This article provides an overview of the light behavior for Linksys ISP routers with ACS (Automatic Configuration Server) support. These are the Linksys routers that were provided by an approved ISP to their subscribers.

The table below shows the different descriptions of each color.

Light behavior
 

Color	Status	Description
Purple	Solid	Ready for setup
White	Blinking	Automatic setup is in progress (supported on most Linksys ISP nodes only)
Blue	Blinking	Router is booting up
	Solid	Setup and online
Red	Blinking	Parent router - Router is not connected to the modem.   Child node - Node is disconnected from the network.
	Solid	Parent router - Internet is down
Yellow	Solid	Child node - Weak connection