Rockwell Automation 1756-ENET/B ControlLogix Ethernet Communication Interface Module User Manual - Manual (Page 32)

Publication 1756-UM051B-EN-P - November 2000
2-8 Installing the Ethernet Module
Checking Power Supply and Module Status
Check the LED indicators to determine if the power supply and the
Ethernet module are operating properly.
If the Power Supply and module OK indicators are not in the states
described above refer to Appendix A for help in troubleshooting your
module.
What’s Next? The following chapter describes some Ethernet basics you should
know before configuring your module.
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.
RXD TXD