Preparation | 53
Aprisa SRx User Manual 1.3.0
Earthing and Lightning Protection
WARNING
:
Lightning can easily damage electronic equipment.
To avoid this risk, install primary lightning protection devices on any interfaces that
are reticulated in the local cable network.
You should also install a coaxial surge suppressor on the radio antenna port.
Feeder Earthing
Earth the antenna tower, feeders and lightning protection devices in accordance with the appropriate
local and national standards. The diagram below shows the minimum requirements.
Use grounding kits as specified or supplied by the coaxial cable manufacturer to properly ground or bond
the cable outer.
Radio Earthing
The Aprisa SR has an earth connection point on the top left and the top right of the enclosure. M4 8mm
pan pozi machine screws and M4 lock washers are supplied fitted to the radio. These screws can be used
to earth the enclosure to a protection earth.