Comtech EF Data CDM-710L Specifikace stáhnout pdf (Strana 190)

CDM-710 Broadcast Satellite Modem Revision 10

Remote Control MN/CDM710.IOM

A–28

A.6.2 Demodulator

Priority System = RMM (Highest priority), RMD, RCR, and RSR (Lowest Priority). Any change to a higher priority parameter can override any

of the parameters of lower priority.

Parameter

Type

Command

(Instruction

Code and

Qualifier)

Arguments

for Command

or Response

to Query

Description of Arguments

Response

Command

Query

(Instruction

Code and

Qualifier)

Response to Query

Rx Mode RMM= 1 byte Command or Query.

Rx Mode, where:

0=DVB-S

1=DVB-S2

2=DVB-DSNG

Example: RMM=0 (which is DVB-S mode)

*NOTE: Please refer to Ch.8 for available code rates, modulation

types, and symbol rates for each mode.

RMM=

RMM?

RMM*

RMM#

RMM? RMM=x

Rx Modulation

Type

RMD= 1 byte Command or Query.

Rx Modulation type, where:

0=QPSK

1=8PSK

2=16QAM

3=16APSK

4=32APSK

Example: RMD=1 (which is 8PSK)

*NOTE: Please refer to Ch.8 for available modulation types for

each mode. If the demodulator is set to DVB-S2 mode, this

command is query-only because the demodulation type is

automatically detected, but if the unit is not locked, the query

returns ‘x’.

RMD=

RMD?

RMD*

RMD#

RMD? RMD=x

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