Comtech EF Data DMD-2050E Installation And Operation Manual page 60

DMD-2050E Universal Satellite Modem Revision 2
Table of Contents MN-DMD2050E
Figures
Figure 1-1. DMD2050E Universal Satellite Modem Front Panel ............................................................. 1-1
Figure 3-1. DMD2050E Block Diagram ..................................................................................................... 3-1
Figure 3-2. IF Card Block Diagram ........................................................................................................... 3-2
Figure 3-3. DMD2050E Baseband Processing Card Block Diagram ....................................................... 3-4
Figure 3-4. DMD2050E Universal Satellite Modem Functional Block Diagram ........................................ 3-6
Figure 3-5. Loopback Functional Block Diagram .................................................................................... 3-11
Figure 3-6. Loopback Functional Block Diagram .................................................................................... 3-12
Figure 3-7. Loopback Functional Block Diagram .................................................................................... 3-13
Figure 3-8. Clocking and Polarity Diagram ............................................................................................. 3-14
Figure 3-9. Traffic Encryption Key Negotiation ....................................................................................... 3-22
Figure 3-10. Traffic Decryption Key Negotiation ..................................................................................... 3-23
Figure 3-11. TRANSEC Secure Web Browser Configuration Page ....................................................... 3-25
Figure 3-12. DMD2050E Handheld Key Loader ..................................................................................... 3-26
Figure 3-13. Conceptual Block Diagram ................................................................................................. 3-29
Figure 3-14. Conventional FDMA Link .................................................................................................... 3-30
Figure 3-15. Same Link Using DMD2050E and DoubleTalk Carrier-in-Carrier ..................................... 3-31
Figure 3-16. Duplex Link Optimization .................................................................................................... 3-32
Figure 3-17. DoubleTalk Carrier-in-Carrier Signals ................................................................................ 3-34
Figure 3-18. Carrier-in-Carrier Signal Processing Block Diagram .......................................................... 3-34
Figure 3-19. TPC & LDPC Modes Performance (Relative to Shannon Limit) ........................................ 3-53
Figure 3-20. Reed-Solomon Encoder Functional Block Diagram ........................................................... 3-57
Figure 3-21. Reed-Solomon Decoder Functional Block Diagram ........................................................... 3-57
Figure 3-22. 1 to 3 Control Ratio ............................................................................................................. 3-63
Figure 3-23. 1 to 1 Control Ratio ............................................................................................................. 3-63
Figure 4-1. Front Panel ............................................................................................................................. 4-1
Figure 4-2. Enter New Parameters .......................................................................................................... 4-4
Figure 5-1. DMD2050E Universal Satellite Modem Front Panel .............................................................. 5-1
Figure 5-2. DMD2050E Rear Panel .......................................................................................................... 5-1
Figure 5-3. DMD2050E Rear Panel Configurations .................................................................................. 5-1
Figure 6-1. IBS Alarms ........................................................................................................................... 6-12
Figure 7-1. DMD2050E B/O/QPSK BER Performance (Viterbi) ............................................................... 7-9
Figure 7-2. DMD2050E B/O/QPSK BER Performance (Sequential) ...................................................... 7-10
Figure 7-3. DMD2050E B/O/QPSK BER Performance (Viterbi with Reed-Solomon) ............................ 7-11
Figure 7-4. DMD2050E B/O/QPSK BER Performance (Turbo) .............................................................. 7-12
Figure 7-5. DMD2050E 8PSK BER Performance (Trellis) ...................................................................... 7-13
Figure 7-6. DMD2050E 8PSK BER Performance (Turbo) ...................................................................... 7-14
Figure 7-7. DMD2050E 16QAM BER Performance (Viterbi) .................................................................. 7-15
Figure 7-8. DMD2050E 16QAM BER Performance (Viterbi with Reed-Solomon) ................................. 7-16
Figure 7-9. DMD2050E 16QAM BER Performance (Turbo) ................................................................... 7-17
Figure 7-10. DMD2050E OQPSK BER Performance (Turbo) ................................................................ 7-18
Figure 7-11. DMD2050E BPSK BER Performance (Turbo) ................................................................... 7-19
Figure 7-9. DMD2050E 8PSK BER Performance (Turbo) ...................................................................... 7-20
Figure 7-13. DMD2050E 16QAM BER Performance (Turbo) ................................................................. 7-21
Figure 7-14. DMD2050E B/O/QPSK BER Performance (LDPC) ............................................................ 7-22
Figure 7-15. DMD2050E 8PSK / 8QAM BER Performance (LDPC) ...................................................... 7-23
Figure 7-16. DMD2050E 16QAM BER Performance (LDPC) ................................................................. 7-24
Figure 7-17. DMD2050E BER Performance B/O/QPSK (MILSTD 188-165B or STANAG) Turbo ......... 7-25
Figure 7-18. DMD2050E BER Performance 8-PSK (MILSTD 188-165B or STANAG) Turbo ............... 7-26
Figure 7-16. DMD2050E BER Performance 16APSK (MILSTD 188-165B or STANAG) ....................... 7-27
Figure D-1. WEB Browser Equipment Introduction Page ........................................................................ D-6
Figure D-2. Login Window ........................................................................................................................ D-7
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