Comtech EF Data CDM-570 Installation And Operation Manual page 362

CDM-570/570L Satellite Modem with Optional IP Module
Appendix D
Command Arguments for
Parameter (Instruction
Type Code and
Qualifier)
Terminal Rx N/A 10 bytes
Frequency
Tx Scrambler TSC= 1 byte,
value of 0, 1 or 2
Tx Spectrum TSI= 1 byte,
Invert value of 0 or 1
Tx Symbol Rate N/A 8 bytes
Terminal Tx N/A 10 bytes
Frequency
Command or
Response to
Query
Query only – CDM-570L only.
Terminal Rx Frequency, where frequency = LNB LO ± RFQ
Resolution=100 Hz
Returns 00000.0000 if LNB LO is zero
Example: TRF=11650.2249
Command or Query.
Tx Scrambler state, where:
0=Off
1=On (default scrambler type)
2 = On - IESS-315 (Turbo only)
Example: TSC=1 (Scrambler On)
Command or Query.
Tx Spectrum Invert selection, where:
0=Normal,
1=Tx Spectrum Inverted
Example: TSI=0 (which is normal)
Query only.
Tx Symbol rate, in ksymbols/sec, between 4.8 ksps and 3.00 Msps
Resolution = 1 sps.
Example: TSR=2047.999 (which is 2047.999 ksymbols/sec)
Query only – CDM-570L only.
Terminal Tx Frequency, where frequency = BUC LO ± TFQ
Resolution=100 Hz
Returns 00000.0000 if LNB LO is zero
Example: TTF=14250.9872
Description of Arguments
D–12
Revision 12
MN/CDM570L.IOM
Query
Response to
(Instruction Code
Command
and Qualifier)
N/A TRF? TRF=xxxxx.xxxx
(see Description of
Arguments)
TSC= TSC? TSC=x
TSC? (see Description of
TSC* Arguments)
TSC#
TSI= TSI? TSI=x
TSI? (see Description of
TSI* Arguments)
TSI#
N/A TSR? TSR=xxxx.xxx
(see Description of
Arguments)
N/A TTF? TTF=xxxxx.xxxx
(see Description of
Arguments)
Response to
Query