Installing the hardware 80P0725810 Issue 3.0 COMPANION 200 Installation and Maintenance Guide3. To prevent undue cable stress on the co-axial cable, secure it tothe mounting surface with a clamp.4. Connect the external antenna to the appropriate Base Stationradio.Note: The length of the co-axial cable must not exceed 10 m.Installing an outdoor omni-directional external antennaWhen installing an outdoor omni-directional external antenna:• Locate the antenna on the external wall of the building.Note: The antenna must be mounted on a vertical surface.• Keep the outdoor omni-directional external antenna as close aspossible to the Base Station serving it (the Base Station must beinside). The recommended mounting height is 4 to 5 m aboveground level.• Always install a surge protector between an outdooromnidirectional antenna and a Base Station.Note: The connector on the outdoor omni-directional antenna isa TNC female connector, so you need an adapter toconnect it to the standard BNC co-axial cables needed forthe surge protector and the Base Station. You can also usea co-axial cable with a TNC male connector on one endand BNC male connector on the other end.! Fit lightning protection to the antenna if appropriate.See “Installing a lightning surge protector.”! Important points to remember:• Do not install the external antenna or the lightning surge protectorduring an electrical storm.• Always turn off the Base Station power before connecting the co-axial cable of an outdoor external antenna.• Always install the antenna at the cable entry point into thebuilding.• Connect the lightning surge protector to ground before connectingthe co-axial cable.
