Rockwell Automation 1756-ENET/B ControlLogix EtherNet Comm. Interface Module, Series B Installation Instructions - Manual (Page 13)

ControlLogix Ethernet Communication Interface Module 13
Publication 1756-IN053D-EN-P - June 2002
Checking Power Supply and Module Status
Check the LED indicators to determine if the power supply and
module are operating properly.
If the Power Supply and OK indicators are not in the states described
above refer to the following troubleshooting section.
OK TXD RXD
< www > ETHERNET
POWER
OK indicator is RED,
then FLASHING RED
(or is GREEN if module
is configured).
Power Supply
indicator is GREEN