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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
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Figures
SDM-100A Satellite Modem
Rev. 0
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