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

7.5.4

Demodulator (Rx) Commands / Queries

Rx Priority System = (Highest priority) RFM, RFT, RMD, RCR, and RDR (Lowest Priority). Priority commands are indicated by
change to a higher priority parameter can override any of the parameters of lower priority.
Command Arguments for
Parameter (Instruction Command or
Type Code and Response to
Qualifier) Query
Rx Framing RFM= 1 byte
Mode
Rx FEC RFT= 1 byte
Type
Rx Demod RMD= 1 byte
type
Serial Remote Control
Description of Arguments
Command or Query.
Rx Overhead Type, where:
0=None (Unframed)
1=IBS
2=IDR
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)
Command or Query.
Rx 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: RMD=1 (selects QPSK)
SLM-5650C / SLM-5650C-ODU Satellite Modem
7–17
Revision 1
shading
Query
Response to (Instruction Response to
Command Code and Query
Qualifier)
RFM= RFM? RFM=x
RFM? (see Description of
RFM* Arguments)
RFM#
RFT= RFT? RFT=x
RFT? (same format
RFT* as command
RFT# argument)
RMD= RMD? RMD=x
RMD? (see Description of
RMD* Arguments)
RMD#
MN-SLM-5650C
. Any