Modem - Comtech EF Data CDM-710G Installation And Operation Manual

CDM-710G High-Speed Satellite Modem
Remote Control
Command Arguments for
Parameter (Instruction Command or
Type Code and Response to
Qualifier)
Temperature N/A 3 bytes
A.6.3

Modem

Priority System = (Highest priority) TMD, TCR, and (Lowest Priority) TSR. Any 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)
Tx Modulation TMD= 1 byte
Type
Tx FEC Code TCR= 1 byte
Rate
Tx Symbol Rate TSR= 9 bytes
Description of Arguments
Query
Query Only.
Unit returns the value of the internal temperature, in the form of sxxx
(degrees C). Where s is the sign and and xxx is the number of degrees.
Example: TMP=+026
Description of Arguments
Query
Command or Query.
Tx Modulation type, where:
0=QPSK
1=8PSK
2=Reserved
3=16APSK
4=32APSK
Example: TMD=1 (which is 8PSK)
Command or Query.
Tx Code Rate, where:
0 = Rate 3/4
1 = Reserved
2 = Rate 3/5
3 = Rate 4/5
4 = Rate 5/6
5 = Rate 8/9
6 = Rate 9/10
7 = Rate 2/3
8 = Rate 1/2
Example: TCR=0 (which is Rate 3/4)
Command or Query.
Tx Symbol Rate, where:
s=Symbol Rate in Msps
Example: TSR=20.000000 (20 Msps.)
A–27
Query
Response to (Instruction
Response to Query
Command Code and
Qualifier)
TMP? TMP? TMP=sxxx
TMP*
TMP#
Query
Response to (Instruction
Response to Query
Command Code and
Qualifier)
TMD= TMD? TMD=x
TMD?
TMD*
TMD#
TCR= TCR? TCR=x
TCR?
TCR*
TCR#
TSR= TSR? TSR=ss.ssssss
TSR?
TSR*
TSR#
Revision 1
MN-CDM710G