SLM-5650B Satellite Modem
Revision 2
Appendix B B–8 MN-SLM-5650B
Modulation Type Overhead
R-S Code
Word
R-S Depth Data Rate (kbps) Symbol Rate (ksps)
QPSK 7/8 IESS-308 208,192 4, 8, 16 34368 21473.714
QPSK 7/8 IESS-308 208,192 4, 8, 16 44736 27922.857
B.1.5 IESS-308 Mode – Extended
Modulation
Type
Overhead
R-S Code
Word
R-S Depth
Data Rate (kbps) Symbol Rate (ksps)
Min Max Min Max
QPSK 1/2 None 126,112 4, 8, 16 64 26666.666 72 29999.999
QPSK 1/2 None 219,201 4, 8, 16 64 27534.246 69.371 29999.999
QPSK 1/2 None 194,178 4, 8, 16 64 27525.773 69.573 30000
QPSK 1/2 IESS-309 Off N/A 64 8448 68.267 9011.2
QPSK 1/2 IESS-309 126,112 4, 8, 16 64 8448 76.8 10137.6
QPSK 1/2 IESS-309 208,192 4, 8, 16 64 8448 74.311 9809.067
QPSK 3/4 None Off N/A 64 45000 42.666 30000
QPSK 3/4 None 126,112 4, 8, 16 64 40000 48 30000
QPSK 3/4 None 225,205 4, 8, 16 64 41000 46.829 30000
QPSK 3/4 None 208,192 4, 8, 16 64 41339.713 46.444 30000
QPSK 3/4 IESS-309 219,201 4, 8, 16 64 8448 49.587 6545.449
QPSK 3/4 IESS-309 194,178 4, 8, 16 64 8448 49.602 6547.464
QPSK 7/8 None 126,112 4, 8, 16 64 46666.666 41.143 30000
QPSK 7/8 None 219,201 4, 8, 16 64 48184.931 39.846 29999.999
QPSK 7/8 None 208,192 4, 8, 16 64 48229.665 39.81 29999.999
QPSK 7/8 IESS-309 Off N/A 64 8448 39.01 4827.428