Comtech EF Data CDM-570 - Manual (Page 362)

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Appendix D MN/CDM570L.IOM
D–12
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
Terminal Rx
Frequency N/A 10 bytes 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
N/A TRF? TRF=xxxxx.xxxx
(see Description of
Arguments)
Tx Scrambler TSC= 1 byte,
value of 0, 1 or 2 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) TSC=
TSC?
TSC*
TSC#
TSC? TSC=x
(see Description of
Arguments)
Tx Spectrum
Invert TSI= 1 byte,
value of 0 or 1
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 Symbol Rate N/A 8 bytes 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) N/A TSR? TSR=xxxx.xxx
(see Description of
Arguments)
Terminal Tx
Frequency N/A 10 bytes 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
N/A TTF? TTF=xxxxx.xxxx
(see Description of
Arguments)