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A.6.3 modem – Comtech EF Data CDM-710G User Manual

Page 217

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CDM-710G High-Speed Satellite Modem

Revision 1

Remote Control

MN-CDM710G

A–27

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

Temperature N/A

3

bytes

Query

Only.

Unit returns the value of the internal temperature, in the form of sxxx
(degrees C). Where s is the sign and and xxx is the number of degrees.

Example: TMP=+026

TMP?
TMP*
TMP#

TMP? TMP=sxxx

A.6.3 Modem

Priority System = (Highest priority) TMD, TCR, and (Lowest Priority) TSR. 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 to

Command

Query

(Instruction

Code and

Qualifier)

Response to Query

Tx Modulation
Type

TMD=

1 byte

Command or Query.
Tx Modulation type, where:
0=QPSK
1=8PSK
2=Reserved
3=16APSK
4=32APSK

Example: TMD=1 (which is 8PSK)

TMD=
TMD?
TMD*
TMD#

TMD? TMD=x

Tx FEC Code
Rate

TCR=

1 byte

Command or Query.
Tx Code Rate, where:
0 = Rate 3/4
1 = Reserved
2 = Rate 3/5
3 = Rate 4/5
4 = Rate 5/6
5 = Rate 8/9
6 = Rate 9/10
7 = Rate 2/3
8 = Rate 1/2

Example: TCR=0 (which is Rate 3/4)

TCR=
TCR?
TCR*
TCR#

TCR? TCR=x

Tx Symbol Rate TSR=

9 bytes

Command or Query.
Tx Symbol Rate, where:
s=Symbol Rate in Msps

Example: TSR=20.000000 (20 Msps.)

TSR=
TSR?
TSR*
TSR#

TSR? TSR=ss.ssssss

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