O

P

ns

ns

ns

ns

Module not operational.

O

F

O

O

O

O

Module not configured or configuration error.

F

F

O

O

O

O

Module running self-test.

P

O

O

O

F

O

Ethernet communication sending.

P

O

O

O

O

F

Ethernet communication receiving.

P

O

O

O

F

F

Ethernet communication in sending/receiving.

P

O

F

O

F

O

Module has detected collision.

P

O

O

P

O

O

Duplicate MAC address.

O

O

O

P

O

O

Network address beyond limits.

P = Permanently on, F = flashing, O = Off, ns = not significant