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Troubleshooting

This chapter describes how to isolate and diagnose problems with your Ethernet Routing Switch 2500 Series and covers the following topics:

"Interpreting the LEDs" (page 337)

"Diagnosing and correcting problems" (page 337)

Normal power-up sequence

Port connection problems

Interpreting the LEDs

For information on interpreting the LEDs for the Ethernet Routing Switch 2500 Series, see "LED display panel" (page 27).

Diagnosing and correcting problems

Before you execute the problem-solving steps described in this section, cycle the power to the Ethernet Routing Switch 2500 Series (disconnect and then reconnect the AC power cord); then verify that the switch follows the normal power-up sequence.

WARNING

To avoid injury from hazardous electrical current, do not remove the top cover of the device. There are no user-serviceable components inside.

WARNING

Vorsicht

Um Verletzungsgefahr durch einen elektrischen Stromschlag auszuschließen, nehmen Sie niemals die obere Abdeckung vom Gerät ab. Im Geräteinnern befinden sich keine Komponenten, die vom Benutzer gewartet werden können.

Nortel Ethernet Routing Switch 2500 Series

Overview — System Configuration

NN47215-500 (323162-B) 02.02 Standard

4.1 19 November 2007

Copyright © 2007, Nortel Networks

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Nortel Networks 2500 Series manual Troubleshooting, Interpreting the LEDs, Diagnosing and correcting problems