Racal Instruments 1260-82 Manuale utente

1260 VXI
SWITCHING CARD
Model 1260-82
VXI OPTICAL SWITCH
PUBLICATION NO. 980673-059
RACAL INSTRUMENTS
Racal Instruments, Inc.
4 Goodyear St., Irvine, CA 92618-2002
Tel: (800) 722-3262, FAX: (949) 859-7309
Racal Instruments, Ltd.
480 Bath Road, Slough, Berkshire, SL1 6BE, United Kingdom
Tel: +44 (0) 8706 080134; FAX: +44 (0) 1753 791290
Racal Systems Electronique S.A.
18 Avenue Dutartre, 78150 LeChesnay, France
Tel: +33 (1) 3923 2222; FAX: +33 (1) 3923 2225
Racal Systems Elettronica s.r.l.
Strada 2-Palazzo C4, 20090 Milanofiori Assago, Milan, Italy
Tel: +39 (02) 5750 1796; FAX +39 (02) 5750 1828
Racal Elektronik System GmbH.
Frankenforster Strasse 21, 51427 Bergisch Gladbach, Germany
Tel:+49 2204 92220; FAX: +49 2204 21491
Racal Australia Pty. Ltd.
3 Powells Road, Brookvale, NSW 2100, Australia
Tel: +61 (2) 9936 7000, FAX: +61 (2) 9936 7036
Racal Electronics Pte. Ltd.
26 Ayer Rajah Crescent, 04-06/07 Ayer Rajah Industrial Estate, Singapore 0513.
Tel: +65 7792200, FAX: +65 7785400
Racal Instruments, Ltd.
Unit 5, 25F., Mega Trade Center, No 1, Mei Wan Road, Tsuen Wan, Hong Kong, PRC
Tel: +852 2405 5500, FAX: +852 2416 4335
http://www.racalinst.com
PUBLICATION DATE: November 1, 1999
Copyright 1999 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.

WARRANTY STATEMENT
All Racal Instruments, Inc. products are designed and manufactured to exacting standards and in full
conformance to Racal’s ISO 9001 procedures.
For the specific terms of your standard warranty, or optional extended warranty or service agreement, contact
your Racal customer service advisor. Please have the following information available to facilitate service.
1. Product serial number
2. Product model number
3. Your company and contact information
You may contact your customer service advisor by:
E-Mail: [email protected]
Telephone: +1 800 722 3262 (USA)
+44(0) 8706 080134 (UK)
+852 2405 5500 (Hong Kong)
Fax: +1 949 859 7309 (USA)
+44(0) 1628 662017 (UK)
+852 2416 4335 (Hong Kong)
RETURN of PRODUCT
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. We can be reached at:
PROPRIETARY NOTICE
This document and the technical data herein disclosed, are proprietary to Racal Instruments, and shall not,
without express written permission of Racal Instruments, be used, in whole or in part to solicit quotations from a
competitive source or used for manufacture by anyone other than Racal Instruments. The information herein has
been developed at private expense, and may only be used for operation and maintenance reference purposes or
for purposes of engineering evaluation and incorporation into technical specifications and other documents which
specify procurement of products from Racal Instruments.

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.
Before operating the unit, ensure the conductor (green wire) is connected to the ground (earth)
conductor of the power outlet. Do not use a two-conductor extension cord or a three-prong/two-
prong adapter. This will defeat the protective feature of the third conductor in the power cord.
Maintenance and calibration procedures sometimes call for operation of the unit with power
applied and protective covers removed. Read the procedures and heed warnings to avoid “live”
circuit points.
Before operating this instrument:
1. Ensure the instrument is configured to operate on the voltage at the power source. See
Installation Section.
2. Ensure the proper fuse is in place for the power source to operate.
3. Ensure all other devices connected to or in proximity to this instrument are properly grounded
or connected to the protective third-wire earth ground.
If the instrument:
-fails to operate satisfactorily
-shows visible damage
-has been stored under unfavorable conditions
-has sustained stress
Do not operate until performance is checked by qualified personnel.
Optical Ports WARNING: To avoid eye damage, do not look directly into the optical output
ports while there is an optical signal connected to the input port. Always attach
the output ports to a receiver or cover with the supplied dust caps before
enabling the source signal to the input port.
!

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1260-82 User Manual
i
Table of Contents
Chapter 1
MODULE SPECIFICATION..........................................................................................................1-1
Introduction...............................................................................................................................1-1
Specifications1..........................................................................................................................1-2
Ordering Information.................................................................................................................1-3
Safety .......................................................................................................................................1-3
Product Support........................................................................................................................1-3
About MTBF..............................................................................................................................1-4
Chapter 2
INSTALLATION INSTRUCTIONS.................................................................................................2-1
Unpacking and Inspection......................................................................................................... 2-1
Reshipment Instructions............................................................................................................2-1
Option 01T Installation..............................................................................................................2-2
Module Installation.................................................................................................................... 2-2
Module Configuration................................................................................................................ 2-2
Front Panel Connectors............................................................................................................2-3
Fail LED.................................................................................................................................... 2-3
Switch Status LED....................................................................................................................2-3
Mating Connectors ................................................................................................................2-7
Optical Ports .........................................................................................................................2-7
Chapter 3
MODULE OPERATION ................................................................................................................3-1
General Information..................................................................................................................3-1
Operating The 1260-82 In Message-Based Mode.................................................................... 3-2
Channel Descriptors For The 1260-82 Module......................................................................3-2
Reply To The MOD:LIST? Command.................................................................................... 3-4
Using The *OPC Query / Command...................................................................................... 3-4
Operating The 1260-82 in Register-Based Mode......................................................................3-6
Switch Data Write Register ...................................................................................................3-7

1260-82 User Manual
ii
Relay Data Status Read Register ......................................................................................... 3-8
ERROR LED Control Register............................................................................................... 3-8
1260-82 Example Code ........................................................................................................ 3-9
Power and Module Cooling Considerations............................................................................ 3-13
Airflow Requirements.......................................................................................................... 3-13
Chapter 4
DRAWINGS ................................................................................................................................. 4-1
Chapter 5
PARTS LIST................................................................................................................................. 5-1
Chapter 6
Product Support........................................................................................................................ 6-1
Reshipment Instructions ........................................................................................................... 6-1
Appendix A
1260-82 Address Map..................................................................................................................A-1
Appendix B
Maintenance of Fiberoptic Cables and Connectors......................................................................B-1
Appendix C
Performance Verification..............................................................................................................C-1

1260-82 User Manual
iii
List of Figures
Figure 2-1, 1260-82 Block Diagram.............................................................................................. 2-2
Figure 2-3 1260-82C Front Panel Pin Connections, Front View...................................................2-4
Figure 2-4 1260-82D Front Panel Pin Connections, Front View...................................................2-5
Figure 2-5 1260-82F Front Panel Pin Connections, Front View................................................... 2-6
Figure 3-1, Message-Based Mode of Operation..........................................................................3-1
Figure 3-2, Register-Based Mode of Operation...........................................................................3-1
Figure 3-4, 1260-82 Optical Switch and Racal Instruments
1261B Chassis Airflow Resistance Curves............................................................... 3-15

1260-82 User Manual
iv
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1260-82 User Manual
Module Specification 1-1
Chapter 1
MODULE SPECIFICATION
Introduction The 1260-82 is a VXI Optical Switch Module developed for the
Racal 1260 Series of switch modules.
The 1260-82 is available configured from the factory and can be
ordered with the Option-01T Message Based Interface.
The following features are included in the 1260-82
•Three, four, or six 1X2 Optical Switch configurations.
•Single-slot VXI C-size module.
•Message Based Interface Option available.
•New Data Driven Model embedded firmware.
•Single Mode, 9/125µm optical fiber with a wavelength
range of 1290-1570 nm standard. Optional fiber types
and wavelengths are available as specials.
•FC/SPC connectors are standard (other connectors or
fiber pigtails are available as specials).
•Dust Caps are supplied with all front panel Fiberoptic
adapters.

1260-82 User Manual
Module Specification 1-2
Specifications1Optical Fiber Type 9/125µm
Wavelength Range 1290-1570 nm
Insertion Loss2<1.2 dB max., 0.8 dB typ.
<2.0dB max., including connectors
Back Reflection2<-50 dB max, -55 dB typ.
Polarization Dependent Loss3.05 dB max.
Repeatability4+/-.005 dB max., +/-.003 dB typ.
Isolation 80dB max., 90 dB typ.
Switching Time 15msec
Shock 30g, 11msec, ½ sine wave
Vibration 0.013” PK-PK, 5-55Hz
Bench Handling 4in, 45o
Temperature
Operating 0 to +50 degrees Centigrade
Non-operating -20 to +70 degrees Centigrade
Relative Humidity 90% RH Non-Condensing at ≤40oC
for 5 days
Power requirements 5 VDC at 1.65 Amps W/Option 01T
5 VDC at 0.65 Amp WO/Option 01T
Cooling Requirements 1.0 liter/sec @ .025 mmH2O
Dimensions Single-wide C-Size, VXIbus Module
Module Weight 1260-82C 1260-82D
w/OPT 01T 2.95lbs (1.34kg) 3.07lbs (1.40kg)
w/o OPT 01T 2.70lbs (1.23kg) 2.82lbs (1.28kg)
1260-82F
w/ OPT 01T 3.31lbs (1.51kg)
w/o OPT 01T 3.06lbs (1.39kg)
MTBF 100,000 Hours minimum
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