Aaeon PCM-4894 User Manual page 31

A continuously lit LED indicates good linkage between the PCM-
4894 and its supporting hub.
A flashing LED indicates that the PCM-4894 is transmitting or
receiving data.
A flashing LED indicates that PCM-4894 is accessing the hard
drive.
The following table lists the pin assignment of CN13:
Pin
1
2
3
4
5
6
7
8
9
10
Signal
LAN Link
+5V
LAN Active
+5V
HDD LED
+5V
Reserved
GND
Reset
GND
Chapter 2 Installation 25