LEDs

Color

Indication when On

Active

Green

Module is communicating with backplane.

Ready

Green

Module has passed internal diagnostic tests.

Run

Green

Flashes during normal operation.

Link

Green

Ethernet connection is made.

Kernel

Amber

On during download.

Fault

Red

An error condition has occurred.

Collision

Red

If steady, an error condition exists. If flashing, packet collisions are occurring on the network during data transmission.

Appl

Amber

A fatal error has occurred.