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CDM-625 Advanced Satellite Modem
Remote Control
Command
Parameter
Number of
(Instruction
Type
Arguments
& Qualifier)
Faults and
Status...
CnC
N/A
4 bytes
Ratio Monitor
CnC
N/A
6 bytes
Delay Monitor
CnC
N/A
6 bytes
Freq Offset
Monitor
Note – the following codes are used in the 'Response to Command' column:
= Message ok
? Received ok, but invalid arguments were found
* Message ok, but not permitted in current mode
Description of Arguments
g= BUC status/faults:
0=OK, masked, or not present
1=BUC current
2=BUC voltage
3 = spare
4=BUC no comms/bad checksum
5=BUC PLL
6=BUC temperature
h= LNB status/faults:
0=OK, masked, or not present
1=LNB current
2=LNB voltage
xx= spares
Query only
When CnC is enabled and the modem is locked, it monitors the
ratio between the interferer and the desired power in dB.
Example 1: CRM==+02 (interferer > desired) (format: =sdd)
Example 2: CRM=LT11 (less than –11 dB)
Example 3: CRM=GT11 (greater than +11 dB)
Example 4: CRM=99.9 (not locked or CnC not enabled)
Query only.
When CnC is enabled and the modem is locked, it monitors the
delay of the interferer in microseconds.
Example 1: CDM=229500 (229.5 ms)
Example 2: CDM=999999 (not locked or CnC not enabled)
Query only.
When CnC is enabled, an estimated frequency offset (in kHz)
between desired and interferer will be calculated.
Example 1: CFM=+001.0 (1 kHz)
Example 2: CFM=9999.9 (not locked or CnC not enabled)
# Message ok, but unit is not in Remote mode.
~ Time out of a pass-through message, either to via EDMAC or to a local ODU
D–53
Revision 1
MN-0000036 (Ref MN/CDM625.IOM)
Query
Response to
(Instruction &
Response to Query
Command
Qualifier)
N/A
CRM?
CRM=xxxx
(see description of
arguments)
N/A
CDM?
CDM=xxxxxx
(see description of
arguments)
N/A
CFM?
CFM=xxxx.x
(see description of
arguments)
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