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Ber threshold, A.8.8 ber threshold – Comtech EF Data SNM-1001L User Manual

Page 259

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SNM-1001L Satellite Modem

Revision 1

Specifications

MN/SNM1001L.IOM

A–21

A.8.7 Performance

With

Noise,

1544 kbps Sequential Decoder

(Optional)

Required

Eb/No

BPSK and QPSK

BER

1/2 Rate

3/4 Rate

7/8 Rate

10-3

4.8 5.2 6.0

10-4

5.2 5.7 6.4

10-5

5.6 6.1 6.9

10-6

5.9 6.5 7.4

10-7

6.3 7.0 7.9

10-8

6.7 7.4 8.4

Note: Offset QPSK with Sequential is not available.

A.8.8 BER

Threshold

1.

The modem will have a programmable BER threshold function.

2.

This allows the operator to set the threshold from 1.0 E-3 to 1.0 E-8.

3.

The actions resulting from this alarm are detailed in the Monitored Faults section.