Comtech EF Data SDM-100A - Manual (Page 14)

Table of Contents SDM-100A Satellite Modem
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Figures
Figure 1-1. SDM-100A....................................................................................................................................1–1
Figure 1-2. SDM-100A Block Diagram ..........................................................................................................1–2
Figure 1-3. Dimensional Drawing ...................................................................................................................1–4
Figure 1-4. Viterbi Bit Error Rate Performance ..............................................................................................1–8
Figure 1-5. Sequential Bit Error Rate Performance.........................................................................................1–9
Figure 1-6. Typical Output Spectrum ............................................................................................................1–10
Figure 2-1. Typical Rack Elevation .................................................................................................................2–4
Figure 2-2. Rear Panel View............................................................................................................................2–5
Figure 3-1. Front Panel View ..........................................................................................................................3–1
Figure 3-2. Main Menu (SDM-100 Operation) ...............................................................................................3–5
Figure 3-3. Configuration Modulator (SDM-100 Operation)..........................................................................3–8
Figure 3-4. Configuration Demodulator (SDM-100 Operation)....................................................................3–12
Figure 3-5. Configuration Interface (SDM-100 Operation) ..........................................................................3–16
Figure 3-5. Configuration Interface Continued (SDM-100 Operation).........................................................3–17
Figure 3-6. Configuration Local AUPC (SDM-100 Operation)....................................................................3–22
Figure 3-7. Monitor (SDM-100 Operation)...................................................................................................3–24
Figure 3-8. Faults/Alarms (SDM-100 Operation) .........................................................................................3–28
Figure 3-9. Stored FLTS/ALMS (SDM-100 Operation) ...............................................................................3–34
Figure 3-10. Remote AUPC (SDM-100 Operation) ......................................................................................3–36
Figure 3-11. Utility Modulator (SDM-100 Operation)..................................................................................3–38
Figure 3-12. Utility Demodulator ..................................................................................................................3–42
Figure 3-13. Utility Interface (SDM-100 Operation) ....................................................................................3–44
Figure 3-14. Utility System (SDM-100 Operation).......................................................................................3–48
Figure 3-15. Utility Modem Type (SDM-100 and Type 1 Operation) ..........................................................3–51
Figure 3-16. Utility Factory Setup (SDM-100 and Type 1 Operation) .........................................................3–52
Figure 3-17. Main Menu (Type 1 Operation) ................................................................................................3–53
Figure 3-18. Configuration (Type 1 Operation) ............................................................................................3–54
Figure 3-19. Monitor (Type 1 Operation)......................................................................................................3–60
Figure 3-20. Faults/Alarms (Type 1 Operation) ............................................................................................3–62
Figure 3-21. Stored FLT/ALMS (Type 1 Operation) ....................................................................................3–64
Figure 3-22. Utility Modulator (Type 1 Operation).......................................................................................3–68
Figure 3-23. Utility Demodulator (Type 1 Operation) ..................................................................................3–70
Figure 3-24. Utility Interface (Type 1 Operation) .........................................................................................3–72
Figure 3-25. Utility System (Type 1 Operation)............................................................................................3–74
Figure 3-26. RF Loopback.............................................................................................................................3–77
Figure 3-27. IF Loopback ..............................................................................................................................3–78
Figure 3-28. Baseband Loopback ..................................................................................................................3–78
Figure 3-29. Master/Master Clocking Block Diagram ..................................................................................3–80
Figure 3-30. Master/Slave Clocking Block Diagram.....................................................................................3–81
Figure 4-1. Modulator Block Diagram ............................................................................................................4–2
Figure 4-2. BPSK Ordering, Viterbi ...............................................................................................................4–4
Figure 4-3. Demodulator Block Diagram ........................................................................................................4–7
Figure 4-4. Viterbi Decoder Block Diagram ...................................................................................................4–8
Figure 4-5. Sequential Decoder Block Diagram............................................................................................4–10
Figure 4-6. RS-422 Block Diagram...............................................................................................................4–15
Figure 4-7. V.35 Interface .............................................................................................................................4–19
Figure 4-8. RS-232-C Interface .....................................................................................................................4–23
Figure 5-1. Typical Output Spectrum ..............................................................................................................5–3
Figure 5-2. Typical Output Spectrum With Noise...........................................................................................5–3
Figure 5-3. Typical Eye Constellations ...........................................................................................................5–5