Comtech EF Data UT-4514F Especificaciones Pagina 11

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UT-4500-A Series Upconverters Revision 1
Table of Contents MN-UT4500A
ix
APPENDIX B. REDUNDANT SYSTEM OPERATION ........................................................ B–1
B.1 Introduction to Redundancy Operation ..............................................................................B–1
B.2 Backup Upconverter ..........................................................................................................B–2
B.2.1 High Speed Bus (HSB) .............................................................................................................. B–2
B.2.2 Detachable Modules ................................................................................................................ B–2
B.2.2.1 Upconverter Switching ................................................................................................... B–2
B.3 Redundant Configurations..................................................................................................B–3
B.4 Redundant System Configuration .......................................................................................B–8
B.4.1 Redundant System Configuration Using the Front Panel ........................................................ B–8
B.4.1.1 Initial Configuration ........................................................................................................ B–8
B.4.1.2 Automatic Configuration Verification ............................................................................. B–9
B.4.1.3 Manual Configuration and Verification ........................................................................ B–11
B.4.2 Redundant System Configuration using the 45xxA Web Server Interface ............................ B–13
B.4.3 Offset Adjustment ................................................................................................................. B–14
B.4.4 Redundancy Systems Upconverter Removal and Replacement ........................................ B–15
APPENDIX C. MAINTENANCE AND TROUBLESHOOTING ............................................ C–1
C.1 Overview ........................................................................................................................... C–1
C.2 Maintenance Testing .......................................................................................................... C–2
C.2.1 Test Point Samples .................................................................................................................. C–2
C.2.2 Troubleshooting ...................................................................................................................... C–2
C.2.3 Upconverter Faults .................................................................................................................. C–2
C.2.3.1 Prime Power.................................................................................................................... C–2
C.2.3.2 DC Power Supply Module ............................................................................................... C–2
C.2.3.3 RF Converter Module ...................................................................................................... C–3
C.2.3.4 Synthesizer Sum Loop Module ....................................................................................... C–3
C.2.3.5 Synthesizer Fine Step Module ........................................................................................ C–3
C.2.3.6 Reference Oscillator Module .......................................................................................... C–3
C.2.3.7 Temperature Fault .......................................................................................................... C–3
C.2.4 Converter I/O Modules ............................................................................................................
C–4
C.3 Spares ............................................................................................................................... C–4
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