The Linksys MX5501ST for Starry ISP has one indicator light on the top of the node. This light has different color behaviors. The table below shows the different description of each color. 

 

Color	Status	Description
Blue	Blinking	Starting up
	Solid	Connected to the internet
Purple	Blinking	Setup in progress
	Solid	Ready for setup
Red	Blinking	Disconnected or out of range   For child node: The node is too far. For parent node: The node is unplugged from the modem.
	Solid	No internet from the modem
Yellow	Solid	Weak connection (for child node only)
White	Blinking	Automatic Configuration Server (ACS) setup is in progress