CDM-600 Satellite Modem Revision 7
Remote Control MN/CDM600.IOM
16–18
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
External
Clock
REF= 10 bytes Command or Query.
x=External Baseband Clock between 2.4 kHz and 20
MHz.
y=U for Unbalanced, B for Balanced.
Example: REF =10000.000U (Selects 10M, Unbalanced)
REF=
REF?
REF*
REF#
REF? REF=xxxxx.xxxy
Rx Reed-
Solomon
Decoding
RRS= 1 byte, value
of 0 thru 3
Command or Query.
Rx RS decoding, where:
0=Normal (based on the Open Network framing mode
selected)
1=IESS-310 mode, available all framing modes, except
EDMAC.
2=EF Data legacy standard (225,205) – unframed only
3=IBS (126,112) – unframed only
Note: Available in all framing modes, except EDMAC.
(This is a ‘don’t care’ if no RS is selected in FEC type)
Example: RRS=0 (selects Normal)
RRS=
RRS?
RRS*
RRS#
RRS? RRS=x
(see description of
arguments)
Rx Spectrum
Invert
RSI= 1 byte, 0 or 1 Command or Query.
Rx Spectrum Invert, where:
0=Normal
1=Rx Spectrum Invert
Example: RSI=0 (selects Normal)
RSI=
RSI?
RSI*
RSI#
RSI? RSI=x
(see description of
arguments)
Rx
Descrambler
RDS= 1 byte, 0 or 1 Command or Query.
Rx Descrambler state, where:
0=Off
1=Normal
2=IESS-315 when in Turbo mode
2=Special when uncoded or Viterbi, needs FAST
Special Opt 1.
Example: RDS=1 (Scrambler On)
RDS=
RDS?
RDS*
RDS#
RDS? RDS=x
(see description of
arguments)