4.4
LED display
4.4.1
Fault LED "F"
The fault LED "F" indicates the incorrect functioning of the device.
LED color
LED status
Meaning
-
Off
The device is switched off or has not detected a problem.
Red
Lit
The device has detected a problem.
Using the WBM and CLI, you can set when the device sig‐
nals an error and which errors should be signaled.
4.4.2
"RM" LED
The "RM" LED indicates whether or not the device is a redundancy manager and whether or not
the ring is operating free of error.
LED color
LED status
Meaning
-
Off
The device is not a redundancy manager.
Green
On
The device is a redundancy manager.
The ring is working without problems, monitoring is activated.
Green
Flashing
The device is a redundancy manager.
An interruption has been detected on the ring and the device has
switched through.
4.4.3
LED "L"
The LED "L" shows whether the power supply is connected.
LED color
LED status
Meaning
Green
Lit
The power supply is connected.
With a redundant power supply, you can use the configuration to show
which power supply is connected.
-
Off
No external power supply is connected.
4.4.4
Port LEDs "P"
The port LEDs indicate the status of the ports.
RJ-45 ports
Each RJ-45 port has 2 integrated LEDs.
Description of the device
4.4 LED display
SCALANCE XR-300WG
Operating Instructions, 03/2021, C79000-G8976-C454-07
27