Hardware reference guide

Ethernet Modules
298
35013379 11/2011
LED Indicators and Descriptions
The following figure shows the NOE3X100 LED indicators.
The following table describes the meaning of each NOE3X100 indicator.
SY/MAX Addressing
Be sure that the module is assigned a unique SY/MAX drop number during
configuration.
LED Descriptions
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.
WARNING
Personal injury or equipment damage
Failure to assign a unique SY/MAX drop number during configuration can cause
severe personal injury or equipment damage.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.