Modulation and encoding types, 2 modulation and encoding types – Comtech EF Data SDM-300L3 User Manual
Page 314

SDM-300L3 Satellite Modem
Revision 0
Specifications
MN/SDM300L3.IOM
14–8
14.5.2 Modulation
and Encoding Types
The following combinations of modulation and forward error correction encoding are
available.
Table 14-5. Modulation and Encoding Types
Encoder
Code Rate
Reed-Solomon
Modulation
Viterbi, K7
1/2
BPSK
Viterbi, K7
1/2
225/205 Closed
BPSK
Viterbi, K7
1/2, 3/4, 7/8
QPSK, OQPSK
PTCM 2/3
8-PSK
Viterbi, K7
1/2, 3/4, 7/8
225/205 [4] IDR T1
225/205 [8] No Overhead, ASYNC Overhead
219/201 [4] VSAT IBS, IBS, IDR E1
126/112 [4] IDR Small Carrier, SDM-300
Legacy
QPSK
QPSK/OQPSK
QPSK
QPSK
PTCM
(RS EFD Compatible)
2/3
225/205 [ ] Closed or IDR T1
126/112 [ ] IBS and D&I
219/201 [ ] IDR E1
8-PSK
PTCM
(RS IESS-310 Compatible)
2/3
219/201 [4] No Overhead,
219/201 [4] IBS and D&I
219/201 [8] IDR T1/E1
8-PSK
Sequential 1/2
BPSK
Sequential
1/2
225/205 [ ] Closed
BPSK
Sequential
1/2, 3/4, 7/8
QPSK, OQPSK
Sequential
1/2, 3/4, 7/8
225/205 [ ] Closed
QPSK, OQPSK
Uncoded 1/1
BPSK,
QPSK,OQPSK
Turbo Product
21/44, 5/16
BPSK
Turbo Product
1/2, 3/4
QPSK,OQPSK
Turbo Product
3/4
8-PSK
Note: Interleaver depths are selectable at: 4, 8, or 16. The values shown are default or Open Network
specified.