Avaya S8700 Maintenance Manual page 1696

For multi-connect configurations

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Maintenance-Object Repair Procedures

Signaling Port LAN Loop-Back Test (#939)

This test is destructive.

This test verifies the connectivity of an ISDN-PRI signaling port (D channel)

across the packet bus, also known as the LAN bus. It will execute only if the port

is out of service. Failure of this test indicates a fault associated with the port

hardware on the circuit pack.

Figure 8-52. Signaling Port LAN (Packet Bus) Loop back

Issue 1 May 2002

Troubleshooting