ZTE Corporation BTSBI119 Manuale Utente

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11.1 Preparation for Installing the Antenna Feeder System ............................................................... 11-1 
11.2 Structure of the Antenna Feeder System .................................................................................... 11-1 
11.3 Installation Flow......................................................................................................................... 11-2 
11.4 Installing the Parts...................................................................................................................... 11-2 
11.4.1 Preparing the GPS Coaxial Cable Connectors ................................................................ 11-2 
11.4.2 Installing the Lightning Arrester ..................................................................................... 11-4 
12 Board Installation ...............................................................................................................................12-1 
12.1 BTSB Board Types.....................................................................................................................12-1 
12.2 RF Cabinet Boards .....................................................................................................................12-2 
12.2.1 Receiver Front End (RFE)...............................................................................................12-2 
12.2.2 Power Amplifier (PA)......................................................................................................12-3 
12.2.3 Transceiver (TRX) ..........................................................................................................12-4 
12.3 Cabinet Front Boards .................................................................................................................12-5 
12.3.1 Board Overview ..............................................................................................................12-5 
12.3.2 Installing and Replacing the Boards................................................................................12-6 
12.4 Interface Boards at the Back of the Baseband Cabinet ..............................................................12-7 
12.4.1 Interface Board Overview ...............................................................................................12-7 
12.4.2 Interface Board Diagram.................................................................................................12-9 
12.4.3 Interface Board Structure ..............................................................................................12-10 
12.4.4 Installing and Replacing the Interface Boards ..............................................................12-10 
12.5 Board Installation Sequence.....................................................................................................12-10 
13 Hardware Installation Check.............................................................................................................13-1 
13.1 Checking the Cabinet .................................................................................................................13-1 
13.2 Checking the Cable Racks .........................................................................................................13-2 
13.3 Checking Cable Laying, Binding and Identifying......................................................................13-2 
13.4 Checking the Power Cables and Grounding Cables...................................................................13-3