Product specifications

CDM-710 Broadcast Satellite Modem Revision 11
Appendix A MN/CDM710.IOM
A–48
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
Rx Frequency
RFQ= 9 bytes Command or Query.
Rx Frequency (in MHz) in the form xxxx.xxxx:
52 to 88 MHz, and 104 to 176 MHz (70/140 Modulator)
950 to 1950 MHz (L-Band Modulator)
Resolution=100Hz.
Example: RFQ=0950.0000
RFQ=
RFQ?
RFQ*
RFQ#
RFQ? RFQ=xxxx.xxxx
Rx Frame Size
N/A 1 byte Query only.
Rx Frame Size Long/Short selection in the form x, where:
0=Short,
1=Long
Example: RFS =0 (which is Short Frame Size)
Note: Valid only in DVB-S2 mode. If the unit is not locked, the query returns ‘x’.
RFS?
RFS *
RFS #
RFS? RFS =x
Rx FEC Type
N/A 1 byte Query only.
Rx FEC coding type in the form x, where:
0=Viterbi + Reed-Solomon
1=LDPC
Note: FEC is dependent on the RX Mode Type.
Example: RFT=1 (which is LDPC coding)
RFT?
RFT*
RFT#
RFT? RFT=x
Rx Gold Code
Sequence
Index
RGS= 6 bytes Command or Query.
Rx Gold Code Sequence Index:
xxxxxx = Gold Code Sequence index ( 0 to 262141 )
Example: RGS=189063
Note: Valid only in DVB-S2 mode.
RGS=
RGS?
RGS*
RGS#
RGS? RGS=xxxxxx
Rx Interface
Enable
RIE= 2 bytes Command or Query.
Interface Slot Enable/Disable in the form sx, where:
s=Defines which interface slot (1 or 2)
x=Rx Interface Status, where:
0=Disabled
1=Enabled
Example: RIE =11 (Slot 1 Rx interface enabled)
RIE=
RIE?
RIE*
RIE#
RIE?s RIE=sx