Ciena 3801 XGS-PON
Normal Status Lights

Light	STATUS	Description & Suggested Action
POWER	Solid Green	Unit is receiving power and operating normally
	Unlit	No power is being supplied
XGS-PON	Solid Green	The ONU is successfully registered and synchronized with the Optical Line Terminal
	Flashing Green	Attempting to range or register with the network
LOS	Solid Red	Loss of Signal is detected. The device is not receiving an optical signal from the fiber line
LAN	Solid Green	Ethernet link is established with a connected device
	Flashing Green	Data is being transmitted/received through the port
	Unlit	No Ethernet link detected. Cable may be unplugged or the connected device is powered off

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The Story Behind "Status Lights"

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