Siemens SIMATIC NET SCALANCE W788-x Operating Instructions Manual page 30

Description of the device
4.5 LED display
LED
R1
R2
30
Color Meaning
Flashing green Data transfer over the Ethernet interface P1.
and yellow
Off The WLAN interface 1 is deactivated.
Access point mode:
Green
The WLAN interface 1 is initialized and ready for operation.
Client mode:
There is a connection over the WLAN interface 1.
Flashing green Data transfer via the WLAN interface 1.
and yellow
Client mode:
Flashing yellow
The client is searching for a connection to an access point.
Access point mode:
Flashing yellow
With DFS (802.11h), the channel is scanned for one minute for
competing radar signals before the channel can be used for data
traffic.
Interval:
Client mode:
100 ms on /
The client waits for the MAC address due to the setting "Automatic"
100 ms off
for the "MAC mode" parameter and is not connected to an access
point.
Client mode:
Flashing yellow
and green The client waits for the MAC address due to the setting "Automatic"
for the "MAC mode" parameter and is connected to an access point.
Interval:
3x (100 ms on /
100 ms off)
1x 1000 ms on
Off The WLAN interface 2 is deactivated.
Client mode:
The LED is always off because WLAN interface 2 is not available in
client mode.
Access point mode:
Green
The WLAN interface 2 is initialized and ready for operation.
Access point mode:
Flashing green
and yellow Data transfer via the WLAN interface 2.
SCALANCE W788-x / W748-1
Operating Instructions, 03/2022, A5E03678333-17