Description of the device
4.5 LED display
SCALANCE W778-1 / W738-1
30
Operating Instructions, 03/2022, C79000-G8976-C450-07
LED
Color
Meaning
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.
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.
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 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"