Racal Instruments 1258 Manual

100 mhz switching matrix
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100 MHz SWITCHING
Tel: (800) 722-2528, (949) 859-8999; Fax: (949) 859-7139
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Tel: +33 (0)1 39 23 22 22; Fax: +33 (0)1 39 23 22 25
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Tel: +44 (0) 1202 872800; Fax: +44 (0) 1202 870810
Tel: +39 (0)2 6123 901; Fax: +39 (0)2 6129 3606
Racal Instruments Group Limited, Technologie Park, D-51429 Bergisch Gladbach, Germany
PUBLICATION DATE: February 08, 2005
Copyright 2005 by Racal Instruments, Inc. Printed in the United States of America. All rights reserved.
This book or parts thereof may not be reproduced in any form without written permission of the publisher.
MATRIX
MODEL 1258
PUBLICATION NO. 980881
RACAL INSTRUMENTS
United States
(Corporate Headquarters and Service Center)
4 Goodyear Street, Irvine, CA 92618
Tel: (210) 699-6799; Fax: (210) 699-8857
Europe
(European Headquarters and Service Center)
18 Avenue Dutartre, 78150 LeChesnay, France
Via Milazzo 25, 20092 Cinisello B, Milan, Italy
Tel: +49 2204 844205; Fax: +49 2204 844219
info@racalinstruments.com
sales@racalinstruments.com
helpdesk@racalinstruments.com
http://www.racalinstruments.com
info@racalinstruments.de
www.racalinstruments.de

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Summary of Contents for Racal Instruments 1258

  • Page 1 PUBLICATION DATE: February 08, 2005 Copyright 2005 by Racal Instruments, Inc. Printed in the United States of America. All rights reserved. This book or parts thereof may not be reproduced in any form without written permission of the publisher.
  • Page 2 THANK YOU FOR PURCHASING THIS RACAL INSTRUMENTS PRODUCT. For this product, or any other Racal Instruments product that incorporates software drivers, you may access our web site to verify and/or download the latest driver versions. The web address for driver downloads is: http://www.racalinstruments.com/downloads...
  • Page 3 Authorization is required from Racal Instruments before you send us your product for service or calibration. Call your nearest Racal Instruments support facility. A list is located on the last page of this manual. If you are unsure where to call, contact Racal Instruments, Inc. Customer Support Department in Irvine, California, USA at 1-800-722-3262 or 1-949-859-8999 or via fax at 1-949-859-7139.
  • Page 4 FOR YOUR SAFETY Before undertaking any troubleshooting, maintenance or exploratory procedure, read carefully the WARNINGS and CAUTION notices. This equipment contains voltage hazardous to human life and safety, and is capable of inflicting personal injury. If this instrument is to be powered from the AC line (mains) through an autotransformer, ensure the common connector is connected to the neutral (earth pole) of the power supply.
  • Page 6 This page was left intentionally blank.
  • Page 7: Table Of Contents

    Table of Contents Chapter 1 ..........................1-1 SYSTEM SPECIFICATION......................1-1 General Description........................1-1 Purpose Of Equipment ......................1-1 Features........................... 1-2 Key Features........................1-2 Specifications ........................1-2 Mechanical..........................1-6 Applicable Documents ......................1-6 Chapter 2 ..........................2-1 INSTALLATION INSTRUCTIONS....................2-1 Unpacking, Inspection and Handling................... 2-1 Reshipment Instructions......................
  • Page 8 Ethernet Configuration......................4-6 IEEE-488 (GPIB) Configuration...................4-6 RS-232 Serial Configuration....................4-6 Configuring Operating Modes....................4-7 MultiConnect Mode ......................4-7 PowerUp Configuration ......................4-7 AutoUpdate ..........................4-7 Configuring Miscellaneous Modes....................4-8 Sound...........................4-8 Display Brightness .......................4-8 Color.............................4-8 Using the Test/Diagnostic Mode....................4-8 Test/Diagnostic Mode ......................4-8 Remote Operation ........................4-9 Interface Configuration ......................4-9 Commands and Queries......................4-9 Disconnect commands (OPEN) ..................4-11...
  • Page 9 Appendix A .......................... A-1 CONNECTORS ..........................A-2 Appendix B .......................... B-1 DEFINITIONS ..........................B-1...
  • Page 10 List of Figures Figure 1-1. Model 1258 Switching Matrix..................1-1 Figure 1-2. Frequency Response ....................1-4 Figure 1-3. Adjacent (Input) Channel Crosstalk vs. Frequency ............1-4 Figure 1-4. Adjacent (Output) Channel Crosstalk vs. Frequency ...........1-4 Figure 1-5. Adjacent (Throughput) Channel Crosstalk vs. Frequency..........1-4 Figure 1-6.
  • Page 11: Chapter 1

    1258 User Manual Chapter 1 SYSTEM SPECIFICATION The 1258 is a solid-state switching system capable of routing DC- General 100MHz signals. A high-speed embedded controller provides fast Description routing of signals and ease of operation. The solid-state non- blocking switching logic offers maximum signal isolation and low noise.
  • Page 12: Features

    1258 User Manual Features Solid State Non-Blocking Switch with full fan-out Key Features 64 Input x 16 Output, expandable to 64 input x 64 output in 16 output increments Frequency Response: 100 MHz Bandwidth Crosstalk Isolation: -60dB @ 5MHz (200mVp-p)
  • Page 13 1258 User Manual AC CHARACTERISTICS Parameter Conditions Limit Units Typ. Dynamic Performance Bandwidth -3dB 200 mV p-p, R = 50Ω 1 V p-p, R = 50Ω 2 V p-p, R = 50Ω Slew Rate 2 V Step, R = 50Ω...
  • Page 14: Figure 1-2 Frequency Response

    1258 User Manual = 200mVp-p = 50 Ω = 200mVp-p = 50 Ω Channels 17-32 Channels 1-16 Channels 33-48 1000 FREQUENCY - MHz Channels 49-64 1000 Figure 1-2 Frequency Response FREQUENCY - MHz Figure 1-3. Adjacent (Input) Channel Crosstalk vs. Frequency...
  • Page 15: Figure 1-6 Off Isolation, Input-Output

    1258 User Manual = 50Ω Vin = 2Vp-p Vin = 200mVp-p -100 -105 -110 -115 -120 -125 1000 FREQUENCY - MHz Figure 1-6 Off Isolation, Input-Output Figure 1-7. 2Vp-p Source Figure 1-8. Step Response for 2Vp-p Racal Instruments © 2005...
  • Page 16: Mechanical

    1258 User Manual The 1258 is contained in a metal chassis with an outside Mechanical dimension 16.5 inches wide by 19.5 inches deep by 3.5 inches high. The front panel is 19 inches wide by 3.5 inches high and includes four oval holes for rack mounting and a handle at each end.
  • Page 17: Chapter 2

    1258 User Manual Chapter 2 INSTALLATION INSTRUCTIONS CAUTION Unpacking, ESD sensitive devices, open the instrument at an ESD Inspection and safe work station. Read the entire User's Manual before proceeding with installation Handling application of power. 1. Remove the instrument from its carton, preserving the factory packaging as much as possible.
  • Page 18: Reshipment Instructions

    3. Reship in either the original or a new shipping carton. The 1258 is designed to mount in a standard 19" rack. The front Mounting panel includes four oval holes at each end for rack mounting. Be sure to leave space for cooling.
  • Page 19: Chapter 3

    1258 User Manual Chapter 3 FUNCTIONAL DESCRIPTION The 1258 uses an embedded controller with operational software General to control a set of switching cards. The software receives commands through the front panel manual keypad or the remote interfaces. Matrix routing is controlled through a digital link to the switching cards.
  • Page 20: Front Panel User Interface

    The RS-232 uses a serial interface provided Interfaces on the PC104 CPU module. The 1258 is comprised of one to four modular switching cards. Switching Cards Each card includes a complete 64 input by 16 output switching matrix comprised of four Analog Devices AD8116 16x16 buffered video crosspoint switches and control logic.
  • Page 21: Rear Panel

    1258 User Manual The rear panel includes an IEC 320 type AC power inlet module for Rear Panel AC power input and fusing. For remote program control an IEEE- 488 (GPIB) connector, a Cat. 5 RJ45 Ethernet connector and a 25- pin RS-232 connector are provided.
  • Page 22: Figure 3-4. Rear Panel (Option 407900-014 Shown)

    1258 User Manual RS-232 ETHERNET SMA Jack IEEE-488 (GPIB) I49 I57 O 01 O 09 100 MHz 64 Inputs x 16 O utputs Assy: 11028200-1014 1000 Serial No.: 115/230VAC 47-63 Hz 100W max. F use: 115V 10A/250V 230V 5A/250V I24 I32...
  • Page 23: Chapter 4

    1258 User Manual Chapter 4 OPERATING INSTRUCTIONS The 1258 can be controlled through the front panel or through one General of the rear panel control interfaces, GPIB, Ethernet, or RS-232. Most operations can be performed from a remote computer, however, the front panel interface must be used to configure the remote interfaces, perform display specific operations, and to obtain help on system operation.
  • Page 24: Manual Front Panel Operation

    1258 User Manual Figure 4-1. About Screen The front panel interface uses the left-most keys (A, B, C, and D) Manual Front along with the display to provide dynamic smart key functionality. Panel Operation These keys, along with the DEL and ENTER keys allow the user to...
  • Page 25: Figure 4-2. Manual Command Structure

    1258 User Manual Graphic List OUTPUT Input Output A> Scroll Inputs A> Scroll Up None B> Scroll Outputs B> Scroll Down C> Show List [Graphic] C> 22 [,23, 24, 25]* D> Back D> Back None * Multiconnect mode Enter Input Channel (# = enter) A>...
  • Page 26: Displaying Routes

    1258 User Manual Signal routing can be displayed graphically (Figure 4-3) or as a list Displaying (Figure 4-4). The route connections are updated dynamically in Routes both display modes. The route connections are displayed as a 16 x 16 matrix.
  • Page 27: Configuring The Matrix

    1258 User Manual Signals can be easily routed or un-routed from any input to any Configuring the output (or multiple outputs in MultiConnect mode) using the front Matrix panel. The CONFIGURE MATRIX menu allows input channel followed by an output channel to be entered as shown in Figure 4- 5.
  • Page 28: Configuring Remote Control Interfaces

    Configuration. from 0 to 30. The Secondary Address can be set to any address from 96 to 126 or set to 0 (disabled). The 1258 GPIB settings can be configured from the front panel only. All settings can be reset back to their default configuration by selecting the Reset Configuration item in the GPIB Menu.
  • Page 29: Configuring Operating Modes

    See Configuration Commands and Queries for details on executing this command remotely. The PowerUp Configuration is used to store settings so the 1258 PowerUp will startup with the preferred configuration. These settings include Configuration all connections, modes and options.
  • Page 30: Configuring Miscellaneous Modes

    All communication commands display the string received on the first line, and the command recognized by the 1258 on the next line. See Configuration Commands and Queries for details on executing this command remotely. The Error Log in the SYSTEM ERROR LOG menu, which provides a list of the last ten errors that have occurred, can also be very useful when debugging application software.
  • Page 31: Remote Operation

    Ethernet, and RS-232 interfaces. Once configured, the 1258 accepts standard ASCII character strings for control and status requests. The 1258 uses a SCPI type command structure and format, though full SCPI compliance is not guaranteed. The <channel_list> parameter is a single input/output route Commands and specification or a list of input/output routes separated by commas.
  • Page 32: Table I. Remote Command Summary

    1258 User Manual Table I. Remote Command Summary Command Function 1, 2,3 OPEN(@channel_list) disconnect channel(s) 1, 2,3 OPEN:ALL disconnect all 1, 2,3 CLOSe(@channel_list) connect channel(s) 1, 2,3 CLOSe:STATe? return a list of current connections CLOSe?(@out) return input connected to specified output channel...
  • Page 33: Disconnect Commands (Open)

    1258 User Manual The OPEN command specifies routed connections to be Disconnect disconnected. Connections specified are placed on the commands disconnection list. If AUTOupdate is enabled, then the (OPEN) disconnect(s) are performed immediately. Otherwise (default) the disconnection(s) are not performed until the UPDATE command is received.
  • Page 34: Connection Queries (Close?)

    1258 User Manual The state of the matrix connections can be obtained by using a Connection CLOSE? query command. The obtain a complete list of the queries current connections, use the CLOSe:STATe? query. To determine (CLOSE?) connection specific output, CLOSe?(output_channel) query.
  • Page 35: Perform Connection / Disconnection Commands (Update)

    1258 User Manual With the AutoUpdate mode disabled (default), Open and Close Perform commands cause the specified connections to be placed on connection / connect or disconnect lists. The UPDATE command causes all disconnection pending connections and disconnections to be performed. This...
  • Page 36: Configuration Commands And Queries

    1258 User Manual The CONFigure command and query allows the Diagnostic, Configuration MultiConnect, AutoUpdate, and PowerUp modes to be configured Commands and or their state determined. Queries Syntax: CONFigure:DIAGnostic - set diagnostic mode CONFigure:DIAGnostic? - return current diagnostic mode CONFigure:MULTiconnect - sets multi-connect mode...
  • Page 37: Identification Query (*Idn?)

    1258 User Manual The *IDN? query identifies the 1258. The response consists of the Identification following comma delimited information: Query (*IDN?) - Manufacture Racal Instruments. - Model Number 1258 - Firmware Revision 1.1 (major.minor version designation) - Number of Inputs...
  • Page 38: Error Query (*Err? And *Err:desc?)

    1258 User Manual The *ERR? query returns the error code for the error that occurred. Error Query (*ERR? The *ERR:DESC? query returns an character description of the and *ERR:DESC?) last error that occurred. The following errors may occur: Code (dec.) Description...
  • Page 39: System Software Update

    To access this screen, power on the 1258 and wait for the initial power-on confirmation beep. After the first beep, press and hold down the '3' key on the keypad, until an additional beep (or beeps) is heard. Shortly, the special functions menu will appear.
  • Page 40 1258 User Manual This page left intentionally blank. Racal Instruments © 2005 Operating Instructions 4-18...
  • Page 41: Chapter 5

    For worldwide support and the office closes to your facility, refer to the Support Offices section on the following page. Use the original packing material when returning the 1258 to Racal Reshipment Instruments for calibration or servicing. The original shipping crate...
  • Page 42: Support Offices

    Tel: +44 (0) 1202 872800; Fax: +44 (0) 1202 870810 Via Milazzo 25, 20092 Cinisello B, Milan, Italy Tel: +39 (0)2 6123 901; Fax: +39 (0)2 6129 3606 Racal Instruments Group Limited, Technologie Park, D-51429 Bergisch Gladbach, Germany Tel: +49 2204 844205; Fax: +49 2204 844219 Racal Instruments ©...
  • Page 43 Repair and Calibration Request Form To allow us to better understand your repair requests, we suggest you use the following outline when calling and include a copy with your instrument to be sent to the Racal Instruments Repair Facility. Model Serial No.
  • Page 44 1258 User Manual This page was left intentionally blank. Racal Instruments © 2005 Product Support 5-4...
  • Page 45 1258 User Manual APPENDIX A - CONNECTORS IEEE-488 (GPIB) RJ45 RS-232 INPUTS OUTPUTS ETHERNET FUSE Connector Locations Rear Panel Input Connectors Rear Panel Output Connectors Racal Instruments © 2005 Appendix A-1...
  • Page 46 1258 User Manual CHASSIS RS-232 Connector Racal Instruments © 2005 Appendix A-2...
  • Page 47 1258 User Manual APPENDIX B - DEFINITIONS Crosspoint Switch - A device that can connect an input signal to one or more output signals. Crosstalk Isolation - Interference in an output caused by other input or output signals. Measured in decibels (dB) below the nominal signal level. Expressed as dB at a specified load impedance and at a specific frequency or frequency range.

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