Comtech EF Data SLM-5650B - Demodulator (Rx) Commands; Queries

SLM-5650B Satellite Modem
Revision 2
Appendix C C–21 MN-SLM-5650B
C.6.3 Demodulator (Rx) Commands / Queries
Rx Priority System = Highest priority commands are indicated by shading . Any change to a higher priority parameter can override any
of the parameters of lower priority.
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
Rx Framing
Mode
RFM= 1 byte Command or Query.
Rx Overhead Type, where:
0 = None (Unframed)
1 = IBS
2 = IDR
3 = Reserved
4 = AUPC
Depending on Modem mode, not all selections will be valid.
Example: RFM = 0 (selects Unframed mode)
RFM=
RFM?
RFM*
RFM#
RFM? RFM=x
(see Description
of Arguments)
Rx FEC Type
RFT=
1 byte
Command or Query.
Rx FEC coding type, where:
0 = None (Uncoded)
1 = Viterbi
2 = Turbo
3 = Sequential
4 = LDPC ULL (Ultra Low Latency)
5 = LDPC LL (Low Latency)
6 = LDPC HP (High Performance)
Example: RFT = 2 (selects Turbo coding)
RFT=
RFT?
RFT*
RFT#
RFT?
RFT=x
(same format
as command
argument)