Tx Parameters - Comtech EF Data CDM-625 Installation And Operation Manual

CDM-625 Advanced Satellite Modem
Remote Control
D.7.1

Tx Parameters

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.
Exception: Select DROP, D&I++ or QDI mode using TFM (Transmit Framing type), which is highest priority.
Command
Parameter Number of
(Instruction
Type Arguments
& Qualifier)
Tx TFQ= 9 bytes
Frequency
Exception
600 emulation
8 bytes
Tx Interface TIT= 1 byte, value of
Type 0 thru 9
Description of Arguments
Command or Query.
Frequency ranges:
50 MHz to 180 MHz, and
950 MHz to 1950 MHz (L-band – FAST option)
Resolution=100Hz.
Note: The CDM-625 supports 70,140 MHz bands and L-band.
Example: TFQ=0950.9872
Command or Query.
Tx Interface Type, where:
0=RS422
1=V.35
2= reserved – do not use.
3=Balanced G.703
4=Unbalanced G.703
5=Audio (Data rate fixed at 64 kbps) (IBS/EDMAC only)
6=LVDS
7=HSSI
8=IP
9=ASI
Example: TIT=1 (selects V.35)
D–7
Revision 1
MN-0000036 (Ref MN/CDM625.IOM)
Query
Response to
(Instruction Response to Query
Command
& Qualifier)
TFQ= TFQ? TFQ=xxxx.xxxx
TFQ?
TFQ*
TFQ#
Exception
600 emulation:
TFQ=xxx.xxxx
TIT= TIT? TIT=x
TIT? (see description of
arguments)
TIT*
TIT#