HP ProLiant DL580 G4 Server - Manual (Page 13)

Server component identification 13
Rear panel LEDs and buttons
Item Description LED color Status
1 NIC 1 Activity LED Green On or flashing = Network activity
Off = No network activity
2 NIC 1 Link LED Green On = Linked to network
Off = Not linked to network
3 NIC 2 Activity LED Green On or flashing = Network activity
Off = No network activity
4 NIC 2 Link LED Green On = Linked to network
Off = Not linked to network
5 iLO 2 NIC Activity LED Green On or flashing = Network activity
Off = No network activity
6 iLO 2 NIC Link LED Green On = Linked to network
Off = Not linked to network
7 UID LED Blue On = Activated
Flashing = Server remotely managed
Off = Deactivated