Power Over Ethernet (Poe) - Siemens SCALANCE XM-400 Operating Instructions Manual

2.9.2

Power over Ethernet (PoE)

Function
The "Power over Ethernet" function supplies connected devices with power via the Ethernet
cable. Devices supplied with power via an Ethernet cable do not require a separate voltage
source.
PoE-compliant devices can be divided into the following groups:
● Power source (PSE - Power Sourcing Equipment)
● Power consumer (PD - Powered Device)
Power over Ethernet with SCALANCE XM-400
With a SCALANCE XM-400, you can use the "Power over Ethernet" function via the port
extender PE408PoE as the power generator.
You will find detailed information on the port extender PE408PoE in the operating
instructions "Extenders for SCALANCE XM-400".
You will find the Operating Instructions here:
● On the data medium that ships with some products:
● On the Internet under the following entry ID:
SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C306-03
These inject power onto the Ethernet cable.
These are supplied with power via the Ethernet cable.
– Product CD / product DVD
– SIMATIC NET Manual Collection
84525936 (http://support.automation.siemens.com/WW/view/en/84525936)
Description of the device
2.9 Functions
33