Figure 13 – Dimensions of the RBS flat unit 3CC12424AAAA TQ BJA 01 Issue 01 - April 2001 - Draft 04 41/302 76
3.3.2 Installation and orientation of the mechanical system 9900UXI102 VERTICALITY OF THE BEARING: ± 0.5 ° FOR THE POLE OR TUBE. Considerations – Installation can be carried out on an existing or newly installed tube or pole. – The external diameter of the tube or pole is 114 mm in standard configuration. – The mechanical assembly is supplied complete, mechanically assembled, with screw fastenings kit and ground terminals.
Grower washer Flat washer 6 5 4 3 Nut Brackets 1 2 Casting M6 x (7) screw Figure 15 – Installation of the pole mounting 9900UXI102 with RBS flat IMPORTANT: YOU MUST DEFINE THE POSITION OF THE EQUIPMENT RESPECT TO THE PIPE (RIGHT OR LEFT SIDE) BEFORE INSTALLING. Note: the coarse horizontal alignement is done during the installation of the pole mounting.
3.3.3 Installation rules for multi-RBS configurations 3.3.3.1 Main configuration (1+0) For installation configurations containing several RBSs, imperatively apply the following rules to ensure efficient radio transmissions: – Position the antenna to ensure best clearance; installation as near as possible to the corners of the building or pylon is therefore strongly recommended.
Multi-RBS configuration examples in the case of 4 RBS installation: Side view Top view Figure 17 – Example of multi-RBS configuration: 4 masts with 1 RBS per mast Side view Top view Figure 18 – Example of multi-RBS configuration: 2 masts with 2 RBS per mast (recommended) 3CC12424AAAA TQ BJA 01 Issue 01 - April 2001 - Draft 04 45/302 76
