Comtech EF Data SLM-5650A Installation And Operation Manual page 220

Controller-to-Target
Instruction Code and
Qualifier
Parameter
Type
Command Query
Rx Descrambler RDS= RDS?
Rx REA= REA?
Reacquisition
Time
Rx Frequency N/A RFO?
Offset
Rx Frequency RFQ= RFQ?
Serial Remote Control
Arguments
for Command
(Note that all arguments are ASCII numeric codes from 48 to 57)
or Query
1 byte Command or Query.
Sets or returns the Rx Scrambler state in the form x, where:
0 = Off
1 = OM-73 Scrambler
2 = IESS-V.35 Scrambler
3 = Modified V.35 (Comtech EF Data Closed Network)
4 = Reed-Solomon Synchronous Scrambler
5 = IBS Overhead Synchronous Scrambler
6 = TURBO Scrambler
Note: Depending on the active modem mode, FEC type, overhead
type, and RS state, not all selections will be valid.
Example: <0001/RDS=1{CR} (OM-73 Scrambler On)
3 bytes Command or Query.
Sets or returns the Rx Re-acquisition time in the form xxx, where:
xxx = time value, in seconds, from 0 to 999.
Example: <0001/REA=000{CR} (selects 0 seconds)
5 bytes Query only.
Returns the value of the measured frequency offset of the carrier
being demodulated in the form xxxxx, where:
xxxxx = value ranging from ±0 to ±30 kHz, in 100 Hz steps.
Note: Returns 99999 if the demodulator is unlocked.
Example: >0001/RFO=+02.3{CR}{LF} (reports +2.3 kHz)
9 bytes Command or Query.
Sets or returns the Rx Frequency in the form xxxx.xxxx, where:
xxxx.xxxx = frequency value, in MHz, in 100 Hz steps.
Note: Where 70/140 MHz operating range is from 52 to 88 MHz or
104 to 176 MHz, and L-Band operating range is from 950 to 2000
MHz.
Example: <0001/RFQ=0140.9872{CR}
Description of Arguments
10–26
SLM-5650A Satellite Modem
Revision 10
Target-to-Controller
Response to Query
Response to
(see Description of
Command
Arguments)
RDS= RDS=x
RDS?
RDS*
RDS#
REA= REA=xxx
REA?
REA*
REA#
N/A RFO=xxxxx
RFQ= RFQ=xxxx.xxxx
RFQ?
RFQ*
RFQ#
MN-SLM-5650A