Hardware reference guide

Ethernet Modules
35013379 02 October 2007 317
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.
Active
Ready
Run
Kernel
Fault
Collision
Link
Appl
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 this instruction
can result in death, serious injury, or
equipment damage
.
WARNING
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com