Siemens SCALANCE XM-400 Operating Instructions Manual page 28

Description of the device
2.7 LED display
Meaning in display mode D
In display mode D, the port LEDs indicate whether the port is monitored.
LED color
-
Green
Meaning in display mode E
In display mode E, the port LEDs indicate whether the connected device is supplied using
PoE.
LED color
-
Green
28
LED status
Off
On
LED status
Off
On
Meaning
Port is not monitored.
If no link was established at the port the signaling contact
does not indicate an error.
Port is monitored.
If no link was established at the port the signaling contact
indicates an error.
Meaning
The connected device is not supplied using PoE.
The connected device is supplied via PoE.
Operating Instructions, 05/2014, C79000-G8976-C306-03
SCALANCE XM-400