7
Diagnostics and error handling
50
Festo – SBRD-EN – 2017-11 – English
The Link/Traffic LED is activated independently of the link speed when an ETH connection exists.
This LED goes out briefly if data are sent or received. And so, in operation, active data traffic is signaled
by irregular flashing of the LEDs.
Link/Traffic LED
LED
Status
Description
LED is off
ETH connection
No link
LED illuminates
green
Link
LED flashes
Traffic
1
1
1
Link/Traffic LED
Tab. 7.4
Link/Traffic LED, connections X8 and X10