Connecting up
5.3 Antennas
SCALANCE MUM856-1
48
Operating Instructions, 08/2021, C79000-G8976-C628-02
WARNING
Danger due to lightning strikes
Installing this lightning protector between an antenna and a SCALANCE M device is not
adequate protection against a lightning strike. The LP798-1N lightening protector only
works within the framework of a comprehensive lightning protection concept. If you have
questions, ask a qualified specialist company.
Procedure
Follow the steps below to connect a cable for an external antenna:
1.
Remove the protective cap from the affected N-Connector on the device.
Note
Antennas
•
A1+ A2
An antenna must always be connected to the antenna ports in order to use 3/4/5G
connectivity.
•
A3+A4
Optional. The antenna ports are required for additional MIMO download streams.
Keep the protective caps
Keep the removed protective caps for later use.
2.
You can connect an external antenna directly to the device or connect it with a flexible
connecting cable.
Place the antenna plug or the flexible connecting cable on the antenna connector and
tighten the sleeve nut of the plug on the antenna connector (wrench SW19, torque
1.7 Nm).
3.
Screw a terminating resistor onto the unused antenna connector.
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