Intel EE110EM manual Understanding Ethernet Module LEDs, Port LEDs

Understanding Ethernet Module LEDs

The LEDs on the Ethernet Module provide information about the module’s configuration and status.

		Ethernet Module		or
Change	Auto-negotiate	Change	Auto-negotiate	Coll
duplex		speed
	Full-duplex		100 Mbps
	Half-duplex		10 Mbps
			MDI	MDI-X

Port LEDs

The LEDs on both ports light when a cable is attached to either port.

The LEDs above a port on the Ethernet Module provide information about the port’s configuration and status.

Green LED (left side)

Amber LED (right side)

LED	Status	Meaning
Green	Solid	Port has a link.
	Blinking	Receive or transmit activity detected on port.
	Off	No link detected.
Amber	Steady blink and	Ethernet Module speed and device speed don’t
	green LED on solid	match. This occurs only if the speed of the Ethernet
		Module has been forced to either 10 Mbps or
		100 Mbps and the device on the other end doesn’t
		match.
	Blinking and	The module has auto-partitioned the port due to a
	green LED off	temporary error condition on the network. Make
		sure the duplex setting on the module matches the
		attached device.
	Off	Normal. No link detected if green LED is unlit.

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