ZXC10-BTSB I2(V1.
ZXC10-BTSB I2(V1.0) cdma2000 System Base Transceiver Station Installation Manual Manual Version Product Version 20050401-R1.0 V1.0 Copyright © 2005 ZTE Corporation All rights reserved. No part of this documentation may be excerpted, reproduced, translated, annotated or duplicated, in any form or by any means without the prior written permission of ZTE Corporation. * * * * ZTE CORPORATION ZTE Plaza, Keji Road South, Hi-Tech Industrial Park, Nanshan District, Shenzhen, P.R.China Website: http://www.
FAX: 0086-755-26770160 Suggestions and Feedback To improve the quality of ZTE product documentation and offer better services to our customers, we hope you can give us your suggestions and comments on our documentation and fax this form to +86-755-26770160; or mail to “Marketing center 3rd floor ZTE Plaza, Keji Road South, Hi-Tech Industrial Park, Nanshan District, Shenzhen, P. R. China”. Our postcode is 518057. Document name ZXC10-BTSB I2(V1.
FAX: 0086-755-26770160 Preface About This Manual This manual introduces the hardware installation flow and method of the ZXC10 BTSB I2. It is one of the manuals of the CDMA cellular mobile communication system of ZTE. This manual is intended to provide basic installation operation guide to the engineering staff that install the ZXC10 BTSB I2 of ZTE. Operation and maintenance staff of the equipment can also use it as reference.
Chapter 6 Installing the Grounding System describes the installation procedure of the BTSB grounding system. Chapter 7 Installing the Cabinet Internal Cables introduces the types of BTSB cabinet internal cables, and describes the installation procedure of them. Chapter 8 Installing the Trunk Cables describes the installation procedure of the BTSB trunk cables, and explains how to prepare the E1 cables and how to convert the 75 Ω trunk cables into the 120 Ω trunk cables.
symbol "-->" separates a multi-level menu, e.g., [File --> New --> Folder] indicates the [Folder] menu item under the [New] submenu of the menu [File]. 2. Keyboard operation conventions Format Character within Description angular brackets Indicating a key or button name, e.g., , , , and Indicating to hold several keys down at the same time. For example, indicates to hold down “Ctrl”, “Alt” and “A” three keys Press Key 1 first.
FCC & IC STATEMENT Before using this CDMA ZXC10 BTSB I219 and BTSB I208, read this important RF energy awareness and control information and operational instructions to ensure compliance with the FCC and IC RF exposure guidelines. NOTICE: Working with the equipment while in operation, may expose the technician to RF electromagnetic fields that exceed FCC rules for human exposure. Visit the FCC website at www.fcc.gov/oet/rfsafety to learn more about the effects of exposure to RF electromagnetic fields.
FAX: 0086-755-26770160 Contents 1 Overview of BTS Installation..................................................................................................................... i 1.1 Overview........................................................................................................................................1-1 1.2 Hardware Installation Flow............................................................................................................1-4 1.3 Precautions ...................
3.3.1 Carton ................................................................................................................................. 3-3 3.3.2 Unpacking........................................................................................................................... 3-4 3.3.3 Inspecting the Boards ......................................................................................................... 3-4 3.4 Goods Acceptance and Handover ..................................................
7.2 Installing the Cables for the Single-carrier BTS and the Two-Carrier BTS...................................7-3 7.2.1 Installing the RF Cables for a Single-carrier Single-sector BTS.........................................7-3 7.2.2 Installing the RF Cables for a Single-carrier Two-sector BTS............................................7-6 7.2.3 Installing the RF Cables for a Single-carrier Three-sector BTS .........................................7-9 7.2.
10.1.1 Preparations for Installation Staff ................................................................................... 10-2 10.1.2 Installation Environment Inspection ............................................................................... 10-2 10.1.3 Safety Measures Inspection ............................................................................................ 10-3 10.1.4 Preparation of Installation Tools ...............................................................................
12.1 Board Types and Functions of BTS ...........................................................................................12-1 12.2 Introduction to Main BTS Modules ...........................................................................................12-4 12.2.1 RFE Module....................................................................................................................12-4 12.2.2 HPA ...............................................................................................
14.1.1 Check of External Connections of the rack .................................................................... 14-1 14.1.2 Check of Rack Inside...................................................................................................... 14-1 14.2 Power-on Procedures ................................................................................................................. 14-2 14.3 Power-off Procedures ....................................................................................
FAX: 0086-755-26770160 List of Figures Fig. 1.1-1 Overall Structure of the BTSB I2 Rack with the BDS Plug-in Shelf ...............................1-2 Fig. 1.1-2 Schematic Diagram of the BTS Equipment Installation...................................................1-3 Fig. 1.2-1 Hardware Installation Flow ..............................................................................................1-5 Fig. 3.2-1 Structure of the Wooden Box...............................................................
Fig. 6.2-1 Profile of the Grounding Copper Bar............................................................................... 6-3 Fig. 6.2-2 Structure of the Grounding Clip....................................................................................... 6-4 Fig. 6.2-3 Wrapping the Grounding Wire of the Grounding Clip with Waterproof Tape ................. 6-5 Fig. 6.2-4 Installing the Lightning Arrester Frame ........................................................................... 6-7 Fig.
Fig. 7.4-3 120 Ω T1 Conversion Cable ...........................................................................................7-35 Fig. 7.4-4 BTS Rack-top Interface Board .......................................................................................7-35 Fig. 8.2-1 Assembly Drawing of the CC4Y-J32 Coaxial Cable Connector ......................................8-2 Fig. 8.2-2 Coaxial Connector of the DDF.........................................................................................
Fig. 11.2-1 Structure of the GPS Antenna Feeder System .............................................................. 11-2 Fig. 11.4-1 Stripping the GPS Coaxial Cable ................................................................................. 11-3 Fig. 11.4-2 Welding the Pins of the GPS Connector....................................................................... 11-3 Fig. 11.4-3 Structure of the N-J7A Cable Assembly.......................................................................
FAX: 0086-755-26770160 List of Tables Table 2.1-1 DC Power Indexes for the Normal Operation of BTS ...................................................2-3 Table 2.1-2 Power Consumption Indexes for the Normal Operation of BTS ...................................2-4 Table 2.2-1 Tools Needed..................................................................................................................2-7 Table 2.2-2 Instruments Needed....................................................................
FAX: 0086-755-26770160 1 Overview of BTS Installation Summary This part describes: ● Hardware installation flow of the BTS system; ● Installation precautions of the BTS system. 1.1 Overview The integrated rack of ZXC10-BTSB comprises five layers each with an insertion box. From top down, they are the RFE, HPA, power, TRX layer and BDS layers, as shown in Fig. 1.1-1.
ZXC10-BTS (V5.4) Installation Manual 1. RFE plug-in shelf base 5. Fan plug-in shelf 2. HPA plug-in shelf 6. BDS plug-in shelf 3. PSMD/PSMC plug-in shelf 7. Dust filtering plug-in shelf 4. TRX plug-in shelf 8. Base Fig. 1.
Chapter Error! Style not defined. Err or! Style not defined. 1. The installation of the BTS cabinet, including the rack installation, the internal cable installation, and the board installation and the DIP switch setting; 2. The installation of the power system to provide -48V operating power for the system; 3. The installation of the grounding system to provide the protection ground for the parts of the BTS equipment; 4.
ZXC10-BTS (V5.4) Installation Manual 1.2 Hardware Installation Flow The normal operation of the ZXC10-BTSB I2 equipment is closely related to the quality of the installation engineering. The equipment must be installed in a systematic and standardized way, which helps to remove the equipment stability problems caused by improper installation and improve the reliability of the system. This manual focuses on the step-by-step installation method and procedure of the BTS and its parts.
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ZXC10-BTS (V5.4) Installation Manual 1.3 Precautions Precautions for the BTS hardware installation: 1. Take careful precautions for the safety of yourself and the equipment during the installation; 2. Avoid hot plugging/unplugging during module installation; 3. Never install the antenna feeder system in case of lightning; 4. Check whether the lightning arrester is in proper contact before the thunderstorm season every year. In case any lightning arrester is damaged, replace it immediately; 5.
FAX: 0086-755-26770160 2 Installation Preparation Summary This part describes: ● Environment check prior to the BTS installation; ● Tool and instrument preparation prior to the BTS installation; ● Technical document preparation prior to the BTS installation. 2.1 Installation Environment Inspection Conduct the environment inspection prior to the installation.
ZXC10-BTS (V5.4) Installation Manual no less than 3 meters. The equipment room should have a sufficient area for the equipment with extra free space. For ease of operation and maintenance of the equipment, the space gap for opening the front door should be no less than 1 meter, and the space gap at the rack rear should be no less than 0.8 meter. 3. The equipment room floor can bear the weight over 450kg/m2; 4.
Chapter Error! Style not defined. Error! Style not defined. ● There should be no explosive, conductive, magnetic or corrosive dust in the equipment room. ● The dust (diameter more than 5µm) density should be no more than 3×104 granules/m3. ● No corrosive metal or gas that is harmful to insulations, such as SO2, NH3. in the equipment rooms. ● The equipment room should be always kept clean, with the doors and windows properly sealed. 4.
ZXC10-BTS (V5.4) Installation Manual Table 2.
Chapter Error! Style not defined. Error! Style not defined. cables in the equipment room should be routed in a radiating or flat way. Three independent grounding cables should be used. The protection ground of the DC power distribution system, the work ground of the power system and the lightning protection ground. The grounding resistance of the BTS should be less than 5Ω. The engineering requires the grounding resistance to be the smallest possible.
ZXC10-BTS (V5.4) Installation Manual 3. Check the height, weight bearing and grounding of the indoor cabling rack against the engineering design. 4. Check the height, diameter, weight bearing, wind resistance, grounding, lightning protection and position of the antenna embracing pole of the BTS on the roof. Make sure they comply with the BTS equipment requirements and the engineering design drawing. 5.
Chapter Error! Style not defined. Error! Style not defined. 2.2 Preparation of Tools and Instruments A number of tools and instruments are to be used during the BTS installation process. Prepare the tools and instruments as per Table 2.2-1 and Table 2.2-2. Table 2.
ZXC10-BTS (V5.4) Installation Manual Category Name One hacksaw (with several saw blades) One pair of sharp-nose pliers (8”) One pair of diagonal pliers (8”) One pair of slip joint pliers (8") One pair of vices (8”) One needle file set (medium sized) Small tools Tweezers One paintbrush One pair of scissors One hot blower One solder sucker One pair of hydraulic pliers Crowbar Pulley block Auxiliary tools Rope Ladder Forklift Table 2.
Chapter Error! Style not defined. Error! Style not defined. conduct the survey in time, he should entrust the equipment user to fill in the report and mail it back after the survey for the preparation of engineering materials. The BTS System Project Design and Engineering Drawing should be completed by the design party entrusted by the equipment user, and its copy should be provided by the equipment user to the equipment supplier before equipment delivery.
FAX: 0086-755-26770160 3 Unpacking Inspection Summary This part describes: ● Unpacking of the BTS equipment; ● Inspection of the BTS equipment. 3.1 Checking the Goods against the Packing List 1. Check the Delivery Checklist of ZTE Corporation. 2. Unpacking inspection is conducted by the Project Supervising Committee and representatives from the user.
ZXC10-BTS (V5.4) Installation Manual 3.2 Unpacking the Wooden Box 3.2.1 Wooden Box Structure The wooden boxes are generally used for packing heavy goods like rack. The structure of the BTS rack packing box is as shown in Fig. 3.2-1. 860mm ZXC10-BT S cabinet Net weight Gross weight Size Company : ZTE CORPORATION 2060mm 86 m 0m Fig. 3.2-1 Structure of the Wooden Box 3.2.2 Unpacking 1. Prepare tools such as nail hammer, pliers, flathead screwdrivers, and crowbar; 2.
Chapter Error! Style not define d. Error! Style not defined. 3.2.3 Inspecting the Rack Outside View Put the rack vertically on the solid ground. The rack should be erected upright without tilting. Visually there is no dent, bump, scratches, peel, bubbling, stains or other similar damaged signs. The captive screws should not be loose, missing or misplaced. The installation slots for plug-in shelves are intact and the slot guide rails are not missing, damaged or broken.
ZXC10-BTS (V5.4) Installation Manual ZXC10-BT S Cabinet Component Net weight : Gross weight : Size : Company: ZT E CORPORAT ION Fig. 3.3-1 Packing Box of the Module 3.3.2 Unpacking Take the following steps to unpack a carton: 1. Use the diagonal pliers to cut the straps. 2. Use a paper knife to cut the adhesive tape along the slits on the box covers. Note that the cut should not be too deep and damage the goods inside. 3.
FAX: 0086-755-26770160 4 Installing the Cabinets Summary This part describes: ● External structure of the BTS cabinet; ● Installation procedure of a single BTS cabinet; ● Arrangement of the BTS cabinets; ● Connection and fixation between BTS cabinets; ● Standard of installing the BTS cabinets. 4.1 External Structure of the BTS Cabinet At present there is only one type of BTS cabinet: Welded cabinet. The BTS rack has a fully-closed shielded structure, as shown in Fig. 4.1-1.
ZXC10-BTS (V5.4) Installation Manual Front door Base Fig. 4.1-1 Outside View and Dimensions of the Rack 4.2 Cabinet Layout The principles of rack layout should be observed in designing the rack installation positions, since the installation of the ZXC10-BTSB I2 rack needs to satisfy the heat dissipation and maintenance space requirements. Fig. 4.2-1 shows how to arrange the equipment inside the equipment room. 1.
Chapter Error! Style not defined. Error! Style not defined. 4000 31.4961 CDMA BTS 23.622 Storage battery pack DC Transmission equipment AC 4000 27.5591 27.5591 Air conditioner 23.622 Feeder hole location Fig. 4.2-1 Layout of Equipment inside the ZXC10-BTSB I2 Equipment Room 4.3 Installing a Single BTS Cabinet 4.3.1 Installation Flow of a Single Cabinet The base installation mode is adopted for the BTS cabinet, that is, the cabinet is installed on the adjustable base provided by ZTE.
ZXC10-BTS (V5.4) Installation Manual 3. Drill holes and fix the expansion bolts. 4. Fix the cabinet. 5. Check the cabinet installation. 6. Install the bottom baffles of the cabinet. 4.3.2 Installation Procedure of a Single Cabinet Below is the procedure of installing a single cabinet on the base. 4.3.2.1 Base Structure Assemble the rack base: 1. Dimensions of the base Each base is provided with two supports and four baffle plates. Its dimensions are: 700mm (W) × 600mm (D) × 100mm (H). 2. Fig. 4.
Chapter Error! Style not defined. Error! Style not defined. 1. Remove the four legs at the bottom of the rack and add a washer to the inner side of the bolt and nut of each leg, screw the legs back in position and adjust the leg height of the rack to about 50mm evenly. 2. Lean the rack slight towards one side, insert one support of the base into the gap between two washers on the legs of the rack, screw tight the two nuts of the legs and then fix the support at one side of the base with the rack. 3.
ZXC10-BTS (V5.4) Installation Manual Floor area of the rack 4xM12 anchor bolts Fig. 4.3-3 Installation Holes of the BTS Rack Drill holes by taking the following steps: 1. Before drilling, use a sample drill bit to drill a hole at the hole position to help position the right drill bit. If you use the M12 expansion bolt, you should use the Φ14 percussion drill bit. 2. The hole depth is the tube length of the expansion bolt plus the length of the bit.
Chapter Error! Style not defined. Error! Style not defined. M12 anchor bolt Fig. 4.3-4 Fixing the Rack 4.3.2.5 Rack Installation Check The rack installation check covers the following aspects: 1. Levelness: Since the floor may be uneven, it is necessary to check the levelness of the rack after installation. Put the level bar on the level section of the rack front and side to see if the level vial is centered. If not, it shows the rack is not installed horizontally.
ZXC10-BTS (V5.4) Installation Manual 4.3.2.6 Installing the Baffle Plate at the Rack Bottom After the rack is installed, fix the baffle plates on the four sides of the rack bottom. When installing the baffle plates, install the plates on both sides first and then the plates on the front and the rear, as shown in Fig. 4.3-5. Rear baffle Front baffle Side plate M5x16 combination screw Fig. 4.3-5 Installing the Rack Baffle Plates 4.3.2.
Chapter Error! Style not defined. Error! Style not defined. Fig. 4.4-1 Enlarged View of the Cable Hole Cover Plate Next, connect and fix the two cabinets with the connecting bars on the set top, as shown in Fig. 4.4-2. Fig. 4.4-2 Assembling the Connecting Bars on the Cabinet Top When two cabinets are required but they are not to be closely placed to each other, use the upper cabling mode. For the detailed installation method, please refer to the assembly diagram of multiple cabinets shown in Fig. 4.
ZXC10-BTS (V5.4) Installation Manual Fig. 4.4-3 Effect Diagram of Two Cabinets Installed 4.5 Cabinet Installation Requirements The installation of the ZXC10-BTSB I2 rack should satisfy the requirements for equipment heat dissipation and maintenance space. Therefore, the rack installation position design should meet the rack layout requirements. The cabinet installation criteria are as follows: 1. The layout of the cabinets should take into consideration the direction from the feeder to the BTS.
Chapter Error! Style not defined. Error! Style not defined. cabinet internal cabling. Two angle supports should be used on the set top to connect the two cabinets firmly. 6. When the system is expanded to three carriers and four carriers, two cabinets are required. If they are not placed close to each other, the upward cabling mode should be adopted. The specific cabling should comply with the installation engineering standards.
FAX: 0086-755-26770160 5 Power Supply System Installation Summary: z Power cables of BTSB z Installation method of the BTSB power supply z Installation procedure of the BTSB power supply 5.1 Introduction to Power Cables The DC power supply cables consist of the -48V cable (black), grounding cable (blue) and protection grounding cable (yellow green). The connector of the BDS power cable on BTSB is shown in Fig. 5.1-1. Fig. 5.
ZXC10-BTS (V5.4) Installation Manual 2. Blue with the cross section area as 25 mm2 in section area (-48V). 3. Yellow green with the cross section area as 35 mm2 (protection grounding cable). 5.2 Installation Flow of Power Cables The power cable installation flow is shown in Fig. 5.2-1. Power cabling in the cabinet Power cable leading from the distribution frame Connecting to the filter on the cabinet Fig. 5.2-1 Installation Flow of RFS Power 5.
Chapter Error! Style not defined. Error! Style not defined. Fig. 5.3-1 RFS Power Cabling Fig. 5.3-2 BDS Power Cabling The connection between the busbar and backplane through the -48V power cable is shown in Fig. 5.3-3.
ZXC10-BTS (V5.4) Installation Manual Blue Locating key 1 4 2 5 3 6 - 48V Yellow GNDP Black GND Black 6-core power connector for backplane - 48VGND Lug for busbar Fig. 5.3-3 Connection between Busbar and Backplane End B of the power cable on the busbar usually has been connected before delivery. If the backplane of the plug-in box has been installed, the End A of the cable has been connected to the backplane.
Chapter Error! Style not defined. Error! Style not defined. Connect one end of the -48V grounding cable (black, 16 mm2) to the GND wiring terminal on the filter of the cabinet, and the other end to the GND busbar of the DC distribution cabinet. Connect the Protection Earth wire (PE) (yellow green, 25 mm2): one end is connected to the PE wiring terminal on the P power supply of the cabinet, and the other end to the PE busbar of the DC distribution cabinet. 3.
ZXC10-BTS (V5.4) Installation Manual 45º or 50º bending connection Back-to-back connection Cross connection 1－Copper bar 2－Plain washer 3－Nut 4－Bolt 5－Cable 6－Spring washer Fig. 5.
FAX: 0086-755-26770160 6 Installing the Grounding System Summary This part describes: ● Installation method of the BTS grounding system; ● Installation procedure of the BTS grounding system. 6.1 Overview of the BTS Grounding System The purpose of grounding is to ensure the safety of human body and equipment and to improve the capability of the equipment to resist electromagnetic interference. The grounding system consists of indoor part, outdoor part and underground ground grid of the building.
ZXC10-BTS (V5.4) Installation Manual installation of the grounding copper bar, the feeder grounding clip and the lightning arrester. Iron tower platform Feeder grounding clip Grounding cable 35mm 2 Feeder T S Indoor grounding bar Other equipment Outdoor grounding bar DC power frame Lightning arrester frame B Grounding cable of the Lighting arrester frame U Protection ground of any equipment (including cabling racks) inside the equipment room shall be connected to the indoor grounding bar.
Chapter Error! Style not defined. Error! Style not defined. under the feeder window or on the rainproof wall of the feeder well on the roof top. In principle, it is better to put it close to the feeder window. During the practical installation, first determine the installation position of the grounding copper bar by following the engineering design drawing, and then install the grounding copper bar on the wall with the expansion bolts. See Fig. 6.2-1 for the structure of the grounding copper bar. Fig. 6.
ZXC10-BTS (V5.4) Installation Manual 2. The antenna feeder system, antenna support and new cabling rack installed on the roof top should be welded to the lightning protection grid of the building. The feeder should also be grounded at three positions: where it leaves the antenna embracing pole, where it leaves the roof top, and where it enters the equipment room. 3.
Chapter Error! Style not defined. Error! Style not defined. In the case the antenna feeder system is installed on the roof top, the grounding wire of the grounding clip should be led close to the building lightning protection grid. 4. Before installing the grounding clip, wrap the grounding wire at the grounding clip end that is close to the grounding wire copper sheet with the waterproof adhesive tape, as shown in Fig. 6.2-3.
ZXC10-BTS (V5.4) Installation Manual 6.2.3 Installing the Indoor Lightning Arrester For the wide-band lightning arrester that need not be grounded separately, you may directly connect it in serial to the place between the main feeder and the indoor set top jumper. During the installation, the lightning arrester and indoor equipment as the cabling rack should be insulated. For the lightning arrester that need be grounded, a lightning arrester frame should be provided.
Chapter Error! Style not defined. Error! Style not defined. Fixing plate of the lighting arrester Feeder window Wall Antenna feeder lightning arrester Lightning arrester frame Jumper Antenna feeder GPS feeder Grounding cable of the lightning arrester frame (to connect the outdoor grounding bar) GPS Lightning arrester Insulation sleeve Jumper Fig. 6.
FAX: 0086-755-26770160 7 Installing the Cabinet Internal Cables Summary This part describes: ● Configuration types of BTS and precautions of the installation of the front panel RF cables; ● Cable installation in BTS single-carrier and two-carrier configurations; ● Cable installation in BTS three-carrier above configurations. 7.1 Overview of the Internal Cable Installation 7.1.1 Configuration Types of BTS A macro BTS can be configured in various ways, e.g.
ZXC10-BTS (V5.4) Installation Manual connect them to the RF interfaces on the front panel. However, re-cabling is required for a base station to be expanded in capacity. Note that the RF cables are attached with labels at both ends. The details are as follows: 1. The upper end (DIN connector) of the 1/2'' feeder from the RF front end to the rack top has been installed to the rack top before factory delivery, so the onsite installation only involves its lower end.
Chapter Error! Style not defined. Error! Style not defined. with the route requirements as regulated in the cabling diagram, and then connect them one by one as instructed by their labels. 4. A load of 50Ω should be matched to each port that does not connect any RF cable. 5. The cabling should be neat and in order, and no cable should be damaged during the bundling or cutting of their cable ties. 7.2 Installing the Cables for the Single-carrier BTS and the Two-Carrier BTS 7.2.
ZXC10-BTS (V5.4) Installation Manual Fig. 7.2-1 RF Cable Connection on the Front Panel of the Rack for the Single-carrier Single-sector BTS 2. Cabling of the front panel Fig. 7.2-2 shows the wiring of the front panel for the rack of the single-carrier single-sector BTS.
Chapter Error! Style not defined. Error! Style not defined. 9/B 1/ B 2/ B 2/A 1/ A 4/ A 3/ A 5/ A 6/ A 7/ A 3/ B 5/ B 9/A 4/ B 8/A 6/ B 7/B 8/ B 10/ A Connected to the 接前门板 bolt of grounding 接地螺柱 the front door 接 前门 板接 地螺 柱 Fig. 7.
ZXC10-BTS (V5.4) Installation Manual 3. The wiring of the front panel is further described in Table 7.2-1. Table 7.2-1 Front Panel Wiring of the Rack for the Single-carrier Single-sector BTS No.
Chapter Error! Style not defined. Error! Style not defined. A-ANT B-ANT A-ANT-DIV B-ANT-DIV RFE-DUP RFE-DIV RFE-DUP ANT ANT ANT ANT TEST TEST TEST TEST HPA HPA RX1 RX1 RX1 RX1 RX2 RX2 RX2 RX2 RX3 RX3 RX3 RX3 RX4 RX4 RX4 RX4 HPA HPA RFOUT RFOUT RFIN RFIN TX RFE-DIV TRX TRX RX1 RX1 TX RX2 RX2 Fig. 7.2-3 RF Cable Connection on the Front Panel of the Rack for the Single-carrier Two-sector BTS 2. Cabling of the front panel Fig. 7.
ZXC10-BTS (V5.4) Installation Manual 17 / B 1/ B 2/B 3/B 4/ B 2/ A 1/ A 4/A 3/A 6/A 5/A 8/ A 7/ A 9/A 10 / A 1 1/ A 1 2/ A 1 3/ A 14 / A 5/ B 9/B 1 5/ A 1 6/ A 1 1/ B 13 / B 1 2/ B 1 4/ B 15 / B 1 7/ A 6/B 7/B 8/ B 10 / B 1 6/ B 1 8/ A Connected to the 接前门板 grounding of 接 前 门 板 接 地 螺bolt 柱 接地螺柱 the front door Fig. 7.2-4 Front Panel Wiring for the Rack of the Single-carrier Two-sector BTS with the BDS Plug-in Shelf 3.
Chapter Error! Style not defined. Error! Style not defined. Table 7.2-2 Front Panel Wiring of the Rack for the Single-carrier Two-sector BTS No.
ZXC10-BTS (V5.4) Installation Manual Fig. 7.2-5 shows the circuitry on the front panel of the rack for the single-carrier three-sector BTS.
Chapter Error! Style not defined. Error! Style not defined. 25 / B 1/B 3/ B 2/B 5/ B 4/B 2/A 3/ A 5/A 8/ A 1 0/ A 7/ A 9/ A 13 / A 14 / A 17 / A 1 8/ A 1 4/ B 15/B 12/A 11 / A 15 / A 19 / A 7/ B 13/B 6/ A 4/ A 1/ A 16/A 6/ B 20 / A 21 / A 25/A 8/B 9/B 10/B 11/B 12 / B 2 2/ A 2 3/ A 2 4/ A 1 6/ B 18 / B 2 0/ B 1 7/ B 1 9/ B 21 / B 22 / B 2 3/ B 24/B 2 6/ A Connected to the grounding bolt 接 前门 板 接地 螺 of 柱 the front door Fig. 7.
ZXC10-BTS (V5.4) Installation Manual 25/ B 1/ B 3/ B 2/ B 2/ A 4/ A 3/ A 1/ A 10/ A 8/ A 7/ A 5/ B 4/ B 9/ A 13/ A 14/ A 16/ A 13/ B 17/ A 14/ B 18/ A 15/ B 6/ A 5/ A 12/ A 11/ A 15/ A 19/ A 7/ B 8/ B 9/ B 10/ B 11/ B 6/ B 20/ A 21/ A 25/ A 12/ B 22/ A 16/ B 23/ A 17/ B 18/ B 19/ B 22/ B 23/ B 24/ A 20/ B 21/ B 24/ B 26/ A Connected to the grounding 接前门板接地螺柱 bolt of the front door Fig. 7.
Chapter Error! Style not defined. Error! Style not defined. 3. The wiring of the front panel is further described in Table 7.2-3. Table 7.2-3 Front Panel Wiring of the Rack for the Single-carrier Three-sector BTS No.
ZXC10-BTS (V5.4) Installation Manual 7.2.4 Installing the RF Cables for a Two-carrier Three-sector BTS 1. Connecting the RF cables Fig. 7.2-8 shows the circuitry on the front panel of the rack for the two-carrier three-sector BTS.
Chapter Error! Style not defined. Error! Style not defined. Fig. 7.2-9 shows the wiring of the front panel for the rack of the two-carrier three-sector BTS.
ZXC10-BTS (V5.4) Installation Manual 3. The wiring of the front panel is further described in Table 7.2-4. Table 7.2-4 Front Panel Wiring of the Rack for the Two-carrier Three-sector BTS No.
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ZXC10-BTS (V5.4) Installation Manual three-sector configuration, while the front panel cabling can be either for three-carrier three-sector configuration or four-carrier three-sector configuration. 7.3.1 Installing the RF Cables for a Three-carrier Three-sector BTS 1. Connecting the RF cables Fig. 7.3-1 shows the circuitry on the front panel of the rack for the three-carrier three-sector BTS.
f1 f1 7-19 Fig. 7.3-1 Circuitry on the Front Panel of the Rack for the Three-carrier Three-sector BTS TX TX RX2 RX1 TRX Basic cabinet (No.
ZXC10-BTS (V5.4) Installation Manual 2. Cabling of the front panel Fig. 7.3-2 shows the wiring of the front panel for the rack of the three-carrier three-sector BTS. Wiring of the No. 1 three-carrier BT S Fig. 7.3-2 Front Panel Wiring for the Rack of the Three-carrier Three-sector BTS 3. The wiring of the front panel is further described in Table 7.3-1. Table 7.
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ZXC10-BTS (V5.4) Installation Manual No.
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f1 f1 7-24 RX1 RX2 RX1 RX2 TX RX2 RX1 TRX TX RX2 RX1 TRX A f2 RFI N C RFOUT HPA A f2 HPA2 RFI N HPA HPA1 RFE-COM COM RFOUT HPA C RX1 RX2 RX3 RX4 TEST ANT RFE-COM-DUP f 1:B- ANT Basic cabinet (No.
Chapter Error! Style not defined. Error! Style not defined. 2. Cabling of the front panel Fig. 7.3-4 shows the wiring of the front panel for the rack of the four-carrier three-sector BTS.
ZXC10-BTS (V5.4) Installation Manual Table 7.3-2 Wiring List of the Front Panel for the 1# Four-carrier BTS Cabinet No.
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ZXC10-BTS (V5.4) Installation Manual No.
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ZXC10-BTS (V5.4) Installation Manual Fig. 7.3-5 Structure of the LINK Cable Table 7.3-4 IDs of the LINK Directions Cable Name and Code To End A LINK cable 1#BTS-BBDS4-X70(CLK_MBTS) LINK cable 2#BTS-BBDS4-X70(CLK_SBTS) To End B 1#BTS rack top-MBDS_SBDS 2#BTS rack top-MBDS_SBDS The LINK cables distribute the IP extension cascade clock and control signals (one for MBTS output and one for SBTS input) to rack top for cabinet combination purpose.
Chapter Error! Style not defined. Error! Style not defined. 7.4 T1 Cabke 7.4.1 Functions Abis interface adopts T1 cable as the 100Ω coaxial cable and connects the T1 interface of board DSM to set top. The characteristic resistance of T1 cable is consistent with the input and output resistance of the line transceiver set by the transceiver of board T1. 7.4.
ZXC10-BTS (V5.4) Installation Manual Serial No.
Chapter Error! Style not defined. Error! Style not defined. Fig. 7.4-1 Terminals of the 100Ω Cable Table 7.
ZXC10-BTS (V5.4) Installation Manual Cable Name End A Direction End B Direction B3: EXT-IP_T1_1-IN1 B4: EXT-IP_T1_1-OUT1 B5: EXT-IP_T1_2-IN2 B6: EXT-IP_T1_2-OUT2 B7: EXT-IP_T1_3-IN3 B8: EXT-IP_T1_3-OUT3 B9: EXT-IP_T1_4-IN4 B10: EXT-IP_T1_4-OUT4 B11: EXT-IP_T1_5-IN5 B12: EXT-IP_T1_5-OUT5 B13: EXT-IP_T1_6-IN6 B14: EXT-IP_T1_6-OUT6 B15: EXT-IP_T1_7-IN7 B16: EXT-IP_T1_7-OUT7 Fig. 7.
Chapter Error! Style not defined. Error! Style not defined. Fig. 7.4-3 120 Ω T1 Conversion Cable Table 7.
FAX: 0086-755-26770160 8 Installing the Trunk Cables Summary This part describes: ● Installation method of the BTS trunk cables; ● Preparation procedure of the T1 cables. 8.1 Installing the Trunk Cables The two T1 cable interfaces (marked T1-IN-1 and T1-OUT-1, terminals 13 and 14, on the BTS rack top are the active interfaces. The other T1 interfaces are standby interfaces or are used for the daisy chain connection of the BTS.
ZXC10-BTS (V5.4) Installation Manual Part 1 Part 2 Part 3 a) Shielded Heat shrinkable tube Part 1 Part 2 layer 6 Core wire Leg b) 7 3 c) d) Fig. 8.2-1 Assembly Drawing of the CC4Y-J32 Coaxial Cable Connector 1) The plug parts of the CC4Y-J32 RF coaxial connector, as shown in a) of Fig. 8.2-1. 2) As shown in b) of Fig. 8.2-1, slip parts 1 and 2 around the cable, peel one end of the cable, tin the core wire, and then open the shielding layer forth to help inserting the plug crimping position.
Chapter Error! Style not defined. Error! Style not defined. Y-shaped connector with test probes Cable connector Socket Cable connector Socket Fig. 8.2-2 Coaxial Connector of the DDF Take the following steps to make the connector: 1) Peel the outer jacket of the cable for about 14mm, as shown in a} of Fig. 8.2-3. 2) Slip in sequence the cable connector sheath, the heat-shrink tube and the crimping tube. Open the shielding net forth with a net opening sleeve (or do it manually).
ZXC10-BTS (V5.4) Installation Manual 14 Heat shrinkable Cable connector cap tube Crimping tube 3 6 Crimping pliers Fig. 8.2-3 Assembly Drawing of the Coaxial Cable Connector of DDF 3. Trunk cable test The internal conductor of the connectors at both ends should be reliably welded to the internal conductor of the coaxial cable without any dry joint. The internal conductors of the connectors at both ends have good continuity, and the external conductors have good continuity.
Chapter Error! Style not defined. Error! Style not defined. 9 Installing the Monitoring System Summary This part describes: ● Composition of the monitoring system; ● Installation of the monitoring system. 9.1 Composition of the Monitoring System The monitoring system consists of the smog sensor and the temperature/humidity sensor. 9.2 Installing the Monitoring System 9.2.1 Installing the Indoor Smog Sensor The smog sensor should be installed on the ceiling as close to the rack as possible.
ZXC10-BTS (V5.4) Installation Manual (a) Label Pinouts of 25-pin male connector Label Green 30 10m End B End A Upper part of the smoke sensor Lower part of the smoke sensor B B (b) Green wire 1 ( c) Red Red wire 4 3 2 B-B Fig. 9.2-1 Installing the Smog Sensor Base Table 9.2-1 Terminal Connection of the Smog Sensor Cable Connector Signal 25-pin Male Connector at End A Cable Color Smog Sensor Base at End B +12V 10 Red 3(+) -12V 11 Green 1(-) 9.2.
Chapter Error! Style not defined. Error! Style not defined. End A 6 End B 1 Label ( a) 9 1 6 5 9 Label 5 Pinouts of the DB9 male connector at End A Pinouts of the DB9 male connector at End B L=10 m ( b) Fig. 9.2-2 Installing the Temperature/Humidity Sensor Table 9.
FAX: 0086-755-26770160 10 Installing the Main Antenna Feeder System Summary This part describes: ● Installation preparation for the BTS main antenna feeder system; ● Structure of the BTS main antenna feeder system; ● Installation content and flow of the BTS main antenna feeder system; ● Installation procedure of the parts of the BTS main antenna feeder system; ● Installation check and test of the antenna feeder system; ● Waterproof treatment of the connectors. 10.
ZXC10-BTS (V5.4) Installation Manual The installation method and procedure differs. In the precondition of quality, the Installation Supervisor should install the antenna as per the actual situation flexibly and reasonably by following the BTS engineering design documents and the installation instructions of the special antenna provided by the manufacturer.
Chapter Error! Style not defined. Error! Style not de fined. As to the installation of the antenna support, the equipment supplier puts forward requirements for the antenna structure and dimensions, while the network operator completes the installation as parts of the equipment room accordingly.
ZXC10-BTS (V5.4) Installation Manual 4. Special tools: Main feeder cutter, special tools for preparing main feeder connectors; 5. General-purpose tools: Adjustable wrench, sharp-nose pliers, diagonal pliers, electrical knife, file, hacksaw; 6. Safety protection tools: Safety belt (used by engineering staff who step out of the platform on the tower), safety helmet, safety rope, thick uniform, RF-proof clothing, canvas tool bag, gloves, multi-purpose power socket; 7.
Chapter Error! Style not defined. Error! Style not de fined. Lightning arrester Antenna (6 sets; directional) Jumper (1/2''; 6 PCS) Lightning protection grounding clip Main feeder (7/8''; 6 PCS) Equipment room Lightning protection grounding clip Lightning protection grounding clip Lightning arrester Cabling rack Jumper (1/2''; 6 PCS) Iron tower BTS cabinet Fig. 10.2-1 Typical Structure of the Antenna Feeder System of Three-sector BTS 10.
ZXC10-BTS (V5.4) Installation Manual Caution: 1. Take careful precautions for the safety of yourself and the equipment during the whole antenna installation process; 2. When adjusting the antenna that is already working, take certain measures (for example, wear radiation-shielding clothing), and turn off the high power amplifier to avoid the direct radiation of the antenna to human body. 10.3.1 Technical Parameters for Antenna Installation 1. Antenna height It is determined by network planning. 2.
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ZXC10-BTS (V5.4) Installation Manual coverage requirement of the local BTS, antenna diversity requirement, antenna azimuth and pitch angle. And design modification solution should be made then after consultation with the user representative and the design institution, lest the network coverage after the installation be affected. 10.4.2 Handling and Hoisting the Antenna Caution: Personnel both on and under the tower should coordinate to hoist the antenna.
Chapter Error! Style not defined. Error! Style not de fined. Pulley block Tie the pull-up rope at the upper and lower ends of the antenna Pull the antenna away from the iron tower with this rope to avoid antenna damage Pull-up rope Fig. 10.4-1 Hoisting an Antenna 10.4.3 Installing and Adjusting the Directional Antenna Note: The installation methods of antennas of different models vary from one manufacturer to another.
ZXC10-BTS (V5.4) Installation Manual the product for descriptions of other fasteners for the antenna of other manufacturers or of Kathrein. Usually the antenna fixing accessories and the angle adjustment device accessories have been installed on the antenna under the tower. 2.
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ZXC10-BTS (V5.4) Installation Manual Fig. 10.4-3 Adjusting the Pitch Angle of the Antenna 10.4.4 Installing and Adjusting the Omni Antenna Take the following steps to install the omni antenna: 1. Put the jacket at the antenna lower part close to the support backbone. The top of the jacket should be flush with or slightly higher than the support top; 2. Fix the jacket at the antenna lower part and the support backbone at two points with antenna fixing clips.
Chapter Error! Style not defined. Error! Style not de fined. 2. Perform waterproof treatment to the joint (See section 10.6 "Waterproof Treatment on Joint" for details): 1) Wrap starting from the root of the antenna joint with waterproof adhesive tape in the same direction as the fastening direction of the antenna jumper; 2) Stretch the waterproof adhesive tape to double its length, and apply it layer by layer till it covers about 5cm of the bottom of the feeder joint.
ZXC10-BTS (V5.4) Installation Manual 3. Drill holes for the expansion bolts using a percussion drill and fix the main board of the feeder window with expansion bolts; 4. The sealing gasket and sealing tube of the feeder window can be installed when the main feeder is introduced into the room. See section 10.4.7.6 "Introducing the Main Feeder into the Equipment Room"; 5.
Chapter Error! Style not defined. Error! Style not de fined. 2. Hoisting and cutting the feeder, and labeling the feeder; 3. Making the feeder connector; 4. Distributing and fixing the feeder; 5. Installing the outdoor jumper and conducting waterproof treatment on the joint. The overall structure of a BTS feeder is as shown in Fig. 10.4-5. Antenna jumper Label Outdoor part Feeder Lightning arrester Label Cabinet-top jumper Indoor part Fig. 10.4-5 Structure of a BTS Feeder 10.4.7.
ZXC10-BTS (V5.4) Installation Manual 10.4.7.2 Preparing the Main Feeder Connectors Caution: The preparation of the feeder connector is the most important part in the antenna feeder installation engineering. The quality of the job directly affects the equipment operation and the network quality. Since the cutting tool used is sharp, use it correctly to avoid body injury. This section takes the Rosenberger 7/8" feeder connector as an example to describe the preparation process.
Chapter Error! Style not defined. Error! Style not de fined. 4. Turn the cutter in the direction as marked on the cutter till the handles are completely closed and cut the internal and external copper conductors of the feeder completely. At the same time, the auxiliary blade of the cutter cuts the external plastic protection sheath of the feeder, as shown in Fig. 10.4-7. Fig. 10.4-7 Cutting the Feeder with a Cutter 5. Check the cutting length of the feeder, as shown in Fig. 10.4-8.
ZXC10-BTS (V5.4) Installation Manual 8. Check whether there is residual copper scraps. The external copper sheath should be evenly expanded without burrs. Pull the back part of the feeder connector outward while keeping it from slipping away from the feeder. If it does separate from the feeder, make it again. 9. Connect the front part and the back part of the feeder connector, as shown in Fig. 10.4-10. Fig. 10.4-10 Connecting the Front Part and the Back Part of the Feeder Connector 10.
Chapter Error! Style not defined. Error! Style not de fined. 10.4.7.3 Cutting the Feeders Caution: When cutting the main feeder, label it at both ends. Temporary label can also be attached to the middle of the feeder. All the labels must be consistent. Otherwise, the feeder may not be correctly connected and the sectors may not correspond to the feeder. This is crucial! Usually the feeder is rolled over to the installation site.
ZXC10-BTS (V5.4) Installation Manual 10.4.7.4 Hoisting the Main Feeders of the Iron Tower Caution: During the hoisting, rough operations are not allowed, lest the sheath of the main feeder be damaged or scratched. The partial damage of a single main feeder will cause the whole cable be rejected as useless. Take precautions for personal safety when hoisting the feeders. If the main feeder is to be installed on the tower, pulley blocks should be used to hoist the main feeder, as shown in Fig. 10.4-12.
Chapter Error! Style not defined. Error! Style not de fined. Pulley block Feeder head bandage Label T ie the pull-up rope 0.4m and 3.4m away from the feeder Pull the feeder away from the iron tower with this rope to avoid damage to the feeder or feeder head Pull-up rope Fig. 10.4-12 Hoisting the Feeder to the Tower 10.4.7.5 Cabling and Fixing the Main Feeders 1.
ZXC10-BTS (V5.4) Installation Manual ● The minimum bending radius of the main feeder should not be less than 20 times the length of the radius of the main feeder. For one-time bending, the minimum bending radius is 90mm. The minimum bending radius of repeated bends is 200mm. ● The maximum spacing between the hangers is 1.65m. 2. Cabling procedure of the main feeder 1) Pre-install the three-feeder clips every 1.5 meters (or as per the actual condition of the iron tower, but no more than 1.
Chapter Error! Style not defined. Error! Style not de fined. 10.4.7.6 Introducing Main Feeders into the Equipment Room 1. Precautions ● Fig. 10.4-14 and Fig. 10.4-15 illustrate how the common feeders enter the equipment room. Please ensure that the feeders will not bring any rain into the equipment room when entering the equipment room. For that purpose, you can design water curves as necessary.
ZXC10-BTS (V5.4) Installation Manual 1) Loosen the fixing hoop from the feeder window to the proper position with reference to Section 10.4.6, "Installing the Feeder Window", and pull away the sealing cover of the aperture to thread the feeders. 2) Lead the feeders into the equipment room: Two persons are needed to cooperate with each other, one indoors and the other outdoors, to introduce the feeders from the outdoor cabling racks into the indoor cabling racks.
Chapter Error! Style not defined. Error! Style not de fined. 10.4.8 Installing the Indoor Jumpers Indoor set top jumpers are used between the lightning arrester connected to the main feeder and the rack. Usually the finished 2m set top jumpers are used, or the jumpers can be prepared on site as per the actual length required. If the 2m finished jumpers are used, they can be directly installed between the lightning arrester and the rack top.
ZXC10-BTS (V5.4) Installation Manual 1) Cut waterproof adhesive tapes about 200mm long; 2) Wrap the waterproof adhesive tapes from a low position where the connector is connected and apply them about 200mm long to fill the low-lying parts of the connector, as shown in Fig. 10.6-1. Fig. 10.6-1 Wrap the Waterproof Adhesive Tapes (1) 3) Extend the adhesive tapes to double their length when wrapping them.
Chapter Error! Style not defined. Error! Style not de fined. Fig. 10.6-3 Wrap the Waterproof Adhesive Tapes (3) 6) Apply two layers of the PVC tape on top of the waterproof adhesive tape. During the process, make sure the upper layer overlaps the lower layer by half the width of the tape. 7) Grip the PVC tapes and the waterproof adhesive tapes to make them tightly adhered to each other. 8) Tie the two ends of the adhesive tape with straps to prevent it from being aged or falling off.
FAX: 0086-755-26770160 11 Installing the GPS Antenna Feeder System Summary This part describes: ● Installation preparation for the GPS antenna feeder system; ● Structure of the GPS antenna feeder system; ● Installation flow of the GPS antenna feeder system; ● Installation procedure of the parts of the GPS antenna feeder system; ● Waterproof treatment of the connectors. 11.
ZXC10-BTS (V5.4) Installation Manual Please note that the embracing pole that fixes the GPS antenna must be grounded. 11.2 Structure of the Antenna Feeder System The structure of the GPS antenna feeder system is as shown in Fig. 11.2-1. GPSantenna Fixingclip Lightningarrester Coaxialcable Pipe covering Groundingcable B T S Fig. 11.2-1 Structure of the GPS Antenna Feeder System 11.3 Installation Flow Follow the steps below to install the GPS antenna feeder system: 1.
Chapter Error! Style not defined. Error! Style not de fined. 11.4 Installing the Parts 11.4.1 Preparing the GPS Coaxial Cable Connectors 1. Stripping The size of the GPS coaxial cable to be stripped is as shown in Fig. 11.4-1. 6.2 16.7 Fig. 11.4-1 Stripping the GPS Coaxial Cable 2. Welding the core wire Before welding the core wire, thread the parts with the cable in the sequence as shown in Fig. 11.4-2. Then weld the cable core wire and the pins.
ZXC10-BTS (V5.4) Installation Manual Pin Shell Insulating piece Bushing Pressing tube Nut Fig. 11.4-3 Structure of the N-J7A Cable Assembly 11.4.2 Installing the GPS Lightning Arrester Each GPS system has its own lightning arrester installed between the GPS antenna and the BTS rack. The lightning arrester should be connected to the outdoor grounding copper bar via a 6mm2 grounding cable. For the BTS installed with a lightning arrester frame, you may fix the GPS lightning arrester onto the frame.
FAX: 0086-755-26770160 12 Installing the Boards Summary This part describes: ● Board types of BTS; ● Installation and replacement methods of the BTS boards; ● Front panel and interface of some BTS boards; ● Installation sequence of the BTS boards. 12.1 Board Types and Functions of BTS Modules of the BTS are: 1. DSM DSM (Data Service Module) lies in the BDS of the BTS. It implements the trunking, data and signaling processing of Abis interface. It provides 16 E1 lines externally.
ZXC10-BTS (V5.4) Installation Manual 4. RIM RIM (Radio Frequency Interface Module) implements the interface between BDS and RFS. The forward link first sums the baseband data sent from CHM as per different sectors, multiplexes the summation result, HDLC signaling and PP2S from GCM, and then sends them to RMM.
Chapter Error! Style not defined. Error! Style not defined. RFE module is the main module connecting the internal system of RFS in the BTS and the external antenna of the BTS. Its terminal port is the RF port at the top of the BTS and the test port of the BTS for system testing. It has great influence on the receiving sensitivity and exit transmitting power of the whole BTS system. 10.
ZXC10-BTS (V5.4) Installation Manual When the load exceeds 25A, the board starts limiting current. The HPA is provided with the working power supply by several 27V PPMs connected in parallel to work in the N+1 backup mode. 12.2 Introduction to Main BTS Modules 12.2.1 RFE Module ZTE currently provides two types of RFE (RF Front End) modules.
Chapter Error! Style not defined. Error! Style not defined. RFE-DUP ANT RFE-DIV ANT PWRON PWRON LNAALM RFLOW VSWR15 VSWR30 LNAALM TEST HPA RX1 RX2 RX3 RX4 RX1 RX2 RX3 RX4 Fig. 12.2-1 Panel of RFE Modules Description of the interfaces on the RFE panel is given in Table 12.2-1.
ZXC10-BTS (V5.4) Installation Manual Table 12.
Chapter Error! Style not defined. Error! Style not defined. HPA Test port RF OUT Powerswitch TEST ON OFF Handle Powerindication Wind grid PWRON VSWRalarm ALM Output power alarm RFON RFIN Fig. 12.
ZXC10-BTS (V5.4) Installation Manual Description of the HPA front panel is given in Table 12.2-2. Table 12.2-2 Description of the Interfaces on the HPA Front Panel Name of the Signal To Connector Interface End RF IN Connection Mode Forward TX signal sent TX end of TRX SMA RF cable HPA SMA RF cable by TRX RF OUT Amplified forward power signal end of RFE 12.2.3 TRX The structure of the TRX front panel is as shown in Fig. 12.2-3.
Chapter Error! Style not defined. Error! Style not defined. TRX RX1 RUN ALM RST RS232 RX2 TX Fig. 12.2-3 Structure of the TRX Front Panel Description of the RF interfaces is given in Table 12.2-3.
ZXC10-BTS (V5.4) Installation Manual Table 12.2-3 Description of the TRX RF Interfaces Name of the Signal To Connector Interface End TX Connection Mode Forward TX signal RF IN end of HPA SMA RF cable Reverse RX signal of RX output end of a SMA RF cable RFE corresponding RFE SMA RF cable sent by TRX RX1 in the same sector RX2 Reverse RX signal of RX output end of RFE another corresponding RFE in the same sector 12.
Chapter Error! Style not defined. Error! Style not defined. Socket connect or Fi xi ng pi n Fig. 12.
ZXC10-BTS (V5.4) Installation Manual H PA Clasper CHM LED Testport RFOUT Powerswitch TEST RUN O N ALM BUSY Resetbutton OFF Clasper Testport RST TEST Powerindication W indgrid PW RON VSW Ralarm ALM Outputpoweralarm RFON RFIN Fig. 12.3-2 Front Panel of the Boards and Modules 2.
Chapter Error! Style not defined. Error! Style not defined. 1) Be sure to wear the antistatic wrist ring when plugging a board or a module.
FAX: 0086-755-26770160 13 Hardware Installation Check Summary This part describe the check of the BTS hardware installation. After hardware installation is completed in BTS, the installations should be checked before they are powered on. 13.1 Cabinet Check An indoor cabinet involves the installation of a BTS rack and other cabinets (such as DC/AC power cabinets). A cabinet, when installed, should be checked as follows: 1. The rack installation location conforms to the design drawing. 2.
ZXC10-BTS (V5.4) Installation Manual 9. Each stand should be equipped with 4 partition insulators. If installed close to walls, some of them should be placed between each stand and walls to make a cabinet and walls insulated. 10. The stand supporter should be consistent with the hole sites of expansion screws. 11. The upper plane of the conductive floor in the equipment room is no higher than the lower surface of the stand lest the thermolysis of a stand should be affected. 12.
Chapter Error! Style not defined. Error! Style not defined. 1. The cables are laid flat and straight, without any apparent fluctuation, skewness, crossing or jump wire in air. Any remaining length should be curled, bound and laid in a cable trough. 2. Cables should be bent smoothly and evenly and the outer part of the arc should be as vertical or horizontal as a direct line. 3. Power cables and signal lines are routed, with over 150mm in between each other. 4.
ZXC10-BTS (V5.4) Installation Manual 1. The power cables and ground wires in the equipment room should be laid in accordance with engineering design requirements. 2. The PGND protective grounding wire on a BTS rack employs 35mm2 yellowish green or yellow copper-core cables and are connected with indoor PGND grounding copper bars. They should be well contacted and kept firm. GND/BGND ground wire employs 25mm2 black copper-core cables and -48V power cable employs 25mm2 blue copper-core cables.
Chapter Error! Style not defined. Error! Style not defined. 15. The lifting lug of a power cable should be soldered or pressed firm and upright. 16. The power cable and copper lug must be contacted in a reliable and firm way and are sealed with an adhesive tape. The copper lug must be connected firmly with the power cabinet (or the BTS rack). 17. Insulated protective sleeves are well installed on both connecting terminals of the power supply on the rack top. 18.
ZXC10-BTS (V5.4) Installation Manual 1. The temperature/humidity sensor is vertically installed and cables are correctly connected with the set top. 2. The smog sensor is horizontally installed and cables are correctly connected with the set top. 13.7 Installation Check of Connections inside a Cabinet The connections inside a cabinet are checked as follows: 1. The RF cables between modules within the rack should be connected in a correct and reliable way. 2.
Chapter Error! Style not defined. Error! Style not defined. 13.9 Installation and Check of Lightning Arrester The lightning arrester is installed as follows: 1. An RF lightning arrester is connected with the connectors of the feeder on both terminals and threads should be aligned and tightened. 2. The 6mm2 yellow ground wire of a GPS lightning arrester must be connected with an outdoor ground wire bus and is well contacted with outdoor grounding copper bars. 3.
ZXC10-BTS (V5.4) Installation Manual 3. The feeder between the tower top and the equipment room should be grounded in at least three points. The first location is within 1m from the tower up to the platform. The second is within 1m from the tower to the front of the outdoor cabling rack. The third is within 1m between the feeder and the feeder window. The grounding points should be bound firmly with proper waterproof measures.
Chapter Error! Style not defined. Error! Style not defined. 12. The minimum bending radius of a feeder should be no less than 20 times the feeder radius, and the bending radius of the main feeder should be more than 0.3m. 13. The cabling of the main feeders should be planned. When the cabinet front is parallel to the direction in which a feeder enters a room or the cabinet back is facing the direction in which a feeder enters a room, the main feeders within a sector should be arranged as a row.
ZXC10-BTS (V5.4) Installation Manual 5. The minimum bending radius of a feeder should be no more than 20 times the feeder radius, and the bending radius of the main feeder should be more than 0.3m. 6. The indoor and outdoor parts of a feeder should be both above 0.5m. There should be 0.3m flat and straight at the lightning protection rack. 13.13 Installation and Check of Three-way Feeder Card A three-way feeder card is installed as follows: 1.
Chapter Error! Style not defined. Error! Style not defined. connector. Wrap the waterproof self-adhesive tape with an insulating tape longer than the waterproof self-adhesive tape. 6. All outdoor jumper connectors should receive waterproof sealing treatment and a jumper should be equipped with a waterproof bend. 13.15 Installation and Check of an Antenna Requirements: 1. An antenna support and a tower should be connected in a reliable and firm way. 2.
ZXC10-BTS (V5.4) Installation Manual at the antenna terminal. Each of the unipolarization antennas should be measured. The actual electrically controlled downdip of an antenna conforms to network planning and two unipolarization antennas should have consistent downdips. This is not required if it is not an electrically controlled antenna. 8. All antenna poles should be firmly installed and well grounded.
Chapter Error! Style not defined. Error! Style not defined. 19. When there is no tower, the GPS antenna should be installed on the building top and equipped with a standalone lightning arrester. 13.16 Check of the Standing Wave Ratio of a Feeder The standing wave ratio of a feeder is checked as follows: 1. Measure the standing wave ratio after antennas and all feeders are installed. 2. The terminal of the indoor 1/2" jumper to the rack is connected with a standing wave ratio tester for testing.
FAX: 0086-755-26770160 14 Power-on/Power-off Summary This part describes: The check before BTS is powered on; The power-on procedures of BTS; The power-off procedures of BTS. 14.1 Check before Power-on 14.1.1 Check of External Connections of the rack 1. Check the power supply cables: check carefully to see whether the power cables of DC connecting terminals on the set top are correctly connected. Make sure that the poles are properly connected and screws are tightened. 2.
ZXC10-BTS (V5.4) Installation Manual 2. Unscrew 6 screws on the cover plate of the rack back and open it. According to the cable labels on the back, check the cables for incorrect connections. Also check the cables on the rack back for loose connections resulting from loading/unloading, especially the internal cables between T1 cables, internal connections of GPS and power cable plugs between power supply busbar on the rack and the boards. 3.
Chapter Error! Style not define d. Error! Style not defined. 7. Turn on the PSMD power module switch and the turn on one after another other power module switches into the rack voltage plane and BDS layer. If any abnormality is found, please immediately shut down the PSMD power supply and check it. The rack will not be powered on until the fault is removed. 8. Plug all boards into the chassis after all the above power modules are checked.
ZXC10-BTS (V5.4) Installation Manual 3. Turn off the PSMD power switch on the rack and then the -48V power switch powering the rack outside.
FAX: 0086-755-26770160 Appendix A Abbreviations Abbreviation Full Name 1xEV 1x Evolution 1xEV-DO 1x Evolution Data Only 1xEV-DO High rate packet data 1xEV-DV 1x Evolution Data & Voice 2F3S Two carriers and Three sectors 4F3S Four carriers and Three sectors A A Interface—the interface of BSC-MSC AAA Authentication Authorization Accounting Abis Abis Interface—the interface of BSC--BTS ATM Asynchronous Transfer Mode BDS Baseband Digital System BIM BDS Interface Module BSC Base Stati
ZXC10-BTS (V5.
