Advantech ADAM-4571 - Manual (Page 27)

Chapter 2 Getting Started 17
2.1.2.3 EDG-4504
There are 13 LEDs located on the top panel of EDG-4504,
each with its own specific function.
Table 2-3 EDG-4504 LED Definition
LED Status Description
Status
ON Heart beat (1 time/sec)
OFF Not working
10M
ON 10 Mbps speed
OFF Invalid 10 Mbps Network link
100M
ON 100 Mbps speed
OFF Invalid 100 Mbps Network link
TX (Ethernet)
ON Ethernet data being received
OFF No data being transmitted
RX (Ethernet)
ON Ethernet data being received
OFF No data being received
TX (port N)
N=1~4
ON Serial port data being transmitted
OFF No data being received
RX (port N)
N=1~4
ON Serial port data being transmitted
OFF No data being received