User`s manual

Chapter 2 Getting Started 15
2.1.3.2 ADAM-4571/4571L/4571S
There are four LEDs located on the top panel of ADAM-4571/
4571L/4571S, each with its own specific function.
Table 2-2 ADAM-4571/4571L/4571S LED Definition
LED Color Status Description
Status/Power
Red
ON Heartbeat (1 time/sec)
OFF Not working
Green
ON Power ON
OFF Power OFF
Speed/Link
Red
ON 100 Mbps speed
OFF 10 Mbps speed
Green
O N Valid network link
OFF Invalid network link
Tx/Rx
(Ethernet)
Red
ON Ethernet data being transmitted
OFF No data being transmitted
Green
ON Data being received
OFF No Data being received
Tx/Rx (port1)
Red
ON Data being transmitted
OFF No data being transmitted
Green
ON Data being received
OFF No data being received