Intel 220T - Manual (Page 9)

7
210T Hub LEDs
The 210T hub LEDs indicate these conditions: hub speed, collisions in the
hub or stack of hubs, and whether the hub is managed.
10Base-T
100Base-TX
Power
Intel Express 210T
Stackable Hub
Collision
Managed
Status
Change Hub Speed
LED Status Meaning
10Base-T On Hub is operating at 10Mbps.
100Base-TX On Hub is operating at 100Mbps.
Collision Blinking Collisions detected on hub (or stack).
LED brightens as more collisions are
detected. 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.
Status On Hub is operating normally.
Blinking Hub has an internal hardware or software
problem. See descriptions for the right
port LED on page 6.
Managed and Status Blinking Hub failed to load its internal software
Power On Hub is receiving power.
Off Hub is not receiving power.