Comtech EF Data SDM-2020 Installation And Operation Manual page 9

Preface SDM-2020 Satellite Demodulator
Figures
Figure 1-1. SDM-2020 Satellite Demodulator ......................................................................................................... 1-1
Figure 1-2. Demodulator Block Diagram ................................................................................................................ 1-2
Figure 1-3. Signal Level Characteristics - 4 Channel Input L-Band ..................................................................... 1-10
Figure 1-4. Signal Level Characteristics -Single - Channel Input ........................................................................ 1-10
Figure 1-5. QPSK (1/2, 2/3, 3/4, 5/6, 7/8 Rates) with Reed-Solomon ................................................................... 1-12
Figure 1-6. 8PSK (2/3, 5/6, 8/9 Rates) With Reed-Solomon ................................................................................. 1-13
Figure 1-7. 16QAM (3/4, 7/8 Rates) With Reed-Solomon .................................................................................... 1-14
Figure 1-8. SDM-2020 Demodulator Envelope ..................................................................................................... 1-15
Figure 2-1. Typical Rack Installation....................................................................................................................... 2-3
Figure 2-2. Typical Data Interface Module.............................................................................................................. 2-4
Figure 2-3. Rear Panel, Single RF Input .................................................................................................................. 2-6
Figure 2-4 Rear Panel, Four-Channel Inputs........................................................................................................... 2-6
Figure 3-1. Front Panel ............................................................................................................................................ 3-2
Figure 3-2. Keypad .................................................................................................................................................. 3-4
Figure 3-3. Main Menu ............................................................................................................................................ 3-6
Figure 3-4. Configuration Demodulator Menu without G.703 Data Interface......................................................... 3-8
Figure 3-4A. Configuration Demodulator Menu with G.703 Data Interface ........................................................... 3-9
Figure 3-5. Configuration Interface Menu ............................................................................................................. 3-14
Figure 3-6. Configuration Save Menu.................................................................................................................... 3-18
Figure 3-7. Configuration Recall Menu ................................................................................................................. 3-19
Figure 3-8. Monitor Menu...................................................................................................................................... 3-20
Figure 3-9. Faults/Alarms Menu ............................................................................................................................ 3-24
Figure 3-10. Stored Faults/Alarms Menu............................................................................................................... 3-30
Figure 3-11. Utility Demodulator Menu ................................................................................................................ 3-34
Figure 3-12. Utility Interface Menu ....................................................................................................................... 3-36
Figure 3-12A. Utility Interface Menu, RS422 Data Interface................................................................................ 3-37
Figure 3-12B. Utility Interface Menu, LVDS ........................................................................................................ 3-38
Figure 3-12C. Utility Interface Menu, ASI/RS422 Data Interface......................................................................... 3-38
Figure 3-12D. Utility Interface Menu, ASI/LVDS ................................................................................................ 3-39
Figure 3-12E. Utility Interface Menu, ECL_HSSI................................................................................................. 3-39
Figure 3-12F. Utility Interface Menu, G.703 Data Interface ................................................................................. 3-40
Figure 3-12G. Utility Interface Menu, SMPTE 310M Data Interface ................................................................... 3-41
Figure 3-13. Utility System Menu ......................................................................................................................... 3-46
Figure 3-14. Utility Demodulator Options Menu................................................................................................... 3-50
Figure 3-15. Utility Factory Setup Menu ............................................................................................................... 3-52
Figure A-1. 204 Byte Parallel Format..................................................................................................................... A-3
Figure A-2. 204 Byte Serial Format........................................................................................................................ A-3
Figure A-3. EIA-422 Interface Module PCB .......................................................................................................... A-7
Figure A-4. LVDS Interface Module PCB............................................................................................................ A-15
Figure A-5. ASI and EIA-422 Interface Block Diagram ...................................................................................... A-22
Figure A-6. ASI Module Assembly ...................................................................................................................... A-22
Figure A-7. 187 Byte (no framing) Serial Format................................................................................................. A-30
Figure A-8. 188 Byte Serial Format...................................................................................................................... A-30
Figure A-9. 204 Byte Serial Format...................................................................................................................... A-30
Figure A-10. 204 Byte DBS Serial Format ........................................................................................................... A-31
Figure A-11. ECL/HSSI Connector, Pin Location................................................................................................ A-32
Figure A-12. HSSI Signal Flow ............................................................................................................................ A-33
Figure A-13. Nominal Interface Timing ............................................................................................................... A-36
Figure A-14. Interface Timing .............................................................................................................................. A-36
Figure A-15. G.703 Block Diagram...................................................................................................................... A-43
Figure A-16. G.703 Interface Assembly ............................................................................................................... A-43
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