337TroubleshootingThis chapter describes how to isolate and diagnose problems with yourEthernet 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 problemsInterpreting the LEDsFor information on interpreting the LEDs for the Ethernet Routing Switch2500 Series, see "LED display panel" (page 27).Diagnosing and correcting problemsBefore you execute the problem-solving steps described in this section,cycle the power to the Ethernet Routing Switch 2500 Series (disconnect andthen reconnect the AC power cord); then verify that the switch follows thenormal power-up sequence.WARNINGTo avoid injury from hazardous electrical current, do not removethe top cover of the device. There are no user-serviceablecomponents inside.WARNINGVorsichtUm Verletzungsgefahr durch einen elektrischen Stromschlagauszuschließen, nehmen Sie niemals die obere Abdeckung vomGerät ab. Im Geräteinnern befinden sich keine Komponenten, dievom Benutzer gewartet werden können.Nortel Ethernet Routing Switch 2500 SeriesOverview — System ConfigurationNN47215-500 (323162-B) 02.02 Standard4.1 19 November 2007Copyright © 2007, Nortel Networks.
