6

TROUBLESHOOTING

This chapter describes:

Troubleshooting Using LEDs

Recovering from Problems

Resetting the ATM Backbone SwitchModule

Obtaining Technical Assistance

Troubleshooting Using LEDs

Troubleshooting Base Module LEDs

This section identifies possible causes and solutions for ATM Backbone SwitchModule LED indications. This section describes:

Troubleshooting Base Module LEDs

Troubleshooting ATM OC-3 Card LEDs

This section explains the procedures for:

Verifying Base Module LED Operation

Reading the Base Module LEDs

Refer to Determining Corrective Action.

Verifying Base Module LED Operation

If a ATM Backbone SwitchModule LED is not illuminated, use the CoreBuilder 5000 Controller Module or CoreBuilder 5000 Advanced DMM/Controller Module LED test button to verify operation of the base module LEDs. The LED test does not disrupt network operation.

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3Com 5000 ATM manual Troubleshooting Using LEDs, Verifying Base Module LED Operation