ZyXEL Communications ONU-6040B-21, ONU-6040B-22, ONU-6040B-2x LAN, LAN, Label, Color, Status, Description

	ONU-6040B-2x Series User’s Guide
The following table describes the LEDs in detail.
Label	Color	Status	Description
POWER	Green	On	The ONU-6040B-2x is receiving
			power and is ready.
		Off	The ONU-6040B-2x is not receiving
			power.
PON	Green	On	Connection to the optical network is
			up.
		Off	Connection to the optical network is
			down.
		Blinking	The ONU-6040B-2x is trying to
			register to an OLT.
LOS	Red	Blinking	The ONU-6040B-2x is receiving error
			signals or no optical signals from the
			OLT.
		Off	The ONU-6040B-2x is receiving good
			optical signals from the OLT
			successfully and no error signals.
LAN1 ~ 4	Green	On	The LAN port is connected to an
			Ethernet device at 10/100 Mbps.
		Blinking	The ONU-6040B-2x is sending or
			receiving data at 10/100 Mbps.
		Off	No Ethernet device is connected to
			the LAN port.

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