Comtech EF Data DMD-2050E - Manual (Page 23)

DMD-2050E Universal Satellite Modem Revision 2
Table of Contents MN-DMD2050E
xv
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