Led Display - Siemens SIMATIC NET SCALANCE W774-1 Operating Instructions Manual

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 device:
LED
L1
L2
PoE
P1
SCALANCE W774-1 / W734-1
Operating Instructions, 03/2022, C79000-G8976-C325-15
Color Meaning
Off Power supply L1 too low.
Green Power supply L1 is applied.
Off Power supply L2 too low.
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).
Flashing green Data transfer over the Ethernet interface P1.
and yellow
Description of the device
4.5 LED display
29