Demodulator (Rx) Commands / Queries - Comtech EF Data SLM-5650B Installation And Operation Manual

C.6.3

Demodulator (Rx) Commands / Queries

Rx Priority System = Highest priority commands are indicated by
of the parameters of lower priority.
Command
Arguments for
Parameter
(Instruction Command or
Code and Response to
Type
Qualifier)
Rx Framing RFM= 1 byte
Mode
Rx FEC Type RFT= 1 byte
Appendix C
Description of Arguments
Query
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)
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)
. Any change to a higher priority parameter can override any
shading
RFM=
RFM?
RFM*
RFM#
RFT=
RFT?
RFT*
RFT#
C–21
SLM-5650B Satellite Modem
Query
Response to Response to
(Instruction
Command
Code and
Qualifier)
RFM=x
RFM?
(see Description
of Arguments)
RFT? RFT=x
(same format
as command
argument)
MN-SLM-5650B
Revision 2
Query