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CDM-600 Satellite Modem Revision 7
Remote Control MN/CDM600.IOM
16–24
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
Countdown
of Warm-up
Delay
remaining
CTD= 3 bytes,
numeric
Command or query. (Hi-stab Ref parameter)
Requires High-Stability Frequency Reference module to
be installed.
xxx = countdown of the number of seconds remaining of
the Warm-up time.
As a command, the only permitted format is CTD=000,
which abandons the delay.
If Hi-Stability module is not installed, response to query
is CTD*.
CTD=
CTD?
CTD*
CTD#
CTD? CTD=xxx
(see description of
arguments)
Unit Test
Mode
TST= 1 byte, value
of 0 thru 6
Command or Query.
CDM-600 Test Mode, where:
0=Normal Mode (no test)
1=Tx CW
2=Tx Alternating 1,0 Pattern
3=IF Loopback
4=RF Loopback
5=Digital Loopback
6=I/O Loopback
Example: TST=3 (IF Loopback)
TST=
TST?
TST*
TST#
TST? TST=x
(see description of
arguments)
Unit Alarm
Mask
MSK= 6 bytes Command or Query.
Alarm mask conditions, in form abcdef, where:
a=Tx AIS (0 = unmasked, 1 = masked)
b=Rx AIS (0 = unmasked, 1 = masked)
c=bufferslip Alarm (0 = unmasked, 1 = masked)
d=spare
e=Rx AGC Alarm (0 = unmasked, 1 = masked)
f=Eb/No Alarm (0 = unmasked, 1 = masked)
Example: MSK=010110
MSK=
MSK?
MSK*
MSK#
MSK? MSK=abcdef
(see description of
arguments)