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Comtech EF Data SNM-1000 User Manual

Page 166

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SNM-1000 Node Control Modem

Revision 3

Remote Control Operation

MN/SNM1000.IOM

A–18

E

b

/N

0

Status

Status:
Response:

MC EBN0_'cr'
EBN0_xnn.ndB'cr''lf']

Where:

x = < or > (data modifier to indicate that
the E

b

/N

0

is less than or greater than the

returned value).

nn.n = 1.0 to 99.9 (E

b

/N

0

value).


Notes:

1. The 'x' (< or >) parameter is only

returned if the E

b

/N

0

has exceeded

the computational resolution of the
system.

2. 'No Data' returned if the E

b

/N

0

cannot be calculated.

3. 'Sampling' returned if not enough

data available to calculate the E

b

/N

0.

Modulator Rate
Status

Status:
Response:


MC MR_'cr'
MR_nnnn_mmm.mmm'cr''lf']

Where:

In TX Burst mode, nnnn = 1/2 or 3/4
(Coder rate).

In TX 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
Status

Status:
Response:

MC DR_'cr'
DR_nnnn_mmm.mmm'cr''lf']

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.