Comtech EF Data CDM-710G - Manual (Page 196)

CDM-710G High-Speed Satellite Modem Revision 1
Remote Control MN-CDM710G
A–6
A.6.1 Modulator
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.
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of Arguments
Response to
Command
Query
(Instruction
Code and
Qualifier)
Response to Query
Tx Modulation
Type TMD= 1 byte Command or Query.
Tx Modulation type, where:
0=QPSK
1=8PSK
2=Reserved
3=16APSK
4=32APSK
Example: TMD=1 (which is 8PSK)
TMD=
TMD?
TMD*
TMD# TMD? TMD=x
Tx FEC Code
Rate TCR= 1 byte 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)
*NOTE: Please refer to Sect. 1.8 Summary of Specifications for a list of
available code rates for each modulation type.
TCR=
TCR?
TCR*
TCR# TCR? TCR=x
Tx Symbol Rate TSR= 9 bytes Command or Query.
Tx Symbol Rate, where:
s=Symbol Rate in Msps
Example: TSR=20.000000 (20 Msps.)
TSR=
TSR?
TSR*
TSR# TSR? TSR=ss.ssssss
Clear All Stored
Events CAE= None Command Only.
Forces the software to clear the software events log.
Example: CAE=
Note: This command takes no arguments
CAE=
CAE?
CAE*
CAE# N/A N/A
Circuit ID String CID= 24 bytes Command or Query.
Sets or queries the user-defined Circuit ID string, which is a fixed length of
24 characters.
Valid characters include: Space ( ) * + – , . / 0 9 and A thru Z CID=
CID?
CID*
CID# CID? CID=xxxxxxxxxxxxxxxxx
xxxxxxx