Comtech EF Data SDM-2020 User Manual
Page 206
SDM-2020 Satellite Demodulator
Revision 4
Remote Control Commands
MN/SDM2020D.IOM
A–6
Bit Error Rate
Threshold
Command:
Response:
Status:
Response:
Where: xxxx = NONE, or 1E-n, where n = 3, 4, 5,
6, 7, or 8 (exponent of threshold).
E
b
/N
0
Threshold
Command:
Response:
Status:
Response:
Where: xxxx = NONE, or 3.0 to 16.0 dB in 0.1 Hz
steps.
E
b
/N
0
Threshold
Alarm
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
Demodulator
Spectrum
Rotation
Command:
Response:
Status:
Response:
Where: xxxxxxx = NRM (normal spectrum), INV
(inverted spectrum, or No Data (if carrier is not
locked)).
Demodulator
Type
Command:
Response:
Status:
Response:
Where: xxx = DVB or DBS.
LNB Power
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
Set LNB
Power Monitor
Low Current
Threshold
Command:
Response:
Status:
Response:
Where: nnnn = 0 to 1000 mA in 1 mA steps.
Note: The lower limit specified must be less than
the current upper limit.
Set LNB
Power Monitor
High Current
Threshold
Command:
Response:
Status:
Response:
Where: nnnn = 0 to 1000 mA in 1 mA steps.
Note: The upper limit specified must be greater
than the current lower limit.
Reed-
Solomon
Decoder
Enable
Command:
Response:
Status:
Response:
Where: xxxx_xxx = CORR_ON or CORR_OFF
Note: The Reed-Solomon decoder is a standard
feature of the demodulator, and is always on.
The correction, however, can be selected on or
off. CORR_ON is Reed-Solomon error correction
on. CORR_OFF is Reed-Solomon error
correction off.