Comtech EF Data SLM-5650B Installation And Operation Manual page 342

Command
Arguments for
Parameter
(Instruction Command or
Code and Response to
Type
Qualifier)
Tx Modulation TMD= 1 byte
Type
Tx Code Rate TCR= 1 byte
Appendix C
Description of Arguments
Query
Command or Query.
Tx Modulation type, where:
0 = BPSK
1 = QPSK
2 = OQPSK
3 = 8PSK
4 = 16QAM
5 = 8QAM
Depending on FEC type, not all selections will be valid.
Example: TMD=1 (selects QPSK)
Command or Query.
Tx Code Rate, where:
0 = 1/1 (Uncoded)
1 = 1/2
2 = 3/4
3 = 7/8
4 = 2/3
5 = 5/6
6 = 21/44
7 = 5/16
8 = 17/18
9 = Reserved
A = Reserved
B = .541
C = .451
D = .378
Depending on FEC type, not all selections will be valid.
Example: TCR=1 (selects Rate 1/2)
C–14
SLM-5650B Satellite Modem
Query
Response to Response to
(Instruction
Command Query
Code and
Qualifier)
TMD= TMD? TMD=x
TMD? (see Description of
Arguments)
TMD*
TMD#
TCR= TCR? TCR=x
TCR? (see Description of
Arguments)
TCR*
TCR#
MN-SLM-5650B
Revision 2