Comtech EF Data CDM-570A - Manual (Page 254)

CDM-570A/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Serial-based Remote Product Management Revision 2
8–14
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 Symbol Rate TSR= 8 bytes Command or Query.
Sets or returns Tx Symbol rate in the form xxxx.xxx, where:
xxxx.xxx = ksymbols/sec, from 4.8 ksps to 3.00 Msps
Resolution = 1 sps.
Note: Symbol Rate ranges in IP-ACM from 37ksps to 3000ksps
Example: <0/TSR=2047.999 (2047.999 ksymbols/sec)
TSR=
TSR?
TSR*
TSR#
TSR? TSR=xxxx.xxx
(see Description
of Arguments)
Tx Frequency TFQ= 9 bytes Command or Query.
Sets or returns Tx Frequency in the form xxxx.xxxx, where:
For CDM/R-570AL – 950 to 2250 MHz in CDM-570A Compatible Mode (CMO=1) and
950 to 2000 MHz in CDM-570 Compatible Mode (CMO=0)
For CDM-570A – 50 to 90 and 100 - 180 MHz
Resolution=100 Hz
Examples:
1) <0/TFQ=0950.9872
2) <0/TFQ=0073.4528
TFQ=
TFQ?
TFQ*
TFQ#
TFQ? TFQ=xxxx.xxxx
(see Description of
Arguments)
Tx Data Invert TDI= 1 byte,
value 0 or 1
Command or Query.
Sets or returns Invert Transmit Data in the form x, where:
0=Normal
1=Inverted
Example: <0/TDI=1 (selects Inverted TX Data)
TDI=
TDI?
TDI*
TDI#
TDI? TDI=x
(see Description of
Arguments)
Tx Spectrum
Invert
TSI= 1 byte,
value of 0 or 1
Command or Query.
Sets or returns Tx Spectrum Invert selection in the form x, where:
0=Normal,
1=Tx Spectrum Inverted
Example: <0/TSI=0 (normal)
TSI=
TSI?
TSI*
TSI#
TSI? TSI=x
(see Description of
Arguments)
Tx Scrambler TSC= 1 byte,
value of 0, 1 or 2
Command or Query.
Sets or returns Tx Scrambler state in the form x, where:
0=Off
1=On (default scrambler type)
2 = On – IESS-315
Note: When CnC mode is ON, Tx Scrambler state is fixed as IESS-315.
Example: <0/TSC=1 (Scrambler On)
TSC=
TSC?
TSC*
TSC#
TSC? TSC=x
(see Description of
Arguments)