Appendix A
Status Indicators
EtherNet/IP Network
DeviceNet Network
74
Indicator
Status
EN NS
Off
(EtherNet/IP Status)
Green
Flashing green
Red
Flashing red
Alternating green/red
LNK 1, LNK 2
Off
(Ethernet Link 1, 2)
Flashing green
Flashing yellow
Indicator
Status
DN NS
Off
(DeviceNet Status)
Green
Flashing green
Red
Flashing red
Alternating green/red
Rockwell Automation Publication 1788-UM059B-EN-P - September 2015
Description
Power off, or no IP address
Connected
Not connected
Duplicate IP address
Connection timeout
Power-on self-test (POST)
No link
Receiving/transmitting Ethernet packets at 100
Mbit
Receiving/transmitting Ethernet packets at 10
Mbit
Description
No power
Online, connected
Online, not connected
Unrecoverable fault
Recoverable fault
Communication faulted