Description of the device
3.5 LED display
SCALANCE W774-1 /W734-1
22 Operating Instructions, 01/2017, C79000-G8976-C325-08
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:
Power supply L1 is applied.
Power supply L2 is applied.
Power supply using Power over Ethernet.
There is a connection via the first Ethernet interface (Link).
Green and yel-
low flashing
Data transfer via the first Ethernet interface.
P2
There is a connection via the second Ethernet interface (Link).
Green and yel-
low flashing
Data transfer via the second Ethernet interface.