4RF Limited SRN0400025A ユーザーズマニュアル
Preparation | 51
Aprisa SR User Manual
Earthing and Lightning Protection
WARNING:
Lightning can easily damage electronic equipment.
To avoid this risk, install primary lightning protection devices on any interfaces that
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.
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.
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.
the cable outer.
Radio Earthing
The Aprisa SR has an earth connection point on the top left of the enclosure. A M4 8mm pan pozi machine
screw and a M4 lock washer is supplied fitted to the radio. This can be used to earth the enclosure to a
protection earth.
screw and a M4 lock washer is supplied fitted to the radio. This can be used to earth the enclosure to a
protection earth.