Description of the device
3.5 LED display
SCALANCE W760/W720
22 Operating Instructions, 07/2020, C79000-G8976-C322-12
Flashing red
Interval:
500 ms
The bootloader waits in this state for a new firmware file that you can
download by TFTP.
Red
Simultaneous
R1 yellow
flashing
A competing radar signal was found on all enabled channels.
P1
R1
Flashing yellow
The port LEDs flash for detection of device location.
The "LED flash" function is
• Either with SINEC PNI
• Or via the WBM page "Discovery and Set via DCP"
Note
Primary user (radar) on all enabled channels (only when DFS is enabled)
If the device detects competing radar signals on all enabled channels of the WLAN interface,
the F
LED is lit and
flash. No data traffic is then possible for the next 30 minutes. After
this time, the device runs the scan again and checks whether a prima
ry user still exists. If no
primary user is detected, data traffic is possible again.
The wait time of 30 minutes is necessary due to legal requirements and cannot be shortened
even by restarting the device.
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