C.6.4 Modem, Unit Commands / Queries - Comtech EF Data SLM-5650A Installation And Operation Manual

SLM-5650A Satellite Modem
Appendix C
C.6.4 Modem, Unit Commands / Queries
Command
Parameter (Instruction
Type Code and
Qualifier)
Buffer Fill State N/A 2 bytes
Clear All Stored CAE= None
Events
Clear All Stored CAS= None
Statistics
Carrier-in- CCF= 6 bytes
Carrier (CnC)
Frequency
Offset Range
Carrier-in- N/A 6 bytes
Carrier (CnC)
Delay Monitor
Carrier-in- N/A 6 bytes
Carrier (CnC)
Frequency
Offset Monitor
Arguments for
Command or
Response to
Query
Query only.
xx = value of the buffer fill state, between 1 to 99%.
Returns 00 if demodulator is unlocked.
Example: BFS=33 (selects 33%)
Command only.
Forces the software to clear the software events log.
Note: This command takes no arguments
Example: CAE=
Command only.
Forces the software to clear the software statistics log.
Note: This command takes no arguments
Example: CAS=
Command or Query.
CnC Sweep Frequency range from 0 to 60.000 kHz
Example: CCF=60.000
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)
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)
Description of Arguments
C–21
Revision 8
MN-SLM5650A
Query
Response to (Instruction
Response to Query
Command Code and
Qualifier)
N/A BFS? BFS=xx
(see Description
of Arguments)
CAE= N/A N/A
CAE?
CAE*
CAE#
CAS= N/A N/A
CAS?
CAS*
CAS#
CCF= CCF? CCF=xx.xxx
CCF? (see Description
CCF* of Arguments)
CCF#
N/A CDM? CDM=xxxxxx
(see Description
of Arguments)
N/A CFM? CFM=xxxx.x
(see Description
of Arguments)