Apple AirPort Extreme 802.11n (5th Generation) - Manual (Page 12)

12 Chapter 1 GettingStarted
Light Status/description
Flashing amber and green There may be a problem starting up. AirPort Extreme will restart
and try again.
Solid blue The base station is ready to allow a wireless client access to the
network. See “Allowing Wireless Clients Access to Your Network”
on page 25.
What’s Next
After you plug in your AirPort Extreme, use AirPort Utility to set it up to work
with your Internet connection, USB printer or hard disk, or an existing network.