Comtech EF Data CDM-600/600L - Manual (Page 222)

CDM-600/600L Open Network Satellite Modem Revision 3
Appendix D MN/CDM600L.IOM
D–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
Tx Power
Level
Increase N/A 3 bytes Query only.
(AUPC)
Returns the increase in Tx power level, in dB (from the nominal
setting) due to the action of AUPC. Responds in the form x.x if
AUPC is disabled.
Example: PLI=2.3
N/A PLI? PLI=x.x
(see Description of
Arguments)
Remote
Eb/No N/A 4 bytes Query only.
Return the value of Eb/No of the remote demod, where xx.x=02.0 to
16.0.
Responds 99.9=remote demod unlocked.
Responds xx.x if AUPC (CDM-600L) or EDMAC (CDM-600) is
disabled.
Example: REB=12.4
Note: For values > 16.0 dB, the reply will be 16.0
N/A REB?
Redundancy
State N/A 1 byte, value of
0 or 1 Query only.
Unit returns the redundancy state of the unit, where
0=Offline
1=Online
Example: RED=1 (Online) N/A RED? RED=x
(see Description of
Arguments)
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 ± 30 kHz, 100 Hz resolution.
Responds 99999 if the demodulator is unlocked.
Example: RFO=+02.3 (+ 2.3 kHz)
N/A RFO? RFO=xxxxx
(see Description of
Arguments)
Serial
Number N/A 9 bytes Query only.
Used to query the unit 9-digit serial number. Unit returns its S/N in
the form xxxxxxxxx.
Example: SNO=176500143
N/A SNO? SNO=xxxxxxxxx
(see Description of
Arguments)
Software
Revision N/A 5 bytes Query only.
Unit returns the value of the internal software revision installed in
the unit, in the form x.x.x
Example: SWR=1.0.3
N/A SWR? SWR=x.x.x
(see Description of
arguments)
Temperature N/A 3 bytes Query only.
Unit returns the value of the internal temperature, in the form xxx
(degrees C).
Example: TMP=+26
N/A TMP? TMP=xxx
(see Description of
Arguments)