20Switch and LED Indicators IntroductionThis section discusses the different LED indicators located on the : Front panel Hot-plug HDD carrier LAN portKnowing what each LED indicator signifies can aid in problem diagnosis and troubleshooting.Front Panel LED DescriptionNumber LED Color Status Description1 Power Green Solid On System is powered on.2 System ID Blue Solid On System identification is active-- Off System identification is disabled3 HDD Activity Green Blink HDD access-- Off No HDD access4 System Status Green Solid on Running or normal operationAmber Solid on Critical or non-recoverable condition(Power module or voltage power supplyfailure or critical temperature)Amber Blink Non-critical condition-- Off System not readyMay indicate the following: POST error NMI event Processor or terminator missing5 LAN1 Activity Green Solid on Link between system and network or noaccessGreen Blink Network access-- Off Disconnect/Idle6 LAN2 Activity Green Solid on Link between system and network or noaccessGreen Blink Network access-- Off Disconnect/Idle
