Figure 3.30:Self-Diagnosis; Self Diagnosis - Advantech EKI-6538 User Manual

3.3 Self Diagnosis

EKI-6538 comes with a self-diagnosis button (on the top of the module)
and front-viewable LEDs for field troubleshooting. Without the need for
extra tools, you can recognize the hardware status of the Ethernet port
instantly through one single button.
If you find the link status or the LED indicator status is abnormal, you can
use the self-diagnosis button for self-diagnosing. Press the button while
EKI-6538 is working for few seconds (1~3 sec) until the LEDs turn off
temporary. The LEDs will be shining when the self-diagnosis is going.
After few seconds, the LEDs will back to normal status and the FAULT
LED will be lit if one of the linked ports fail. User can easily determine if
the abnormal problem caused from EKI-6538.
Figure 3.30: Self-Diagnosis
45 Chapter 3