Comtech EF Data SNM-1000 - Manual (Page 154)

SNM-1000 Node Control Modem Revision 3
Remote Control Operation MN/SNM1000.IOM
A–6
A.4 Demodulator Configuration Commands
Set Demodulator
Frequency Command:
Response:
Status:
Response: MC DF_nnn.nnnn'cr'
DF_nnn.nnnn'cr''lf']
MC DF_'cr'
DF_nn.nnnn'cr''lf']
Where: nnn.nnnn = Frequency in MHz,
50.0000 to 180.0000, in 1 Hz steps.
Demodulator Rate
Preset Assignment Command:
Response:
Status:
Response: MC
ADRx_nnnn_mmm.mmm'cr'
ADRx_nnnn_mmm.mmm'cr''lf']
MC ADRx_'cr'
ADRx_nnnn_mmm.mmm'cr''lf'] Where:
x = A, B, C, D, or V (Preset designator).
In RX Continuous mode,
nnnn = 1/2 (QPSK 1/2), [coder rate], 3/4
(QPSK 3/4), 7/8 (QPSK 7/8), BP12 (BPSK
1/2), 8P23 (8PSK 2/3), OQ12 (OQPSK
1/2), OQ34 (OQPSK 3/4), OQ78 (OQPSK
7/8), OQSK (OQPSK 1/1), BPSK (BPSK
1/1) (QPSK (QPSK 1/1),
2144 (BPSK 21/44), B516 (BPSK 5/16),
8P34 (8PSK 3/4).
mmm.mmm = Data rate in kHz.
Demodulator Rate
Preset Selection Command:
Response:
Status: MC SDRx_'cr'
SDRx_'cr''lf']
(See DR command.)
Where: x = A, B, C, D, or V (Preset
designator).
Demodulator Rate
Variable Assignment
and Selection Command:
Response:
Status: MC
SDRV_nnnn_mmm.mmm'cr'
SDRV_nnnn_mmm.mmm'cr''lf']
(See DR command.) Where:
In RX Continuous mode,
nnnn = 1/2 (QPSK 1/2), [coder rate], 3/4
(QPSK 3/4), 7/8 (QPSK 7/8), BP12 (BPSK
1/2), 8P23 (8PSK 2/3), OQ12 (OQPSK
1/2), OQ34 (OQPSK 3/4), OQ78 (OQPSK
7/8), OQSK (OQPSK 1/1), BPSK (BPSK
1/1) (QPSK (QPSK 1/1),
2144 (BPSK 21/44), B516 (BPSK 5/16),
8P34 (8PSK 3/4).
mmm.mmm = Data rate in kHz.
Descrambler Enable Command:
Response:
Status:
Response: MC DE_xxx'cr'
DE_xxx'cr''lf']
MC DE_'cr'
DE_xxx'cr''lf']
Where: xxx = ON or OFF.
Differential Decoder
Enable Command:
Response:
Status:
Response: MC DDEC_xxx'cr'
DDEC_xxx'cr''lf']
MC DDEC_'cr'
DDEC_xxx'cr''lf']
Where:
In RX Continuous mode, xxx = ON or OFF.
RF Loopback Command:
Response:
Status:
Response: MC RFL_xxx'cr'
RFL_xxx'cr''lf']
MC RFL_'cr'
RFL_xxx'cr''lf']
Where: xxx = ON or OFF.