Mocomtech CDM-QX User Manual
Page 226

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision
7
Appendix C
MN/CDMQX.IOM
C–8
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 Data
Rate
TDR=
9 bytes
Command or Query.
TX Data rate, in kbps, between 32 kbps and 20 Mbps depending
upon code rate and modulation scheme, in the form xxxxx.xxx.
Resolution=1 bps.
(See Chapter 5. FRONT PANEL OPERATION for the valid rates)
Query ONLY if Interface Type is Quad Drop & Insert (ITF=D).
Example: TDR=02047.999 (2047.999 kbps)
TDR=
TDR?
TDR*
TDR#
TDR$
TDR^
TDR@
TDR? TDR=xxxx.xxx
(see Description of
Arguments)
TX
Frequency
TFQ=
9 bytes
Command or Query.
TX Frequency in the form xxxx.xxxx, where:
0950.0000 to 1950.0000 MHz (for L-Band units) or
0500.0000 to 0090.0000 and 0100.0000 to 0180.0000 MHz (for
70/140 MHz units)
Resolution=100 Hz
Example: TFQ=0950.9872
TFQ=
TFQ?
TFQ*
TFQ#
TFQ$
TFQ^
TFQ@
TFQ? TFQ=xxxx.xxxx
(see description
arguments)
TX FEC
Type
TFT=
1 byte, value
of 0 though 7
Command or Query.
TX FEC coding type in the form x, where:
0=Reserved
1=Viterbi
2=Viterbi + Reed-Solomon
3=Reserved
4=Reserved
5=TCM+Reed-Solomon (Forces TCR=3 2/3)
6=Turbo
7=Reserved
TFT=
TFT?
TFT*
TFT#
TFT$
TFT^
TFT@
TFT? TFT=x
(see description
arguments)
TX
Modulation
Type
TMD=
1 byte, value
of 0 though 5
Command or Query.
TX Modulation Type in the form x, where:
0=BPSK
1=QPSK
2=Reserved
3=8-PSK
4=16-QAM (Turbo or Viterbi + RS only)
5=Reserved
Depending on FEC type, not all of these selections will be valid.
Example: TMD=1 (QPSK)
TMD=
TMD?
TMD*
TMD#
TMD$
TMD^
TMD@
TMD? TMD=x
(see Description of
Arguments)