RIO Remote I/O System User Guide
Installing Remote Terminal Adaptors (RTAs)
Page 167
Chapter 2 Installing hardware and software
LED states
RTA state Link LEDs RUN LED CON LED PORT
Switched off Off Off Off Off
Being booted up by host Orange Off Off Off
Boot up successfully completed Orange Green Off Off
Assigned ID by host Orange Green Green Off
Traffic on Link Gr een Green Green Off
Error on link Flashing Red Green Green Off
Isolated from host Red for 20
seconds then
Off
Green Off Off
Port open No change No change No change Green
Note
If the LEDs on the unit do not display as expected, refer to Appendix
C Troubleshooting for details of corrective action to take.