Comtech EF Data SLM-5650A Installation And Operation Manual page 285

B.2.14 LDPC Mode – Low Latency (LL)
Modulation Type
BPSK .382
BPSK .456
BPSK .547
QPSK 1/2
QPSK 2/3
QPSK 3/4
QPSK 7/8
8QAM 2/3
8QAM 3/4
8QAM 7/8
16QAM 2/3
16QAM 3/4
16QAM 7/8
*Minimum Data Rate is 8 kbps with Spreading Enabled
B.2.15 LDPC Mode – High Performance (HP)
Modulation Type
BPSK 1/2
QPSK 1/2
QPSK 2/3
QPSK 3/4
OQPSK 1/2
OQPSK 2/3
OQPSK 3/4
8QAM 2/3
8QAM 3/4
16QAM 3/4
*Minimum Data Rate is 8 kbps with Spreading Enabled
Appendix B
Data Rate (kbps)
Min Max
32* 5000
32* 5000
32* 5000
32 5000
42.480 5000
47.720 5000
55.767 5000
256 5000
256 5000
256 5000
256 5000
256 5000
256 5000
Data Rate (kbps)
Min Max
32* 15000
32 30000
42.667 40000
48 45000
32 30000
42.667 40000
48 45000
256 41000
256 46000
256 46000
Symbol Rate (ksps)
Min
84.676
71.019
59.182
32.188
32
32
32
128.313
114.223
97.741
96.140
85.584
73.234
Symbol Rate (ksps)
Min
64
32
32
32
32
32
32
128
113.777
85.333
B–15
SLM-5650A Satellite Modem
Revision 10
DR to SR
Multiplier
Max
13230.769 4128/1560
11096.774 4128/1860
9247.311 4128/2232
5029.411 4104/4080
3766.519 4104/5448
3352.941 4104/6120
2869.127 4104/7152
2506.118 4096/8172
2230.936 4096/9180
1909.023 4096/10728
1877.753 4092/10944
1671.568 4092/12240
1430.369 4092/14304
DR to SR
Multiplier
Max
30000 16416/8208
30000 8208/8208
30000 8208/10944
30000 8208/12384
30000 8208/8208
30000 8208/10944
30000 8208/12384
20500 5472/10944
20444.444 5504/12384
15333.333 4128/12384
MN-SLM-5650A