Operating instructions

Description of the device
3.5 LEDs
SCALANCE X-100
24 Operating Instructions, 07/2014, A2B00060666-05
3.5
LEDs
Fault LED "F" (red LED)
The fault LED indicates the incorrect functioning of the device.
LED color
LED status
Meaning
Red Lit The SCALANCE switch X-100 detects a fault. At the same time, the signaling contact
opens.
The following faults/errors are detected:
1. Link down event on a monitored port.
2. Loss of the power supply of one of the two redundant power supplies or the
power supply drops below 14 V.
3. Both power supplies are below approximately 14 V (voltage too low).
-
Off
No problem has been detected by the SCALANCE X-100.
Power LED "L" (green LED)
The power LED shows the status of the power supply.
LED color
LED status
Meaning
Green
Lit
Power supply L1 or L2 is connected.
-
Off
Power supply L1 and L2 are not connected or L1 and L2 <14 V.
Note
If the green LED is not lit, no other signal LED lights up either.
Port LEDs "P" (green/yellow LEDs)
The port LEDs indicate the status of the ports.
LED color
LED status
Meaning
Green
Lit
Link exists, no data reception at port
Yellow Lit Link exists, data reception at port
Yellow
Flashing
Setting or display of the fault mask