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ADAM-6521 Series User Manual
8
Chapter 2 Installation
2.1 LED Indicators
There are six network status LEDs located on the top panel of the
ADAM-6521 modules. Their meaning is displayed in Table 2.1
below.
Table 2.1: LED Indicator Legend
LED Indicator
Color
Status
Description
Power
Green
On
Power is on
Green
Off
Power is off
Link (100BASE-FX)
Green/
Orange
On
Connected to network
Green/
Orange
Flashing
Networking is active
Green/
Orange
Off
Not connected to network
100/10M
(Ports 1 to 4)
Green
(Link)
On
Connected to network
Green
(Link)
Flashing
Networking is active
Green
(Link)
Off
Not connected to network
Orange
(Speed)
On
Link to 100 Mbps network
Orange
(Speed)
Off
Link to 10 Mbps network