Comtech EF Data CDM-570A User Manual
Page 260

CDM-570A/570AL Satellite Modem with Optional Packet Processor
MN-CDM570A
Serial-based Remote Product Management
Revision 2
8–20
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 Symbol Rate RSR=
8 bytes
Command or Query.
Sets or returns Rx Symbol rate in the form xxxx.xxx, where:
xxxx.xxx = value, in 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/RSR=2047.999 (2047.999 ksymbols/sec)
RSR=
RSR?
RSR*
RSR#
RSR?
RSR=xxxx.xxx
(see Description
of Arguments)
Rx Frequency
RFQ=
9 bytes
Command or Query.
Sets or returns Rx 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 to 180 MHz
Resolution = 100 Hz
Examples:
1) <0/RFQ=0950.9872
2) <0/RFQ=0073.4528
RFQ=
RFQ?
RFQ*
RFQ#
RFQ?
RFQ=xxxx.xxxx
(see Description of
Arguments)
Rx Data Invert
RDI=
1 byte, 0 or 1
Command or Query.
Sets or returns Invert Receive Data in the form x, where:
0 = Normal
1 = Inverted
Example: <0/RDI=1 (selects Inverted RX Data)
RDI=
RDI?
RDI*
RDI#
RDI?
RDI=x
(see Description of
Arguments)
Rx Spectrum Invert RSI=
1 byte,
value of 0 or 1
Command or Query.
Sets or returns Rx Spectrum Invert in the form x, where:
0 = Normal
1 = Rx Spectrum Invert
Example: <0/RSI=0 (selects Normal)
RSI=
RSI?
RSI*
RSI#
RSI?
RSI=x
(see Description of
Arguments)
Rx Clock Invert
RCI=
1 btyte, value 0 or 1 Command or Query.
Sets or returns Invert Receive Clock in the form x, where
0 = Normal
1 = Rx Spectrum Invert
RCI=
RCI?
RCI*
RCI#
RCI?
RCI=x
(see Description of
Arguments)
Rx Descrambler
RDS=
1 byte, value of 0,
1, or 2
Command or Query.
Sets or returns Rx Descrambler state in th form x, where:
0 = Off
1 = On (default descrambler type)
2 = On – IESS-315
Note: When CnC mode is ON, Rx Descrambler state is fixed as IESS-315.
Example: <0/RDS=1 (Scrambler On)
RDS=
RDS?
RDS*
RDS#
RDS?
RDS=x
(see Description of
Arguments)