Mocomtech CDM-570 User Manual

Page 246

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CDM-570/570L Satellite Modem with Optional IP Module

Revision 4

Serial Remote Control

MN/CDM570L.IOM

13–12

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

Rx Frequency

RFQ=

9 bytes

Command or Query.
Rx Frequency
CDM-570L: 950 to 1950 MHz
CDM-570: 50 to 90 and 100 - 180 MHz
Resolution=100 Hz
Example: RFQ=0950.9872
Example: RFQ=0073.4528

RFQ=
RFQ?
RFQ*
RFQ#

RFQ? RFQ=xxxx.xxxx

(see description of
arguments)

Rx FEC Type

RFT=

1 byte, value
of 0 thru 6

Command or Query.
Rx FEC Type, where:
0=None (uncoded – no FEC) with differential encoding ON
1=Viterbi
2=Viterbi + Reed-Solomon
3= Reserved – do not use
4= Reserved – do not use
5=TCM + Reed-Solomon
6=Turbo
7= TPC/LDPC (Future option)

Example: RFT=1 (which is Viterbi only)

RFT=
RFT?
RFT*
RFT#
RFT+

RFT?

RFT=x
(same format
as command argument)

Rx Demod
type

RMD=

1 byte, value
of 0 thru 5

Command or Query.
Rx Demodulation, where:
0=BPSK
1=QPSK
2=OQPSK
3=8PSK
4=16QAM (Turbo or Viterbi + RS only)
5=8-QAM (Future option)
Depending on FEC type, not all of these selections will be valid.

All other codes are invalid.
Example: RMD=2 (selects OQPSK)

RMD=
RMD?
RMD*
RMD#
RMD+

RMD?

RMD=x
(see description of
arguments)

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