COMBA SP-1910 Installation Manual
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COMBA SP-1910 Installation Manual

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GSM1900 BANDWIDTH ADJUSTABLE
This is an unpublished work the copyright in which vests in Comba Telecom Ltd. ("Comba"). All rights reserved.
The information contained herein is confidential and the property of Comba and is supplied without liability for errors or
omissions. No part may be reproduced, disclosed or used except as authorised by contract or other written permission. The
copyright and the foregoing restriction on reproduction and use extend to all media in which the information may be embodied.
SP-1910 QI
ENU Status : 1-0-1
INSTALLATION GUIDE FOR SP-1910
SP-1910
PICO REPEATER
INSTALLATION GUIDE
Copyright - refer to title page
The information contained herein is the
responsibility of and is approved by the
following, to whom all enquiries should
be directed in the first instance:
Technical Writing
Comba Telecom Ltd.
Page 1

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Summary of Contents for COMBA SP-1910

  • Page 1 This is an unpublished work the copyright in which vests in Comba Telecom Ltd. ("Comba"). All rights reserved. The information contained herein is confidential and the property of Comba and is supplied without liability for errors or omissions. No part may be reproduced, disclosed or used except as authorised by contract or other written permission. The copyright and the foregoing restriction on reproduction and use extend to all media in which the information may be embodied.

  • Page 2: Table Of Contents

    SERVICING POLICY AND RETURN OF EQUIPMENT ............9 0.10 READERS COMMENTS ..................... 10 GENERAL INFORMATION ....................11 EQUIPMENT DESCRIPTION....................12 THE SP-1910 FUNCTIONAL DIAGRAM ................12 EQUIPMENT LAYOUT......................13 EQUIPMENT CONSTITUTION ................... 13 KITS OF PARTS........................14 GENERAL APPLICATION....................15 2.5.1...

  • Page 3: Index To Figures And Tables

    0.3 INDEX TO FIGURES AND TABLES Figure 1: Top, front and side views of the enclosure ................. 11 Figure 2: SP-1910 functional diagram (built-in antenna used) ..............12 Figure 3: Equipment internal layout ......................13 Figure 4: Application with built-in antenna ....................15 Figure 5: Application with external antennas .....................

  • Page 4: History

    INSTALLATION GUIDE FOR SP-1910 0.4 HISTORY Change No. Details Of Change 1-0-0 Document created and released on Sep 18, 2007 1-0-1 Updated MCU information Copyright - refer to title page SP-1910 QI Page 4 ENU Status : 1-0-1...

  • Page 5: Issue Control

    INSTALLATION GUIDE FOR SP-1910 0.5 ISSUE CONTROL Date Section Copyright - refer to title page SP-1910 QI Page 5 ENU Status : 1-0-1...

  • Page 6: References

    INSTALLATION GUIDE FOR SP-1910 0.6 REFERENCES 0.6.1 SP-1910-1001YH Document released in Aug 2007. Copyright - refer to title page SP-1910 QI Page 6 ENU Status : 1-0-1...

  • Page 7: Glossary Of Terms

    INSTALLATION GUIDE FOR SP-1910 0.7 GLOSSARY OF TERMS Acronym Definition Automatic Level Control Attenuation Base Station Base Transceiver Station CDMA Code Division Multiple Access Decibel Decibels relative to 1 milliwatt Duplexer Donor Terminal EEPROM Electrically Erasable Programmable Read Only Memory...

  • Page 8: Safety Notices And Admonishments

    INSTALLATION GUIDE FOR SP-1910 0.8 SAFETY NOTICES AND ADMONISHMENTS This document contains safety notices in accordance with appropriate standards. In the interests of conformity with the territory standards for the country concerned, the equivalent territorial admonishments are also shown. Any installation, adjustment, maintenance and repair of the equipment must only be carried out by trained, authorized personnel.

  • Page 9: Servicing Policy And Return Of Equipment

    0.9 SERVICING POLICY AND RETURN OF EQUIPMENT The repair of individual units and modules of this equipment is not considered practicable without factory facilities. It is, therefore, the policy of Comba whereby faulty units or modules are returned to the local agent for repair.

  • Page 10: Readers Comments

    INSTALLATION GUIDE FOR SP-1910 0.10 READERS COMMENTS Whilst every endeavour is made to ensure the accuracy of this and all Comba documents, there is always the possibility that an inaccuracy or omission could occur. In order that any amendment/remedial action can be carried out promptly, it is necessary to fill out and return a photocopy of this customer reply sheet as soon as possible.

  • Page 11: General Information

    The cover can be removed without tools. • Small size, light weight and easy to install. Refer to the following figure for the the front, side and back views of the SP-1910: Figure 1: Top, front and side views of the enclosure End of Section...

  • Page 12: Equipment Description

    2 EQUIPMENT DESCRIPTION 2.1 THE SP-1910 FUNCTIONAL DIAGRAM Figure 2: SP-1910 functional diagram (built-in antenna used) As shown in the above figure, in the downlink direction, BTS signals are received by donor antenna (connected with DT port and located outdoor). After the duplexer, the signals are sent to LNA for pre- amplification, to DL Band Module afterwards to achieve the required output power and reject the unwanted signal.

  • Page 13: Equipment Layout

    Figure 3: Equipment internal layout 2.3 EQUIPMENT CONSTITUTION The SP-1910 system consists of the following: Removeable front cover: The equipment is also shipped with a small cover to protect the LEDs (RSSI, RUN and ALARM). A simple latch keeps the cover securely in place.

  • Page 14: Kits Of Parts

    INSTALLATION GUIDE FOR SP-1910 2.4 KITS OF PARTS For each SP-1910, the following are shipped: Product Identifier Description Quantity ST4x30 Self - tapping Screw Φ6 Wall Plug RS-211PICO SMA-SMA jumper cable for use with external antenna GFP241DA-0638 DC Power Supply Unit (AC-DC power adapter)

  • Page 15: General Application

    INSTALLATION GUIDE FOR SP-1910 2.5 GENERAL APPLICATION 2.5.1 USING BUILT-IN ANTENNA Built-in antenna is applicable for small-scale rooms. This system is supplied with Built-in antenna already connected, which means the input signals can be transmitted without using external mobile antenna.
  • Page 16 INSTALLATION GUIDE FOR SP-1910 To realize extended coverage using external antennas, users need to make some adjustment to the equipment internal structure. The preparation for use with external antenna is desribed as below: • Remove the front cover by disengaging the latch located at the bottom of the equipment.

  • Page 17: Installation

    INSTALLATION GUIDE FOR SP-1910 3 INSTALLATION 3.1 WARNINGS AND ALERTS Radio Frequency energies There may be situations, particularly the workplace environments adjacent to high-powered RF sources, where recommended limits for safe exposure of human beings to RF energy could be exceeded. In such cases, restrictive measures or actions may be necessary to ensure the safe use of RF energy.

  • Page 18: Site Planning Considerations

    Cable routing The RF cables for the SP-1910 are terminated with connectors; other cables connect the equipment with the external PSU. Ensure cables are supported where necessary and secured so that they are not damaged.

  • Page 19: Installation Checklist

    Open and check each package against the packing list. If any items are missing, contact Comba. Do not remove items from antistatic packing until installation. If damage is discovered at the time of installation, contact the shipping agent.

  • Page 20: Wall Mounting

    3.3.4 DRIP-LOOP Comba recommends that every horizontal cable entry to the equipment forms a 'U' before its entry to the equipment. Water on the cable will drip down at the bottom of the loop and will not accumulate at the equipment connectors.

  • Page 21: Equipment Connections

    INSTALLATION GUIDE FOR SP-1910 3.4 EQUIPMENT CONNECTIONS The equipment has been designed for all cable entries from the top of the unit. Figure 10: Equipment connectors Service voltage connection The equipment accepts mains voltage via the AC-DC power adapter. The recommended DC connection is rated at 6VDC and the cable length is around 1.5m.

  • Page 22: Commissioning

    INSTALLATION GUIDE FOR SP-1910 4 COMMISSIONING 4.1 MCU LED INDICATORS On the front panel, there is a removable cover, beneath which are five diagnostic LEDs. There indications are described in the following table separately: Identifier Color Indication RSSI Green RSSI indicator which indicates the input field strength.

  • Page 23: Control Panel

    INSTALLATION GUIDE FOR SP-1910 4.2 CONTROL PANEL With the front cover removed, the control panel reveals. Figure 12: Control panel layout 4.2.1 DIP SWITCHES DIP Switch: Switch ON/OFF the LCD display on the control panel (default = OFF). When the Control panel is switched on, function prompts will be displayed on the LCD Display.

  • Page 24: Programming The System

    INSTALLATION GUIDE FOR SP-1910 PROGRAMMING THE SYSTEM This is done with the LCD display is ON. The following is a description of each push button switch. Reset: Press “Reset” button if an undesired value is set. Set: Press “Set” button after pressing the relative function buttons to activate that parameter.

  • Page 25: Commissioning

    INSTALLATION GUIDE FOR SP-1910 In the case that users need to return to set the default value when an undesired value is set, proceed with the following frequence: Function Button Default Value Press Sequence 1857.6MHz 0 – Set –1857.6 – Enter +100KHz 1 –...

  • Page 26: System Commissioning Procedures

    INSTALLATION GUIDE FOR SP-1910 4.4.2 SYSTEM COMMISSIONING PROCEDURES When the LED “RUN” flashes, it indicates that the monitoring system initialization completes. At this stage, system commissioning can be performed manually without using any professional commissioning instruments. Commissioning Tasks Observation Check power supply, •...

  • Page 27: Mcu Reset

    INSTALLATION GUIDE FOR SP-1910 4.5 MCU RESET If it is required to reset the system when a lockup occurs, press the “Reset Switch” located on the MCU. After pressing, the LED “RUN” will be ON for about five seconds, indicating system is being initialization, and then it will turn to flash indicating normal operation.

  • Page 28: System Maintenance

    AC cable and verify AC mains supply is normal. Then disconnect the DT signals, if it is still alarming, cut and reconnect the power supply and recheck as above. In this way, if the “ALARM” is still ON and the signal coverage is unavailable, contact Comba. Periodic inspection of the equipment(s) is recommended. The recommended tasks include: •...

  • Page 29: Appendices

    INSTALLATION GUIDE FOR SP-1910 6 APPENDICES 6.1 APPENDIX A: TOOLS FOR INSTALLATION AND MAINTENANCE The only tools required are for installing and fixing screws and tightening the SMA connectors. Hereinafter is the recommended list for installation and routine maintenance: Description...

  • Page 30: Appendix B: Rma (Return Material Authorization) Form

    INSTALLATION GUIDE FOR SP-1910 6.2 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of Section End of Document Copyright - refer to title page SP-1910 QI Page 30 ENU Status : 1-0-1...

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