Intel PCLA2152B manual Unit LEDs, 100BASE-TX

NOTE

If you change the speed, the hub keeps the setting until you change it again, even if you turn off the hub’s power.

Changes the hub speed. The default speed is 100 Mbps.

Unit LEDs

Unit LEDs indicate the status of a hub’s power supply, hub speed, collision occurrences in a hub or stack of hubs, and whether a hub is managed.

Change hub speed

10BASE-T	Collision	Power
100BASE-TX	Managed

Status

LED	Status	Meaning
10BASE-T	On	Hub is operating at 10 Mbps.
100BASE-TX	On	Hub is operating at 100 Mbps.
Collision	Blinking	Collisions detected on hub (or stack). LED brightens as
		more collisions are detected. Collisions are normal in an
		Ethernet environment. Continuous blinking indicates an
		overloaded network.
	Off	No collisions detected.
Managed	On	Hub is managed by the optional
		Management Module.
	Off	Hub is not managed by the Management Module.
Status	On	Hub is operating normally.
	Blinking	Hub has an internal hardware or software problem. See
		the port Amber LED description on the previous page.
Managed and	Blinking	Hub failed to load its internal software properly. Try
Status		recycling the power.
Power	On	Hub is receiving power.
	Off	Hub is not receiving power.

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