Connecting Up; Safety When Connecting Up - Siemens SIMATIC NET SCALANCE MUM856-1 Operating Instructions Manual

Connecting up

5.1

Safety when connecting up

Safety notices
When connecting up the device, keep to the safety notices listed below.
Note
Strain relief for the Ethernet cables
In order to avoid mechanical stress on the Ethernet cables and resulting interruption of the
contact, fasten the cables at a short distance from the connector using a cable guide or busbar.
Note
Close unused sockets
Close all unused M12 sockets with protective caps (tightening torque at least 0.4 Nm) to achieve
the specified type of protection.
Safety notices for operation with a power supply according to NEC Class 2
Operate the device with a power supply according to NEC Class 2. When connecting up the
device, keep to the safety notices listed below.
Insulation of external power supplies
Ext. circuits intended to be connected to this device shall be galv. separated from hazardous live
voltage by reinforced or double insulation.
SCALANCE MUM856-1
Operating Instructions, 02/2023, C79000-G8976-C628-05
WARNING
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