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CDM-600L Satellite Modem
Remote Control
Command
Arguments
(Instruction
for Command
Parameter
Type
Code and
or Response
Qualifier)
Rx FEC Type
RFT=
1 byte, value
of 0 thru 9
Rx Demod
RMD=
1 byte, value
Type
of 0 thru 5
Description of Arguments
to Query
Command or Query.
Rx FEC Type, where:
0=None (uncoded, rate 1/1) with differential encoding ON
1=Viterbi
2=Viterbi + Reed-Solomon
3=Sequential
4=Sequential + Reed-Solomon
5=TCM (Trellis Code Modulation)
6=TCM + Reed-Solomon
7=Turbo (TPC)
8=None (uncoded, rate 1/1) with differential encoding OFF
9=LDPC (Requires TPC/LDPC codec)
Example: RFT=1 (which is Viterbi only)
Command or Query.
Rx Demodulation, where:
0=BPSK
1=QPSK
2=OQPSK
3=8PSK
4=16QAM (Turbo or Viterbi + RS only)
5=8-QAM (LDPC only)(Requires TPC/LDPC codec and
FAST option
Depending on FEC type, not all of these selections will be
valid.
All other codes are invalid.
Example: RMD=2 (selects OQPSK)
Response to
Command
RFT=
RFT?
RFT*
RFT#
RMD=
RMD?
RMD*
RMD#
16–14
Revision 2
MN/CDM600L.IOM
Query
(Instruction
Response to Query
Code and
Qualifier)
RFT?
RFT=x
(same format
as command argument)
RMD?
RMD=x
(see description of
arguments)
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