Comtech EF Data SDM-2020, Инструкция по установке и эксплуатации

Страница: 9 / 215

Preface SDM-2020 Satellite Demodulator
viii Rev. 3
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