Common (Tx, Rx, Or Modem) Commands And Queries - Comtech EF Data CDM-Qx Installation And Operation Manual

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Appendix C
C.6.3

Common (Tx, Rx, or Modem) Commands and Queries

Priority System = ITF(Highest Priority), then FRM as indicated by shading. Any changes to a higher priority can override any of the parameters
of lower priority.
Command Arguments for
Parameter (Instruction Command or
Type Code and Response to
Qualifier)
Module ITF= 1 byte
Interface
Type
Framing FRM= 1 byte, value
Mode of 0, 1, 2
(Modem
only)
Description of Arguments
Query
Command or Query.
Terrestrial interface type in the form x, where:
0=RS422/EIA530 DCE
1=V.35 DCE
2=RS232 (SYNC)
3=G.703 TI Bal AMI
4=G.703 T1 Bal B8ZS
5=G.703 E1 Unbal AMI
6=G.703 E1 Unbal HDB3
7=G.703 E1 Bal AMI
8=G.703 E1 Bal HDB3
9=HSSI
A=ASI
B=G.703 TI Unbal AMI
C=G.703 T1 Unbal B8ZS
D=Quad Drop & Insert
F=None
All other codes are invalid.
Example: ITF=1 (V.35)
Command or Query.
Unit operating mode in the form x, where:
0=Unframed
1=EDMAC Framing
2=EDMAC-2 Framing
3=D&I++ Framing
Example: FRM=0 (unframed)
Response to
Command
ITF=
ITF?
ITF*
ITF#
ITF$
ITF^
(Query only)
FRM=
FRM?
FRM*
FRM#
FRM^
C–15
Revision 7
MN/CDMQX.IOM
Query
(Instruction
Response to Query
Code and
Qualifier)
ITF? ITF = x
(see Description of
Arguments)
FRM? FRM=x
(see description
arguments)