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Hongxin GZF9003-V User Manual

Gsm frequency shifting repeater
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HX/SM/GZF9183-V/RB.0
GZF9183-V
GSM Frequency Shifting Repeater
User's Manual
September 2004
Version 00.00.01

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  • Page 1 HX/SM/GZF9183-V/RB.0 GZF9183-V GSM Frequency Shifting Repeater User’s Manual September 2004 Version 00.00.01...
  • Page 2 Wuhan Research Institute of Posts and Telecommunications Wuhan Hongxin Telecommunication Technologies Co., Ltd. September 2004 Copyright © 2004 Hongxin Telecommunication Technologies Co., Ltd Wuhan P. R. China 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 WRI Hongxin Telecommunication Technologies Co., Ltd...
  • Page 3 Statement: The actual product may differ from what is described in this manual due to frequent update of WRI Hongxin products and fast development of technologies in the future. Please contact the local WRI Hongxin office for the latest updating information of the product.

  • Page 4: Table Of Contents

    GZF9003-V Wireless Repeater User’s Manual CONTENT 1. SYSTEM OVERVIEW .......... 1 1.1 Overview .....................1 1.2 Scope of Application of the Equipment ........3 1.3 Major Features of the Equipment ..........3 1.4 Basic Principle ..................4 2. WORKING PRINCIPLE & TECHNICAL INDICES ................. 6 2.1 Working Principle...
  • Page 5 GZF9003-V Wireless Repeater User’s Manual 3.4 Accessories ..................17 3.4.1 Outdoor Omni Directional Antenna..................17 3.4.2 Directional Panel Antenna.....................18 3.4.3 Yagi Antenna .........................19 3.4.4 Short Backfire Antenna ......................20 3.4.5 Arrestor ..........................21 3.4.6 1/2 Inch Super Suppleness Cable..................22 4. EQUIPMENT TEST & DEBUGGING ..
  • Page 6 GZF9003-V Wireless Repeater User’s Manual 5.2.1 Installation Flow ........................40 5.2.2 User’s Cooperation .......................40 5.2.3 On-site Survey ........................41 5.2.4 Installation Tools........................41 5.2.5 Technical Documentation ......................41 5.3 Installation Conditions ..............41 5.3.1 Basic Installation Conditions ....................41 5.3.2 Recommended Environment Requirements................42 5.4 Equipment Check ................42...
  • Page 7 GZF9003-V Wireless Repeater User’s Manual 7. SYSTEM MAINTENANCE ......71 8. PRECAUTIONS ............72 9. TRANSPORTATION & STORAGE ..73 9.1 Transportation ................73 9.2 Storage ....................73 10. APPENDIX TERMS & ABBREVIATIONS ............74...

  • Page 8: System Overview

    GZF9003-V Wireless Repeater User’s Manual 1. System Overview 1.1 Overview In GSM mobile communication system, limited by the coverage of base station or by geographic environment, the transmission of signals may be influenced by shadow or semi-shadow in some areas, generally referred to as dead zone or semi-dead zone, bringing serious impact on voice quality or even causing failure to normal communication.
  • Page 9 GZF9003-V Wireless Repeater User’s Manual of these networks since these areas are demanding a greater coverage rather than capacity. Frequency Shifting Repeater of GSM mobile communications is cheap with easy installation. It will greatly reduce the investment in equipments and running cost to expand the network by Frequency Shifting Repeater.

  • Page 10: Scope Of Application Of The Equipment

    GZF9003-V Wireless Repeater User’s Manual station is not used, the extra communication capacity can be transmitted to other areas so that equipment shall be fully used. 1.2 Scope of Application of the Equipment Applicable to airport, stations, mountain area, railway lines, holiday...

  • Page 11: Basic Principle

    WRI Hongxin Co., Ltd (attached separately) for detailed operation information. 1.4 Basic Principle GZF9183-V Frequency Shifting Repeater is one of WRI Hongxin series repeaters. The style of network grouping of GSM Frequency Shifting Repeater is flexible and in variety according to the real situation. The basic ways are...
  • Page 12 GZF9003-V Wireless Repeater User’s Manual 1W to 30W based on the type of High Power Amplifier (HPA). Then the link antenna will send the signal to the remote unit. The remote unit will shift the signal back to the original frequency and amplify it. By the service antenna of remote repeater, the amplified RF signal will be used to covering the dead zones.

  • Page 13: Working Principle & Technical Indices

    GZF9003-V Wireless Repeater User’s Manual Working Principle & Technical Indices 2.1 Working Principle The radio signal is introduced to repeater by its donor antenna from the BTS. In the downlink, the TX signal from BTS is isolated from uplink in the duplexer, and sent to DET.

  • Page 14: Product Features

    2.2 Product Features 1. Excellent RF indices: Based on her insight into GSM system, WRI Hongxin has incorporated the GZF9183-V Repeater as a part of the GSM mobile communications system in designing the system indices of the product to make sure that the RF links are transparent and unblocked for adequate absorption of traffic.
  • Page 15 User’s Manual design and makes it easier for upgrading and maintenance. To meet market demands, WRI Hongxin has developed a flexible and effective series repeater module system through meticulous system certification, unit analysis, rational division of modules and proper index analysis, thus paving the way for the flexible arrangement of multiple types of machines.
  • Page 16 GZF9003-V Wireless Repeater User’s Manual protection for the power supply, antenna and feeder. The lightning protection device of the power supply is a combination of a gas discharge tube and a piezo-resistor and is designed with 2-level protection, so that it can absorb very high lightning strike energy as well as remove residual voltage satisfactorily.

  • Page 17: Technical Indices

    GZF9003-V Wireless Repeater User’s Manual 2.3 Technical Indices 2.3.1 Major Technical Indexes Standard value Item Uplink Downlink Work frequency band 890~915MHz 935~960MHz Maximum output power (to be customized) 36 dBm 43 dBm Duplex spacing 45MHz 45MHz Channel spacing 200KHz 200KHz...

  • Page 18: Mechanical Characteristics

    GZF9003-V Wireless Repeater User’s Manual 2.3.4 Mechanical Characteristics The GZF9183-V meets IP65 standard and can be fixed to the wall or the installation pole with installation accessories. The physical appearance of GZF9183-V Repeater is shown in Fig. 2-3-4. GZF9183-V Fig.2-3-4 2.3.5 Interfaces...

  • Page 19: System Composition

    GZF9003-V Wireless Repeater User’s Manual 3. System Composition 3.1 RF Unit The RF unit, the main functional module of the GZF9183-V Repeater, serves to bi-directionally receive and transfer the radio signals transmitted by the BTS and the mobile phone. It consists of LNA and HPA in the uplink, so It does in the downlink.
  • Page 20 GZF9003-V Wireless Repeater User’s Manual Wireless Modem Coupling: Wireless Modem Coupling (RX-50dB): DET RF2 Service Duplexer ANT: Antenna RX: Uplink LNA RF IN PA RF OUT Coupling (TX –50dB): DET RF1 Frequency Range Downlink 890MHz~915MHz Uplink 935MHz~960MHz Power Capacity ≥100W Out-band suppression @935MHz>70 dB...

  • Page 21: Rff1/2``-50 Cable

    GZF9003-V Wireless Repeater User’s Manual 3.1.3 RFF1/2``-50 Cable Electrical Specifications Impedance Ω 50±1 Max Work Frequency MHz 3000 RF Peak Voltage kV 1.39 Peak Rating Power kW 800~1000MHz 160dBc IMD3 1600~2000MHz 160dBc 0~1000MHz Echo Ullage dB 1000~2000MHz 1000MHz 11/100 Attenuation...

  • Page 22: M&C

    GZF9003-V Wireless Repeater User’s Manual 3.2 M&C Port232 M&C Board Port48 Port23 Modem Power supply Unit In the repeater, the working flow procedure is shown above. All the active modules are connected in serial line to M&C board.

  • Page 23: Power Supply Unit

    GZF9003-V Wireless Repeater User’s Manual 3.3 Power Supply Unit 300W 48V DC / 220 AC Pow er Suppl y Rating Output Power: 300W Input Voltage Range: 48V DC / 220V AC input Output Voltage Type: +27V(10A),+9V(3A) Features: 1 Modularized and small-sized design,...

  • Page 24: Accessories

    GZF9003-V Wireless Repeater User’s Manual 3.4 Accessories 3.4.1 Outdoor Omni Directional Antenna Outdoor omni-directional antenna usually works as service antenna to offer omni-directional coverage to appointed area. Electrical Specifications Frequency Range 870-960MHz VSWR ≤1.5 Input Impedance 50Ω Gain 11.5dBi Polarization Type...

  • Page 25: Directional Panel Antenna

    GZF9003-V Wireless Repeater User’s Manual 3.4.2 Directional Panel Antenna Directional panel antenna usually works as service antenna to offer directional coverage to appointed area. Electrical Specifications Frequency Range 790-960MHz VSWR ≤1.5 Input Impedance 50Ω Gain 18dBi Polarization Type Vertical (3dB) Horizontal Beam width 65°...

  • Page 26: Yagi Antenna

    GZF9003-V Wireless Repeater User’s Manual 3.4.3 Yagi Antenna Directional Yagi antenna usually works as service antenna to offer directional coverage to appointed area. Electrical Specifications Frequency Range 890-960MHz Band width 70 MHz VSWR ≤1.5 Input Impedance 50Ω Gain 17dBi Front to Back Ratio 14.5dB...

  • Page 27: Short Backfire Antenna

    GZF9003-V Wireless Repeater User’s Manual 3.4.4 Short Backfire Antenna For its high gain, short backfire antenna is usually used as the donor antenna of Frequency Shifting Repeater. Electrical Specifications Frequency Range(MHz) 824-896/870-960 VSWR ≤1.35 Input Impedance(Ω) Gain(dBi) Polarization Vertical or Horizontal Half Power Horizontal Beamwidth 25°...

  • Page 28: Arrestor

    GZF9003-V Wireless Repeater User’s Manual 3.4.5 Arrestor Arrestors are usually equipped between the cables joining the equipment and antenna to protect the equipment against lightening surge electricity. Parameters SL-35R SL-35P SL-23R SL-23P Frequency Range DC~2500MHz DC~1500MHz Impedance 50Ω Insertion Loss 0.2dB...

  • Page 29: 1/2 Inch Super Suppleness Cable

    GZF9003-V Wireless Repeater User’s Manual 3.4.6 1/2 Inch Super Suppleness Cable The cable often works as a part of antenna feeder for joining master and BTS, slave unit and antenna. Mechanical Specifications Run Temperature Range 40~ 70 Min Setting Temperature Max.Pull N...

  • Page 30: Equipment Test & Debugging

    GZF9003-V Wireless Repeater User’s Manual 4. Equipment Test & Debugging 4.1. Test Condition, Instruments, Meters & Relevant Accessories 4.1.1 Test Condition 1. Temperature: -25 ~+55 2. Relative humidity: 35 95% 4.1.2 Instruments, Meters & Relevant Accessories 1. Signal generator, one set 2.

  • Page 31: Maximum Gain

    GZF9003-V Wireless Repeater User’s Manual Repeater Attenuator Spectrum analyzer Signal Generator figure 4.3.1 2. Shut down reverse link while measuring forward link, and shut down forward link while measuring reverse link; Set the output frequency of signal generator as the central working frequency of repeater;...

  • Page 32: Gain Adjustment Range

    GZF9003-V Wireless Repeater User’s Manual Set the output frequency of signal generator as the central working frequency of repeater; Set repeater gain to its maximum; Adjust the output level of signal generator until the output of repeater reaches its maximum;...

  • Page 33: Ripple In Band

    GZF9003-V Wireless Repeater User’s Manual Adjust the output of signal generator until the output of repeater reaches its maximum; Measure the output power of repeater with spectrum analyzer; Decrease repeater gain by step. Use spectrum analyzer to measure the output power for every step length decrease of repeater and record it, until repeater gain reaches the minimum.

  • Page 34: Spurious Emission

    GZF9003-V Wireless Repeater User’s Manual 3. Set the output level of vector network analyzer as the maximum input level of repeater; 4. Set repeater gain to its maximum; 5. Use network analyzer to measure VSWR of the operating band at the connected port.

  • Page 35: Group Time Delay

    GZF9003-V Wireless Repeater User’s Manual 1. Connect the testing system according to the real line 1n figure 4.3.1; 2. Shut down the forward link; 3. Set repeater gain to its maximum; 4. Set the frequency of the two signal generators as that of f1 and f2 in the reverse operating band.

  • Page 36: Noise Figure

    GZF9003-V Wireless Repeater User’s Manual 4.3.11 Noise Figure Noise generator Repeater Matching Load Coupler Noise Figure Analyzer figure 4.3.3 Connect testing system according to figure 4.3.3 (make the calibration according to the dotted line before test) Shut down reverse link while measuring forward link, and shut down forward link while measuring reverse link;...

  • Page 37: Construction Process

    WRI Hongxin Corp. all over the country while all the standards set by the operators are under simultaneous execution.

  • Page 38: Reconnaissance Of Works

    GZF9003-V Wireless Repeater User’s Manual figure 5.1 The general working flow of the GZF9183-V Repeater Based on the above figure, the organization flow of respective works can be generally classified into: reconnaissance, design, construction, self-inspection, start, inspection and acceptance as well file re-arrangement.

  • Page 39: Engineering Design

    GZF9003-V Wireless Repeater User’s Manual suppliers. Panorama Testing: by panorama testing and scientific method, collect the accurate wireless signal in the coverage area to provide detailed and authentic data for design of the works. 2 Location of stations: determine the location of the equipment station after the coordination with construction units or realty owners according to the types of repeaters.

  • Page 40: Organization Of Construction

    GZF9003-V Wireless Repeater User’s Manual feasibility and economic rationality for better quality construction. Design flow: 1 Determine design purpose and design plan: determine the requirements and coverage target of a respective works based on the technical bidding documents of construction unit. Plan the scale of current works and design, determine the design contents and estimation plan after careful study of the reconnaissance and technical bidding documents.
  • Page 41 GZF9003-V Wireless Repeater User’s Manual orderly operation and to eliminate troubles. Chief Engineer: formulate and arrange the feasibility plan according to the Rules of Management for Engineering Start, Specifications for Construction and Service Specifications for the Construction of the company, regularly or irregularly check the...
  • Page 42 GZF9003-V Wireless Repeater User’s Manual and arranging the entrance of the transportation equipment, entrance permits of all persons, water and power for construction, communication with Party A concerning the arrangement for construction, also responsible for logistics. He is responsible for chief engineer.

  • Page 43: Opening & Self-Examination Of The Construction

    GZF9003-V Wireless Repeater User’s Manual concerning all the issues and verify them before the start of construction, then formulate scientific, reasonable, standard, secure, economical and operative construction organization plan. Chief engineer must explain some issues in the construction plan that may bring some impact on owner and will not start construction until he gets the consent of the owner.

  • Page 44: Organization For Construction, Inspection & Acceptance

    GZF9003-V Wireless Repeater User’s Manual plan. ● Check the power supply to see if they meet the requirements for equipment. Opening and self-examination of the construction: test and analyze by testing tools (testing mobile phone, panorama software) to see if the index for coverage meet the requirements.
  • Page 45 GZF9003-V Wireless Repeater User’s Manual construction while some sporadic unfinished work will come out. Ending work is sporadic, spattered, small in scale and widely spread. If they are not finished in time, they can influence the completion inspection and acceptance of the construction. According to our experience for completion of construction, we must properly handle the ending work in view of the new projects and sort out the ending work to eliminate them.

  • Page 46: System Installation

    GZF9003-V Wireless Repeater User’s Manual 5.2 System Installation Work flow of outdoor construction shown as the figure 5.2: figure 5.2...

  • Page 47: Installation Flow

    5.2.2 User’s Cooperation WRI Hongxin’s technicians will take charge of the equipment installation and the user’s technicians should provide help if necessary. To ensure the normal running and maintenance of the equipment, the user’s technicians should proactively work together with WRI Hongxin’s...

  • Page 48: On-Site Survey

    GZF9003-V Wireless Repeater User’s Manual cabling, debugging procedure, etc. 5.2.3 On-site Survey Before installation, the installation technicians should consult with the project manager of the user and learn whether the installation site is ready for equipment installation. Specifically, they should survey such it OMC as the installation site, iron tower or high pole, surrounding environment (temperature and humidity) and power supply.

  • Page 49: Recommended Environment Requirements

    GZF9003-V Wireless Repeater User’s Manual 2. A grounding bar is available nearby. 3. There are appropriate buildings, iron towers or high poles to service antenna. 5.3.2 Recommended Environment Requirements 1. The first choice is wall mounting in a room that is cool, dry, well ventilated,...

  • Page 50: Unpacking Inspection

    GZF9003-V Wireless Repeater User’s Manual unpacking immediately and find out the cause, and report to the relevant department. 5.4.2 Unpacking Inspection Open the packing box if it is intact. Handle with care to avoid damaging anything. After the packing box is opened, check whether the goods inside match the packing list and whether the packing list matches the inspection list in the Unpacking Inspection Report.
  • Page 51 GZF9003-V Wireless Repeater User’s Manual figure 5.5.1 Scheme of installation...
  • Page 52 GZF9003-V Wireless Repeater User’s Manual Coding Name Quantity Remark Protective casing 8.038.023R1A Staple bolt 8.038. ZJ Bracket 8.309.044R1A M12 lengthened bolt GB5870-86 Screw bolt M8X25 GB6170-86 Nut M8 GB97.1-85 Flat washer 8 GB93-87 Spring washer 8 GB6170-86 Nut M12 GB847-85 Flat washer 12 table 5.5.1 Details for installation scheme...
  • Page 53 GZF9003-V Wireless Repeater User’s Manual II Repeater Installation Mode of Bracket on Wall figure 5.5.2 Scheme of installation...
  • Page 54 GZF9003-V Wireless Repeater User’s Manual Coding Name Quantity Remark Protective casing 8.038.009R1A Bracket (1) 8.038.010R1A Bracket (2) GB5870-86 Screw bolt M8 X 25 GB6170-86 Nut M8 GB97.1-85 Flat washer 8 GB97.1-85 Flat washer 12 GB93-87 Spring washer 8 GB93-87 Spring washer 12 Steel expansion bolt M12X110 table 5.5.2 Details for installation scheme...
  • Page 55 GZF9003-V Wireless Repeater User’s Manual III Installation Mode for Repeater Canopy on Embracing Pole figure 5.5.3 Scheme of installation Coding Name Quantity Remark Canopy (including accessories) GB817-85 Panhead bolt M5 X 10 GB5870-86 Screw bolt M12 X 60 GB97.1-85 Flat washer 12...
  • Page 56 GZF9003-V Wireless Repeater User’s Manual IV. Installation Mode for Canopy on Wall figure 5.5.4 Scheme of installation...

  • Page 57: Antenna Feeder Installation

    GZF9003-V Wireless Repeater User’s Manual Coding Name Quantity Remark Canopy (including accessories) GB817-85 Panhead bolt M5 X 10 Steel expansion bolt M5 X 60 Steel expansion bolt M12 X 110 table 5.5.4 Details for installation scheme Installation Instruction: Step 1: As shown in figure 5.5.4 firstly bore four holes on wall for installation with Churn Drill...
  • Page 58 GZF9003-V Wireless Repeater User’s Manual When laying the cable, the cable must be unrolled from the cable reel radially step by step in relaxed way. It is prohibited to unroll the cable at random from the center. It is prohibited to unroll the cable at random from the center.
  • Page 59 GZF9003-V Wireless Repeater User’s Manual Diameter of the PVC tube 25mm or 32mm 50mm Cables have to be recalled and re-installed when trouble appears in construction. It is prohibited to pull the cable by force. When cables vertically pass through machine rooms, the holes must be reinforced according to design with measures against rain.

  • Page 60: Installation Of The Service Antenna & Feeder

    GZF9003-V Wireless Repeater User’s Manual requirements when they are laid along the steel towers. When cables are buried for laying, feed line must be buried at depth of 0.8m and must be protected with zinc plated steel tube or PVC tube. A warning sign must be set up in every 5 – 10m along the route of the feed lines.

  • Page 61: Precautions For Antenna Feeder Installation

    GZF9003-V Wireless Repeater User’s Manual requirements in the drawing of the making of cable joint; The redundant length of cable should be unified. The size of peeling of each layer should be suitable with the corresponding part of cable plug;...

  • Page 62: Grounding & Power Supply Connection

    GZF9003-V Wireless Repeater User’s Manual tape and electric isolating tape. 5.7 Grounding & Power Supply Connection 5.7.1 Equipment Grounding The GZF9183-V Repeater must be grounded properly. On the sides of the main chassis of the GZF9183-V Repeater are grounding bolts , which are connected to the ground with 2mm or thicker copper wire.
  • Page 63 GZF9003-V Wireless Repeater User’s Manual are connected with the lightning conductor on the roof, inversed funnel (that is, distiller) should not be shaped, and the direction of the funnel must be downward. The terminal grounding points of ground wires of antenna bracket fall in the ground net or the lightning net nearest to the antenna bracket.
  • Page 64 GZF9003-V Wireless Repeater User’s Manual Grounding points on grounding row or ground net must be sealed with lubricant to avoid water and rust. 5.7.1.3 Handling of Lightning System All the input and output terminals of outdoor equipment must be connected with lightning conductor.

  • Page 65: Power Supply Connection

    GZF9003-V Wireless Repeater User’s Manual 5.7.2 Power Supply Connection For the GZF9183-V Repeater not requiring standby power supply, the 48V DC or 220V/50Hz AC power can be led in directly from the power outlet. The power inlead should be 2mm conductor shorter than 30 m.

  • Page 66: Installation Of Embracing Pole & Antenna Bracket

    GZF9003-V Wireless Repeater User’s Manual connected to creepage prevention switch. For example, if power supply wire is not long enough, more wires can be connected with it; but live wire,zero line and ground wire must be connected in separate points, and soldered with soldering tin. The section to be soldered should first be packed with electric adhesive plaster, and be closed in pyrocondensation pipe;...
  • Page 67 GZF9003-V Wireless Repeater User’s Manual design requirements; Grounding of antenna bracket (for tower) should be in accordance with the design requirements; For installation of antenna bracket (for tower) on roof, full consideration should be given to the carrying capacity of the roof structure;...
  • Page 68 GZF9003-V Wireless Repeater User’s Manual design; Pilot assembly must be made before the installation of tower combined in separate parts. The deviation of screw aperture position must be less than 2mm; Effective lightning conductor must be installed in iron tower.

  • Page 69: Site Opening & Debugging

    GZF9003-V Wireless Repeater User’s Manual 6. Site Opening & Debugging Site opening work flow chart: 1.Follow up record list Installation Completion 2.Proposal design 1. Form of quality check and acceptance Quality check for installation 2. Form of process check and acceptance...

  • Page 70: Details For Opening

    6.2.1 Check on Process Quality check shall be carried out based on quality standards of Hongxin while completing check on technical index of the project. VSWR test: VSWR test shall be implemented by means of trouble positioning and test results shall be recorded in details.

  • Page 71: Implementation Of Equipment Test

    GZF9003-V Wireless Repeater User’s Manual Connection: Correct and secure; Wiring: Secure connection, sound fastening, straight, smart and reasonable wiring to which big elbows shall not be allowed, wiring shall be fastened with clips or bandage. Grounding: Sound grounding of antenna, feeder and mainframe, which complies with three points grounding;...
  • Page 72 GZF9003-V Wireless Repeater User’s Manual a. Input power of local equipment; Receiving power from BTS; Index: receiving power of donor antenna shall be higher than –75dBm. b. Diagram of output power test of local equipment downlink; c. Input power of remote equipment;...

  • Page 73: Implementation Of System Test

    GZF9003-V Wireless Repeater User’s Manual d. Diagram of output power test of remote equipment downlink; Link Antenna e. Noise figure test of the system; Link Antenna 6.2.3 Implementation of System Test GZF9183-V debugging (GSM) Signals received within outdoor coverage system by donor...

  • Page 74: Implementation Of Network Optimization

    GZF9003-V Wireless Repeater User’s Manual Uplink signal received by service antenna shall be measured by spectrometer after it pass the service antenna to ensure whether it is good enough to be amplified, the power value shall between -85~-55dBm; Uplink signal which is amplified in the repeater shall be measured by spectrometer in the antenna port which is connected with donor antenna.
  • Page 75 GZF9003-V Wireless Repeater User’s Manual a. Test of antenna power Input power of each antenna port shall be tested prior to formal opening and test results recoded in detail shall be taken along with design plan as basis for evaluation on check and acceptance of construction quality and the owner.

  • Page 76: Collection Of Opening Data

    All documentation shall be cleared up and summarized as opening report for the project when each index is confirmed to meet requirements presented by the Owner or included in Construction Specifications of Outdoor Repeater and Opening Specifications of Outdoor Repeater prepared by WRI Hongxin. Opening reports include: Implementation scheme of the Project;...
  • Page 77 GZF9003-V Wireless Repeater User’s Manual Amendments and causes of plan: describe it OMC to be changed and causes for such changes in construction in detail; Working index of main equipment: including all index of main equipment to be tested as required by opening specifications.

  • Page 78: System Maintenance

    When equipment fails, user must turn it off and notify our company. It is not allowed to take apart the joints between the equipment or to turn on the equipment, to avoid accident. Please contact WRI Hongxin Co. if you have any questions.

  • Page 79: Precautions

    GZF9003-V Wireless Repeater User’s Manual 8. Precautions The products of our company have been tested and aged before delivery so as to ensure quality. The products are sealed upon delivery and no units or individuals are allowed to unseal them without the authorization of our company.

  • Page 80: Transportation & Storage

    GZF9003-V Wireless Repeater User’s Manual 9. Transportation & Storage 9.1 Transportation The GZF9183-V Repeater is encased in three layers in delivery. The inlayer is a moisture-proof/water-proof plastic bag, the middle layer is a shockproof plastic foam card, and the outer layer is an aluminium-mould box.

  • Page 81: Appendix Terms & Abbreviations

    GZF9003-V Wireless Repeater User’s Manual 10. Appendix Terms & Abbreviations Abbreviation Full-name Automatic Gain Control Automatic Level Control Attenuator Base Station Controller Base Transceiver Station COVERAGE ANT Coverage Antenna or Service Antenna DONOR ANT Donor Antenna Duplexer Filter Global System for Mobile...

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