Product specifications

CDM-710 Broadcast Satellite Modem Revision 10
Remote Control MN/CDM710.IOM
A–50
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 Frequency TFQ= 9 bytes Command or Query.
Tx Frequency (in MHz)
52 to 88 MHz, and 104 to 176 MHz (70/140 Modulator)
950 to 1950 MHz (L-Band Modulator)
Resolution=100Hz.
Example: TFQ=0950.0000
TFQ=
TFQ?
TFQ*
TFQ#
TFQ? TFQ=xxxx.xxxx
Tx Power Level TPL= 5 bytes Command or Query.
Tx Output power level, where:
s=sign ( + / - )
xx.x = Tx Output power level, +05.0 and –20.0 dBm.
L-Band: -25.0 to –05.0 dBm
70/140 MHz: -20.0 to +00.0 dBm
Note: Beyond –20 dBm is beyond the specification.
Example: TPL = -13.4
TPL=
TPL?
TPL*
TPL#
TPL? TPL=sxx.x
Tx Carrier State TXO= 1 byte Command or Query.
Tx Carrier State, where:
0=OFF due to front panel or remote control command
1=ON
Example: TXO=1 (Tx Carrier ON)
TXO=
TXO?
TXO*
TXO#
TXO? TXO=x
Tx Output
Impendance
IMP= 1 byte Command or Query.
Tx output impedance, where:
0=50 Ohm
1=75 Ohm
Example: IMP=0 (Set impedance to 50 Ohms)
* NOTE: Setting Tx Impedence is only possible on 70/140 Mhz units.
IMP=
IMP?
IMP*
IMP#
IMP? IMP=x