Huawei Airbridge cBTS3612 Installation Manual page 37

Installation Manual
Airbridge cBTS3612 CDMA Base Station
5.4.2 Optical Fiber Labels....................................................................................... 5-11
5.4.3 Distributing Optical Fibers in Combined Cabinets............................................ 5-12
5.4.4 Distributing Optical Fibers for SoftSite Cascading ........................................... 5-12
5.5 Distributing Transmission Cables ............................................................................. 5-12
5.5.1 Connection and Distribution between E1 Trunk Cables and Cabinets .............. 5-12
5.5.2 DDF Installation............................................................................................. 5-13
5.6 Distributing Cables Connecting Environment Monitoring Instrument .......................... 5-17
6 Installing RF Antenna and Feeder System........................................................................ 6-1
6.1 General .................................................................................................................... 6-1
6.1.1 Structure ......................................................................................................... 6-1
6.1.2 Installation Procedures .................................................................................... 6-4
6.2 Installation Preparation .............................................................................................. 6-5
6.2.1 Inspecting Antenna & Feeder Equipment .......................................................... 6-5
6.2.2 Making Feeder Connectors .............................................................................. 6-6
6.2.3 Assembling Antennas ...................................................................................... 6-7
6.3 Installing Outdoor Grounding Bar............................................................................. 6-12
6.4 Installing Antenna Stand.......................................................................................... 6-13
6.4.1 On Tower Platform ........................................................................................ 6-13
6.4.2 On Roof ........................................................................................................ 6-16
6.5 Installing Antennas on Tower Platform ..................................................................... 6-22
6.5.1 Hoisting Antennas and Other Articles ............................................................. 6-22
6.5.2 Installing Omnidirectional Antennas................................................................ 6-23
6.5.3 Installing Directional Antennas ....................................................................... 6-27
6.6 Installing Antenna on Roof....................................................................................... 6-33
6.6.1 Carrying (hoisting) Antennas and Other Articles .............................................. 6-33
6.6.2 Installing Omnidirectional Antennas................................................................ 6-33
6.6.3 Installing Directional Antennas ....................................................................... 6-36
6.7 Installing Tower-top Amplifier ................................................................................... 6-40
6.7.1 General......................................................................................................... 6-40
6.7.2 Installing TTA ................................................................................................ 6-41
6.7.3 Connecting Jumpers between Antenna and TTA ............................................ 6-42
6.8 Installing Feeder Encapsulated Window ................................................................... 6-44
6.8.1 Structure ....................................................................................................... 6-44
6.8.2 Installing Encapsulated Window..................................................................... 6-45
6.9 Installing Feeders .................................................................................................... 6-46
6.9.1 Cutting Feeders and Attaching Temporary Labels........................................... 6-47
6.9.2 Hoisting and Fixing Feeders .......................................................................... 6-48
6.9.3 Connecting Jumpers between Antenna and Feeder ........................................ 6-49
6.9.4 Connecting Jumpers between TTA and Feeder (if TTA Available) ................... 6-51
6.9.5 Distributing and Fixing Feeders ...................................................................... 6-52
6.9.6 Feeder engineering labels ............................................................................. 6-56
6.9.7 Grounding Feeders ....................................................................................... 6-57
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Hardware Installation
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