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Configuring WAN Line Services

7-30

117345-B Rev. 00

Enabling or Disabling Remote Loopback Detection

Setting the Remote Loopback Detection parameter enables or disables detection

of the driver’s BofL packets on this logical line, as long as the

BofL Enable/Disable parameter is enabled for this interface. If you select Enable

to put the line in loopback detection mode, the driver will bring down the interface

when it detects its BofL packets.

You can disable or reenable remote loopback detection on this interface.

See the Remote Loopback Detection parameter on page A-40

for information.

Configuring BERT Diagnostic Pattern Tests

DMCT1 net modules and QMCT1 or QMCT1 w/ DS0A link modules support the

bit error rate test (BERT) on individual logical lines.

In BERT mode, the router introduces deliberate error patterns into the transmitted

bit stream on a single logical line. It can generate patterns such as all ones, all

zeros, or a quasi-random signal sequence (QRSS) pattern.

To configure BERT diagnostics:

Enable BERT mode on the QMCT1 or DMCT1 logical line.

See the BERT Mode parameter on page A-41

for information.

With BERT mode enabled, specify the bit pattern transmitted during

BERT diagnostics. Valid BERT test pattern options are as follows:

• Zero

• Ones

• QRSS

• 2e15

• 2e15 Inverted

• 2e20

• 2e23

• 2e23 Inverted

See “Testing MCE1 and MCT1 Lines,” later in this chapter, for more

information about running BERT diagnostics.

See the BERT Test Pattern parameter on page A-41

for information.

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Avaya Configuring WAN Line Services Manual do Utilizador Página 142