Avaya Configuring WAN Line Services Manual de usuario Pagina 129

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Configuring MCE1 and MCT1 Services
117021-A Rev. A 7-29
Enabling or Disabling Remote Loopback Detection
Setting Remote Loopback Detection enables or disables detection of the driver’s
own 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 into
loopback detection mode, the downstream driver will bring down the interface
when it detects its own BofL packet.
You can disable or reenable remote loopback detection on this interface.
Configuring BERT Diagnostic Pattern Tests
DMCT1 net modules and QMCT1 or QMCT1 w/ DS0A link modules support bit
error-rate testing (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 1s, all 0s, or
a QRSS (quasi-random signal sequence) pattern.
To configure BERT diagnostics, you
1. Enable BERT mode on the QMCT1 or DMCT1 logical line.
2. With BERT mode enabled, specify the bit pattern transmitted during
BERT diagnostics. Valid BERT test pattern options are
Zero
Ones
QRSS
2e15
2e15 Inverted
2e20
2e23
2e23 Inverted
Site Manager: Remote Loopback Detection parameter: page A-38
Site Manager: BERT Mode parameter: page A-39
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