Rear panel LEDs Item Description Status 1 UID LED Off = Deactivated Solid blue = Activated Flashing blue = System is being managed remotely. 2 Link LED Off = No network link Green = Network link 3 Status LED Off = No network activity Solid green = Link to network Flashing green = Network activity 4 Power supply LEDs Off = System is off or power supply has failed. Solid green = Normal