Apple A1034, MA073LL/A setup guide Base Station LED Sequences, Left Center Right Status/description

Base Station LED Sequences

The following table explains the base station’s light sequences and what they indicate.

Left	Center	Right	Status/description
Off	Off	Off	The base station is unplugged or has failed.
			If the base station is plugged in and all
			lights are off, contact your Apple-authorized
			service provider.
On	On	On	The base station is in self-check mode.
Rapid sequenced flashing, right-to-left			The base station is starting up.
Slowly flashing	Slowly flashing	Slowly flashing	The base station has failed the power-on
			self-test. Contact your Apple-authorized
			service provider.
Off	Flashing slowly	Off	The base station is being reset. The network
			and base station passwords are reset to
			public.
Off	Flashing three	Off	The base station is being reset, and all
	times		settings are returned to their factory
			defaults.
Off/Flashing	On	Off/Flashing	Left and right flashing indicates normal
			network activity. The left LED flashing
			indicates AirPort wireless activity and the

right LED flashing indicates Ethernet or network activity.

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Appendix AirPort Extreme Base Station Specifications