Modulation And Encoding Types - Comtech EF Data SDM-300L3 Installation And Operation Manual

SDM-300L3 Satellite Modem
Specifications
14.5.2

Modulation and Encoding Types

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