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Demodulator commands/responses, A.3.1 demodulator commands/responses – Comtech EF Data SNM-1010L User Manual

Page 204

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SNM-1010L Data/Control Modem

Revision 0

Remote Control Channel Commands/Responses

MN/SNM1010L.OM

A.3.1

Demodulator Commands/Responses

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, 950.0000 to 1750.0000, in
100 Hz steps for non-terminal frequency display. For terminal
frequency mode, the range will be determined by the LO frequency
and high/low Mix of the ODU.

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']



See Warning in Section 9.0.

Where:

x = A, B, C, D, or V (Preset designator).

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.)

See Warning in Section 9.0.

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.)



See Warning in Section 9.0.

Where:

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: 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.

IF Loopback

Command:
Response:

Status:
Response:

MC IFL_xxx'cr'
IFL_xxx'cr''lf']

MC IFL_'cr'
IFL_xxx'cr''lf']

Where: xxx = ON or OFF.

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