CDM-625 Advanced Satellite Modem
Revision 1
Introduction
MN-0000036 (Ref MN/CDM625.IOM)
1.7.7
Data Rate Ranges
UNFRAMED, NO REED SOLOMON
Lower Limit (kbps)
Upper Limit (kbps)
No FEC, BPSK
18.0
12500
No FEC, O/QPSK
36.0
25000.0
VITERBI, BPSK, 1/2
18.0
6250.0
VITERBI, O/QPSK, 1/2
18.0
12500.0
VITERBI, O/QPSK, 3/4
27.0
18750.0
VITERBI, O/QPSK, 7/8
31.5
21875.0
TRELLIS, 8-PSK, 2/3
36.0
25000.0
TPC, BPSK, 5/16
18.0
3906.2
TPC, BPSK, 21/44 (aka 1/2)
18.0
5965.9
TPC, O/QPSK, 21/44 (aka 1/2)
18.0
11931.8
TPC, O/QPSK, 3/4
27.0
18750.0
TPC, O/QPSK, 17/18 (aka 0.95)
34.2
23611.1
TPC, O/QPSK, 7/8
31.5
21875.0
TPC, 8-PSK/8-QAM, 3/4
40.0
25000.0
TPC, 8-PSK/8-QAM, 17/18 (aka 0.95)
52.0
25000.0
TPC, 8-PSK/8-QAM, 7/8
48.0
25000.0
TPC, 16-QAM, 3/4
54.0
25000.0
TPC, 16-QAM, 7/8
63.0
25000.0
LDPC, BPSK, 1/2
18.0
6250.0
LDPC, O/QPSK, 1/2
18.0
12500.0
LDPC, QPSK, 3/4
27.0
18750.0
LDPC, QPSK, 2/3
24.0
16666.6
LDPC, 8-PSK/8-QAM, 3/4
40.5
25000.0
LDPC, 8-PSK/8-QAM, 2/3
36.0
25000.0
LDPC, 16-QAM, 3/4
54.0
25000.0
UNFRAMED, ANY REED SOLOMON
Lower Limit (kbps)
Upper Limit (kbps)
VITERBI, BPSK, 1/2
18.0
5555.0
VITERBI, O/QPSK, 1/2
18.0
11111.0
VITERBI, O/QPSK, 3/4
27.0
16666.7
VITERBI, O/QPSK, 7/8
31.5
19444.0
TRELLIS, 8-PSK, 2/3
36.0
22222.0
VIT 16-QAM, 3/4
54.0
25000.0
VIT 16-QAM, 7/8
63.0
25000.0
EDMAC or EDMAC-2, NO REED SOLOMON
Lower Limit (kbps)
Upper Limit (kbps)
No FEC, BPSK
18.0
12295.0
No FEC, O/QPSK
35.5
24590.1
VITERBI, BPSK, 1/2
18.0
6147.5
VITERBI, O/QPSK, 1/2
18.0
12295.0
VITERBI, O/QPSK, 3/4
26.6
18442.6
VITERBI, O/QPSK, 7/8
31.0
21516.3
TRELLIS, 8-PSK, 2/3
35.5
24590.1
TPC, BPSK, 5/16
18.0
3842.2
TPC, BPSK, 21/44 (aka 1/2)
18.0
5868.1
TPC, O/QPSK, 21/44 (aka 1/2)
18.0
11736.2
1–18