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J2I Series Products
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08/2019

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Summary of Contents for Signalwing J2I Series

  • Page 1 J2I Series Products ’ ’ 08/2019...
  • Page 2: Preface

    J2I Series User Manual Preface This User Manual provides installation, configuration, operation and maintenance guidance of the repeater. Specifications are also provided at the end of this User Manual in order to help users better understand the repeater. Please read this user’s manual thoroughly and follow the instructions outlined in this manual to ensure a long life span and a trouble-free repeater unit.
  • Page 3: Table Of Contents

    J2I Series User Manual Contents PREFACE ........................1 WARRANTY ........................1 SAFETY INFORMATION ....................1 ACKNOWLEDGMENT ....................1 CONTENTS ........................2 INTRODUCTION ....................4 1.1 J2I/F Series Band Selective Repeaters .................. 4 1.2 General Installation Layout ....................4 1.3 Advantages ..........................5 INSTALLATION ....................
  • Page 4 J2I Series User Manual 4.1 Status, Alarms possible Solutions ..................15 4.2 Troubleshooting ........................15 4.3 Replacement........................... 16 5. APPENDIX ......................17 5.1 Abbreviations ......................... 17...
  • Page 5: Introduction

    J2I Series User Manual Introduction 1.1 J2I/F Series Band Selective Repeaters The J2I/F Series Repeater is compact in size and light in weight. Hence, the installation of the J2 Series Repeater is easy, simply just plug and play. With the control panel in front of the repeater, the repeater status can be known during installation.
  • Page 6: Advantages

    ◆ Antenna Isolation Testing J2I series product also has a repeater mounted antenna isolation detection function. Equipment installation completed boot automatically after the onset detection transceiver antenna isolation, if transceiver antenna isolation can not meet the installation requirements, the device will automatically reduce the gain to guarantee the equipment in normal working, not self-excitation vibration, guarantee not to interfere base station and repeater itself.
  • Page 7: Installation

    J2I Series User Manual Installation 2.1 Isolation Isolation is an important concept for the repeater system, and it is one of the factors that affect the location of the donor antenna and the location of the service antenna. In the repeater system, the isolation must be enough, which means the donor antenna cannot be installed too close to the repeater.
  • Page 8: Precautions And Preparation

    J2I Series User Manual level on the SA. Subtract the power level received at the spectrum analyzer from the output power (OP) level of the signal generator to obtain the isolation value. Isolation (dB) = OP from the SG – Received Power on the SA Transmit a strong OP from the SG is recommended (excess of 20dBm) for easy recognition and detection by the SA.
  • Page 9: Donor Antenna Installation

    J2I Series User Manual 1. Signal Generator............x1 2. Site Master...............x1 3. Engineering Mobile..........x1 4. Multi-meter...............x1 5. Electrical Drill............x1 6. Hammer..............x1 7. Spanner..............x1 8. Screwdriver..............x1 9. Waterproof Sealant..........x1 2.3 Donor Antenna Installation The location of the donor antenna strongly influences the performance/characteristics of the RxLev (RSCP for 3G) and RxQuality (Ec/No) of the intended coverage area.
  • Page 10: Service Antenna Installation

    J2I Series User Manual A lightning rod is necessary when the donor antenna is located at a relative high position. On the other hand, an arrestor could be connected between repeater and donor antenna for better protection. Waterproofing of the antenna installation is also important, and it can be done with the following process:...
  • Page 11: Commissioning

    J2I Series User Manual Fasten the repeater on the wall by screws. Figure 3 Mark the holes ◼ Use the back of the repeater to hang on the Hanger and complete the installation. ◼ Connect the donor antenna cable to the BTS port of the repeater and the service antenna cable to the MS port of the repeater.
  • Page 12: Repeater Configuration

    3.2 Repeater Configuration The J2I series repeaters are designed with plug and play ability. The configuration for these repeaters is not necessary, simply just switch the Smart function on, and the repeater would auto adjust its gains according to the environment condition.
  • Page 13 J2I Series User Manual Figure 3 Front panel of the repeater Buttons Functions The functions of the buttons on the front panel are listed in the table below. Button Function Explanations Press the button, the attenuation of uplink and downlink equipment gain at.
  • Page 14 J2I Series User Manual There are four kinds of indicators on the front panel, and they are listed Indicator Status Power Indicator Indicates that the power supply is normal. Smart Indicator Smart function start lamp. Light said start up smart function, don't light, it says that don’t start smart...
  • Page 15 J2I Series User Manual Downlink signal display...
  • Page 16: Maintenance

    If 1 and 2 can’t work, please return to seller for repairing. 4.2 Troubleshooting This table offers the fundamental guidelines for troubleshooting advice for the J2I series. Before sending the repeater back to the factory for service, please check the troubleshooting measures listed below first. Status...
  • Page 17: Replacement

    J2I Series User Manual insects. antennas and the layout of 3. Change of indoor cables if such change occurs. structure or upholstery. 1. Self-oscillation occurred 1. Check the isolation between severely. ISOLATION donor and service antenna. Bad Rx Quality inside LED may be lighted in 2.
  • Page 18: Appendix

    J2I Series User Manual 5. Appendix 5.1 Abbreviations Automatic Gain Control BCCH Broadcast Control Channel Base Transceiver Station Downlink Ec/No Signal Quality for 3G E-GSM Extended GSM Global System for Mobile communication Light Emitting Diode Low noise Amplifier Mobile Station Minimum Operation &...

This manual is also suitable for:

J2f series

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