Sun HPC 3.0 SCI Guide

Port Status LEDs

The four port status LEDs located on the switch front panel can be used to troubleshoot individual port failures (Table 6-1).


Note -

A switch port sync error can result from a cable being removed.


Table 6-1 SCI Switch Port Status LEDs

Situation 

Port LED Status 

No power 

All four LEDs not lit 

Fatal switch errors: 

fatal hardware error, 

temperature to high, 

fan(s) not operative, 

power supply problem 

All four LEDs red 

Port errors: 

SCI cable out, 

sync error 

Associated port LED is red 

Port operative, no transactions 

Associated port LED is green 

Port operative, with transactions 

Associated port LED is blinking green