Siemens SCALANCE XR524-8C Operating Instructions Manual page 23

Meaning in display mode C
In display mode C, the port LEDs indicate the mode.
LED color
-
Green
Meaning in display mode D
In display mode D, the port LEDs indicate whether the port is monitored.
LED color
-
Green
Yellow
Meaning in display mode E
In display mode E, the port LEDs indicate whether the connected device is supplied using
PoE.
LED color
-
Green
SCALANCE XR-500
Operating Instructions, 05/2014, A5E03275845-05
LED status
Off
On
LED status
Off
On
On
LED status
Off
On
Meaning
Port operating in half duplex mode
Port operating in full duplex mode
Meaning
Port is not monitored.
Port is monitored for "Link down".
If no link was established at the port (e.g. cable not
plugged in), the signaling contact indicates an error.
Port is monitored for "Link up".
If a 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.
Description of the device
3.3 LED display
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