Avaya Troubleshooting Routers Guia de Resolução de Problemas descarregar pdf (Página 77)

100

101

Troubleshooting a Physical Media Problem

308656-14.00 Rev 00

4-5

If the connection is FDDI or ATM Rx and Tx:

Make sure you have cabled ports A and B correctly.

Try looping port A back to port B to test for port failure.

If the Tx and Rx LEDs light, the ports and cable are OK.

Check the event log to make sure that the router brings the ring up

and marks the circuit as active.

If the loopback test fails, try a different fiber cable. Then, try

replacing the link module.

Note: Multimode fiber is orange, and single-mode fiber is yellow. The

different fibers require different interface modules.

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