Allied Telesis 8648T/2SP manual Link and Mode LEDs for the AT-8624PoE switch, L/A Status, D/C Mode

16 AT-8600 Series Switch

Link and Mode LEDs for the AT-8624PoE switch

LED	State	Description
L/A Status	OFF	There is no link between the port
(Top LED)		and the end-node.
	Green	The port is operating at 100 Mbps.
	Flashing Green	There is activity on the port. It is
		transmitting and/or receiving data
		at 100 Mbps.
	Red	The port is operating at 10 Mbps.
	Flashing Red	There is activity on the port. It is
		transmitting and/or receiving data
		at 10 Mbps.
Mode LEDs	OFF	Either DC Mode or PoE Mode.
(Bottom LED)
D/C Mode	OFF	There is no link between the port
		and the end-node.
	Green	The port is operating in full duplex
		mode.
	Red	The port is operating in half-duplex
		mode.
	Flashing Red	The port is operating in half-duplex
		mode and data collisions are
		occurring on the port.
PoE Mode	OFF	There is no powered device
		detected.
	Green	The end-node is a powered device
		and the port is providing power to
		it.
	Red	The port is experiencing a problem
		providing PoE to the end-node.
	Flashing Red	The port is connected to a
		powered device but providing
		power to it would exceed the
		maximum PoE power budget of the
		switch.