Rockwell Automation 1756-EN2T ControlLogix EtherNet/IP Module Installation Instructions - Manual (Page 20)

20 ControlLogix EtherNet/IP Module
Rockwell Automation Publication 1756-IN603C-EN-P - April 2010
Status Indicators
Indicator Status Description
NET Off The module is not powered. Verify that there is
chassis power and that the module is completely
inserted into the chassis and backplane.
The module does not have a valid IP address. Make
sure the module has been configured with a valid IP
address.
Flashing green The module has an IP address, but has no established
connections.
Green The module has an IP address and at least one
established connection.
Red The module is attempting to use an IP address
already in use on the network. Assign a unique IP
address to the module.
Link Off The module is not ready to communicate. Verify that
the module has power.
Green The module is ready to communicate.
Flashing green The module is communicating over the network.