Comtech EF Data DMD1050TS - Page 5

DMD1050TS Satellite Modem Board
Revision 1
Table of Contents TOC-3 MN-DMD1050TS
4.4 BUC & LNB Power Input (J3) ............................................................................................................... 4–5
4.5 Modem Connections (Standard) .......................................................................................................... 4–5
4.5.1 EXT REF (J9) ...................................................................................................................................... 4–5
4.5.2 TX L-Band IF (J1) ................................................................................................................................ 4–6
4.5.3 RX L-Band IF (J2) ............................................................................................................................... 4–6
4.5.4 ASYNC & Remote Port (J3) – 10-Pin Dual Row Header .................................................................... 4–6
4.5.5 Default/Shorting Plug (JP1 JP2) - 3 Pin Male Connector ................................................................... 4–6
4.5.6 MIL-188-114A (J4) .............................................................................................................................. 4–8
4.5.7 Ethernet M&C (J11) ............................................................................................................................ 4–8
4.5.8 Ethernet Data Interface (J10) .............................................................................................................. 4–8
4.5.9 DS-101 Simple Key Loader (J17) ....................................................................................................... 4–9
4.5.10 Antenna Handover (J18) ..................................................................................................................... 4–9
CHAPTER 5. MAINTENANCE AND TROUBLESHOOTING ............................................. 5–1
5.1 Periodic Maintenance ........................................................................................................................... 5–1
5.2 Troubleshooting .................................................................................................................................... 5–1
5.2.1 Alarm Faults ........................................................................................................................................ 5–2
5.2.2 Alarm Masks........................................................................................................................................ 5–4
CHAPTER 6. TECHNICAL SPECIFICATIONS .................................................................. 6–1
6.1 Data Rates Limits .................................................................................................................................. 6–1
6.1.1 Non-EBEM Modes .............................................................................................................................. 6–1
6.1.2 EBEM Modes ...................................................................................................................................... 6–2
6.1.3 Non-DVB Modes ................................................................................................................................. 6–2
6.1.4 DVB Modes ......................................................................................................................................... 6–4
6.2 Modulator ............................................................................................................................................... 6–6
6.3 Demodulator .......................................................................................................................................... 6–7
6.4 Plesiochronous Buffer .......................................................................................................................... 6–8
6.5 Monitor and Control .............................................................................................................................. 6–8
6.6 Terrestrial Interfaces ............................................................................................................................. 6–8
6.7 Environmental ....................................................................................................................................... 6–8
6.8 Physical .................................................................................................................................................. 6–8
6.9 BER Specifications ............................................................................................................................... 6–9
6.9.1 BER Performance (Viterbi) .................................................................................................................. 6–9
6.9.2 BER Performance (Sequential) ......................................................................................................... 6–10
6.9.3 BER Performance (Viterbi - w/Reed-Solomon) ................................................................................. 6–11
6.9.4 BER Performance (8PSK Trellis) ...................................................................................................... 6–12
6.9.5 BER Performance (16QAM Viterbi) .................................................................................................. 6–13
6.9.6 BER Performance (16QAM Viterbi w/Reed-Solomon) ..................................................................... 6–14
6.9.7 BER Performance ((O)QPSK Turbo) ................................................................................................ 6–15
6.9.8 BER Performance (BPSK Turbo) ...................................................................................................... 6–16
6.9.9 BER Performance (8PSK Turbo) ...................................................................................................... 6–17
6.9.10 BER Performance (16QAM Turbo) ................................................................................................... 6–18
6.9.11 B/O/QPSK BER Performance (LDPC) .............................................................................................. 6–19
6.9.12 8PSK/8QAM BER Performance (LDPC) ........................................................................................... 6–20
6.9.13 16QAM BER Performance (LDPC) ................................................................................................... 6–21
6.9.14 BER Performance B/O/QPSK (MILSTD 188-165B or STANAG) Turbo ........................................... 6–22
6.9.15 BER Performance 8-PSK (MILSTD 188-165B or STANAG) Turbo .................................................. 6–23
6.9.16 BER Performance 16APSK (MILSTD 188-165B or STANAG) Turbo............................................... 6–24
6.10 ACG Output Voltage ........................................................................................................................... 6–30
6.11 DMD Input Level Specification........................................................................................................... 6–31