Siemens SCALANCE W788-1 Operating Instructions Manual page 32

Connecting up
6.2 Power supply and Ethernet
Note
Grounding connector
The device has a grounding connector on the back of the device (screw M4). Connect the
grounding cable before you mount the device. Refer to the information in the section
Mounting (Page 19).
Ethernet connector
Depending on the model, the connection of the SCALANCE W7x8 to Ethernet is either via
an RJ-45 interface or via an M12 interface.
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SCALANCE W788-x / W748-1
Operating Instructions, 06/2016, A5E03678333-10