CDM-600 Satellite Modem Revision 7
Remote Control MN/CDM600.IOM
16–7
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
Tx
Frequency
TFQ= 8 bytes Command or Query.
With hardware revision xx.0: standard frequency range:
52 MHz to 88 MHz, or 104 MHz to 176 MHz.
With hardware revision xx.1: extended frequency range:
50 MHz to 90 MHz, or 100 MHz to 180 MHz.
(Use HRV? to obtain the hardware revision level)\
Resolution=100Hz.
Example: TFQ=072.9872
Note: The CDM600 supports both 70 and 140 MHz bands.
TFQ=
TFQ?
TFQ*
TFQ#
TFQ? TFQ=xxx.xxxx
(see description of
arguments)
Tx
Interface
Type
TIT= 1 byte, value
of 0 thru 6
Command or Query.
Tx Interface Type, where:
0=RS422
1=V.35
2=RS232 (synchronous)
3=Balanced G.703
4=Unbalanced G.703
5=Audio (Data rate fixed at 64 kbps) (IBS/EDMAC only)
6=LVDS
Example: TIT=1 (selects V.35)
TIT=
TIT?
TIT*
TIT#
TIT? TIT=x
(see description of
arguments)
Tx
Framing
Mode
TFM= 1 byte, value
of 0 thru 6
Command or Query.
Tx Framing mode, where:
0=Unframed
1=IBS
2=IDR
3=DROP (requires D&I FAST option)
4=EDMAC
5=D&I++ (requires D&I FAST option) (version 1.5.0 or
higher)
6=ESC++ (requires version 2.0.1 or higher)
Example: TFM=0 (selects Unframed mode)
TFM=
TFM?
TFM*
TFM#
TFM? TFM=x
(see description of
arguments)
Priority System = TIT (Highest priority) , TFM, TFT, TMD, TCR, and TDR (Lowest Priority), indicated by shading. Any change to a higher priority parameter can override any of the parameters of lower priority.