <Source> TERMinal TERMinal|RS232 Use the integrated terminal of R&S DigIConf for C&M data input or output. This method applies to the CPRI RE test mode. RS232 Use the RS-232-C connector for C&M data input or output.
  • Page 313 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands ............302 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ G PIO<ch>:​ S IGnal​ ..............303 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ H SSS:​ I NPut​...
  • Page 314 EX-IQ-BOX CPRI Remote Control Commands Manual operation: "Breakout Board Revision" on page 155 [:SOURce<hw>]:EBOX:CPRI:HW:CMODe? Queries the role of the R&S EX-IQ-BOX, i.e. either master (CPRI RE test) or slave (CPRI REC test). Return values: <Cmode> string Master The R&S EX-IQ-BOX is working in CPRI RE Test mode.
  • Page 315 R&S EX-IQ-BOX CPRI Remote Control Commands Manual operation: "Core Mode" on page 168 [:SOURce<hw>]:EBOX:CPRI:HW:EBRevision? Queries the revision number of the R&S EX-IQ-BOX´s internal board. Return values: <Ebrevision> string Example: SOUR1:EBOX:CPRI:HW:EBR? query the revision number of the internal EX-IQ-BOX board. Response: 123 the internal R&S EX-IQ-BOX board has revision 123.
  • Page 316 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <Width> float Range: 1 to 65535 Example: EBOX:CPRI:HW:GPIO:MFW:BFR 5 increases the basic frame marker output signal to 5 clock periods. Manual operation: "Basic ; Hyper ; Node B" on page 163 [:SOURce<hw>]:EBOX:CPRI:HW:GPIO:MFWidth:HFRame <Width>...

  • Page 317: [: S Ource]: E Box: C Pri: H W: G Pio: S Ignal

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <Direction> OFF | OUTPut | INPut Deactivate the GPIO interface. Deactivates the GPIO interface. OUTPut Selects the respective GPIO interface as output, i.e. send a control signal to the external device.

  • Page 318: [: S Ource]: E Box: C Pri: H W: H Sss: I Nput

    The command determines the interface for signal input. Only one interface can be active at the same time. Basically the R&S EX-IQ-BOX receives a CPRI signal via one of the optical interfaces SFP1, or SFP2. User Manual 1409.5570.32 ─ 05...

  • Page 319: [: S Ource]: E Box: C Pri: H W: H Sss: O Utput: S Fp1[: S Tate]

    SFP1 | SFP2 | SMA | LOOPback | NONE SFP1 Selects the SFP1 (Small Form-factor Pluggable) interface, at which the R&S EX-IQ-BOX is connected to the DUT to receive the signal. SFP2 Selects the SFP1 (Small Form-factor Pluggable) interface, at which the R&S EX-IQ-BOX is connected to the DUT to receive the...

  • Page 320: [: S Ource]: E Box: C Pri: H W: H Sss: O Utput: S Ma[: S Tate]

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <State> OFF | ON *RST: Example: SOUR1:EBOX:CPRI:HW:HSSS:OUTP:SFP2 ON activates the SFP2 interface for signal output. Manual operation: "Outputs" on page 160 [:SOURce<hw>]:EBOX:CPRI:HW:HSSS:OUTPut:SMA[:STATe] <State> Determines the SMA (SubMiniatur version A) interface for signal output, i.e. aligns the transmitter type of the DUT.

  • Page 321: [:Source]:Ebox:cpri:hw:lof

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:HW:LBR LR2X sets the line bit rate 2x1228.8 Mbit/s. Manual operation: "CPRI Line Bit Rate" on page 157 [:SOURce<hw>]:EBOX:CPRI:HW:LOF? Queries the CPRI frame delimiter K28.5. Return values: <Lof> 0 | 1...

  • Page 322: [:Source]:Ebox:cpri:hw:r21T

    Manual operation: "Clock Recovery Locked" on page 155 [:SOURce<hw>]:EBOX:CPRI:HW:RCLock:CSLocked? This command queries, if the main PLL of the R&S EX-IQ-BOX is unlocked. This state is fundamental and must be locked in every operating mode of the R&S EX-IQ-BOX. Return values: <Slocked>...

  • Page 323: [:Source]:Ebox:cpri:hw:rclock:rolocked

    "10MHz Reference Output Locked" on page 155 [:SOURce<hw>]:EBOX:CPRI:HW:RCLock:SOURce <Source> Selects the reference signal source. In test mode CPRI RE, the R&S EX-IQ-BOX is synchronized either external or internally. Test mode CPRI REC uses the reference clock embedded in the CPRI link.

  • Page 324: [:Source]:Ebox:cpri:hw:seed:received

    The R&S EX-IQ-BOX uses its internal reference oscillator for syn- chronization. CRECovery CPRI REC test mode. The reference clock is extracted from the CPRI link. This selection is mandatory in a CPRI REC test setup, since the R&S EX-IQ-BOX operates in CPRI slave mode. *RST: Example: SOUR1:EBOX:CPRI:HW:RCL:SOUR RIN set the internal clock source for reference.

  • Page 325: [: S Ource]: E Box: C Pri: H W: S Ma: D Oswing

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:HW:SMA:DOSWing <Doswing> Determines the differential output voltage swing of the CML (Current Mode Logic) trans- mitter. Parameters: <Doswing> float Range: 0.1 to 1.6 Increment: 0.1 *RST: SOUR1:EBOX:CPRI:HW:SMA:DOSW 1.0 Example: sets 1.0 Vpp differential output voltage of the CML.

  • Page 326: [: S Ource]: E Box: C Pri: H W: T 14T

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:HW:SMA:RXEG 10 sets the equalizer gain to 10 dB. Manual operation: "Rx Equalizer Gain" on page 159 [:SOURce<hw>]:EBOX:CPRI:HW:T14T <time> Sets the frame timing difference between the output signal at R1 and the input signal at Depending on the CPRI test mode you can specify either T14 or TOffset.
  • Page 327 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands 9.4.4 CPRI L1 Analysis Subsystem The L1 analysis (L1:) command subsystem contains the remote-control commands for queryinng the link status..............312 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ L 1:​ H DLC:​ B RATe?​...
  • Page 328 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:L1:RX:LOC:LOS? check if loss of signal happened. Response: 0 (no error) Usage: Query only Manual operation: "Local Alarms" on page 168 [:SOURce<hw>]:EBOX:CPRI:L1:RX:LOCal:RAI? Queries the RAI (Remote Arm Indication) state at the CPRI breakout board, i.e. if any remote part of the end-to-end link has failed.
  • Page 329 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:L1:RX:REMote:RAI? Queries the RAI (Remote Arm Indication) state at the DUT, i.e. if any remote part of the end-to-end link has failed. Return values: <rai> 0 | 1 | OFF | ON...
  • Page 330 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ S TATe​ ................316 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ V ERSion?​ [:SOURce<hw>]:EBOX:CPRI:MODE <Mode> Selects the CPRI test mode. The R&S EX-IQ-BOX simulates either the baseband module or the RF module to test the appropriate counterpart. Parameters: <Mode>...
  • Page 331 Event Manual operation: "Set To Default / Preset" on page 152 [:SOURce<hw>]:EBOX:CPRI:STATe <State> Activates the CPRI standardized protocol. The corresponding FPGA (Field Programma- ble Array) is loaded automatically into the R&S EX-IQ-BOX. Parameters: <State> OFF | ON *RST: Example: SOUR1:EBOX:CPRI:STAT ON activates CPRI protocol transmission.
  • Page 332 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:RECorder<ch>:ABORt Stops and cancels the recording. You can abort the recording at any time and restart again. Example: SOUR1:EBOX:CPRI:REC:ABOR stops recording. Usage: Event Manual operation: "Abort / Discard" on page 211 [:SOURce<hw>]:EBOX:CPRI:RECorder<ch>:DATA:SOURce <Source>...
  • Page 333 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:REC:DATA:SRAT? query the sample rate value of the selected signal. Usage: Query only Manual operation: "Sample Rate" on page 210 [:SOURce<hw>]:EBOX:CPRI:RECorder<ch>:EXECute Starts the recording. Example: SOUR1:EBOX:CPRI:REC:EXEC starts recording of the currently selected signal.
  • Page 334 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Manual operation: "Save" on page 211 [:SOURce<hw>]:EBOX:CPRI:RECorder<ch>:RLENgth <Length> Sets the data length to be recorded in samples. Parameters: <Length> integer Specifies the number of samples to be recorded. Range: 1 to 128000000...
  • Page 335 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:RECorder<ch>:STATus? Return values: <Status> IDLE | FRUN | READy | WTRigger | TRIGgered | DONE Returns the state of the recording process. IDLE Recording is inactive. Configure the recorder in that state.
  • Page 336 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <Position> integer Specify a numeric value. Range: 0 to 99 Increment: 1 *RST: Example: SOUR1:EBOX:CPRI:REC:TRIG:POS 2 set trigger position 2. Manual operation: "Trigger Position" on page 209 [:SOURce<hw>]:EBOX:CPRI:RECorder<ch>:TRIGger:SOURce <Source>...
  • Page 337 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: EBOX:CPRI:REC:VIEW "d: \user\temp\qpsk_dirac_3_84Hz" calls the ARB toolbox to view the IQ content of the file. Usage: Event Manual operation: "View" on page 212 9.4.7 CPRI Settings Subsystem With the commands of the SETTing subsystem, you can save settings of a CPRI appli- cation, or recall previously saved configurations.
  • Page 338 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:SETT:DEL "d: \DigIConf\Settings\CPRI\RETest.cpri" delete the file RETest.cpri. Usage: Setting only [:SOURce<hw>]:EBOX:CPRI:SETTing:LOAD <Load> The command loads a previously saved CPRI configuration. Define directory and file name, R&S DigIConf automatically assigns the file extension *.cpri.
  • Page 339 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands The numeric suffix to SFP<st> distinguishes the SFP interfaces (SFP1,SFP2)............324 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ T EST:​ B ER:​ R X:​ R ATE?​ ............324 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ T EST:​ B ER:​ R X:​ S TATe​...
  • Page 340 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TEST:BER:RX:WORDs? The command queries the number of received IQ words during low level BER RX test. Low level BER test consecutively counts the number of received words in order to com- pare them with the sent data and to determine the error rate.
  • Page 341 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TEST:RX:LOS? The command queries a Loss of Signal (LOS). Return values: <Los> 0 | 1 *RST: Example: SOUR1:EBOX:CPRI:TEST:RX:LOS? check if loss of signal happened. Response: 0 (no error) Usage: Query only Manual operation: "Flags"...
  • Page 342 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TEST:RX:SDI? The command queries if the data communication failed (SDI Service Access Point Defect Indication). Return values: <Sdi> 0 | 1 *RST: Example: SOUR1:EBOX:CPRI:TEST:RX:SDI? check the data communication. Response: 1 (error) data communication failed.
  • Page 343 The command sets or clears the bit on the downlink connection which requests the RE to reset. Note: This function applies to CPRI RE test mode. In this mode, the R&S EX-IQ-BOX acts as a CPRI REC (master). As defined in the CPRI standard specification, the CPRI REC provides the generation of Layer 1 messages.
  • Page 344 CPRI RE Uplink Fig. 9-5: CPRI RE test - schematic representation ● In CPRI REC test mode, the R&S EX-IQ-BOX works in the DL as a receiver (RX) and in the UL as a transmitter (TX). User Manual 1409.5570.32 ─ 05...
  • Page 345 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Downlink EXBOX EX-IQ-BOX CPRI REC Uplink Fig. 9-6: CPRI REC test - schematic representation The downlink and uplink settings are similar; they both define the signals I/Q data and their distribution inside the CPRI basic frame container (AxC allocation).

  • Page 346: [: S Ource]: E Box: C Pri: R X: S Ignal: O Utput

    R&S instrument and/or to the built-in I/Q recorder. That is, if you work in the RE Test Uplink or the REC Test Downlink mode. The R&S EX-IQ-BOX extracts the I/Q baseband signal of the CPRI protocol, and forwards it to an R&S instrument. Simultaneously, you can also record the signal with the I/Q recorder.

  • Page 347: [:Source]:Ebox:cpri:tx|Rx:trigger:arm

    R&S EX-IQ-BOX, or the signal is generated internally or by means of the waveform memory in the R&S EX-IQ-BOX. The R&S EX-IQ-BOX converts the I/Q format of the signal into the CPRI protocol format. Embedded with additional control information, the link transfers the data to the DUT.

  • Page 348: [:Source]:Ebox:cpri:tx|Rx:apply

    Selects one of the waveform memories with a loaded I/Q signal. Notes: This feature requires, that the R&S EX-IQ-BOX is equipped with the appropriate waveform memory option. A conflict arises, if no signal is loaded in the memory, or is not activated.

  • Page 349: [: S Ource]: E Box: C Pri: T X|Rx: A Xc: B Address

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Return values: <Count> integer Range: 1 to 24 Increment: 1 *RST: Example: SOUR1:EBOX:CPRI:TX:AXC0:SOUR? check the number of used AxCs. Response: 18 18 AxCs are currently in use. Usage: Query only [:SOURce<hw>]:EBOX:CPRI:TX|RX:AXC<ch0>:BADDress <Baddress>...

  • Page 350: [:Source]:Ebox:cpri:tx|Rx:axc:Size

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Return values: <src> PATTern | IQIN | IQOutput | ARB1 | ARB2 | ARB3 | ARB4 | RECorder | STATic | SYNC | PRBS Example: EBOX:CPRI:TX:AXC0:PSRC? Response: "PATT" Usage: Query only [:SOURce<hw>]:EBOX:CPRI:TX|RX:AXC<ch0>:SIZE?

  • Page 351: [: S Ource]: E Box: C Pri: T X|Rx: A Xc: W Address

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TX|RX:AXC<ch0>:WADDress <Waddress> The position of the AxC within the CPRI basic frame is defined by word address and bit address. This command queries or defines the word address, i.e. with which word the AxC starts, while the bit address specifies the bit index inside the word, see ​...

  • Page 352: [:Source]:Ebox:cpri:tx|Rx:drate:available

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Usage: Query only Manual operation: "Assigned Data Rate (AxC)" on page 187 [:SOURce<hw>]:EBOX:CPRI:TX|RX:DRATe:AVAilable? Queries the available data rate for the I/Q data in the AxC container. The data rate is calculated with the formula: ...

  • Page 353: [:Source]:Ebox:cpri:tx|Rx:signal:count

    R&S DigIConf loads waveforms calculated by simulation software such as Matlab or R&S WinIQSIM2 into the memory of the R&S EX-IQ-BOX. With the aid of the CPRI breakout board, the R&S EX-IQ-BOX then embeds the signal into the CPRI protocol.

  • Page 354: [: S Ource]: E Box: C Pri: T X|Rx: S Ignal: A Xc: A Llocation

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Example: SOUR1:EBOX:CPRI:TX:SIGN:ARB:FILE? query the currently loaded wave file. Response: p4DQPSK7_68M_OV4_2016Samples.wv Usage: Query only Manual operation: "Wave file" on page 176 [:SOURce<hw>]:EBOX:CPRI:TX|RX:SIGNal<ch>:AXC:ALLocation <Allocation> Defines how to allocate the AxCs to the signal. R&S DigIConf automatically assigns the AxCs to a signal, and this parameter specifies the method.

  • Page 355: [:Source]:Ebox:cpri:tx|Rx:signal:Axc:count:needed

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Return values: <Assign> integer Range: 1 to 24 Increment: 1 *RST: Example: SOUR1:EBOX:CPRI:TX:SIGN2:AXC:COUN:ASS? check the data rate and the AxCs assigned to the second signal. Response: 3 / 368.40 Mbit/s this signal requires 3 AxCs and a data rate of 368.4 Mbit/s.

  • Page 356: [:Source]:Ebox:cpri:tx|Rx:signal:Axc:drate:assigned

    ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Usage: Query only Manual operation: "AxC(s) / Data Rate" on page 180 [:SOURce<hw>]:EBOX:CPRI:TX|RX:SIGNal<ch>:AXC:DRATe:ASSigned? Queries the data rate assigned to the signal. The assigned data rate depends on the signal group settings, i.e. on the repetition rate and the number of active AxCs per group.
  • Page 357 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Deviations in data rates! Refer to the example under ​ " Example to CPRI Groups Con- cept" on page 189, on what to do if the values do not fit.
  • Page 358 Note: Crest factor applies to external signals, i.e. to digital standards or to user defined signals. If the R&S EX-IQ-BOX is working with an internal signal, that is generated by a pattern or a waveform file, the parameter is already known must not be entered manually.
  • Page 359 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TX|RX:GROup<user0>:PATTern <pattern> Queries the binary data pattern of an AxC and responses in binary format. Enter the required pattern with the command, respecting the syntax as follows: "#B0101010101010101,16" #B = binary representation...
  • Page 360 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TX|RX:SOURce<ch>:GROup<user0>:REPetition <Repetition> Selects the AxC group and specifies the number of repetitions of the signal, that menas how many CPRI basic frames follow the current group setting. The numeric suffix GROUP<user0> distinguishes the selected group. Up to 4 groups can be specified.
  • Page 361 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TX|RX:SIGNal<ch>:NAME <Name> This command enters or changes the signal name. Parameters: <Name> string Example: SOUR1:EBOX:CPRI:TX:SIGN4:NAME "sig_3gpp" assign the signal name sig_3gpp to the fourth signal of the list in transmitter mode.
  • Page 362 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands I mantissa Common Q mantissa exponent Fig. 9-7: 2's complement 9E2 The I and Q samples of the 2's complement 9E2 are calculated with the formulas: I sample 10 bits = 9 bits mantissa + 1 bit, i.e. bit_0 exponent ...
  • Page 363 Note: Oversampling appliers to external signals, i.e. to digital standards or to user defined signals. If the R&S EX-IQ-BOX is working with an internal signal, that is generated by a pattern or a waveform file, the parameter is already considered and therefore not relevant.
  • Page 364 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Return values: <Rms> float Range: -40 to 6 Increment: 0.01 *RST: Example: SOUR1:EBOX:CPRI:TX:SIGN:RMS? query the crest factor. Response: -10 dbFS Usage: Query only Manual operation: "RMS Level" on page 180 [:SOURce<hw>]:EBOX:CPRI:TX|RX:SIGNal<ch>:SRATe <Srate>...
  • Page 365 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <Srate> float Range: 1000 to 100000000 *RST: 3840000 Example: SOUR1:EBOX:CPRI:TX:SIGN:SRATe? query the sample rate of the first signal in transmitter mode. Manual operation: "Sample Rate" on page 176 [:SOURce<hw>]:EBOX:CPRI:TX|RX:SIGNal<ch>:STANdard <Standard>...
  • Page 366 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Parameters: <Standard> USER | W3GPP | LTE_1M4 | LTE_3M | LTE_5M | LTE_10M | LTE_15M | LTE_20M | WIMAX_3M5 | WIMAX_5M | WIMAX_7M | WIMAX_8M75 | WIMAX_10M | CDMA2K | WIMAX_20M | GSM...
  • Page 367 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands [:SOURce<hw>]:EBOX:CPRI:TX|RX:SIGNal<ch>:STATe <State> The command activates a signal for transmission selected with <ch>. Parameters: <State> OFF | ON *RST: SOUR1:EBOX:CPRI:RX:SIGN:STAT ON Example: activates the fist signal for transmission in reciever mode.
  • Page 368 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Manual operation: "Vendor Data Table" on page 203 [:SOURce<hw>]:EBOX:CPRI:VENDor:DIRection <Direction> The command selects the data direction for vendor data exchange. Parameters: <Direction> DOWN | UP DOWN CPRI RE test mode (TX): User data entered in the table is embed- ded in the CPRI link for transmission to the DUT.
  • Page 369 ® Remote Control Commands R&S EX-IQ-BOX CPRI Remote Control Commands Line bit rate Word width 4x (2457.6) 5x (3072.0) Note: By determining the line bit rate, the DUT also defines the word width. See also ​ on page 305. [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ H W:​ L BRate​...

  • Page 370: Interfaces

    The following chapters describe the characteristics of the user interface and the available breakout boards. 10.1 User Interface of the R&S EX-IQ-BOX The user interface depends on the selected protocol, i.e. the functions of the pins change depending on the standard.
  • Page 371 Information on Z-DOK-Adapter Board Connector The described pin assignment applies to applications with the R&S EX-IQ-BOX controlled by R&S DigIConf. If an R&S Instrument controls the R&S EX-IQ-BOX directly, the pinout varies. For information on the differences, refer to ​...

  • Page 372: Lan Connector

    The following table points out the differences in pin assignment depending on the control of R&S DigIConf or R&S Instruments: Table 10-2: User Interface > pinout when the R&S EX-IQ-BOX is controlled by ..R&S Instruments ... R&S DigIConf Signal Name Dir.

  • Page 373: Breakout Boards

    (user interface) of the R&S EX-IQ-BOX. Thus with the R&S EX-IQ-BOX and the appro- priate breakout board you can easily perform applications of user-defined or standardized transmission protocols.
  • Page 374 090002-23x, type III, as described in ​ B reakout Board Differential 3585.7296.00 For the Cadence emulation as a specific application of the R&S EX-IQ-BOX with the Protocol Tester R&S CMW, a Cadence breakout board is also provided, see ​ c hap- ter 10.3.1.3, "Breakout Board Cadence Palladium...
  • Page 375 ® Interfaces R&S EX-IQ-BOX Breakout Boards Pin Description - Single Ended Table 10-4: Pinout 2 x 50-pin connectors (BreakOut-Board 2, 3585.7280.00) Signal Name Comment Signal Name Comment Number Number X2.1 UI_I_P0 I component (single X3.1 UI_Q_P0 Q component (sin- ended) gle ended) X2.3...
  • Page 376 ® Interfaces R&S EX-IQ-BOX Breakout Boards In receiver mode, the signal UI_VALID_P/N must be operated and continuously active, since this clock signal is required as a reference for the PLL. Information on the pinouts of the connectors - Single Ended Breakout Board Find a detailed pin assignment to this breakout board in the appendix of the operating manual, drawing number 3585.7280.00.
  • Page 377 ® Interfaces R&S EX-IQ-BOX Breakout Boards Pin Number Signal Name Comment Pin Number Signal Name Comment X2.5, X2.6 X3.5, X3.6 X2.7 UI_I_N1 X3.7 UI_Q_N1 X2.8 UI_I_P1 X3.8 UI_Q_P1 X2.9, X2.10 X3.9, X3.10 X2.11 UI_I_N2 X3.11 UI_Q_N2 X2.12 UI_I_P2 X3.12 UI_Q_P2 X2.13, X2.14...
  • Page 378 ® Interfaces R&S EX-IQ-BOX Breakout Boards Pin Number Signal Name Comment Pin Number Signal Name Comment X2.49, X2.50 X3.49, X3.50 X2.51 UI_I_N12 X3.51 UI_Q_N12 X2.52 UI_I_P12 X3.52 UI_Q_P12 X2.53, X2.54 X3.53, X3.54 X2.55 UI_I_N13 X3.55 UI_Q_N13 X2.56 UI_I_P13 X3.56 UI_Q_P13 X2.57, X2.58...
  • Page 379 ® Interfaces R&S EX-IQ-BOX Breakout Boards Pin Number Signal Name Comment Pin Number Signal Name Comment X2.93, X2.94 interface clock X3.93, X3.94 interface clock output input X2.95 D_CLK_UOUT X3.95 D_CLK_UIN_N X2.96 D_CLK_UOUT X3.96 D_CLK_UIN_P X2.97, X2.98 indicates valid X3.97, X3.98 data blocks X2.99...

  • Page 380: Connector Locations

    ® Interfaces R&S EX-IQ-BOX Breakout Boards Connector Locations Fig. 10-4: Connector locations on Cadence Palladium breakout board Pin Description Table 10-6: Pinout 1 x 68-pin connector Signal Name Comment Signal Name Comment Num- Num- X2.1 UI_I_P0 I component X2.35 X2.2 UI_I_P1 X2.36...
  • Page 381 ® Interfaces R&S EX-IQ-BOX Breakout Boards Signal Name Comment Signal Name Comment Num- Num- X2.17 UI_Q_P0 Q component X2.51 X2.18 UI_Q_P1 X2.52 X2.19 UI_Q_P2 X2.53 X2.20 UI_Q_P3 X2.54 X2.21 UI_Q_P4 X2.55 X2.22 UI_Q_P5 X2.56 X2.23 UI_Q_P6 X2.57 X2.24 UI_Q_P7 X2.58 X2.25...
  • Page 382 The CPRI breakout board performs tests directly at the CPRI interface between the REC (base station radio equipment control) and the RE (base station radio equipment). The board contains the user interface to the R&S EX-IQ-BOX, two different interfaces for data exchange with the DUT, two interfaces for additional control & management infor- mation exchange, and three general purpose interfaces.
  • Page 383 EX-IQ-BOX Breakout Boards Fig. 10-5: Connector locations on CPRI breakout board User interface This plug is the counterpart of the user interface of the R&S EX-IQ-BOX, i.e. a TYCO Z-Dok adapter board connector with 56 differential pairs. X2/X3 SFP interface The type of these SFP modules depends on the used equipment Note: These modules must fit to the transmission characteristics of the DUT.

  • Page 384: A Annex

    ® Annex R&S EX-IQ-BOX Abbreviations A Annex The annex contains a list of abbreviations, an overview of automatically assigned file extensions and tables of preset values to the respective transmission protocols. A.1 Abbreviations The following lists contain some common abbreviations used in this manual. For more abbreviations that relate to CPRI, see the CPRI specification at http://www.cpri.info/...

  • Page 385: Extensions For User Files

    ® Annex R&S EX-IQ-BOX Extensions for User Files Abbreviation Term Local Area Network Loss of Frame Loss of Signal LVDS Low Voltage Differential Signal Module Address MBps Mega Byte per second [MB/s] Multi-Gigabit Transceiver Module Not Connected Remote Alarm Indication...

  • Page 386: Preset

    ® Annex R&S EX-IQ-BOX Preset Table 1-2: List of the automatically assigned file extensions in R&S DigIConf Function/Digital List type Contents File suffix Standard CPRI Settings CPRI configuration, vendor data included *.cpri Instrument settings Waveform Waveforms and multi segment waveforms *.wv...
  • Page 387 ® Annex R&S EX-IQ-BOX Preset Bit Order Numeric Format 2's Complement Clock Clock Rate 10 MHz Clock Source Internal (BNC REF IN) Clock Phase 0 deg Clock Skew 0 ns Sample/Clock Rate Ratio Source REF IN Frequency 10 MHz Test...
  • Page 388 ® Annex R&S EX-IQ-BOX Preset Hardware Parameter Default value CPRI Line Bit Rate 2x (1228.8 Mbit/s) FPGA Internal Loopback None Input SFP1 Output SFP1 Differential Output Swing 0.800 Vpp Equalizer 0 dB Downlink / Uplink Parameter Default value Signal table/ - name...
  • Page 389 ® Annex R&S EX-IQ-BOX Preset Control & Management Parameter Default value State - Slow C&M (HDLC ) Bit Rate 240 kbit/s Source Terminal Mode HDLC EN/DE Coding State - Fast C&M (Ethernet) Ethernet Pointer Pref. Eth. Pointer Bit Rate (Ethernet) 42.l24 MBit/s...

  • Page 390: Drawings

    C-6367557 Tyco Z-Dok Adapter Board Connector, (56 differential pairs), see also ​ c hapter 10.1, "User Interface of the R&S EX-IQ-BOX", on page 355. ● 3585.7280.00 Single Ended Breakout Board with connector X1, the User Interface, and the con- nectors X2 and X3 (2x25 pole), see ​...
  • Page 392 FRONT VIEW MGT_NC MGT_NC OPTIONAL2 D_CLK_UIN_N BOB_SENS OPTIONAL1 D_CLK_UIN_P AGND GP_P5 GP_P3 GP_N5 GP_N3 GP_P4 AUX_IO_P3 VCCIO_1 GP_N4 AUX_IO_N3 UI_Q_P17 AUX_IO_P2 AUX_IO_N2 UI_Q_N17 VCCIO_1 UI_Q_P16 UI_Q_P15 OPTIONAL1 BO_TYPE0 UI_Q_N16 UI_Q_N15 OPTIONAL2 BO_TYPE1 UI_Q_P14 UI_Q_P13 VCCIO_1 UI_Q_N14 UI_Q_N13 OPTIONAL3 BO_TYPE2 UI_Q_P12 UI_Q_P11 UI_Q_N12 UI_Q_N11...
  • Page 393 FRONT VI EW M GT_NC M GT_NC OPTI ONAL2 D_CLK_UI N_N BOB_SENS AGND OPTI ONAL1 D_CLK_UI N_P GP_P5 GP_P3 GP_N5 GP_N3 VCCI O_1 GP_P4 AUX_IO_P3 GP_N4 AUX_IO_N3 UI _Q_P17 AUX_IO_P2 VCCI O_1 UI _Q_N17 AUX_IO_N2 OPTI ONAL1 BO_TYPE0 UI _Q_P16 UI _Q_P15 OPTI ONAL2 BO_TYPE1...
  • Page 394 FRONT VIEW MGT_NC MGT_NC OPTIONAL2 D_CLK_UIN_N BOB_SENS AGND OPTIONAL1 D_CLK_UIN_P VCCIO_1 VCCIO_1 OPTIONAL1 BO_TYPE0 UI_Q_P15 OPTIONAL2 BO_TYPE1 UI_Q_P14 UI_Q_P13 VCCIO_1 OPTIONAL3 BO_TYPE2 UI_Q_P12 UI_Q_P11 UI_Q_P10 UI_Q_P9 UI_Q_P8 UI_Q_P7 UI_Q_P6 UI_Q_P5 UI_Q_P4 UI_Q_P3 UI_Q_P2 UI_Q_P1 UI_I_P0 UI_I_P1 UI_I_P2 UI_Q_P0 UI_VALID_P UI_I_P3 UI_I_P4 UI_I_P5 D_CLK_UOUT_P...
  • Page 395 ® List of Commands R&S EX-IQ-BOX List of Commands *CLS​ ................................236 *IDN?​ ................................237 *OPC​ ................................237 *OPT?​ ................................237 *RCL​ ................................238 *RST​ ................................238 *SAV​ ................................238 :​ D IAGnostic:​ E BOX:​ C ATalog?​ ........................244 :​ D IAGnostic:​ E BOX:​ C PRI:​ E XECute​ .......................245 :​...
  • Page 396 ® List of Commands R&S EX-IQ-BOX SOURce:​ R ECeiver:​ D RATe​ ..........................263 SOURce:​ R ECeiver:​ F ORMat​ ..........................264 SOURce:​ R ECeiver:​ I LEaving​ .........................265 SOURce:​ R ECeiver:​ L OGictype​ ........................259 SOURce:​ R ECeiver:​ S CRatio​ ..........................271 SOURce:​...
  • Page 397 ® List of Commands R&S EX-IQ-BOX [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ C M:​ E TH:​ P TR?​ ....................293 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ C M:​ E TH:​ S TATe​ .....................293 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ C M:​ H DLC:​ A CTive?​ ..................293 [:​...
  • Page 398 ® List of Commands R&S EX-IQ-BOX [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ L 1:​ R X:​ L OCal:​ L OS?​ ..................312 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ L 1:​ R X:​ L OCal:​ R AI?​ ..................313 [:​...

  • Page 399: Index

    ® List of Commands R&S EX-IQ-BOX [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ T X|RX:​ A PPLy​ ....................333 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ T X|RX:​ A XC:​ C OUNt?​ ..................333 [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ T X|RX:​ A XC<ch0>:​ B ADDress​ .................334 [:​...
  • Page 400 ® List of Commands R&S EX-IQ-BOX [:​ S OURce<hw>]:​ E BOX:​ C PRI:​ V ERSion?​ .......................316 [:​ S OURce<hw>]:​ E BOX:​ D EVice:​ B OARd:​ P ART?​ ...................242 [:​ S OURce<hw>]:​ E BOX:​ D EVice:​ B OARd:​ R EVision?​ ..................242 [:​...
  • Page 401 ® List of Commands R&S EX-IQ-BOX [:​ S OURce<hw>]:​ E BOX:​ U SER:​ L OGic[:​ T YPE]​ ....................259 [:​ S OURce<hw>]:​ E BOX:​ U SER:​ P RESet​ ......................260 [:​ S OURce<hw>]:​ E BOX:​ U SER:​ S CRatio​ ......................271 [:​...
  • Page 402 ® List of Commands R&S EX-IQ-BOX [:​ S OURce<hw>]:​ I Q:​ O UTPut:​ E XTernal:​ D ATA:​ S TYPe​ ...................276 [:​ S OURce<hw>]:​ I Q:​ O UTPut:​ E XTernal:​ D ATA:​ T YPE​ ..................277 [:​ S OURce<hw>]:​ I Q:​ O UTPut:​ E XTernal:​ D IRection​ ..................258 [:​...
  • Page 403 ® Index R&S EX-IQ-BOX Index Symbols ARB settings CPRI ................ 205 2's complement ARB signal conflict CPRI ..............177, 346 CPRI ..............173, 338 2's complement 9E2 ARB subsystem CPRI ..............177, 346 CPRI ................ 287 3GPP FDD ARB toolbox CPRI standard ..........
  • Page 404 WinIQSIM2 ......23 SPI ................125 Digital standards with WinIQSIM2 ......206 Clock in skew R&S EX-IQ-BOX ............21 DigIConf ..............118 R&S instruments ............25 Clock In skew ..............118 single ended breakout board ........21 Clock phase ............
  • Page 405 ® Index R&S EX-IQ-BOX DUT ................42 AxC(s) assigned ............339 power supply ............ 42, 144 AxC(s) signal assigned ..........181 REF IN ..............42 AxC allocation ..........180, 339 USB ................42 AxC Container Definition ........186 Connector AxC group pattern ..........183 CPRI Ethernet ............
  • Page 406 Events ..............169 High speed serial switch .......... 159 execute (Ethernet) ..........292 Host fast C&M ............199 EX-IQ-BOX board revision ......154, 300 hyper frame ............133 Fast C&M ..............197 I/Q data interleaving ..........187 Fast C&M clear ............200 I/Q recorder ............
  • Page 407 ® Index R&S EX-IQ-BOX PLL status LED ............141 Set to default ............152 Port fast C&M ............199 SFP1 output ............304 PRBS ..............173 SFP2 output ............304 PRBS RX state ............324 SFP bit rate .............. 204 PRBS Tx state ............
  • Page 408 ® Index R&S EX-IQ-BOX TX level adjustment ..........310 CPRI SFP ..............142 Uplink .............. 170, 329 connector ..............142 Vendor data ..........200, 203, 352 interface ..............142 vendor data downlink CPRI RE ......353 CPRI standard Vendor data downlink CPRI RE ......201 3GPP FDD ............
  • Page 409 CPRI ................ 174 Device ID ..............67 Digital baseband input ............ 32 Enter license key ............68 Digital baseband output ..........32 EX-IQ-BOX device ............ 66 Digital interface Export license key ............ 68 I/Q IN ................ 32 Hardware ..............66 I/Q OUT ..............
  • Page 410 ..............268 signal type .............. 276 clock source ............270 word alignment ............272 data type ..............277 EX-IQ-BOX BBOUT ..........99, 258 I/Q Polarity .............. 275 bit order ..............110 Logic Type .............. 259 C&M data ..............125 numeric format ............
  • Page 411 ..........113, 275 CPRI ................ 140 strobe position ..........114, 276 Getting started ..............26 word alignment ............109 connecting the EX-IQ-BOX ........42 word size ............109, 275 control elements and connectors ......29 Export license key Installing DigIConf ............ 34 Device manager ............
  • Page 412 Group repetition DIG I/Q OUT labeled symbol, generator ....85 CPRI ................ 183 ExBox status parameters, analyzer ......90 Group table EX-IQ-BOX labeled symbol, generator ...... 85 CPRI ..............183, 186 EX-IQ-Box Setttings, generator ........ 85 GSM/EDGE EXIQ hotkey .............. 90 CPRI standard ..........
  • Page 413 ® Index R&S EX-IQ-BOX CPRI TX/RX ............142 Logic type LAN ................33 CMOS ................ 99 Interfaces ..............355 DigIConf ............99, 259 Interleaving ............104, 265 LVDS ................ 99 DigIConf ............104, 265 LVTTL ................ 99 I/Q Interleaved ..........104, 265 SSI ................
  • Page 414 ........21 Preset ................100 EDGE Evolution ............23 CPRI ..............152, 315 EUTRA/LTE .............. 23 DigIConf ..............260 EX-IQ-BOX .............. 250 Protocol commands GSM/EDGE .............. 23 user defined ............263 HSPA+ ..............23 Protocol settings ............100 IEEE 802.11n (WLAN-N) ..........
  • Page 415 ............74 CPRI ................ 310 Recording length RX test CPRI ................ 209 EX-IQ-BOX BBIN - IQ words ......124, 279 Recording memory ............19 EX-IQ-BOX BBIN - Rx BER ......124, 277 Recording status EX-IQ-BOX BBIN - signal ........ 123, 278 CPRI recorder ............
  • Page 416 CPRI Rx alarms ............166 CPRI GPIO ............162, 302 Remote ..............169 Signal low SDR ................258 CPRI GPIO ............162, 302 Select EX-IQ-BOX ..........244, 251 Signal name diagnostic ..............248 CPRI ..............173, 346 Select type Signal output receiver ..............
  • Page 417 DigIConf controlling the EX-IQ-BOX ......14 Enable automatic gain ..........125 hardware components ..........25 Gain file ..............125 R&S instrument controlling the EX-IQ-BOX ....16 Late frame sync ............125 receiver mode ............14 Word size ..............124 transmitter mode ..........14, 16 SSI subsystem User defined ............
  • Page 418 CPRI REC downlink ........201, 353 EX-IQ-BOX BBIN - signal ........ 121, 279 CPRI REC uplink ..........201, 353 EX-IQ-BOX BBIN - sine amplitude ....123, 280 CPRI RE downlink .......... 201, 353 EX-IQ-BOX BBIN - sine frequency ....123, 281 CPRI RE uplink ..........

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