![background image](http://html1.mh-extra.com/html/ifm/al3100/al3100_operating-instructions-manual_3918336012.webp)
AL3100
Ethernet switch
12
7 Operating and display elements
7.1 LEDs
2
3
4
5
6
7
1
1:
US (port XD1)
2:
LNK / ACT (port X2)
3:
LNK / ACT (port X4)
4:
LNK / ACT (port X6)
5:
LNK / ACT (port X5)
6:
LNK / ACT (port X3)
7:
LNK / ACT (port X1)
7.1.1 Voltage supply
LED
Description
Colour
State
Description
US
Voltage supply status
Green
Off
No supply voltage is applied or the applied supply voltage
is too low
On
Supply voltage applied
7.1.2 Ethernet
LED
Description
Colour
State
Description
LNK /
ACT
Status Connection / Activity
Green
Off
No Ethernet connection
On
Ethernet connection established
flashes
Data transmission