CRS-280L Manual - Comtech EF Data
Contents
1. xi Limitations 1 Exclusive Remedies xii Customer xiii Online Gustomer ua eee oa eat e Rte c aote a a xiii CHAPTER 1 INTHOBUCTION hectare beatae RM ERES 1 1 1 1 OVER VIC W Ae D H 1 1 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Table of Contents MN CRS280L IOM HIN aeneo eet use uet dec ibd ol Doo 1 2 1 2 Physical 1 3 1 2 1v etaed addu R e ce 1 3 Panel ee a Nu nS at E E aue 1 3 1 4 Dimensional 2 3 Summary OF 60 1 5 1 3 1 6 Typical Insertion Loss Graphs 1 3 1 CHAPTER 2 INSTALELEATIONL accen onion erectam x xx veri svn veut 2 1 2 1 Unpacking and Inspection 2 1 2 2 2 2 CHAPTER 3 CONNECTOR 44 2 2 02 2 3 1 Connector Overview 3 1 3 1 Front Panel Connector 3 3 3 2 Front Panel IF Connectors Receive IF and Transmit IF 500 Type N2. 2 1 Chapter 2 INSTALLATION Unpacking and Inspection The CRS 280L L Band IF Switch for 1 N Redundancy and its Installation and Operation Manual are packaged and shipped in a pre formed reusable cardboard carton containing foam spacing for maximum shipping protection Do not use any cutting tool that will extend more than 1 into the container and cause damage to the unit Be sure to keep all shipping materials for the carrier s inspection IMPORTANT Unpack and inspect the CRS 280L as follows Step Procedure 1 Inspect shipping containers for damage 2 If shipping containers are damaged keep them until the contents of the shipment have been carefully inspected and checked for normal operation Remove the packing list from the outside of the shipping carton 4 Open the carton and remove the contents 5 Check the contents against the packing list to verify completeness of the shipment 6 If damage is evident contact the carrier and Comtech EF Data immediately and submit a damage report 7 If the unit needs to be returned to Comtech EF Data use the original shipping container CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Installation MN CRS280L IOM 2 2 Mounting The CRS 280L replaces the CRS 280 used with the Comtech EF Data s CRS 300 1 10 Redundancy Switch CRS 500 M N Redundancy System or CEFD legacy product CRS 400 and legacy product SMS 7000 for L Band
3. DATA CHS 280L L Band IF Switch for 1 N Redundancy Comtech EF Data is an AS9100 Rev B 1509001 2000 Installation and Operation Manual Registered Company IMPORTANT NOTE The information contained in this document supersedes all previously published information regarding this product Product specifications are subject to change without prior notice Part Number MN CRS280L IOM Revision 1 Errata A Comtech EF Data Documentation Update CRS 280L L Band IF Switch for 1 N Redundancy Installation and Operation Manual Part Number MN CRS280L IOM Revision 1 December 17 2008 Original Manual Part Number Rev MN CRS280L IOM Rev 1 Errata Number PLM Document ID ER CRS280L EA1 PLM CO Number C 0027990 Comments The updated information will be incorporated into the next formal revision of the manual Change NOTES 1 CDM 625 and CDM 625A switch configurations are identical 2 Throughout the manual replace CDM 625 with CDM 625 A ER CRS280L EA1 Rev This document is not subject to revision update PLM CO C 0027990 Page 1 of 2 This page is intentionally blank ER CRS280L EA1 Rev This document is not subject to revision update PLM CO C 0027990 Page 2 of 2 CHS 280L L Band IF Switch for 1 N Redundancy 5910 Rev B 1509001 2000 Installation and Operation Manual OE Part Number MN CRS280L IOM 677 Revision 1 O December 17 2009
4. 3 3 524 3 4 Rear Panel Control 1 1 3 3 Switch Control Interface 3 4 3 3 1 CRS Control Interface Connector 25 3 4 3 3 1 1 J2 SMS Control Interface Connector DB 15M eee 3 4 3 3 1 2 Power Ground Connections tho RA ato iab aos ata UA edi dius 3 5 4 3 2 Alternating Current AC Power Connectors 3 5 3 3 2 1 Direct Current DC Power Connectors 3 5 3 3 2 2 Nu 3 5 3 323 4 1 CHAPTER 4 CABLES AND CONNECTIONS OVER VICW RAES 4 1 4 1 CRS 280L Control Cable Connections cesse 2 4 2 4 2 SMS 7000 1 8 Modem Protection Switch Control Cable Connection 4 2 4 2 1 CRS 400 1 8 Redundancy Switch Control Cable Connection 4 3 4 2 2 CRS 300 1 N Redundancy Switch Control Cable 4 3 4 2 3 CRS 500 M N Redundancy System Control Cable Connection 4 3 4 2 4 CRS 280L L Band IF Cable Connections eese ee 4 8 4 3 L Band IF Cable Charactetistiosi wi 4 8 4 3 1 L Band Switch to Modem Cabling Requirements 4 8 4 3 2 L Band Up
5. Copyright 2009 Comtech EF Data All rights reserved Printed in the USA Comtech EF Data 2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 FAX 480 333 2161 This page is intentionally blank Table of Contents TABLE OF 00 A E VI FIGURES VI ERR VII About this rti vii Reporting Comments or Suggestions Concerning this Manual sse vii Related ts enn vii Conventions and 1610 600 viii Ga tiotis and War ES oso e viii INTE BEE OY viii Recommended Standard viii Telecommunications Terminal Equipment 0 eee e viii Federal Communications Commission FCC viii Electrical Safety tae resoar osese pesaro eis aro ix uc M EET ix Environmental qiie iecore t pie ca ix af atm A ix 0 X Electromagnetic X EN55027 199 F Gombpliantee cs item er dete open ode ebbe ta ben site dar lec pde eed enia X Warranty
6. SDM 2020D L Band when used with CRS 400 legacy products SDM 300L3 when used with SMS 7000 legacy products CDM 570L when used with CRS 300 or CRS 500 CDM 600L when used with CRS 300 CDM 9600L when used with CRS 300 CDM 625 when used with CRS 300 or CRS 500 SLM 5650A when used with CRS 300 or CRS 500 950 1950 MHz L Band 500 15 dB at 50 Q 570 dB 570 dB 590 dB gt 0 8 dB 0 5 dB over operating frequency gt 2 5 dB 1 0 dB over operating frequency gt 4 0 dB 0 5 dB over operating frequency gt 5 5 dB 1 0 dB over operating frequency 10 500 Type N female 25 pin sub D female compatible with CRS 300 controller e 15 sub D female compatible with SMS 7000 Redundant 25 W AC Universal Input Switch Mode Power Supplies 90 264 VAC 47 440 Hz 0 75 A rms max 90 VAC 0 35 A rms 230 All uplinks downlinks revert to associated L Band inputs outputs 32 to 4122 0 to 50 C 58 to 212 50 to 100 C 95 at 122 450 Non condensing Excluding connectors 4RU 7 inches 177 8 mm high X 19 inches 482 5 mm wide X14 inches 356 mm deep gt 25 Ibs 11 35 kg as follows o EN 55022 1997 Class A Emissions o 55024 1998 EMC Immunity o X EN 50082 1 Immunity o EN 60950 Safety e FCC Part 15 Class A CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction MN CRS280L IOM 1 3 1 Typical Insertio
7. A 3 Figure A 3 CRS 280L gt CRS 500 Data Switch Unit DSU Control Cable CEFD P N CA 0000405 Biss DIEN A M s RM te aequ A 4 Figure 4 Type N 500 IF Coax Cable CEFD P N 10453 A 5 Figure B 1 CRS 280L Rear Panel shown with PL 10207 1 AC B 1 vi About this Manual This manual provides installation and operation information for the Comtech EF Data CRS 280L L Band IF Switch designed for use as a companion product in Comtech 1 N Redundancy Systems This is a technical document intended for earth station engineers technicians and operators responsible for the operation and maintenance of the CRS 280L Revision 1 denotes a complete rewrite of this Installation and Operation Manual CEFD P N MN CRS280L IOM It is intended replace the previous versions of this document in its entirety content has been reorganized and updated to conform to current Comtech EF Data Technical Publications Standards and Practices Reporting Comments or Suggestions Concerning this Manual Comments and suggestions regarding the content and design of this manual will be appreciated To submit comments please contact the Comtech EF Data Technical Publications Department TechnicalPublications 9 comtechefdata com Related Documents e Comtech EF Data CHS 300 1 10 Redundancy Switch Installation and Operation Manual e
8. The Comtech Data SMS 7000 1 8 Modem Protection Switch is legacy product that is no longer in production NOTE Figure 1 CRS 280L gt SMS 7000 Data Switch Unit DSU Control Cable CEFD P N CA 5343 1 A 2 CRS 280L L Band IF Switch for 1 N Redundancy Cable Drawings A 2 2 CRS 400 CRS 300 Control Cable NOTE INDICATORS 25M NOTES 2 ENNEN TO 15 9 2 TO 18 TO 18 DB 25M 50 72 00 7 26 DB 25F REMAINING TWISTED PAIRS STRAIGHT THRU PAIR UP TWISTED PAIRS AS SHOWN HRU 7 25 PIN D TYPE MALE OVERALL 2 2 NU 6 NH LINK TOGETHER IN SHELL D TYPE FEMALE 25 PIN Revision 1 MN CRS280L IOM The Comtech EF Data CRS 400 1 8 Redundancy Switch is a legacy product that is no longer in production Figure 2 CRS 280L CRS 400 CRS 300 Control Cable CEFD P N 0066 A 3 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cable Drawings MN CRS280L IOM A 2 3 CRS 500 Control Cable 1 00 MIN 2 00 MAX CONNECTION DESIGNATION 2 4800 1 00 12005 30 L 12 00 30 1200 30 96 00 3 00 P1 2 J3 4 MARKING LOCATION 5 1 CONNECTOR CONNECTOR CONNECTOR CONNECTOR CONNECTOR CONNECTOR 0 DESIGNATION
9. CRS 280L IF Switch Rear Panel 1 CONTROL INTER ACE gt Ls 2 2 gt i gt Figure 4 1 SMS 7000 to CRS 280L Control Cable Connection The Comtech EF Data 5 5 7000 1 8 Modem Protection Switch is a legacy product that is no longer in production NOTE 4 4 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM CRS 400 1 8 Redundancy Switch Rear Panel RAE eom MAL Oj lni ay eom __ oru LL ospa 1 13 1 ort Lis rte tiri Lac i CA WROO66 Control Cable 1 DB 25F to DB 25M 6 1 LO HIGH VOLTAGE HIGH VOLTAGE Figure 4 2 CRS 400 to CRS 280L Control Cable Connection The Comtech EF Data CRS 400 1 8 Redundancy Switch is a legacy product that is no longer in production NOTE 4 5 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM CRS 300 1 10 Redundancy Switch Rear Panel BI 1 CA WROO66 Control Cable DB 25F to DB 25M 6 1 1 CRS 280L IF Switch Rear Panel Lu CONTROL INTERFACE VOLTAGE Figure 4 3 CRS 300 to CRS 280L Control Cable Connection 4 6 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1
10. Standard AC Unit shown Figure 3 1 CRS 280L Connectors The front and rear panels of the CRS 280L L Band IF Switch are shown in Figure 3 1 The front panel connectors provide all necessary to connect all equipment internal and external to the 1 N redundancy setup The rear panel connectors of the CRs 280L provide the control connectors between the CRS 280L and its companion redundancy switch e g CRS 300 CRS 500 etc On the next page Table 3 1 summarizes these connectors grouped according to location front rear or data interface and service function CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Connector Pinouts MN CRS280L IOM Table 3 1 CRS 280L External Connectors Front and Rear Panel Connector Group Front Panel IF Test Out Sect 3 2 Sect 3 2 1 Tx Backup Transmit IF 22X Type N 50O female Input Up Link Out Tx Traffic 1 10 Test In Rx Backup Rx Out Receive IF 22X Type N 500 female Output Dun ou Rear Panel Control Interface 1 ipi Control interface for CRS 400 CRS 300 Sect 3 3 1 1 SE Types female CRS 500 Redundancy Switching products J2 SMS CONTROL 15 pin Type D male Control interface for SMS 7000 Redudancy INTERFACE pin Switching Product Power Ground p o Primary and Backup AC Power Supply Sect 3 3 2 AC Input EEG Modules CEFD P N PL 10207 1 p o Optional Primary Backup DC Power DC Input 2X 3 screw Terminal Block Supply Modul
11. 1 the optional DC module CEFD PL 0000355 These modules are the only field replaceable components in the CRS 280L remove and install a CRS 280L power supply pian M module Figure B 1 into any CRS 280L L Band IF Switch unit This appendix illustrates the procedure required to d B Unless otherwise noted while the illustrations throughout this appendix visually depict the replacement of a standard PL 10207 1 AC Power PLA Supply Module this procedure is typical for removing and installing either a standard AC or optional DC power supply module into the applicable A or B compartment in the rear of the CRS 280L chassis Figure B 1 CRS 280L Rear Panel shown with PL 10207 1 AC Modules B 1 CRS 280L L Band IF Switch for 1 Redundancy Revision 1 Appendix B MN CRS280L IOM B 2 Power Supply Module Removal Procedure Step Task A DISCONNECT THE CRS 280L FROM ITS t POWER SOURCE WARNING For AC Units pictured Shut off the AC power 1 switch on both power supply modules disconnect both power cords from their receptacles HIGH VOLTAGE 59 DISCONNECT SERVICING For DC Units Make sure to disconnect both power cords from their DC power sources then unscrew the positive negative and ground leads from the terminal block of the module being replaced Loosen the four captive mounting screws of the 2 module to be replac
12. 1 097 0 06857 0 08333 0 03110 1 Ib avoir 453 6 16 0 14 58 1 215 0 4536 1 Troy 373 2 13 17 12 0 0 8229 0 3732 1 kilogram 1 0 x 103 35 27 32 15 2 205 2 679 OMTECH EF DATA 2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX
13. 280L L Band IF Switch switch by turning both power supply switches located on the CRS 280L rear panel to the on position Once the power supplies are turned on both power status LEDs A and B on the front panel should illuminate green 3 Power up the companion switch as applicable e g turn on the system controller data switch for the CRS 300 CRS 400 or SMS 7000 turn on the CRS 500 Control Switch Unit CSU etc The CRS 280L is designed to operate with only one power supply energized However it is recommended to continually operate the system with both important Supplies energized for redundancy 5 3 1 CRS 280L operations with the CRS 500 M N Redundancy System While the CRS 500 M N Redundancy System supports 2 N redundancy and IP Sub MUX operation the CRS 280L L Band IF Switch is limited to 1 10 maximum redundancy 2 N redundancy and IP Sub MUX operation are not supported by the CRS 280L 5 2 Appendix A CABLE DRAWINGS A 1 Introduction This appendix contains drawings of cables used with the CRS 280L L Band IF Switch for 1 N Redundancy These cables are broken into two categories Control Interface Cables and IF Interface Cables e The Control Interface Cables are used to connect the CRS 280L rear panel CRS Control Interface or J2 SMS Control Interface connector to its companion redundancy switch IF Switch Control Interface connector e The IF Interface Cables may be selected and used to connect the CRS
14. 4 gt gt 2 HIGH VOLTAGE 3 2 BEFORE SERVICING BEFORE SERVICING d 0 2 4 Figure 1 4 CRS 280L Rear Panel CRS 280L L Band IF Switch for 1 N Redundancy Introduction 1 2 3 Dimensional Envelope Revision 1 MN CRS280L IOM C 17 00 43 18 1 13 92 35 36 13 18 33 48 6 96 17 68 2 2 2 2 19 00 48 26 Figure 1 5 CRS 280L Dimensional Envelope 1 4 CRS 280L L Band IF Switch for 1 N Redundancy Introduction Revision 1 MN CRS280L IOM 1 3 Summary of Specifications Equipment Type Comtech EF Data Modems Supported Tx Rx Operating Frequency IF Impedance TX Return Loss TX to TX Channel Isolation RX to RX Channel Isolation TX to RX Channel Isolation Tx IF Loss Flatness TX in to associated Uplink out BU in to any Uplink out Rx IF Loss Flatness DL in to associated RX out Any DL in to BU RX out Max of Downlinks Tx Rx IF Connectors Control Interface Input Power Input voltage Input frequency Input current Power Loss Failsafe Environmental Operating Temperature Storage Temperature Humidity Dimensions Weight EMC and Safety L Band IF Switch for 1 N Redundancy
15. CRS 300 1 10 Redundancy Switch and CRS 350 ESC Switch while Figure 2 2 shows the CRS 280L as used with the CRS 350 and the CRS 500 M N Redundancy System For further details on the 5 2801 75 tandem use with other Comtech EF Data switching products and systems refer to those products respective installation and operation manuals 2 2 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Installation MN CRS280L IOM CRS 280L Rx Tx IF Switch CRS 300 1 10 Redundancy Switch Redundant Modem Up to 10 Traffic Modems CRS 350 ESC Switch Figure 2 1 Typical CRS 280L CRS 300 CRS 350 Rack Mounting Configuration 2 3 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Installation MN CRS280L IOM CRS 280L Rx Tx IF Switch 3 MAII 1 2 Redundant Up to 4 CRS 500 3 Modems RXTxISUs 12 71 CRS 500 CSU CRS 282xx Up to 9 or 10 CRS 350 Traffic Modems ESC Switch CRS 500 DSU Figure 2 2 Typical CRS 280L CRS 500 CRS 350 Rack Mounting Configuration CRS 500 DSU Bottom Mount configuration 4X ISUs shown 2 4 Chapter 3 CONNECTOR 5 3 4 Connector Overview 00 NOT APPLY OC POWER MAJOR DAMAGE WILL RESULT Front Panel View CRS CONTROL INTERFACE POWER SUPPLY A R UJ e a Iz r mm P a gt BE Rear Panel View
16. Comtech EF Data CRS 500 M N Redundancy System Installation and Operation Manual e Comtech EF Data SMS 7000 1 8 Modem Protection Switch Installation and Operation Manual legacy product no longer in production e Comtech EF Data CRS 400 1 8 Redundancy Switch Installation and Operation Manual legacy product no longer in production vii CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM Conventions and References Cautions and Warnings WARNING indicates a potentially hazardous situation that if not avoided could result in death or serious injury WARNING CAUTION indicates a hazardous situation that if not avoided may result in minor or moderate injury CAUTION may also be used to indicate other unsafe practices Or risks of property damage IMPORTANT or NOTE indicates information critical for proper equipment function IMPORTANT Metric Conversion Metric conversion information is located on the inside back cover of this manual This information is provided to assist the operator in cross referencing non metric to metric conversions Recommended Standard Designations Recommended Standard RS Designations have been superseded by the new designation of the Electronic Industries Association EIA References to the old designations are shown only when depicting actual text displayed on the screen of the unit RS 232 RS 485 etc All other references in the manual will be
17. DESIGNATION DESIGNATION DESIGNATION DESIGNATION DESIGNATION 5 A Qux TO CRS 280 280L 350 TO CRS 282xx 1 CRS 282xx 82 TO CRS 282xx 3 TO CRS 282xx 4 TO DSU 86 gt DB 25M DB 9F DB 9F DB 9F DB 9F DB 9F WIRE LIST FROM TO TO TO TO J WIRECOLOR NOTES Jtt 51 SHELDWIRE 121 51 2 J22 J42 452 rwisrED PAR TWISTED ero ss 25 ss 5 55 TWISTED PAIR Pr 28 5 PAIR Figure A 3 CRS 280L gt CRS 500 Data Switch Unit DSU Control Cable CEFD P N CA 0000405 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cable Drawings MN CRS280L IOM IF Interface Cable Type 500 CEFD P N DIM A CA RF10453 2 24 00 80 CA RF10453 4 48 00 1 50 CA RF10453 6 72 00 3 00 CA RF10453 8 96 00 3 00 Figure A 4 Type N 500 IF Cable CEFD P N CA RF10453 x A 5 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cable Drawings MN CRS280L IOM Notes A 6 Appendix B CRS 280L POWER SUPPLY MODULE REPLACEMENT B 1 Introduction The CRS 280L L Band IF Switch for 1 N Redundancy features dual power supply modules BE ams the standard AC module CEFD P N 10207
18. applications The CRS 280L is constructed as a 4RU high rack mounting chassis Rack handles at the front of the unit facilitate removal from and placement into a rack It is compatible with mounting at the top back or front of the rack refer to the associated controller documentation for additional details To install the CRS 280L Mount the switch with user furnished hardware using the unit s front panel mounting holes only Since the switch itself is relatively passive no additional clearance is needed between it and the nearest Modem Typically the CRS 280L is mounted in a rack along with the modems with which it operates therefore it is important to ensure that there is adequate clearance for ventilation particularly at the sides In rack systems where there is high heat dissipation forced air cooling must be provided by top or bottom mounted fans or blowers A Under no circumstance should the highest internal rack temperature be allowed to exceed 50 C 122 F CAUTION The CRS 280L CANNOT have rack slides mounted to the side of the chassis Comtech EF Data recommends that an alternate method of support such as rack shelves is employed within the rack if front mounting the unit is not feasible If there is IMPORTANT any doubt please consult the Comtech EF Data Customer Support department Typical installation and configuration examples are provided on the pages that follow Figure 2 1 shows the CRS 280L as used with the
19. shown with the EIA designations Telecommunications Terminal Equipment Directive In accordance with the Telecommunications Terminal Equipment Directive 91 263 EEC this equipment should not be directly connected to the Public Telecommunications Network Federal Communications Commission FCC This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy If not installed and used in accordance with the instruction manual it may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users are required to correct the interference at their own expense viii CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM The user should carefully review the following information IMPORTANT Electrical Safety The CRS 280L has been shown to comply with the following safety standard e EN60950 Safety of Information Technology Equipment including electrical business machines The equipment is rated for operation over the range 90 264 volts AC per each power supply Each has a maximum power consumption of 25 Watts and draws a maxi
20. the warranty period specific to the product purchased For equipment under warranty the owner is responsible for freight to Comtech EF Data and all related customs taxes tariffs insurance etc Comtech EF Data is responsible for the freight charges only for return of the equipment from the factory to the owner Comtech EF Data will return the equipment by the same method i e Air Express Surface as the equipment was sent to Comtech EF Data equipment returned for warranty repair must have a valid RMA number issued prior to return and be marked clearly on the return packaging Comtech EF Data strongly recommends all equipment be returned in its original packaging Comtech EF Data Corporation s obligations under this warranty are limited to repair or replacement of failed parts and the return shipment to the buyer of the repaired or replaced parts Limitations of Warranty The warranty does not apply to any part of a product that has been installed altered repaired or misused in any way that in the opinion of Comtech EF Data Corporation would affect the reliability or detracts from the performance of any part of the product or is damaged as the result of use in a way or with equipment that had not been previously approved by Comtech EF Data Corporation The warranty does not apply to any product or parts thereof where the serial number or the serial number of any of its parts has been altered defaced or removed The warr
21. 280L via the front panel Tx Rx Type N threaded female connectors to the Redundant Modem and up to 10 traffic modems that are part of the 1 N redundancy setup as well as to any external uplink downlink RF equipment Each section provides illustrations of the cables technical specifications additionally the table in each section cross reference to the illustrations found in Chapter 4 CABLES AND CONNECTIONS A 2 Control Interface Cables puis jg CEFDCABLEP N DESCRIPTION USED FOR 1 4 1 5343 1 Control Cable DB 15F gt DB 15M 8 CRS 280L gt SMS 7000 Data Switch Unit DSU A 2 4 2 4 3 CA WRO0066 Control Data Cable DB 25F gt DB 25M 6 CRS 280L gt CRS 400 CRS 300 A 3 4 4 CA 0000405 Multi drop Control Cable DB 25M gt 5X DB 9F 15 CRS 280L gt 5 500 Data Switch Unit DSU 0 The Comtech EF Data 515 7000 1 8 Modem Protection Switch and 075 400 1 8 Redundancy Switch are legacy products that are no longer in production NOTE A 1 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cable Drawings MN CRS280L IOM 2 1 SMS 7000 Control Cable FROM P1 3 P1 5 Pi Ji 7 96 00 3 00 6 6 o Miet 5 1 2 C lt CA 2 1 21 15 5 gt
22. Cables and Connections MN CRS280L IOM CRS 530 System Controller CRS 500 Control Switch Unit CSU Rear Panel CA 0000234 Control Cable DB 25F to DB 25M 8 Shown for reference only 688 500 Data Switch Unit DSU Rear Panel ur 6 6 CA 0000405 Multi drop Control Cable Use only DB 9F DB 25M end connectors 15 1 CRS 280L IF Switch Rear Panel Figure 4 4 CRS 500 to CRS 280L Control Cable Connection 4 7 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM 4 3 CRS 280L L Band IF Cable Connections Cables for connecting the CRS 280L L Band IF Switch to the L Band modems within the redundancy system are available for purchase from Comtech EF Data and can be ordered at the same time the order is placed for the CRS 280L CEFD Part No Description CA RF10453 2 Cable Assembly L Band 500 Type N male to Type N male connectors 2 CA RF10453 4 Cable Assembly L Band 500 Type N male to Type N male connectors 4 CA RF10453 6 Cable Assembly L Band 500 Type N male to Type N male connectors 6 CA RF10453 8 Cable Assembly L Band 500 Type N male to Type N male connectors 8 4 3 L Band IF Cable Characteristics If L Band cables are not purchased from Comtech EF Data use of a suitable equivalent is r
23. Data legacy product that is no longer in production 1 When connecting the Control cable between the CRS 280L and the redundancy switch ensure that screw locks on the D type connectors are securely fastened This will prevent the accidental unmating of the cable particularly when a standby unit is being removed or replaced IMPORTANT 2 Only one control interface must be used Do not make connections to both control interfaces on the CRS 280L The CRS 280L automatically detects the control interface in use and cannot function with both control cables connected Connect the supplied cable between the Redundancy Switch controller and the CRS 280L refer to the pertinent Redundancy Switch Installation and Operation Manual for additional information For CRS 280L gt Refer to SMS 7000 1 8 Modem Protection Switch Sect 4 2 1 CRS 400 1 8 HSSI Redundancy Switch Sect 4 2 2 CRS 300 1 N Redundancy Switch Sect 4 2 3 CRS 500 M N Redunancy System Sect 4 2 4 4 2 4 SMS 7000 1 8 Modem Protection Switch Control Cable Connection The Comiech EF Data SMS 7000 1 8 Modem Protection Switch is a legacy product that is no longer in production As shown in Figure 4 1 Step Instructions 1 Connect the DB 15F connector on the CA 5343 1 Control Cable to the DB 15M J2 SMS Control Interface port on the rear panel of the CRS 280L 2 Connect the DB 15M connector on the CA 5343 1 Control Cable to the DB 15F J12 IF Control Interface port
24. anty does not cover damage or loss incurred in transportation of the product The warranty does not cover replacement or repair necessitated by loss or damage from any cause beyond the control of Comtech EF Data Corporation such as lightning or other natural and weather related events or wartime environments The warranty does not cover any labor involved in the removal and or reinstallation of warranted equipment or parts on site or any labor required to diagnose the necessity for repair or replacement The warranty excludes any responsibility by Comtech EF Data Corporation for incidental or consequential damages arising from the use of the equipment or products or for any Xi CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM inability to use them either separate from or in combination with any other equipment or products A fixed charge established for each product will be imposed for all equipment returned for warranty repair where Comtech EF Data Corporation cannot identify the cause of the reported failure Exclusive Remedies Comtech EF Data Corporation s warranty as stated is in lieu of all other warranties expressed implied or statutory including those of merchantability and fitness for a particular purpose The buyer shall pass on to any purchaser lessee or other user of Comtech EF Data Corporation s products the aforementioned warranty and shall indemnify and hold harmless Comtech EF D
25. arks Max 1 N Redundancy CDM 570L Used with CRS 300 or CRS 500 1 10 CDM 600L Used with CRS 300 or CRS 500 w CRS 350 ESC only 1 10 CDM 625 SLM 5650A SDM 300L3 Used with SMS 7000 1 8 ee eee Used with CRS 400 HSSI 1 10 Indicates a Comtech EF Data legacy product that is no longer in production The CRS 280L replaces the following Comtech EF Data active or legacy products FU for SMS 7000 L Band applications CRS 280 switch for L Band applications CRS 300 CRS 500 The CRS 280L features redundant power supplies with status LEDs on the front panel It may be configured for 4 to 10 channel applications SMS 7000 supports 8 channels max Each channel 1 1 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction MN CRS280L IOM has a transmit section with TX input uplink output and a receive section with Rx output downlink input Figure 1 2 depicts the system level block diagram for a CRS 280L equipped 1 10 redundancy system Test Out T Uplink Outputs Interface I 0D 00 qo 601 0 00 amp Drivers 6 5 gt 5 5 O O O O 2 39 Prime Modulators Modulator Downlink Inputs Rx2 2 ZEN Splitter Splitter Splitter Spli
26. ata Corporation from any claims or liability of such purchaser lessee or user based upon allegations that the buyer its agents or employees have made additional warranties or representations as to product preference or use The remedies provided herein are the buyer s sole and exclusive remedies Comtech EF Data shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Xii CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM Customer Support Refer to p xi in this Preface for information regarding this product s Warranty Policy IMPORTANT Contact the Comtech EF Data Customer Support Department for Product support or training e Reporting comments or suggestions concerning manuals e Information on upgrading or returning a product A Customer Support representative may be reached at Comtech EF Data Attention Customer Support Department 2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 Main Comtech EF Data number 480 333 4357 Customer Support Desk 480 333 2161 FAX To return a Comtech EF Data product in warranty and out of warranty for repair or replacement e Contact the Comtech EF Data Customer Support Department Be prepared to supply the Customer Support representative with the model number serial number and a description of the problem e Request a Return Material Author
27. dancy switch and CRS 280L as outlined previously in Chapter 4 CABLES AND CONNECTIONS Second configure the modems for 1 N redundant operation as outlined in the respective modem and companion switch Installation and Operation Manuals Third once the modems have been properly configured for 1 N redundant operations the user should follow the instructions in the next two chapter sections in the sequence they are presented 5 2 CRS 280L Input Power Cord Connections Do not turn the CRS 280L power supply switches to the on position until all system connections are in place IMPORTANT Connect the AC power cords as follows Step Instructions 1 Ensure that both power supply switches are in the off position before connecting the power supply power cords 2 Each CRS 280L is supplied with two power cords one for each power supply power input Connect the female end of each supplied power cords to its mating socket 3 Plug both power cords into the AC power source CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Redundancy System Configuration Operation MN CRS280L IOM 5 3 1 N Redundancy System Power up Sequence After the 1 N redundant system cabling is complete and the companion switch and modems have been initially configured the complete sysyem may be powered up The typical equipment power up sequence is as follows Step Instructions 1 Turn on the redundant and traffic L Band modems 2 Power up the CRS
28. dundancy eee 1 1 Figure 1 2 1 10 Redundancy w CRS 280L System level Block Diagram 1 2 Figure 1 3 CRS 280L Front Panel 1 10 Configuration Shown 1 3 Figure 1 1 3 Figure 1 5 CRS 280L Dimensional Envelope see oe tete et Oe eni Ne ae ideae 1 4 Figure 1 6 Graph 1 Downlink Input to Rx Output essere 1 6 Figure 1 7 Graph 2 Downlink Input to Backup Rx 1 7 Figure 1 8 Graph 3 Backup Input to Selected Uplink Output 1 8 Figure 1 9 Graph 4 Tx Input to Associated Uplink Output eere 1 9 Figure 2 1 Typical CRS 280L CRS 300 CRS 350 Rack Mounting Configuration 2 3 Figure 2 2 Typical CRS 280L CRS 500 CRS 350 Rack Mounting Configuration 2 4 Figute s I CRS 280L CONNECTS street qe 3 1 Figure 4 1 SMS 7000 to CRS 280L Control Cable Connection eene 4 4 Figure 4 2 CRS 400 to CRS 280L Control Cable Connection 4 5 Figure 4 3 CRS 300 to CRS 280L Control Cable Connection 4 6 Figure 4 4 CRS 500 to CRS 280L Control Cable Connection 4 7 Figure 1 CRS 280L gt SMS 7000 Data Switch Unit DSU Control Cable P N CA 5343 1 EE 2 Figure A 2 CRS 280L gt CRS 400 CRS 300 Control Cable CEFD P N 0066
29. e connector is used to connect the CRS 280L to the J12 IF Control Interface port of SMS 7000 1 8 Modem Protection Switch s Data Switch Unit DSU J2 SMS CONTROL INTERFACE Q The Comtech EF Data SMS 7000 1 8 Modem Protection Switch is a legacy product that is no longer in production 3 4 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Connector Pinouts MN CRS280L IOM 3 3 2 Power Ground Connections For continued operator safety always replace fuses with the correct type and rating IMPORTANT 3 3 2 1 Alternating Current AC Power Connectors Two AC power supplies one primary one backup are provided For each standard detachable non locking 3 prong power cord IEC plug supplies the Alternating Current AC power to the CRS 280L Observe the following Standard AC Power Specifications Input Power 25W typical Input Voltage 100 240 volts AC 6 10 autosensing total absolute max range is 90 264 volts AC Fuse Protection 1 0A Slow blow 115 volt AC operation 2 0A Slow blow 230 volt AC operation Line and neutral fusing 20 mm type fuses 3 3 2 2 Direct Current DC Power Connectors optional Pa 250v 25 86 Two DC power supplies one primary one backup are SLOW BLOW 820 mA optionally available For each a standard 3 screw terminal block with fuse holder supplies the Direct Current DC power to the CRS 280L Observe the following Optional DC Power Specifications Input Po
30. ecommended IMPORTANT Cable Type Loss at 1GHz Loss at 2GHz Semflex BPE200 or equivalent 0 11 dB ft 0 15 4 3 2 L Band Switch to Modem Cabling Requirements The number of cables required depends on the switch system configuration Per the example shown at right each modem connected to the CRS 280L front panel requires two L Band cables e One cable for the Rx L Band connection e One cable for the Tx L Band connection Each cable must be connected and secured using the Type N threaded female connectors on the front panel of the CRS 280L and rear panel of the L Band modems 4 8 CRS 280L L Band IF Switch for 1 N Redundancy Cables and Connections Cable connections are defined as follows Revision 1 MN CRS280L IOM L Band Modem Connection CRS 280L Connection Comments TX Output gt TX Backup TX In Redundant Modem RX Input lt gt RX Backup RX Out TX Output gt lt TX 1 TX In Prime Modem 1 RX Input gt lt RX 1 RX Out TX Output lt gt TX 2 TX In Prime Modem 2 RX Input lt gt RX 2 RX Out TX Output lt gt TX 3 TX In Prime Modem 43 RX Input lt gt RX 3 RX Out TX Output lt gt TX 4 TX In Prime Modem 44 RX Input gt lt RX 4 RX Out TX Output lt gt TX 5 TX In Prime Modem 5 RX Input gt lt RX 5 RX Out 2 TX Output lt gt TX 6 TX In Prime Modem 46 RX Inpu
31. ed then carefully pull the module BEFORE SERVICING plate away from the unit CRS 280L L Band IF Switch for 1 N Redundancy Appendix B Revision 1 MN CRS280L IOM Carefully remove the Power Supply Cable from its 3 mating connector on the old power supply module PCB then set the old power supply module aside Power Supply Cable CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Appendix B MN CRS280L IOM B 3 Power Supply Module Installation Procedure Step Task Identify for assembly the Power Supply Cable 1 connected to the CRS 280L chassis and its mating connector on the new power supply module PCB B 4 CRS 280L L Band IF Switch for 1 N Redundancy Appendix B Revision 1 MN CRS280L IOM Carefully reconnect the Power Supply Cable to its 2 mating connector on the new power supply module PCB Power Supply Cable Assemble the power supply module plate to the CRS 280L chassis taking care not to crimp the 3 Power Supply Cable when doing so then tighten the four captive mounting screws of the module to secure the module in place HIGH VOLTAGE MAINS BEFORE SERVICING DANGER CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Appendix B MN CRS280L IOM For AC Units pictured Reconnect the power cords for both power supply modules The AC power may be switched o
32. es CEFD P N PL 0000355 10 32 stud Common Chassis Ground Indicates a Comtech EF Data legacy product that is no longer in production The European EMC Directive EN55022 EN50082 1 requires using properly shielded cables for DATA O These cables must be double shielded from end to end important suring a continuous ground shield 3 2 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Connector Pinouts MN CRS280L IOM 3 2 Front Panel Connectors Unless otherwise noted the connectors featured on the front panel of the CRS 280L are intended for connection to all IF equipment internal and external to the 1 N redundancy setup 3 2 1 Front Panel IF Connectors Receive IF and Transmit IF 500 Type N Tx Backup Tx 1 Each Transmit IF and Receive IF port connector is a 500 Type N female connector Observe the following Up Link Out Connector IF Side 4 Tx ln Pai Connector Name air Test Out 4 Tx Backup Tx Redundant Tx In e _ Transmit IF e Up Link Out Rx Backup Tx 1 through Tx 10 Tx Traffic Tx In Rx Backup Rx Redundant x Backup Rx Redundan Test In Down Link In Rx Out m E Receive IF Down Link In Rx 1 through Rx 10 Rx Traffic Rx out See Chapter 4 CABLES AND CONNECTIONS for complete details on IF cabling between the CRS 280L and its companion redundant switches redundant and traffic modems and uplink and downlink eq
33. f the control cable 4 2 4 CRS 500 M N Redundancy System Control Cable Connection As shown in Figure 4 4 Step Instructions 1 Connect the DB 25M connector of the CA 0000405 Multi drop Control Cable to the DB 25F J1 CRS Control Interface port on the rear panel of the CRS 280L 2 Connect the final DB 9F connector on the CA 0000405 Multi drop Control Cable to the DB 9M P1 IF Switch Control port on the control interface side of the CRS 500 M N Redundancy System s Data Switch Unit DSU Be sure to tie off or otherwise secure any unused DB 9F connectors on the CA 0000405 Multi drop Control Cable Note The CRS 500 DSU is in turn connected to the CRS 500 Control Switch Unit CSU via the CA 0000234 Control Cable see the CRS 500 M N Redundancy System Installation and Operation Manual for complete details 3 Secure the cable by tightening the screw locks on both ends of the control cable 4 3 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM SMS 7000 Data Switch Unit DSU Control Modem Side 9 221 i Q 7 1 POWER POWER SUPPLY SUPPLY n Q x Hi m no SWITCH ouz CONTROLLER uM p Q INTERFACE 0 0 Q 9 n m CHS 2 5 o 1 0 PRIME MCOEMS J12 CONTROL EF 4 2 I Control Cable CA 5343 1 1 DB 15F gt DB 15M 8 ini tad cipi
34. ization RMA number from the Comtech EF Data Customer Support representative e Pack the product in its original shipping carton packaging to ensure that the product is not damaged during shipping e Ship the product back to Comtech EF Data Shipping charges should be prepaid Online Customer Support An RMA number request can be requested electronically by contacting the Customer Support Department through the online support page at www comtechefdata com support asp e Click on the Service hyperlink then read the Return Material Authorization section for detailed instructions on our return procedures e Click on the RMA Request Form hyperlink then fill out the form completely before sending Send e mail to the Customer Support Department at service comtechefdata com xiii CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM Notes xiv Chapter 1 INTRODUCTION 1 1 Overview Figure 1 1 CRS 280L L Band IF Switch for 1 N Redundancy The CRS 280L L Band IF Switch Figure 1 1 is designed to support redundancy systems featuring one Redundant backup Modem and up to 10 Traffic Modems prime channels Operation of the CRS 280L is controlled by the switching system to which it is connected The CRS 280L is designed for use with the following Comtech EF Data products Modem Rem
35. link Downlink Cable Connections eese 4 9 4 3 3 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Table of Contents MN CRS280L IOM CHAPTER 5 REDUNDANCY SYSTEM CONFIGURATION OPERATION 5 1 5 1 DV EN 5 1 5 2 CRS 280L Input Power Cord Connections 5 1 5 3 1 N Redundancy System Power up Sequence cccscccccsscccssccscesscccsscsscessescessesees 5 2 5 3 1 CRS 280L operations with the CRS 500 M N Redundancy System 5 2 APPENDIX CABLE 0 1 1 A 2 Control Interface A 1 2 1 SMS 7000 Control Cable detto tier ei A 2 AG CRS 400 CRS 300 Control Cable A 3 A 2 3 CR OU Control opi eua tas 4 A 3 Interface Cable 50 A 5 APPENDIX CRS 280L POWER SUPPLY MODULE REPLACEMENT B 1 MEN B 1 B 2 Power Supply Module Removal Procedure eee e eee eerte eerte 2 2 Power Supply Module Installation Procedure lt lt 27 B 4 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Table of Contents MN CRS280L IOM Tables Table 3 1 CRS 280L External Connectors Front and Rear 3 2 Figures Figure 1 1 CRS 280L L Band IF Switch for 1 N Re
36. mum of 0 75 Amps rms max 90 Volts AC and 0 35 Amps rms max 230 Volts AC Optionally the equipment is rated for operation over the range of 36 72 volts DC per each supply Each has a maximum power consumption of 25 Watts and draws a maximum of 6 25 Amps Fuses FOR CONTINUED OPERATOR SAFETY ALWAYS REPLACE THE FUSES WITH THE CORRECT TYPE AND RATING CAUTION The AC powered CRS 280L is outfitted with two power supplies each containing two fuses one each for line and neutral connections These are contained within the body of each IEC power inlet connector behind a small plastic flap e For 230 volt AC operation use T2 5A 20mm fuses e For 115 volt AC operation use T5 0A fuses slow blow P N SASB IEC The optionally DC powered CRS 280L is outfitted with two power supplies Each power supply contains one fuse installed into a fuse holder e For 48 volt DC operation use T6 25A 3AG fuses Environmental The CRS 280L must not be operated in an environment where the unit is exposed to extremes of temperature outside the ambient range 0 to 50 C precipitation condensation or humid atmospheres above 95 RH altitudes non pressurized greater than 2000 meters excessive dust or vibration flammable gases corrosive or explosive atmospheres Operation in vehicles or other transportable installations that are equipped to provide a stable environment is permitted If such vehicles do not provide a stable environment safety
37. n Loss Graphs log MAG 5 REF 3 5 dB 2 3 5046 dB 24 0 87 3 0 dB NM EN START 900 000 000 MHz STOP 2 000 000 000 MHz Figure 1 6 Graph 1 Downlink Input to Rx Output CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction 3 5 dB 4 0 d UD 4 5 dB 5 0 dB 5 5 98 6 0 dB 6 5 dB MN CRS280L IOM TRN log MAG 5 dB REF 3 5 dB 2 3 6833 dB E B E Eu pe coe _ START 900 000 000 MHz STOP 2 000 000 000 MHz Figure 1 7 Graph 2 Downlink Input to Backup Rx Output T T CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction MN CRS280L IOM CH1 TRN amp M log MAG 5 dB REF 0 dB 5 8779 NEN 0 5 dB Era 10 dB Lj 1 5 dB START 900 000 MHz STOP 2 000 000 000 MHz Figure 1 8 Graph 3 Backup Input to Selected Uplink Output 1 8 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction MN CRS280L IOM Conr START 900 000 MHz STOP 2 000 000 MHz Figure 1 9 Graph 4 Tx Input to Associated Uplink Output CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction MN CRS280L IOM Notes
38. n to both power supply modules once all control and IF cabling connections have been confirmed For DC Units Screw on the positive negative and ground leads to the terminal block of the replacement power supply module The unit may be reconnected to both DC power sources once all control and IF cabling connections have been confirmed The module installation has been completed and the CRS 280L L Band Switch for 1 N Redundancy is ready for operation METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter 0 3937 0 03281 0 01094 6 214 10 6 0 01 1 inch 2 540 0 08333 0 2778 1 578 x 105 0 254 25 4 1 foot 30 480 12 0 0 3333 1 893 x 10 4 0 3048 1 yard 91 44 36 0 3 0 5 679 4 0 9144 1 meter 100 0 39 37 3 281 1 094 6 214 x 10 4 1 mile 1 609 x 105 6 336 x 104 5 280 x 103 1 760 x 103 1 609 x 108 1mm m 0 03937 m 1 kilometer ES X 0 621 Temperature Conversions Temperature Fahrenheit Centigrade Formulas Water freezes 32 0 C F 32 0 555 Water boils 212 100 F C 1 8 32 Absolute 0 459 69 273 16 Units of Weight Gran us PU Red Ex ghogan 1 gram 0 03527 0 03215 0 002205 0 002679 0 001 1 oz avoir 28 35 0 9115 0 0625 0 07595 0 02835 1 oz troy 31 10
39. of the equipment to EN60950 may not be guaranteed Installation The installation and connection to the line supply must be made in compliance to local or national wiring codes and regulations CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM The CRS 280L is designed for connection to a power system that has separate ground line and neutral conductors The equipment is not designed for connection to a power system that has no direct connection to ground The CRS 280L is shipped with line inlet cables suitable for use in the country of operation If it is necessary to replace these cables ensure the replacement has an equivalent specification Examples of acceptable ratings for the cable include HAR BASEC and HOXXX X Examples of acceptable connector ratings include VDE NF USE UL CSA OVE CEBEC NEMKO DEMKO BS1636A BSI SETI IMQ KEMA KEUR and SEV International Symbols International Symbols Symbol Symbol Definition Alternating Current Protective Earth EMC Electromagnetic Compatibility This is a Class A product In a domestic environment it may cause radio interference that requires the user to take adequate protection measures EN55022 1997 Compliance This equipment meets the radio disturbance characteristic specifications for information technology equipment as defined in EN55022 1997 EN55024 1998 Compliance This equipment meets the EMC immunity characteristics fo
40. on the Control Modem side of the SMS 7000 Data Switch Unit DSU Note The CRS 280L serves to replace in its entirety the SMS 7000 IF Switch Unit IFU 3 Secure the cable by tightening the screw locks on both ends of the control cable 4 2 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM 4 2 2 CRS 400 1 8 Redundancy Switch Control Cable Connection The Comtech Data CRS 400 1 8 Redundancy Switch is legacy product that is no longer in production As shown in Figure 4 2 Step Instructions 1 Connect the DB 25M connector of the CA WRO0066 control cable to the DB 25F J1 CRS Control Interface port on the rear panel of the CRS 280L 2 Connect the other end of the control cable to the DB 25M IF Switch Control port on the CRS 230 Controller card installed in the rear panel of the CRS 400 1 8 Redundancy Switch 3 Secure the cable by tightening the screw locks on both ends of the control cable 4 2 3 CRS 300 1 N Redundancy Switch Control Cable Connection As shown in Figure 4 3 Step Instructions 1 Connect the DB 25M connector of the CA WROO66 control cable to the DB 25F J1 CRS Control Interface port on the rear panel of the CRS 280L 2 Connect the other end of the control cable to the DB 25M IF Switch Control port on the CRS 230 Controller card installed in the rear panel of the CRS 300 1 N Redundancy Switch 3 Secure the cable by tightening the screw locks on both ends o
41. r the limits and methods of measurement for information technology equipment per EN55024 1998 To ensure that the CRS 280L continues to comply with these standards observe the following instructions IMPORTANT e Connections to the transmit and receive IF ports N type female connectors should be made using a good quality coaxial cable for example RG213 U e D type connector attached to the rear panel must have a back shell that provides continuous metallic shielding Cable with a continuous outer shield either foil or braid or both must be used and the shield must be bonded to the back shell e The equipment must be operated with both AC module panels assembled firmly to the rear of the chassis at all times If it becomes necessary to remove either AC module the user should ensure that the cover is correctly re fitted before normal operation commences CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Preface MN CRS280L IOM Warranty Policy Comtech EF Data products are warranted against defects in material and workmanship for a specific period from the date of shipment and this period varies by product In most cases the warranty period is two years During the warranty period Comtech EF Data will at its option repair or replace products that prove to be defective Repairs are warranted for the remainder of the original warranty or a 90 day extended warranty whichever is longer Contact Comtech EF Data for
42. rtinent data interface cabling and other cable connection information The sections that follow in this chapter provide specific interface examples that identify the individual redundancy cable s required to interconnect the two interfaces For line drawings of the cables specified in this chapter see Appendix A CABLE DRAWINGS 1 Leave the switch and all modems powered off until all connections are ready IMPORTANT 2 lt is essential to ensure that both the Tx and Rx IF connections are made correctly For example the Transmit IF from the Redundant Modem s port must connect to the Tx IF Backup Tx In port on the CRS 280L the Traffic Modem 1 s Tx connector must connect to the Tx 1 Tx In port and the same for all Rx IF connections Failure to observe this requirement will result in the system malfunctioning CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM 4 2 CRS 280L Control Cable Connections Each CRS 280L is supplied with a control cable for connection to the associated 1 N Redundancy Switch control unit The control cable must be specified at time of order 1 N Redundancy Switch CEFD No Description SMS 7000 CA 5343 1 Control Cable DB 15F gt DB 15M 8 CRS 400 CA WRO0066 Control Cable DB 25M gt DB 25F 6 CRS 300 CRS 500 CA 0000405 Multi drop Control Cable DB 25M 4X DB 9F 15 Indicates a Comtech EF
43. t lt gt RX 6 RX Out TX Output gt TX 7 TX In Prime Modem 47 RX Input gt lt RX 7 RX Out TX Output lt gt TX 8 TX In Prime Modem 48 RX Input lt gt RX 8 RX Out TX Output TX 9 TX In Prime Modem 9 RX Input lt gt RX 9 RX Out TX Output lt gt TX 10 TX In Prime Modem 10 RX Input gt lt RX 10 RX Out 4 3 3 L Band Uplink Downlink Cable Connections The CRS 280L is not designed to convey DCpower to external equipment such as LNBs or BUCs Do not apply DC power to the L Band input and output Type N ports of the switch CEFD recommends that connections to uplink and downlink equipment be made after all other system cabling and configuration is complete Cabling to and from the CRS 280L uplink and downlink ports is dependant on the system configuration and the uplink downlink equipment used For additional information refer to the uplink downlink equipment documentation 4 9 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Cables and Connections MN CRS280L IOM Notes 4 10 Chapter 5 REDUNDANCY SYSTEM CONFIGURATION OPERATION 5 1 Overview In order to avoid damage to the modems the companion redundant switch and the CRS 280L L Band IF Switch and it is important for the user to follow this sequence of configuration IMPORTANT e First connect cables between the powered OFF modems companion redun
44. tter Splitter Splitter Splitter i Splitter Backup Demodulator Prime Demodulators Figure 1 2 1 10 Redundancy w CRS 280L System level Block Diagram 1 1 1 Compatibility 1 2 The Comtech EF Data CRS 280L L Band IF Switch is designed specifically as an accessory product Comtech EF Data equipment It is not designed to operate with any other manufacturer s equipment The CRS 280L is not designed to convey DC power to external equipment such as LNBs or BUCs Do not apply DC power to the L Band input and output Type N ports of the switch In addition the CRS 280L is not designed to pass to 10 MHz reference or FSK signaling CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Introduction MN CRS280L IOM 1 2 Physical Description The CRS 280L is constructed as a 4RU high rack mounting chassis that can be freestanding if desired It is provided with rack handles at the front for easy removal from and placement into a rack 1 2 1 Front Panel 1 10 Configuration Status 1 4 Configuration LEDS DAMAGE WILL RESULT Figure 1 3 CRS 280L Front Panel 1 10 Configuration shown 1 2 2 Rear Panel n CRS CONTROL INTERFACE SMS CONTROL INTERFACE Control j x jx Interfaces POWER SUPPLY 8 POWER SUPPLY B 5
45. uipment 3 3 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Connector Pinouts MN CRS280L IOM 3 3 Rear Panel Control Connectors Unless otherwise noted the connectors featured on the rear panel of the CRS 280L are intended for connection to the companion redundancy switch control interface 3 3 4 Switch Control Interface Connectors 3 311 J1 CRS Control Interface Connector DB 25F The 25 pin D Type female DB 25F 1 CRS Control Interface CRS CONTROL INTERFACE connector is used to connect the CRS 280L to the IF Switch Control 51 port located on the CRS 230 Controller card installed in CRS 400 E 1 8 Redundancy Switch or CRS 300 1 10 Redundancy Switch or to the P1 IF Switch Control port located on the control interface side of the CRS 500 M N Redundancy System s Data Switch Unit DSU The Comtech Data CRS 400 1 8 Redundancy Switch is a legacy product that is no longer in production NOTE The J1 CRS Control Interface connector communicates with the logic interface of the companion redundancy switch to drive the currently selected terrestrial modem and to decide whether the system is in bridged or backup mode The CRS 280L performs the same bridging and backing up functions of the Tx and Rx IF signals to match what the companion redundant switch does to the terrestrial data signals 3 3 1 2 J2 SMS Control Interface Connector DB 15M The 15 D Type male DB 15M J2 SMS Control Interfac
46. wer 25W maximum Input Voltage 36 to 72 VDC 6 25 amps Connector Type Terminal Block Fuse Protection 6 25A Slow blow 3 3 2 3 Ground Connector A 10 32 stud located to the lower left hand side of the CRS 280L rear panel is a provided for connecting a common chassis ground among equipment Note The power connector provides the safety ground 3 5 CRS 280L L Band IF Switch for 1 N Redundancy Revision 1 Connector Pinouts MN CRS280L IOM Notes 3 6 4 1 Chapter 4 CABLES AND CONNECTIONS Overview When assembling a Comtech EF Data 1 N Redundancy System in addition to purchasing the desired modem group one Redundant modem up to 10 Traffic modems and the appropriate companion switch i e CRS 300 CRS 500 etc the user is also required to purchase all cables and components required for interconnection of the redundant configuration to various interfaces control IF and data Once the CRS 280L switch its companion redundancy switch and all modems have been mounted as outlined in Chapter 2 INSTALLATION the user must properly attach all required cabling then configure the system for correct operation For the purpose of clarity this chapter deals only with the connections needed for the CRS 280L s application within a configured 1 N Redundancy System Refer to the applicable companion switch Installation and Operation Manual for pe
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