A.6.4 Priority System - Comtech EF Data CDM-710G Installation And Operation Manual

High-speed satellite modem
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CDM-710G High-Speed Satellite Modem
Remote Control

A.6.4 Priority System

Priority System = (Highest priority) RMD, RCR, and (Lowest Priority) RSR. 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)
Rx Modulation
N/A
1 byte
Type
Rx FEC Code
N/A
1 byte
Rate
Rx Symbol Rate
RSR=
9 bytes
Enable/Disable
AEQ=
1 byte
Adaptive
Equalizer
Description of Arguments
Query
Query Only.
Rx Modulation type, where:
0=QPSK
1=8PSK
2=Reserved
3=16APSK
4=32APSK
Example: RMD=1 (which is 8PSK)
Returns RMD=x if Demodulator unlocked.
This is automatically detected on demod acquisition.
Query Only.
Rx 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: RCR=0 (which is Rate 3/4)
Returns RCR=x if Demodulator unlocked.
This is automatically detected on demod acquisition.
Command or Query.
Rx Symbol Rate, where:
s=Symbol Rate in Msps
Example: RSR=20.000000 (20 Msps.)
*NOTE: Please refer to Sect. 1.8 Summary of Specifications for
available symbol rates for each modulation.
Command or Query.
Adaptive Equalizer status, where:
0=Disable
1=Enable
Example: AEQ=1 (which is Enable)
Response to
N/A
N/A
RSR=
RSR?
RSR*
RSR#
AEQ=
AEQ?
AEQ*
AEQ#
A–33
MN-CDM710G
Query
(Instruction
Response to Query
Command
Code and
Qualifier)
RMD?
RMD=x
RCR?
RCR=x
RSR?
RSR=ss.ssssss
AEQ?
AEQ=x
Revision 1

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