Comtech EF Data CDM-710 Installation And Operation Manual page 238

CDM-710/L Broadcast Satellite Modem
Serial Interface Operation
Controller-to-Target
Instruction Code & Qualifier
Parameter
Type
Command Query
Real-time DAY= DAY?
Clock Date
Demodulator N/A DLK?
Lock Status
Eb/No Alarm EBA= EBA?
Point
Rx Eb/No N/A EBN?
Equipment ID N/A EID?
Number of
Arguments for
Command or
(Note that all arguments are ASCII numeric codes from 48 and 57)
Response to
Query
6 bytes Command or Query.
Sets or returns the date in the form ddmmyy where:
dd=day of the month (01 to 31)
mm=month (01 to 12)
yy=year (00 to 99)
COMMAND EXAMPLE: <0001/DAY=240415{CR} (sets April 24, 2015)
1 byte Query only.
Returns the Demodulator Lock Status in the form x where:
0=Demodulator Unlocked
1=Demodulator Locked
EXAMPLE: <0001/DLK?{CR}
>0000/DLK=1{CR}{LF} (Demodulator Locked)
4 bytes Command or Query.
Sets or returns the Eb/No alarm point
xx.x=Alarm point value, in dB, from 0.1 to 16, in 0.1 dB steps.
COMMAND EXAMPLE: <0001/EBA=12.3{CR} (sets alarm point to 12.3 dB)
4 bytes Query only.
Returns the value of Eb/No in the form xx.x, where:
xx.x= value from 0 to 16 dB, in 0.1 dB steps.
NOTES:
1) Valid in DVB-S or DVB-DSNG Modes only.
2) Returns 99.9 if demod is unlocked.
3) For values greater than 16.0 dB, the response is EBN=+016
EXAMPLE: <0001/EBN?{CR}
>0000/EBN=12.3{CR}{LF} (reports Eb/No of 12.3 dB)
23 bytes Query only.
Returns the equipment identification and configuration in the form
aaabcdefghijklmnopqrstu where:
aaa=the unit model number (710, 71L)
b=Modulator configuration where 1=70/140 Mhz, 2=L-Band
c=Tx Symbol Rate S/W option where 0=15.0 Msps, 1=22.5 Msps, 2=30.0
Msps, 3=37.5 Msps (DVB-S1, DVB-DSNG modes only), 4=45.0 Msps (DVB-S1,
DVB-DSNG modes only)
d=S/W option Tx 8PSK where 0=Not installed, 1=Installed
e=S/W option Tx 16QAM where 0=Not installed, 1=Installed
9–30
Description of Arguments
MN/CDM710.IOM
Revision 12
Target-to-Controller
(See Description of Arguments)
Response to Response to
Command Query
DAY= DAY=ddmmyy
DAY?
DAY*
DAY#
DLK? DLK=x
DLK*
DLK#
EBA= EBA=xx.x
EBA?
EBA*
EBA#
EBN? EBN=xx.x
EBN*
EBN#
EID? EID=aaabcdefgh
EID* ijklmnopqrstu
EID#