
Chapter 2 Getting Started 9
Table 2-1 ADAM-4577 LED Definition
2.1.3 Top / Front / Rear View
There are three network status LEDs located on the top panel of
ADAM-4577, each with its own specific function.
LED Color Status Description
Status/Link
Red
Flash Heartbeat (1 time/sec)
ON Locate
OFF Not working
Green
O N Valid network link
OFF Invalid network link
Tx/Rx
(Ethernet)
Red
ON No data being transmitted
Flash Ethernet data being transmitted
Green
ON No Data being received
Flash Data being received
Tx/Rx (port1)
Red
ON Serial port data being transmitted
OFF No data being received
Green
ON Data being received
OFF No data being received
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