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Description of the device
4.5 LED display
SCALANCE W1788-x / W1748-1
32
Operating Instructions, 03/2022, C79000-G8976-C484-05
LED
Color
Meaning
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.
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.
Flashing red
Interval:
2000 ms on /
200 ms off
Firmware on PLUG:
The device is performing a firmware update or downgrade.
Red
Simultaneous
R1 yellow flashing
A competing radar signal was found on all enabled channels.
P1
P2
R1
Flashing green
The port LEDs flash for detection of device location.
The "LED flash" function is activated
•
Either with SINEC PNI
•
Or via the WBM page "Discovery and Set via DCP"