Technical specifications 
  7.2 Technical specifications of the SCALANCE XR328-4C WG 
SCALANCE XR-300WG 
Operating Instructions, 05/2017, C79000-G8976-C454-01 
51 
Mean time between failure (MTBF) 
MTBF (EN/IEC 61709; 40 
> 50 years 
 
Technical specifications of the SCALANCE XR328-4C WG 
7.2.1
 
The following technical specifications apply to the 24 VDC variant of the SCALANCE XR328-
4C WG. 
 
Attachment to Industrial Ethernet 
Electrical connectors 
Half/full duplex, MDI-X pinning 
Combo ports 
Electrical connect-
ors 
Half/full duplex, MDI-X pinning 
Slots for pluggable 
transceivers 
Serial interface  Quantity  1 
Connector  RJ-11 jack 
 
Power supply 
Terminal block, 2 terminals 
Rated voltage  24 VDC 
19.2 to 28.8 VDC Safe Extra Low Voltage (SELV) 
2
Property  Implemented redundantly