Pickering LXI 50 User Manual
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Pickering LXI 50 User Manual

Microwave multiplexer
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60-891-001 User Manual
LXI 50Ω Microwave Multiplexer
pickeringtest.com
Issue 1.0 June 2020

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Summary of Contents for Pickering LXI 50

  • Page 1 60-891-001 User Manual LXI 50Ω Microwave Multiplexer pickeringtest.com Issue 1.0 June 2020...
  • Page 2 © COPYRIGHT (2020) PICKERING INTERFACES. ALL RIGHTS RESERVED. No part of this publication may be reproduced, transmitted, transcribed, translated or stored in any form, or by any means without the written permission of Pickering Interfaces. Technical details contained within this publication are subject to change without notice.
  • Page 3 Pickering Interfaces strives to fulfil all relevant environmental laws and regulations and reduce wastes and releases to the environment. Pickering Interfaces aims to design and operate products in a way that protects the environment and the health and safety of its employees, customers and the public. Pickering Interfaces endeavours to develop and manufacture products that can be produced, distributed, used and recycled, or disposed of, in a safe and environmentally friendly manner.

  • Page 4: Product Safety

    If this product is heavy reference should be made to the safety instructions for provisions of lifting and moving. STATIC SENSITIVE To indicate that static sensitive devices are present and handling precautions should be followed. REED RELAY MODULE 40-110/115/120/125 LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page (IV) Page (IV)

  • Page 5: Table Of Contents

    Section 6 Trouble Shooting .................6.1 LXI Status Indicators ............6.1 LAN Reset .................6.2 Section 7 Maintenance Information ............7.1 Microwave Multiplexer Parts List ........7.2 General Maintenance ............7.5 Appendix A Fitting Rack Mounting Flanges ..........A.1 LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page (V)
  • Page 6 THIS PAGE INTENTIONALLY BLANK LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page (VI)

  • Page 7: Warnings And Cautions

    I/O signals that may be present. Blanking panels are available to order from Pickering. If the product is not used in this manner for example by using an extender card then additional care must be taken to avoid contact with exposed signals.
  • Page 8 5/16 inch wrench. This should be 3-5 in·lbs (0.3 to 0.6 N·m) for brass, and 7-10 in·lbs CONNECTORS OR CABLE ASSEMBLIES THAT ENSURE OPERATORS WILL NOT (0.8–1.1 N·m) for stainless steel connectors. INADVERTENTLY COME IN CONTACT WITH HIGH VOLTAGES. LXI HIGH VOLTAGE 2-POLE MATRIX 60-310 Page viii LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page (VIII)

  • Page 9: Technical Specification

    Other Microwave Switching Configurations We are able to offer other microwave switching solutions, if you have a custom requirement please contact your Pickering sales representative. Schematic Diagram for the 60-891-001 36-Channel Multiplexer - Default Switch Position Shown pickeringtest.com...
  • Page 10 SECTION 1 - TECHNICAL SPECIFICATION pickering Specifications LXI 50Ω Microwave Multiplexer – 60-891-001 RF Specification for 60-891-001-001 (SMA 18GHz Version) Characteristic Impedance: 50Ω Bandwidth DC to 18GHz Maximum Power: 240W (0 - 3GHz) 150W (3 - 8GHz) 120W (8 - 12.4GHz) 100W (12.4 - 18GHz)
  • Page 11 SECTION 1 - TECHNICAL SPECIFICATION pickering Specifications LXI 50Ω Microwave Multiplexer – 60-891-001 RF Specification for 60-891-001-002 (BNC 4GHz Version) Characteristic Impedance: 50Ω Bandwidth DC to 4GHz Maximum Power: 150W (0 - 1GHz) 70W (1 - 4GHz) Isolation: Typically >75dB to 4GHz Insertion Loss: Typically <1.5dB to 4GHz...
  • Page 12 SECTION 1 - TECHNICAL SPECIFICATION pickering Specifications LXI 50Ω Microwave Multiplexer – 60-891-001 Mechanical Characteristics General Multiplexer Information Supplied with front panel ears to enable rack mounting on a shelf or Configuration: 36 to 1 Microwave Multiplexer. other rear support mechanism.
  • Page 13 Product Customization Pickering LXI units are designed and manufactured on our own flexible manufacturing lines, giving complete product control and enabling simple customization to meet very specific requirements.
  • Page 14 We provide a full range of supporting cable and connector solutions for all our switching products—20 connector families with 1200+ products. We offer everything from simple mating connectors to complex cables assemblies and terminal blocks. All assemblies are manufactured by Pickering and are guaranteed to mechanically and electrically mate to our modules. Connectors & Backshells...
  • Page 15 Signal Routing Software Our signal routing software, Switch Path Manager, automatically selects and energizes switch paths through Pickering switching systems. Signal routing is performed by simply defining test system endpoints to be connected together, greatly accelerating Test System software development.
  • Page 16 SECTION 1 - TECHNICAL SPECIFICATION pickering THIS PAGE INTENTIONALLY BLANK LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 1.8...

  • Page 17: Technical Description

    Ethernet address. Programming documentation for the unit as well as data for Pickering’s other LXI compatible switching products is stored in the embedded processor and can be downloaded over the LAN interface. LXI Status LEDs on the front of the chassis indicate the condition of the unit and the LAN connection.
  • Page 18 Channel 31 Microwave Switch 7 Channel 32 Channel 33 Channel 34 Channel 35 Channel 36 Figure 2-2. Switching Diagram for the 60-891-001 36-Channel Microwave Multiplexer Showing “Tree” Configuration of SP6T Microwave Switches LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 2.2...

  • Page 19: Installation

    The product is designed for indoor use only. PREOPERATION CHECKS (UNPACKING) 1. Check the module for transport damage and report any damage immediately to Pickering Interfaces. Do not attempt to install the product if any damage is evident. 2. Ensure that the designated area for the product is of a flat and solid construction to support its weight.

  • Page 20: Setting The Ip Address

    Incorrect setting will result in a loss of communication and may also be indicated by a red LAN LED on the front panel. If this does occur press and hold the LAN Reset button on the back panel of the device for a full factory reset (see Section 6 “Troubleshooting” for details). LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 3.2...

  • Page 21: Installing The Software

    SECTION 3 - INSTALLATION pickering Figure 3-4. Example configuration window used to manually set the IP address of a Pickering LXI device INSTALLING THE SOFTWARE From the device web page, select ‘Driver Download’ from the menu at the left of the page. This will retrieve the driver from the instrument and install it on your PC.
  • Page 22 SECTION 3 - INSTALLATION pickering THIS PAGE INTENTIONALLY BLANK LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 3.4...

  • Page 23: Programming Guide

    SECTION 4 - PROGRAMMING GUIDE PROGRAMMING OPTIONS FOR PICKERING INTERFACES LXI UNITS For information on the installation and use of drivers and the programming of Pickering’s products in various software environments, please refer to the Software User Manual. This is available as a download from: https://www.pickeringtest.com/support/software-drivers-and-downloads...

  • Page 24: Programming The 60-891-001

    The Direct I/O driver is composed of a suite of separate libraries which interact to provide full control of a Pickering LXI unit. In the case of a switch card the communications library picmlx, and the switching library piplx, are needed.
  • Page 25 Disconnect function. The following code snippet demonstrates the minimum steps required to operate a switch on a Pickering LXI unit. Firstly a device session is opened on the card located at bus 0, device 20 inside the LXI unit located at 192.168.1.100.
  • Page 26 The implementation of a MUX switch in the Pickering driver ch14 ch15 requires explicit disconnection of a previously connected path ch16 before a new path may be selected.
  • Page 27 SSH (Secure SHell) Interface Refer to the section “Command Line Control of Pickering LXI Instruments” on the following pages for details of how to open this interface and general information on the command set available. After opening an SSH session the 60-891-001 is controlled as follows: To select a multiplexer sub-unit on the LXI unit (card 1), type AD followed by the card number and sub-unit number eg: AD 1 2 (this will select multiplexer bank 2).

  • Page 28: Command Line Control

    LXI instrument from the Windows utility PILMon and provides identical functionality. Enabling the Command Line Control Utility Pickering LXI devices do not provide an SSH server in the normal configuration state, the service must be explicitly enabled.
  • Page 29 SECTION 4 - PROGRAMMING GUIDE pickering Step 2 - Enable the SSH server Select the Diagnostics page from the main menu LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 4.7...
  • Page 30 LAN Reset button located at the rear of the device in the appropriate manner, refer to Section 7 of this manual for details of this process. Disabling security will stop the SSH service. LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 4.8...
  • Page 31 First start up the SSH client and enter the IP address of the LXI device. The user will be prompted for a login name and password. The username for instrument control is ‘sshuser’, the password is that defined by the user when setting security. LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 4.9...
  • Page 32 Before attempting to control a card it is important to understand the switch architecture of that card and to know how to address the required switch. Each Pickering switch card is represented as a set of one or more sub-units, each sub-unit containing one or more switches.
  • Page 33 In the case of matrix sub-units, the XC and XO commands are useful, obviating the need for the user to calculate the bit position for a crosspoint in the matrix by allowing a point to be addressed by row and column address. LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 4.11...
  • Page 34 = UNMASK|MASK an individual output MB <bit_pattern> = set OUTPUT sub-unit mask (to hex bit-pattern) = view sub-unit output mask (as hex bit-pattern) = take control of all Pickering switch cards = release control of all Pickering switch cards VO <bus> <slot> = open card at specified location VC <card>...

  • Page 35: Using The Soft Front Panel

    Indicates cursor/pointer position on graphical interface. Figure 4-4. Example Description of a Soft Front Panel for a Multi-Channel Multiplexer LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 4.13...
  • Page 36 SECTION 4 - PROGRAMMING GUIDE pickering THIS PAGE INTENTIONALLY BLANK LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 4.14...

  • Page 37: Connections

    This should be 3-5 in·lbs (0.3 to 0.6 N·m) for brass, and 7-10 in·lbs (0.8–1.1 N·m) for stainless steel connectors. Figure 5-1. Front Panel Layout for the 60-891-001-002 LXI 36-Channel Microwave Multiplexer LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 5.1...
  • Page 38 Reset Button Service Port (for Pickering diagnostics only) IP Address Display Air Outlet Air Outlet Power Switch Fuses Mains Inlet Figure 5-2. Rear Panel Layout for the 60-891-001 LXI 36-Channel Microwave Multiplexer LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 5.2...

  • Page 39: Trouble Shooting

    Refer to the Warnings and Cautions at the front of this manual INSTALLATION PROBLEMS The Plug & Play functionality of Pickering switching products generally ensures trouble-free installation. If you do experience any installation problems you should first ensure that all cables are properly connected.

  • Page 40: Lan Reset

    Q All of my device’s lights are on, why don’t I see a green Ready light, even after a few minutes? Your device has a fault, contact your local sales office. Please contact your local Pickering Interfaces sales office for any further support or email: Lxisupport@pickeringtest.com You can also visit our website for product updates, help and downloadable materials at: http://www.pickeringtest.com...

  • Page 41: Maintenance Information

    PCB. The tables can be used in the fault finding process and should be used in conjunction with the corresponding PCB layout diagrams to identify the position of faulty relays. LXI HIGH DENSITY EMR MATRIX 60-550/551 LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.1 Page 7.1...

  • Page 42: Microwave Multiplexer Parts List

    Power Supplies and a Microcontroller assembly. The following pages provide a parts list and internal layout for the PCBs and sub-assemblies that make up the LXI Microwave Multiplexer. Figure 7-1. 60-891-001-002 Microwave Multiplexer - BNC Version With Top Cover Removed LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.2...
  • Page 43 Ribbon Cable: Driver Board to Driver Board 26-pin C-CN-822 Ribbon Cable: LXI Status LED Board to 16-pin C-CN-951 Microcontroller Board Cooling Fan Assembly 12V DC, 60mm, C-MS-630 Aerco 15mm thick AD0612HB-D73GL Cooling Fan Controller Board PCB 619 A-MS-619 LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.3...
  • Page 44 6 Positions Front Panel Signal Connectors in 37 Positions (SMA to SMA Adaptors for 60-890-001-001, SMA to BNC Adaptors for 60-890-001-002) Figure 7-2. 60-891-001 LXI Microwave Multiplexer - Internal Module Layout LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.4...

  • Page 45: General Maintenance

    Relay Drivers and Microwave Relays. • Power Supplies and Power Distribution. Figure 7.3 provides a diagram of how the PCBs are interconnected and gives Pickering part numbers for the various assemblies. Microcontroller and LAN Interface The microcontroller assembly performs the control functions for the unit and provides interfaces to the external ethernet connection and the relay driver boards.
  • Page 46 The speed of the fans is regulated by a Fan Controller board which is supplied with +12V from the A-PC-650 DC Distribution Board. LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.6...
  • Page 47 Switch 990) Power Connector and Switch (C-CN-1195) Relay With Fuse Drawer Assy (C-CN-1196) (A-PC SP6T Switch -894) 60-891-001 Chassis Mains Power Input Figure 7-3. 60-891-001 LXI 36-Channel Microwave Multiplexer - Internal Wiring LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.7...
  • Page 48 SECTION 7 - MAINTENANCE INFORMATION pickering THIS PAGE INTENTIONALLY BLANK LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page 7.8...

  • Page 49: Fitting Rack Mounting Flanges

    APPENDIX A - FITTING RACK MOUNTING FLANGES Pickering’s LXI devices are supplied with mounting flanges to enable fitting into a standard 19 inch rack. The following procedure describes the attachment of the flanges to the unit’s side extrusions, a No.1 cross head screwdriver will be required.
  • Page 50 APPENDIX A - FITTING RACK MOUNTING FLANGES pickering THIS PAGE INTENTIONALLY BLANK LXI 50Ω 36-CHANNEL MICROWAVE MULTIPLEXER 60-891-001 Page A.2...

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