SLM-5650B Satellite Modem
Revision 2
Appendix C C–14 MN-SLM-5650B
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of Arguments
Response to
Command
Query
(Instruction
Code and
Qualifier)
Response to
Query
Tx Modulation
Type
TMD= 1 byte 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)
TMD=
TMD?
TMD*
TMD#
TMD? TMD=x
(see Description of
Arguments)
Tx Code Rate TCR= 1 byte 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)
TCR=
TCR?
TCR*
TCR#
TCR? TCR=x
(see Description of
Arguments)
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