Rx Parameters - Comtech EF Data CDM-750 Installation And Operation Manual

CDM-750 Advanced High-Speed Trunking Modem
Appendix D
D.6.2

Rx Parameters

Command
Parameter Number of
(Instruction
Type Arguments
& Qualifier)
Es/No Alarm EBA= 4 bytes
Point
Rx Alpha
N/A N/A
Rolloff
Rx Data Rate RDR= 10 bytes
Rx Framing N/A N/A
Mode
Rx Frequency RFQ= 9 bytes
Rx Gold Code
RGS= 6 bytes
Sequence Index
Description of Arguments
Command or Query.
Es/No alarm point in dB in the form xx.x:
Range is from 0.1 and 25 dB.
Resolution=0.1dB
Example: EBA=12.3
Query only.
Rx Alpha Rolloff in the form x, where:
0=20%
1=25%
2=35%
Example: RAR=0 (a Rx Alpha Rolloff of 20%)
Command or Query.
Rx Data Rate, in Ksps, in the form xxxxxx.xxx:
Resolution=1bps
Note: If the Data Rate is set, then the Symbol Rate will be automatically calculated
and updated. The symbol rate will be limit checked to assure valid ranges.
Example: RDR=002047.999.
Query only.
Rx Framing mode in the form x, where:
0=DVB-S2 Normal
1=DVB-S2 Short Block
Example: RFM=0 (Normal Block)
Command or Query.
Rx Frequency ranges in the form xxxxxx.xxx:
Resolution=100Hz
50 MHz to 180 MHz, and
950 MHz to 2150 MHz
Note: The CDM-750 supports 70/140 MHz bands and L-Band.
Example: RFQ=0950.9872
Command or Query.
Rx Gold Code Sequence Index in the form xxxxxx, where:
xxxxxx=0 to 262141
Example: RGS=189063
D–11
Query
Response to
(Instruction & Response to Query
Command
Qualifier)
EBA= EBA? EBA=xx.x
EBA? (see Description of
Arguments)
EBA*
EBA#
RAR=
RAR? RAR=x
RAR?
RAR*
RAR#
RDR= RDR? RDR=xxxxxx.xxx
RDR? (see Description of
Arguments)
RDR*
RDR#
RFM= RFM? RFM=x
RFM? (see Description of
Arguments)
RFM*
RFM#
RFQ= RFQ? RFQ=xxxx.xxxx
RFQ? (see Description of
Arguments)
RFQ*
RFQ#
RGS=
RGS? RGS=xxxxxx
RGS?
RGS*
RGS#
Revision 1
MN-CDM750