Comtech EF Data CDM-700 - Manual (Page 159)

CDM-700 High Speed Satellite Modem Revision 5
Remote Control MN/CDM700.IOM
11–9
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 Alpha
Rolloff TAR= 1 byte Command or Query
Tx Alpha Rolloff, where:
1 = 25%
2 = 35%
Example: TAR=1 (which is a Tx Alpha Rolloff of 25%)
TAR=
TAR?
TAR*
TAR# TAR? TAR=x
(see description of
arguments)
Tx Spectrum
Invert TSI= 1 byte Command or Query.
Tx Spectrum Invert selection, where:
0=Normal,
1=Tx Spectrum Inverted
Example: TSI=0 (which is normal)
TSI=
TSI?
TSI*
TSI# TSI? TSI=x
(see description of
arguments)
Tx Scrambler TSC= 1 byte Command or Query.
Tx Scrambler state, where:
0=Off
1=On
Example: TSC=1 (Scrambler On)
TSC=
TSC?
TSC*
TSC# TSC? TSC=x
(see description of
arguments)
Tx Power
Level TPL= 5 bytes Command or Query.
Tx Output power level, where:
s=sign ( + / - )
xx.x = Tx Output power level,
L-Band unit: +00.0 and –20.0 dBm.
70/140 MHz unit: +00.0 to –20.0 dBm
Note: Beyond –20 dBm is beyond the specification.
Example: TPL = -13.4
TPL=
TPL?
TPL*
TPL# TPL?
TPL=sxx.x
(see description of
arguments)
Tx Output
Impendance IMP= 1 byte Command or Query.
Tx output impedance, where:
0=50 Ohm
1=75 Ohm
(Valid for 70/140 MHz units only)
Example: IMP=1 (Set impedance to 75 Ohms)
IMP=
IMP?
IMP*
IMP# IMP? IMP=x
(see description of
arguments)