
Description of the device
4.5 LED display
SCALANCE W1788-x / W1748-1
Operating Instructions, 03/2022, C79000-G8976-C484-05
35
LED
Color
Meaning
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
Client mode:
The client is searching for a connection to an access point.
Flashing green and
yellow
Data transfer via the WLAN interface 1.
Flashing yellow
Interval:
100 ms on / 100 ms off
Access point mode:
With DFS (802.11h), the channel is scanned for one minute for
competing radar signals before the channel can be used for
data traffic.
R2
Off
The WLAN interface 2 is deactivated.
Client mode:
The LED is always off because WLAN interface 2 is not
available in client mode.
Green
Access point mode:
The WLAN interface 2 is initialized and ready for operation.
Flashing green and
yellow
Access point mode:
Data transfer via the WLAN interface 2.
Flashing yellow
Interval:
100 ms on / 100 ms off
Access point mode:
With DFS (802.11h), the channel is scanned for one minute for
competing radar signals before the channel can be used for
data traffic.