C.6.1 transmit (tx) commands and queries – Mocomtech CDM-QX User Manual

Page 225

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CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision

7

Appendix C

MN/CDMQX.IOM

C–7

C.6.1 Transmit (Tx) Commands and Queries

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
Clock Invert

TCI=

1 byte, value
0,1

Command or Query.

Invert Transmit Data Clock in the form x, where:

0=Normal
1=Inverted

TCI=
TCI?
TCI*
TCI#
TCI$
TCI^
TCI@

TCI? TCI=x

(see Description of
Arguments)

TX Clock
Source

TCK=

1 byte, value 0
1, 2

Command or Query.

TX Clock Source in the form x, where:

0=Internal
1=TX Terrestrial
2=Loop-Timed
3=Ext loop (G.703 interface only)

Example: TCK=0 (Internal)

TCK=
TCK?
TCK*
TCK#
TCK$
TCK^
TCK@

TCK? TCK=x

(see Description of
Arguments)

TX FEC
Code Rate

TCR=

1 byte, value
of 0 though 7

Command or Query.

TX Code Rate in the form x, where:

0=Rate 5/16 (Turbo only)
1=Rate21/44 (Turbo only)
2=Rate 1/2
3=Rate 2/3 (8-PSK, TCM+RS only)
4=Rate3/4
5=Rate7/8
6=Rate 17/18 (Turbo only)
7=Reserved

Depending on FEC and Modulation Type, not all of these
selections will be valid.

Example: TCR=4 (Rate 3/4)

TCR=
TCR?
TCR*
TCR#
TCR$
TCR^
TCR@

TCR? TCR=x

(see Description of
Arguments)

TX Data
Invert

TDI=

1 byte, value
0,1

Command or Query.

Invert Transmit Data in the form x, where:

0=Normal
1=Inverted

Example: TDI=1(Inverted TX Data)

TDI=
TDI?
TDI*
TDI#
TDI$
TDI^
TDI@

TDI? TDI=x

(see Description of
Arguments)

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