Rohde & Schwarz ZN-Z85 User Manual
  1. Manuals
  2. Brands
  3. Rohde & Schwarz Manuals
  4. Matrix Switcher
  5. ZN-Z85
  6. User manual
Rohde & Schwarz ZN-Z85 User Manual

Rohde & Schwarz ZN-Z85 User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
®
R&S
ZN-Z85
Switch Matrix
User Manual
(=J`C2)
1326481902
Version 03

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ZN-Z85 and is the answer not in the manual?

Questions and answers

Related Manuals for Rohde & Schwarz ZN-Z85

Summary of Contents for Rohde & Schwarz ZN-Z85

  • Page 1 ® R&S ZN-Z85 Switch Matrix User Manual (=J`C2) 1326481902 Version 03...
  • Page 2 ZN-Z85 Base Unit and port extension option: ● Variant 02 ® – R&S ZN-Z85 "Matrix Base Unit 2x6, SMA (f), 10 MHz to 20 GHz", order no. 1326.4777.02 ® – R&S ZN-Z85-B24 "Additional Test Ports 7-12, 4 VNA Ports", order no.

  • Page 3: Table Of Contents

    ® Contents R&S ZN-Z85 Contents 1 Safety and regulatory information........7 1.1 Safety instructions................7 1.2 Labels on the product................ 10 1.3 Warning messages in the documentation........11 1.4 Korea certification class B..............11 2 Introduction................12 2.1 Base unit and optional port extension..........12 2.2 About this manual................12...
  • Page 4 ® Contents R&S ZN-Z85 5.3 Switch matrix 4x12 (with R&S ZN-Z85-B24)........28 6 Application................29 6.1 Matrix setup and operation at the R&S ZNx........30 6.2 RF connections and matrix connectivity..........30 6.3 Multiple paths: precision versus speed..........32 7 Operation................34 7.1 Basic information on remote control..........34 7.2 Remote control –...
  • Page 5 ® Contents R&S ZN-Z85 A.6 System monitor tab................58 List of commands..............60 Index..................61 User Manual 1326.4819.02 ─ 03...
  • Page 6 ® Contents R&S ZN-Z85 User Manual 1326.4819.02 ─ 03...

  • Page 7: Safety And Regulatory Information

    Use the R&S ZN-Z85 only for its designated purpose. Observe the operating conditions and performance limits stated in the data sheet. Where do I find safety information? Safety information is part of the product documentation.
  • Page 8 ® Safety and regulatory information R&S ZN-Z85 Safety instructions Using the product requires specialists or specially trained personnel. These users also need sound knowledge of at least one of the languages in which the user interfaces and the product documentation are available.
  • Page 9 ® Safety and regulatory information R&S ZN-Z85 Safety instructions If stacking is possible, keep in mind that a stack of products can fall over and cause injury. If you mount products in a rack, ensure that the rack has sufficient load capacity and stability.

  • Page 10: Labels On The Product

    ® Safety and regulatory information R&S ZN-Z85 Labels on the product Cleaning the product Use a dry, lint-free cloth to clean the product. When cleaning, keep in mind that the casing is not waterproof. Do not use liquid cleaning agents.

  • Page 11: Warning Messages In The Documentation

    ® Safety and regulatory information R&S ZN-Z85 Korea certification class B Warning messages in the documentation A warning message points out a risk or danger that you need to be aware of. The signal word indicates the severity of the safety hazard and how likely it will occur if you do not follow the safety precautions.

  • Page 12: Introduction

    ZN-Z85 About this manual Introduction The R&S ZN-Z85 is designed as an external switch matrix for the Rohde & Schwarz vector network analyzers R&S ZNA, R&S ZNB, R&S ZNBT and R&S ZND. With its extended frequency range of 10 MHz to 20 GHz, it is particularly suitable for the R&S ZNB20 models.

  • Page 13: Preparing For Use

    Choosing the operating site Preparing for use The R&S ZN-Z85 is designed as a base unit (2x6 switch matrix) that can be equipped with an optional port extension. The following description applies to both variants. Differences are pointed out explicitly where relevant.

  • Page 14: Setting Up The Product

    ® Preparing for use R&S ZN-Z85 Setting up the product Electromagnetic compatibility classes The electromagnetic compatibility (EMC) class indicates where you can operate the product. The EMC class of the product is given in the data sheet. ● Class B equipment is suitable for use in: –...
  • Page 15 ® Preparing for use R&S ZN-Z85 Setting up the product ● It is best if all products have the same dimensions (width and length). If the products have different dimensions, stack according to size and place the smallest product on top.

  • Page 16: Considerations For Test Setup

    ® Preparing for use R&S ZN-Z85 Considerations for test setup To mount the product in a rack 1. Use an adapter kit to prepare the product for rack mounting. a) Order the 19" rack adapter kit designed for the product. For the order num- ber, see data sheet.

  • Page 17: Connecting To Power

    Connecting external devices The R&S ZN-Z85 is equipped with different interfaces for establishing a remote control connection, typically from a VNA of the R&S ZNA, R&S ZNB, R&S ZNBT and R&S ZND family.
  • Page 18 3.7.2.1 Networks with DHCP The R&S ZN-Z85 is preconfigured to use the dynamic host configuration protocol (DHCP). In such networks, the R&S ZN-Z85 is automatically assigned a free IP address. 3.7.2.2 Static IP configuration With static IP configuration, the static IP configuration data are usually provided by the network administrator.

  • Page 19: Switching On Or Off

    3.7.2.3 Point-to-Point connections Establishing a simple network – a LAN connection between an R&S ZN-Z85 and a computer without integration into a larger network – requires assignment of an IP address for the R&S ZN-Z85 and the computer. Private IP addresses 192.168.xxx.yyy are available for this connection.

  • Page 20: Function Check

    Set the switch on the power supply to position [0]. The LED of the standby key is switched off. 2. Disconnect the product from the power source. Function check The R&S ZN-Z85 automatically monitors the most important instrument functions when it is turned on. User Manual 1326.4819.02 ─ 03...

  • Page 21: Instrument Tour

    Front panel Instrument tour This chapter shows all function keys, control elements and connections on the front and rear panel of the R&S ZN-Z85. Front panel The front panel of the switch matrix provides the administrative area on the left- hand side, and, to its right, the matrix VNA port area (including a USB type B con- nector) and the matrix test port area.
  • Page 22 Serial: 900033 192.168.1.2 BACK link Direct no link Status The miniature display in the upper left-hand corner of the R&S ZN-Z85 provides the following instrument information: ● Serial number Serial ● IP address IP (see Chapter 3.7.2, "LAN", on page 18) ●...
  • Page 23 A colored LED indicates whether the related port is currently used. ● With the R&S ZN-Z85 base unit, only connectors A and B are available. ● With the optional 4-VNA-port extension R&S ZN-Z85-B24, connectors C and D are added.

  • Page 24: Rear Panel

    See also the notice on EMI Suppression below (see Chapter 3.5, "Con- siderations for test setup", on page 16). Rear panel This section shows all interfaces on the back of the R&S ZN-Z85. Figure 4-2: R&S ZN-Z85 rear view Table 4-1: Rear panel elements Index Label Description...
  • Page 25 ® Instrument tour R&S ZN-Z85 Rear panel Index Label Description Power switch MICRO Micro SD card slot See the R&S ZN-Z85 data sheet for interface specification details. User Manual 1326.4819.02 ─ 03...

  • Page 26: Instrument Functions

    Switch module 2x6 Instrument functions The single function of a switch matrix R&S ZN-Z85 is to dynamically establish RF connections between its VNA ports (statically connected to the RF ports of the VNA) and its test ports (statically connected to the DUT), applying a passive load match to currently unconnected ports.

  • Page 27: Base Unit 2X6

    Figure 5-1: Switch module 2x6 To prevent reflections caused by misadjustment, 50 Ω terminating resistors are connected to unused outputs. Base unit 2x6 For a R&S ZN-Z85 Base Unit without extension, the switching functionality is pro- vided by a single Switch module 2x6.

  • Page 28: Switch Matrix 4X12 (With R&S Zn-Z85-B24)

    ® Instrument functions R&S ZN-Z85 Switch matrix 4x12 (with R&S ZN-Z85-B24) 2x6 Module 1 Figure 5-2: Switch matrix 2x6 Switch matrix 4x12 (with R&S ZN-Z85-B24) Option R&S ZN-Z85-B24 adds a second Switch module 2x6, providing two addi- tional physical VNA ports and test ports 7 to 12.

  • Page 29: Application

    Rohde&Schwarz directly. It is fast and easy to set up and operate a switch matrix via the graphical user interface. For example, an R&S ZNB in combination with an R&S ZN-Z85 can seamlessly work as a multi- port network analyzer with up to 12 ports.

  • Page 30: Matrix Setup And Operation At The R&S Znx

    RF connections and matrix connectivity Depending on the expansion stage of the R&S ZN-Z85 and the RF connections between VNA and matrix ● Certain matrix test ports may not be available for measurements ●...
  • Page 31 ZN-Z85 RF connections and matrix connectivity Example: Consider a fully equipped R&S ZN-Z85, where the matrix VNA ports of the left submatrix cannot be connected to the test ports of the right submatrix and vice versa. If none of the two VNA ports of a submatrix is connected, obviously no connection between the VNA and the submatrix's test ports can be established and hence neither reflection nor transmission measurements are possible.

  • Page 32: Multiple Paths: Precision Versus Speed

    VNA and this submatrix is missing, "intra-submatrix" transmission measurements are still impossible. R&S ZNx VNA ports Matrix VNA ports Left 2x6 submatrix Right 2x6 submatrix R&S ZN-Z85 full crossbar full crossbar 4x12 Matrix test ports Transmission measurement … not possible …...
  • Page 33 To see the difference between the two optimizations, again consider a DUT with 6 unbalanced ports, connected to a 2-port analyzer via the R&S ZN-Z85 base unit without extension. If all S-parameters shall be measured, at least 6*5/2 succes- sive matrix switching procedures are required (one for each pair of test ports) and the speed optimization would choose one of these minimum solutions.

  • Page 34: Operation

    Basic information on remote control This chapter contains basic information on remote control of the switch matrix R&S ZN-Z85. It contains instructions for setting up the instrument for remote con- trol and a brief description of the status register. User Manual 1326.4819.02 ─ 03...
  • Page 35 ® Operation R&S ZN-Z85 Basic information on remote control 7.1.1 Interfaces and protocols The instrument has different interfaces for remote control. The following table pro- vides an overview: Table 7-1: Remote control interfaces and protocols Interface Comments On the back of the instrument, there is a type B USB interface (slave) for communication with the master device.
  • Page 36 Responses are messages that the instrument transmits to the controller after a query command. Responses contain measurement results, instrument settings or status information on the instrument. You find detailed descriptions of the commands for controlling the R&S ZN-Z85 in Chapter 7.2, "Remote control – commands", on page 38.
  • Page 37 ® Operation R&S ZN-Z85 Basic information on remote control ● The instrument's 6-digit serial number (see mini display or label on the back of the instrument) 7.1.1.3 LAN interface The instrument is equipped with a LAN interface to enable integration into a local area network (LAN).

  • Page 38: Remote Control - Commands

    Remote control – commands This chapter describes all the commands that are relevant for remote control of the switch matrix R&S ZN-Z85. The "List of Commands" at the end of the manual contains all commands in alphabetic order. Tips and tricks for operation ...
  • Page 39 Usage: Event SYSTem:CLEar Clears the error memory. Usage: Event SYSTem:ERRor? Queries the R&S ZN-Z85 for a list of errors. Return values: <ErrCodes> A list of error numbers (see table below) Usage: Query only User Manual 1326.4819.02 ─ 03...
  • Page 40 ® Operation R&S ZN-Z85 Remote control – commands Table 7-2: R&S ZN-Z85 error codes Error code Error string Description ZNZ85_STATUS_OK ZNZ85_STA- unknown extension module TUS_UNKNOWN_OPT ZNZ85_STA- extension module does not TUS_OPT_ERROR match available option codes ZNZ85_STA- cannot read from FPGA regis-...
  • Page 41 <opt> is the option characterizing the expansion stage: 02 or 03 for the Base Unit without expansion (order no. 1326.4777.02 for R&S ZN-Z85 variant 02, 1326.4777.03 for variant 03), 24 or 26 with the 4x12 expansion (order no. 1326.4831.24 for R&S ZN-Z85 variant 02, 1326.4831.26 for R&S ZN-Z85 variant 03).
  • Page 42 ® Operation R&S ZN-Z85 Remote control – commands Manual operation: "Identification String" on page 55 *OPT? OPTION IDENTIFICATION QUERY queries the options contained in the instru- ment and returns a list of the installed options. Return values: <options> "/"-separated list of options, e.g. Installed Options: Basic/B24 for the 4x12 extension.
  • Page 43 The LAN hostname string (max. 20 characters). The default hostname is ZNZ85X<serial>. Manual operation: "Hostname" on page 57 SHOW:LAN:MAC:ADDRess? Queries the LAN MAC address of the switch matrix R&S ZN-Z85. Return values: <MACAddress> The LAN MAC address in the format xx-xx-xx-xx-xx-xx, e.g. 00-90-b8-1c-95-b9. Usage:...
  • Page 44 SHOW:LAN:GW? Sets/queries the LAN default gateway. Setting is only possible with static IP configuration (SET:LAN:DHCP:OFF). Other- wise the R&S ZN-Z85 answers with a "Deactivate DHCP first!" Note that modified LAN settings are not applied until SET:LAN:INIT on page 45 is executed.
  • Page 45 SHOW:LAN:SNMask? Sets/queries the LAN subnet mask. Setting is only possible with static IP configuration (SET:LAN:DHCP:OFF). Other- wise the R&S ZN-Z85 answers with a "Deactivate DHCP first!" Note that modified LAN settings are not applied until SET:LAN:INIT on page 45 is executed.
  • Page 46 ® Operation R&S ZN-Z85 Remote control – commands If the new route set was successfully created, the SET command returns the cre- ated routes exactly as the query would do. If the new route set is invalid, either because it is empty, involves non-existing ports or contains multiple routes for the same ports, an 1,"ROUTE ERROR"...
  • Page 47 Usage: Query only WRITE:MXINI Writes the current user settings (LAN), to the matrix flash. These settings are loa- ded during instrument startup. Usage: Event Manual operation: "Write all settings to ZN-Z85 (permanent)" on page 58 User Manual 1326.4819.02 ─ 03...

  • Page 48: Maintenance, Storage And Disposal

    R&S ZN-Z85 Disposal Maintenance, storage and disposal The switch matrix R&S ZN-Z85 does not require maintenance at regular intervals. Maintenance work is essentially limited to cleaning the instrument. Cleaning How to clean the product is described in "Cleaning the product"...
  • Page 49 ® Maintenance, storage and disposal R&S ZN-Z85 Disposal Disposing electrical and electronic equipment A product that is labeled as follows cannot be disposed of in normal household waste after it has come to the end of its service life. Even disposal via the munici- pal collection points for waste electrical and electronic equipment is not permitted.

  • Page 50: Transporting

    ® Transporting R&S ZN-Z85 Transporting Lifting and carrying See: ● "Lifting and carrying the product" on page 8 Packing Use the original packaging material. It consists of antistatic wrap for electrostatic protection and packing material designed for the product. If you do not have the original packaging, use similar materials that provide the same level of protection.

  • Page 51: Contacting Customer Support

    ® Contacting customer support R&S ZN-Z85 Contacting customer support Technical support – where and when you need it For quick, expert help with any Rohde & Schwarz product, contact our customer support center. A team of highly qualified engineers provides support and works with you to find a solution to your query on any aspect of the operation, program- ming or applications of Rohde &...

  • Page 52: Annex

    ® ZN-Z8x user tool R&S ZN-Z85 Software installation Annex ZN-Z8x user tool The "ZN-Z8x user" tool offers the following functions: ● Connect to the R&S ZN-Z8x switch matrix via USB – Select a detected switch matrix – Read its identification parameters (extension type, serial number, firmware version) ●...

  • Page 53: Getting Started

    Chapter 3.7.1, "USB", on page 18. When first connected to a particular USB port, the R&S ZN-Z85 is auto-detec- ted by the operating system: Note that the "Generic USB Hub" is only installed if the switch matrix is con- nected via its front USB port (see Chapter 4.1.6, "USB...

  • Page 54: Device Panel

    ® ZN-Z8x user tool R&S ZN-Z85 Device panel The "ZN-Z8x user" tool is started, and automatically connects to the detected switch matrix. Device panel The panel above the tabs allows to select one of the available R&S ZN-Z8x and displays the basic properties of the selected device (extension type, serial num- ber, firmware version).

  • Page 55: Test Tab

    ZN-Z85-<last two digits of highest option>, Serial: <serial number>, Version: <FW version> Remote command: *IDN? Installed Options This line of text lists the options that are installed on a connected R&S ZN-Z85. Remote command: on page 42 *OPT? USB Devices available / Rescan Allows to select one of the detected switch matrices.

  • Page 56: Settings Tab

    ® ZN-Z8x user tool R&S ZN-Z85 Settings tab Selecting a matrix in the Device panel automatically deletes the currently switched routes. Routes / Reset Using the buttons overlaying the RF ports on the picture you can manually create and delete matrix routes. Existing routes are indicated in colors (see "Color VNA...
  • Page 57 R&S ZN-Z85 Settings tab IP Setting Select "DHCP" if the R&S ZN-Z85 receives its IP configuration via DHCP or "Fixed IP" if the IP configuration is assigned manually. Write all settings to ZN-Z85 (permanent) to make the changes persistent. Remote command:...
  • Page 58 System monitor tab Remote command: SHOW:LAN:HOST:NAMe? SET:LAN:HOST:NAMe Apply LAN settings (nonpermanent) Activates the (modified) LAN settings on the matrix. Use the Write all settings to ZN-Z85 (permanent) function to make the changes persistent. Remote command: on page 45 SET:LAN:INIT Brightness Move the slider to modify the brightness of the RF port LEDs.
  • Page 59 ® ZN-Z8x user tool R&S ZN-Z85 System monitor tab Use the "Update" button to retrieve the latest monitoring results from the selected R&S ZN-Z85. User Manual 1326.4819.02 ─ 03...
  • Page 60 ® List of commands R&S ZN-Z85 List of commands *IDN?............................41 *OPT?............................42 *RST.............................39 *SERial?............................42 HANDshake:OFF......................... 39 HANDshake:ON........................... 39 HANDshake?..........................38 ROUTe............................45 SET:LAN:DHCP:OFF........................44 SET:LAN:DHCP:ON........................44 SET:LAN:GW..........................44 SET:LAN:HOST:NAMe......................... 43 SET:LAN:INIT..........................45 SET:LAN:IP..........................44 SET:LAN:SNMask........................45 SHOW:DIRectcon:STATus?......................47 SHOW:LAN:DHCP?........................43 SHOW:LAN:GW?......................... 44 SHOW:LAN:HOST:NAMe?......................43 SHOW:LAN:IP?..........................44...
  • Page 61 ® Index R&S ZN-Z85 Index Symbols *IDN ............41 Matrix test ports ........23 *OPT ............42 Matrix VNA ports ........23 *RST ............39 Micro SD ..........24 *SERial ............ 42 Mini display ..........22 Customer support ........51 Option Highest ..........41 List ............

This manual is also suitable for:

Zn-z85-b24

Table of Contents