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CDM-600 Satellite Modem Revision 7
Remote Control MN/CDM600.IOM
16–38
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
Offline Unit
Status
N/A 6 bytes Query only. (1:1 set-up)
This query is sent to the online modem of a 1:1 pair. It
provides access to the fault status information (FLT?) of
the offline modem. This is the only way to interrogate the
status of an offline modem at the distant-end of a link.
The response format may be:
No1for1 which indicates that no 1:1 system has been
detected. Presence of a 1kHz signal from the CRS-150
is used to indicate a 1:1 set-up.
NoComm which indicates that a 1kHz signal has been
detected, but that there is no (or not yet) a response for
the modem.
abcdef would be the FLT? response information from
the offline unit.
N/A OUS? OUS=xxxxxx
Force 1:1
Switch
FSW= None Command only.
Forces the unit to toggle the Unit Fail relay to the “fail”
state for approx 500ms. If the unit is a 1:1 pair, and it is
currently the ‘On-Line’ unit, this will force a switchover,
so the unit will then be in ‘Standby’ mode. The command
is always executed by the unit, regardless of whether it is
stand-alone, in a 1:1 pair, or part of a 1:N system.
This command takes no arguments.
FSW=
(message
ok)
N/A N/A
Note: The following codes are used in the ‘Response to Command’ column:
= Message ok
? Received ok, but invalid arguments found
* Message ok, but not permitted in current mode
# Message ok, but unit is not in Remote mode
~ Time out of an EDMAC pass-through message (added in version 1.1.5)