Comtech EF Data CDM-700 Installation And Operation Manual page 163

CDM-700 High Speed Satellite Modem
Remote Control
Priority System = ITF (Highest priority), RFT, RMD, and RCR (Lowest Priority), indicated by shading. Any change to a higher priority
parameter can override any of the parameters of lower priority.
Command Arguments
Parameter (Instruction for Command
Type Code and or Response
Qualifier)
Rx FEC Type N/A 1 byte
Rx Demod RMD= 1 byte
type
Rx FEC Code RCR= 1 byte
Rate
Rx Data Rate RDR= 10 bytes
Rx Alpha RAR= 1 byte
Rolloff
Description of Arguments
to Query
Query only.
Rx FEC Type, where:
0=Turbo
Example: RFT=0 (which is Turbo coding)
Command or Query.
Rx Demodulation, where:
0=QPSK
1=8PSK
2=16QAM
3=Reserved
4=64QAM
Depending on FEC type, not all of these selections will be valid.
Example: RMD=2 (selects 16QAM)
Command or Query.
Rx FEC Code Rate, where:
0 = Rate 3/4
1 = Rate 7/8
Depending on FEC type, not all of these selections will be valid.
Example: RCR=0 (selects Rate 3/4)
Query only.
Composite Rx Data Rate, in Mbps.
Resolution=1 bps
Example: RDR=002.047999 (which is 2.047999 Mbps)
Command or Query
Rx Alpha Rolloff, where:
1 = 25%
2 = 35%
Example: RAR=1 (which is a Rx Alpha Rolloff of 25%)
Response to
Command
N/A
RMD=
RMD?
RMD*
RMD#
RCR=
RCR?
RCR*
RCR#
N/A
RAR=
RAR?
RAR*
RAR#
11–13
Revision 5
MN/CDM700.IOM
Query
(Instruction
Response to Query
Code and
Qualifier)
RFT? RFT=x
(same format
as command argument)
RMD? RMD=x
(see description of
arguments)
RCR? RCR=x
(see description of
arguments)
RDR? RDR=xxx.xxxxxx
(see description of
arguments)
RAR? RAR=x
(see description of
arguments)