Siemens SCALANCE MUM853-1 Operating Instructions Manual page 52

Connection
6.3 Ethernet
Position
The figure shows the position of the connectors to Industrial Ethernet with 10/100/1000 Mbps.
Pin assignment
The following table shows the pin assignment of the RJ45 connectors.
Pin number
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
52
Pin assignment
10/100/1000 Mbps
D1+
D1-
D2+
D3+
D3-
D2-
D4+
D4-
Operating Instructions, 03/2023, C79000-G8976-C650-05
RJ45 connector
SCALANCE MUM853-1