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CDM-600 Satellite Modem Revision 7
Summary of Specifications MN/CDM600.IOM
15–8
15.6 Data Rate Ranges
Code Rate/Modulation FEC Type Data Rate Range
Uncoded BPSK None 4.8 kbps to 10.0 Mbps
Uncoded QPSK/OQPSK None 9.6 kbps to 20 Mbps
Rate 1/2 BPSK Viterbi 2.4 kbps to 5.0 Mbps
Rate 1/2 BPSK Sequential 2.4 kbps to 1.024 Mbps
Rate 1/2 BPSK Viterbi with R-S 2.4 kbps to 4.444 Mbps
Rate 1/2 BPSK Sequential with R-S 2.4 kbps to 1.024 Mbps
Rate 1/2 QPSK/OQPSK Viterbi 4.8 kbps to 10.0 Mbps
Rate 1/2 QPSK/OQPSK Sequential 4.8 kbps to 2.048 Mbps
Rate 1/2 QPSK/OQPSK Viterbi with R-S 4.8 kbps to 8.888 Mbps
Rate 1/2 QPSK/OQPSK Sequential with R-S 4.8 kbps to 2.048 Mbps
Rate 3/4 QPSK/OQPSK Viterbi 7.2 kbps to 15 Mbps
Rate 3/4 QPSK/OQPSK Sequential 7.2 kbps to 2.048 Mbps
Rate 3/4 QPSK/OQPSK Viterbi with R-S 7.2 kbps to 13.333 Mbps
Rate 3/4 QPSK/OQPSK Sequential with R-S 7.2 kbps to 2.048 Mbps
Rate 7/8 QPSK/OQPSK Viterbi 8.4 kbps to 17.5 Mbps
Rate 7/8 QPSK/OQPSK Sequential 8.4 kbps to 2.048 Mbps
Rate 7/8 QPSK/OQPSK Viterbi with R-S 8.4 kbps to 15.555 Mbps
Rate 7/8 QPSK/OQPSK Sequential with R-S 8.4 kbps to 2.048 Mbps
Rate 2/3 8-PSK TCM 9.6 kbps to 20.0 Mbps
Rate 2/3 8-PSK TCM with R-S 9.6 kbps to 17.777 Mbps
Rate 3/4 16-QAM Viterbi with R-S 14.4 kbps to 20.0 Mbps
Rate 7/8 16-QAM Viterbi with R-S 16.8 kbps to 20.0 Mbps
Rate 21/44 BPSK TPC 4.8 kbps to 3.2 Mbps (to 4.77 Mbps with High Rate Turbo card)
Rate 5/16 BPSK TPC 4.8 kbps to 2.048 Mbps(to 3.12 Mbps with High Rate Turbo card)
Rate 3/4 QPSK/OQPSK TPC 7.2 kbps to 5.0 Mbps (to 15 Mbps with High Rate Turbo card)
Rate 3/4 8-PSK TPC 10.8 kbps to 5.0 Mbps (to 20 Mbps with High Rate Turbo card)
Rate 3/4 16-QAM TPC 14.4 kbps to 5.0 Mbps (to 20 Mbps with High Rate Turbo card)
Rate 1/2 QPSK/OQPSK TPC 4.8 kbps to 9.54 Mbps (High Rate Turbo card only)
Rate 7/8 QPSK/OQPSK TPC 8.4 kbps to 17.5 Mbps (High Rate Turbo card only)
Rate 0.95 QPSK/OQPSK TPC 9.1 kbps to 18.888 Mbps (High Rate Turbo card only)
Rate 7/8 8-PSK TPC 12.6 kbps to 20 Mbps (High Rate Turbo card only)
Rate 0.95 8-PSK TPC 13.6 kbps to 20 Mbps (High Rate Turbo card only)
Rate 7/8 16-QAM TPC 16.8 kbps to 20 Mbps (High Rate Turbo card only)
Rate 1/2 BPSK LDPC 2.4 kbps to 5.0 Mbps
Rate 1/2 QPSK/OQPSK LDPC 4.8 kbps to 10.0 Mbps
Rate 2/3 QPSK/OQPSK LDPC 6.4 kbps to 13.333 Mbps
Rate 3/4 QPSK/OQPSK LDPC 7.2 kbps to 15.0 Mbps
Rate 2/3 8-PSK/8-QAM LDPC 9.6 kbps to 19.0 Mbps
Rate 3/4 8-PSK/8-QAM LDPC 10.8 kbps to 20.0 Mbps
Rate 3/4 16-QAM LDPC 14.4 kbps to 20.0 Mbps
Important Notes:
1) If EDMAC framing is employed, the upper data rate will be reduced by 5% for data rates up to 2.048 Mbps, and by 1.58% for
data rates above 2.048 Mbps)
2) If ESC++ framing is employed, the upper data rate will be reduced 1.58%.