Mbps) continues to be displayed. If there is a connection problem and auto negotiation is active,
the port LED goes o.
Meaning in display mode C
In display mode C, the port LEDs indicate the mode.
LED color LED status Meaning
- O Port operating in half duplex mode
Green On Port operating in full duplex mode
Meaning in display mode D
In display mode D, the port LEDs indicate whether the port is monitored.
LED color LED status Meaning
- O Port is not monitored.
If no link was established at the port the signaling contact
does not indicate an error.
Green On Port is monitored.
If no link was established at the port the signaling contact
indicates an error.
Meaning in display mode E
In display mode E, the port LEDs indicate whether the connected device is supplied using PoE.
LED color LED status Meaning
- O The connected device is not supplied using PoE.
Green On The connected device is supplied via PoE.
Description of the device
4.7 LED display
SCALANCE XM-400
Operating Instructions, 03/2021, C79000-G8976-C306-10 37