Description of the device
4.3 LED display
SCALANCE W778-1 /W738-1
Operating Instructions, 07/2020, C79000-G8976-C450-06
25
LED
Color
Meaning
P2
Off
There is no connection over the Ethernet port P2.
Green
There is a connection over the Ethernet port P2 (link).
Flashing green
and yellow
Data transfer over the Ethernet interface P2.
R1
Off
The WLAN interface 1 is deactivated.
Green
Access point mode:
The WLAN interface 1 is initialized and ready for operation.
Client mode:
There is a connection over the WLAN interface 1.
Flashing green
and yellow
Data transfer via the WLAN interface 1.
Flashing yellow
Client mode:
The client is searching for a connection to an access point.
Flashing yellow
Interval:
100 ms
on / 100 ms off
Access point mode:
With DFS (802.11h), the channel is scanned for one minute for com-
peting radar signals before the channel can be used for data traffic.
Client mode
:
The client waits for the MAC address due to the setting "Automatic"
for the "MAC mode" parameter and is not connected to an access
point.
Flashing yellow
and green
Interval:
3x (100 ms on /
100 ms off)
1x 1000 ms on
Client mode:
The client waits for the MAC address due to the setting "Automatic"
for the "MAC mode" parameter and is connected to an access point.
F
Off
No fault/error.
Red
The device is starting up or an error has occurred.
Flashing red
Interval:
500 ms
on / 500 ms off
The bootloader waits in this state for a new firmware file that you can
download by TFTP.
