Product specifications

CDM-710 Broadcast Satellite Modem Revision 11
Appendix A MN/CDM710.IOM
A–16
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 Data Invert
TDI= 2 bytes Command or Query.
Invert Transmit Data, where:
s=Defines which interface slot ( 1 or 2 )
x=Invert Transmit Data, where:
0=Normal
1=Inverted
Note: Command valid Only with HSSI
Example: TDI = 111 (Inverted TX Data selected)
TDI =
TDI?
TDI *
TDI #
TDI?sc TDI =sx
(See Description of
Arguments)
Tx Data Rate
N/A 10 bytes Query only.
Composite Tx Data rate, in kbps, in the form xxxxxx.xxx.
Resolution=1 bps.
Example: TDR=002047.999 (2047.999 kbps indicated)
TDR?
TDR*
TDR#
TDR? TDR=xxxxxx.xxx
Tx Frequency
TFQ= 9 bytes Command or Query.
Tx Frequency (in MHz) in the form xxxx.xxxx, where:
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 Frame Size
TFS= 1 byte Command or Query.
Tx Frame Size Long/Short selection in the form x, where:
0=Short,
1=Long
Example: TFS =0 (Short Frame Size selected)
Note: Setting only valid in DVB-S2 mode.
TFS =
TFS?
TFS *
TFS #
TFS? TFS =x
Tx FEC Type
N/A 1 byte Query only.
Tx FEC coding type in the form x, where:
0=Viterbi + Reed-Solomon
1=LDPC
FEC is dependent on the TX Mode Type.
Example: TFT=1 (LDPC coding indicated)
TFT?
TFT*
TFT#
TFT? TFT=x
Tx Gold Code
Sequence
Index
TGS= 6 bytes Command or Query.
Tx Gold Code Sequence Index in the form xxxxxx, where:
xxxxxx = Gold Code Sequence index ( 0 to 262141 )
Example: TGS=189063
Note: Valid only in DVB-S2 mode.
TGS=
TGS?
TGS*
TGS#
TGS? TGS=xxxxxx