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CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Serial Remote Control MN/CDM570L.IOM
13–7
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
Unit
Interface
Type
ITF= 1 byte, value
of 0 through 8
Command or Query.
Terrestrial interface type, where:
0=EIA-422/EIA530 DCE
1=V.35 DCE
2=EIA-232 (sync).
3= G.703 T1 AMI (forces Rx and Tx data rates to 1544 kbps)
4= G.703 T1 B8ZS (forces Rx and Tx data rates to 1544 kbps)
5= G.703 E1 Unbal AMI (forces Rx and Tx rates to 2048 kbps)
6= G.703 E1 Unbal HDB3 (forces Rx and Tx rates to 2048 kbps)
7= G.703 E1 Bal AMI (forces Rx and Tx rates to 2048 kbps)
8= G.703 E1 Bal HDB3 (forces Rx and Tx rates to 2048 kbps)
9 = IP Interface
All other codes invalid. Example: ITF=2 (V.35)
ITF=
ITF?
ITF*
ITF#
ITF+
ITF? ITF =x
(see description of
arguments)
T1 Line
Build-Out
LBO= 1 byte, value
of 0 thru 4
Command or Query.
Valid only for T1 interface, where
0 = 0-133 feet
1 = 133-266 feet
2 = 266-399 feet
3 = 399-533 feet
4 = 533-655 feet
Example: LBO=2
(In all other modes other thanT1, this is a don’t care.)
LBO=
LBO?
LBO *
LBO #
LBO? LBO=x
(see description of
arguments)
Unit Framing
Mode
FRM= 1 byte, value
of 0 or 1
Command or Query.
Unit operating mode, where
0=Unframed
1= EDMAC Framing
2= EDMAC-2 Framing
Example: FRM=1 (which is framed)
FRM=
FRM?
FRM*
FRM#
FRM+
FRM? FRM=x
(see description of
arguments)
Priority System = ITF (Highest priority), FRM, TFT, TMD, TCR, and TDR (Lowest Priority), indicated by shading. Any change to a higher
p
riority parameter can override any of the parameters of lower priority.