Comtech EF Data DMD-2050E - Manual (Page 17)

DMD-2050E Universal Satellite Modem Revision 2
Table of Contents MN-DMD2050E
ix
6.4 Alarm Masks ............................................................................................................................... 6–8
6.4.1 Active Alarms ....................................................................................................................... 6–8
6.4.1.1 Major Alarms .................................................................................................................... 6–8
6.4.1.2 Minor Alarms .................................................................................................................... 6–8
6.4.2 Common Equipment Alarms ................................................................................................ 6–9
6.4.3 Latched Alarms ..................................................................................................................... 6–9
6.4.4 Backward Alarms ................................................................................................................ 6–11
6.5 IBS Alarms and Actions ........................................................................................................... 6–12
CHAPTER 7. TECHNICAL SPECIFICATIONS ..................................................................... 7–1
7.1 Modulator .................................................................................................................................... 7–1
7.2 Demodulator ................................................................................................................................ 7–2
7.3 Plesiochronous Buffer ................................................................................................................. 7–3
7.4 Monitor and Control ................................................................................................................... 7–3
7.5 Terrestrial Interfaces .................................................................................................................. 7–4
7.6 IBS/Synchronous Interface (Standard) ..................................................................................... 7–4
7.7 High-Speed Serial Interface (HSSI) & Gigi Ethernet Data Interface .................................... 7–4
7.8 Key loader interface .................................................................................................................... 7–4
7.9 Environmental ............................................................................................................................. 7–4
7.10 Physical ........................................................................................................................................ 7–4
7.11 Data Rate Limits ......................................................................................................................... 7–5
7.11.1 Non-DVB .............................................................................................................................. 7–5
7.11.2 DVB ...................................................................................................................................... 7–7
7.12 BER Specifications ...................................................................................................................... 7–9
7.12.1 BER Performance (Viterbi) .................................................................................................. 7–9
7.12.2 BER Performance (Sequential) ........................................................................................... 7–10
7.12.3 BER Performance (Viterbi with Reed-Solomon) ............................................................... 7–11
7.12.4 BER Performance (Turbo) .................................................................................................. 7–12
7.12.5 BER Performance (8PSK Trellis) ....................................................................................... 7–13
7.12.6 BER Performance (8PSK Turbo) ........................................................................................ 7–14
7.12.7 BER Performance (16QAM Viterbi) .................................................................................. 7–15
7.12.8 BER Performance (16QAM Viterbi with Reed-Solomon) ................................................. 7–16
7.12.9 BER Performance (16QAM Turbo) .................................................................................... 7–17
7.12.10 BER Performance (OQPSK Turbo) ................................................................................ 7–18
7.12.11 BER Performance (BPSK Turbo) ................................................................................... 7–19
7.12.12 BER Performance (8PSK Turbo) .................................................................................... 7–20
7.12.13 BER Performance (16QAM Turbo) ................................................................................ 7–21