User Manual

RSP-APA-002
User’s Manual
R-tron., Inc. 17/34 page
4.4.4 Installing the feeder cable
4.4.4.1 General Condition
- Coaxial main power line should be handled carefully when you move it to another place
or keep it in the warehouse. Especially be careful for humidity and rainwater inflow.
- Cable should be installed as short as possible, be straight, not be curved, with tagged.
- Cables should be installed not twisted, not crossed and maintaining allowed
line of curvature.
4.4.4.2 Coaxial Main Power Line Installation
- About coaxial main power installation in the pole, 1/2” shield coaxial main power cable
can be used. As for big steel pole, you can use 7/8” .
- 1/2” shield coaxial main power line should be in flexible cable tube.
About 7/8” shield coaxial main power line can be installed without flexible cable tube.
- Shield outlet should be water-proof for connector connection.
- Flexible cable tube outlet should be directly connected with repeater main box and
antenna for rainwater inflow.
4.4.5 Grounding
-Three types of grounding are applied – system, arrester and steel tower grounding.
-The arrester and the fixing studs are installed on the bottom of the repeater.
-The steel tower grounding and arrester grounding should conform to the steel tower
manufacturer’s standards.
4.4.5.1 General Condition
- GV cable can be used ground line.
- Using C-Tap, distribution part should be closed and do not get into rainwater
to the distribution part.
- About cable installation, you can use cable rack. As for the wall, you can firmly fixed
the cable with saddle instead of cable rack, when there isn’t cable rack.
- Ground cable should be covered by PVC flexible pipe or flexible cable tube for protection.
4.4.5.2 System grounding