Comtech EF Data CDM-710 Installation And Operation Manual page 196

CDM-710 Broadcast Satellite Modem
Appendix A
Command Arguments for
Parameter (Instruction Command or
Type Code and Response to
Qualifier) Query
Configuration
CST= 1 byte
Save
Real-time Clock
DAY= 6 bytes
Date
Demodulator
N/A 1 byte
Lock Status
Eb/No Alarm
EBA= 4 bytes
Point
Rx Eb/No
N/A 4 bytes
External
ERF= 1 byte
Reference
Frequency
Description of Arguments
Command only.
Stores the current configuration in the specified configuration location (0 to 9).
Example: CST=4 (store the current configuration in Location 4)
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)
Query only.
Demodulator Lock Status in the form x, where:
0 = Demodulator Unlocked
1 = Demodulator Locked
Example: DLK=1 ( Demodulator Locked)
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
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
Command or Query.
External Reference Frequency in the form x, where:
0=Internal
1=External 1 MHz
2=External 2 MHz
3=External 5 MHz
4=External 10 MHz
5=External 20 MHz
Example: ERF=0 (Internal selected - External reference not used)
A–22
MN/CDM710.IOM
Query
Response to (Instruction
Response to Query
Command Code and
Qualifier)
CST= N/A N/A
CST?
CST*
CST#
DAY= DAY? DAY=ddmmyy
DAY?
DAY*
DAY#
DLK? DLK? DLK=x
DLK*
DLK#
EBA= EBA? EBA=xx.x
EBA? (See Description of
EBA* Arguments)
EBA#
EBN? EBN? EBN=xxxx
EBN*
EBN#
ERF= ERF? ERF=x
ERF?
ERF*
ERF#
Revision 11