4-5
Chapter 4 Troubleshooting Procedures
NortelNetworks 5399 Access Switch HardwareInstallation Guide
Table4-2. TroubleshootingGuide
(continuedon next page)
Condition PossibleCause CorrectiveAction
Annunciatoris
amber. Youreset the
moduleor cycled
powerby removing
themodule and
reinsertingit.
Nonere quired.The
annunciatorshould turn green
whenthe module successfully
completesthe power-up
diagnostics.
Annunciatoris
amber. Detectable module
componentfailure. Usea service port terminal to
checkthe self-test diagnostic
messages to determin e
whetheryou canresolve the
problem;otherwise, replace
themodule.
Annunciatoris off;
othermodule
annunciatorsare
off; chassis LEDs
off.
Nopower to
chassis. Turnon power to the chassis.
Annunciatoris off;
othermodule
annunciatorsare
off; chassis LEDs
areon.
Chassis power is
belowrequired
modulethreshold.
Checkchassis power supply
LEDs and powersupplies.
Annunciatoris off;
othermodule
annunciatorsare
on;chassis LEDs
areon.
Moduleis not
seatedproperly. Re-seat the module.