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4.5
LED display
Information on operating status and data transfer
On the front of the housing, several LEDs provide information on the operating status of
the SCALANCE W7x8:
LEDs with RJ-45 variants
Note
The "R2" LED only exists on devices with two IWLAN interfaces.
LED
L1
L2
PoE
P1
SCALANCE W788-x / W748-1
Operating Instructions, 03/2022, A5E03678333-17
Color
Meaning
Off
Power supply L1 too low.
Green
Power supply L1 is applied.
Off
Power supply L2 too low.
1)
Green
Power supply L2 is applied.
Off
The device is not supplied using PoE.
Green
The device is supplied using PoE.
Off
There is no connection over the Ethernet port P1.
Green
There is a connection over the Ethernet port P1 (link).
Description of the device
LEDs with M12 variants
4.5 LED display
29
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