Product specifications

CDM-710 Broadcast Satellite Modem Revision 10
Remote Control MN/CDM710.IOM
A–30
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
Rx Frequency
Offset
N/A 5 bytes Query only.
Unit returns the value of the measured frequency offset of the
carrier being demodulated. Values range from ± 0 to ± 100 kHz,
100 Hz resolution.
Returns 999999 if the demodulator is unlocked.
Example: RFO=+002.3 (which is + 2.3 kHz)
RFO?
RFO*
RFO#
RFO? RFO=sxxx.x
Rx Demod
Acquisition
Sweep Width
RSW= 3 bytes Command or Query.
Rx ± acquisition sweep range of demodulator, in kHz, ranging
from ± 1 to ± 100 kHz.
Example: RSW=009 (selects ± 9 kHz)
RSW=
RSW?
RSW*
RSW#
RSW? RSW=xxx
(see description of
arguments)
Demodulator
Lock Status
N/A 1 byte Query only.
Demodulator Lock Status, where:
0 = Demodulator Unlocked
1 = Demodulator Locked
Example: DLK=1 ( Demodulator Locked)
DLK?
DLK*
DLK#
DLK? DLK=x
Rx Signal
Level
N/A 3 bytes Query Only.
Unit returns the value of the Rx signal level, in dBm, between
+3.0 and –99.0 dBm, where;
xxx is the Rx signal level.
Examples:
RSL=+03
RSL=-41
RSL?
RSL*
RSL#
RSL? RSL=xxx
Rx Data Rate N/A 10 bytes Query Only.
Composite Rx Data rate, in kbps.
Resolution=1 bps.
Example: RDR=002047.999 (which is 2047.999 kbps)
RDR?
RDR*
RDR#
RDR? RDR=xxxxxx.xxx