4. Names and Functions of ComponentsExpress5800/R320c-E4, R320c-M4 User's Guide 49Chapter 1 General Description4.8 LEDsThe figures below show the location of LEDs on server.For details, refer to Chapter 1 (6.1 Error Messages by LED Indication) in Maintenance Guide.System POWER LEDSystem FAULT LEDSystem FT LEDSystem ID LED< With front bezel installed >System POWER LEDSystem FAULT LEDSystem FT LEDSystem ID LEDSystem POWER LEDDisk ACCESS LEDEXPRESSSCOPEOptical disk STATUS LED< Front View >LINK/ACT LEDSPEED LEDGLAN connectorPower unit LEDModule ID LEDManagement LAN port10GLAN connector(R320c-M4 model only)< Rear View >