Understanding the light behavior of the Linksys MR5500

This article describes the light behaviors on the Linksys MR5500 Series and what they mean.

Front Panel

Color	Status	Description
Blue	Blinking	Booting up Wi-Fi Protected Setup™ (WPS) pairing has started


	Solid	Connected to the internet The router is online Everything is good


Purple	Blinking	Setup in progress

	Solid	Ready for setup

Red	Blinking
		Not connected to modem (parent node) Backhaul network is down (child node)

	Solid	No internet (parent node)
Amber	Solid	Weak signal (on child node)
	Blinking	WPS pairing has failed

Back Panel

Light	Color	Activity	Description
Ethernet (LAN port)	Green (Link) / Yellow (Activity)	OFF	No physical link at LAN port
	Green	Solid ON	Physical link is up at LAN port
	Amber
	Amber	Blinking	Data is transmitting through the LAN port
Internet (WAN port)	Green (Link) / Yellow (Activity)	OFF	No physical link at Internet (WAN) port
	Green	Solid ON	Physical link is up at Internet (WAN) port
	Amber
	Amber	Blinking	Data is transmitting through the Internet (WAN) port
USB	Blue	OFF	No USB connection / USB drive is unmounted
		Solid ON	USB connected / mounted
		Blinking	USB is actively reading / writing