C.6.4 modem, unit commands / queries – Comtech EF Data SLM-5650A User Manual
Page 373
SLM-5650A Satellite Modem
Revision 8
Appendix C
MN-SLM5650A
C–21
C.6.4 Modem, Unit Commands / Queries
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
Buffer Fill State N/A
2 bytes
Query only.
xx = value of the buffer fill state, between 1 to 99%.
Returns 00 if demodulator is unlocked.
Example: BFS=33 (selects 33%)
N/A
BFS?
BFS=xx
(see Description
of Arguments)
Clear All Stored
Events
CAE=
None
Command only.
Forces the software to clear the software events log.
Note: This command takes no arguments
Example: CAE=
CAE=
CAE?
CAE*
CAE#
N/A
N/A
Clear All Stored
Statistics
CAS=
None
Command only.
Forces the software to clear the software statistics log.
Note: This command takes no arguments
Example: CAS=
CAS=
CAS?
CAS*
CAS#
N/A
N/A
Carrier-in-
Carrier (CnC)
Frequency
Offset Range
CCF=
6 bytes
Command or Query.
CnC Sweep Frequency range from 0 to 60.000 kHz
Example: CCF=60.000
CCF=
CCF?
CCF*
CCF#
CCF?
CCF=xx.xxx
(see Description
of Arguments)
Carrier-in-
Carrier (CnC)
Delay Monitor
N/A
6 bytes
Query only.
When CnC is enabled and locked, the delay of the interferer is readable in
microseconds.
Example 1: CDM=229500 (229.5 mSec)
Example 2: CDM=999999 (not locked or CnC not enabled)
N/A
CDM?
CDM=xxxxxx
(see Description
of Arguments)
Carrier-in-
Carrier (CnC)
Frequency
Offset Monitor
N/A
6 bytes
Query only.
When CnC is enabled and locked, the estimated frequency offset between the
desired signal and the interferer is readable in kHz.
Example 1: CFM=+001.0 (1 kHz)
Example 2: CFM=9999.9 (not locked or CnC not enabled)
N/A
CFM?
CFM=xxxx.x
(see Description
of Arguments)