Comtech EF Data CDM-710, Installation And Operation Manual

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CDM-710 Broadcast Satellite Modem Revision 11
Appendix A MN/CDM710.IOM
A–39
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
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=xxxxxxxxxxxxxxxxxxxxxx
xx
Configuration
Load
CLD= 1 byte Command Only
Retrieves a previously stored configuration from the specified configuration
location (0 to 9).
Example: CLD=4 (retrieve configuration from Location 4)
CLD=
CLD?
CLD*
CLD# N/A N/A
Configuration
Save
CST= 1 byte Command only.
Stores the current configuration in the specified configuration location (0 to 9).
Example: CST=4 (store the current configuration in Location 4)
CST=
CST?
CST*
CST# N/A N/A
Real-time Clock
Date
DAY= 6 bytes Command or Query.
A date in the form ddmmyy, where:
dd = day of the month (01 to 31),
mm = month (01 to 12)
yy = year (00 to 99)
Example: DAY=240457 (April 24, 2057)
DAY=
DAY?
DAY*
DAY# DAY? DAY=ddmmyy
Demodulator
Lock Status
N/A 1 byte Query only.
Demodulator Lock Status in the form x, where:
0 = Demodulator Unlocked
1 = Demodulator Locked
Example: DLK=1 ( Demodulator Locked)
DLK?
DLK*
DLK# DLK? DLK=x
Eb/No Alarm
Point
EBA= 4 bytes Command or Query.
Eb/No alarm point in dB, with a range between 0.1 and 16 dB.
Resolution=0.1 dB
Example: EBA=12.3
EBA=
EBA?
EBA*
EBA# EBA? EBA=xx.x
(See Description of
Arguments)
Rx Eb/No
N/A 4 bytes Query only.
Unit returns the value of Eb/No (when in DVB-S or DVB-DSNG mode), between
0 and 16 dB, resolution 0.1 dB.
Returns 99.9 if demod is unlocked.
Example: EBN=12.3 (Eb/No specified = 12.3 dB)
For values greater than 16.0 dB, the reply will be: EBN=+016
EBN?
EBN*
EBN# EBN? EBN=xxxx