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COMBA SP-9120 Equipment Manual

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GSM900 BANDWIDTH ADJUSTABLE
This is an unpublished work the copyright in which vests in Comba International ("Comba").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-9120 QE
ENU Status : 2-0-0
EQUIPMENT MANUAL FOR SP-9120
SP-9120
PICO REPEATER
EQUIPMENT MANUAL
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:
International Documentation Centre
Comba Telecom
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  • Page 1 This is an unpublished work the copyright in which vests in Comba International ("Comba").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

    EQUIPMENT MANUAL FOR SP-9120 0.2 CONTENTS Section Page CONTENTS ...........................2 INDEX TO FIGURES AND TABLES ..................3 HISTORY..........................3 ISSUE CONTROL .........................3 REFERENCES ........................3 GLOSSARY OF TERMS .......................3 SAFETY NOTICES AND ADMONISHMENTS..............3 SERVICING POLICY AND RETURN OF EQUIPMENT ............3 0.10 READERS COMMENTS .......................3 GENERAL INFORMATION ....................3...

  • Page 3: Index To Figures And Tables

    0.3 INDEX TO FIGURES AND TABLES Figure 1: Application with Integrated antenna ..................3 Figure 2: Application with external antenna ..................3 Figure 3: Top, front and side Views of SP-9120 enclosure ..............3 Figure 4: SP-9120 System diagram ......................3 Figure 5: SP-9120 equipment internal view ..................3 Figure 6: Default Integrated Antenna connection (control panel removed for clarity) ......3...

  • Page 4: History

    EQUIPMENT MANUAL FOR SP-9120 0.4 HISTORY Change No. Details Of Change 1-0-0 Document released on 30 September, 2005 1-0-0 Document revised on 17 October 2005 for “RP-9120” is another model No. for RS-2110F 2-0-0 Document updated for CE Certificate with EGSM specifications included in Dec, 2005.

  • Page 5: Issue Control

    EQUIPMENT MANUAL FOR SP-9120 0.5 ISSUE CONTROL Date Section Front Section 1 Sheet & Section 2.5 Section 4.1.1 Copyright - refer to title page SP-9120 QE Page 5 ENU Status : 2-0-0...

  • Page 6: References

    EQUIPMENT MANUAL FOR SP-9120 0.6 REFERENCES 0.6.1 RS-21110F V1.0 GSM900 Indoor Band Broadband Repeater manual in Chinese, released in August, 2005 0.6.2 RS-2110F datasheet Issue GSM900 Indoor Broadband Repeater, released on 06-08-2005 Product Manager: Tommy Sun Copyright - refer to title page...

  • Page 7: Glossary Of Terms

    EQUIPMENT MANUAL FOR SP-9120 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

    EQUIPMENT MANUAL FOR SP-9120 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

    EQUIPMENT MANUAL FOR SP-9120 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, we would appreciate your co–operation in filling out and returning a photocopy of this customer reply sheet as soon as...

  • Page 11: General Information

    SP-9120 is designed for indoor or sheltered outdoor operation in the GSM900 band. Its band- specific linear amplifier effectively amplifies the desired BTS carriers and IF filtering provides superior out-of-band rejection.

  • Page 12: General Application

    EQUIPMENT MANUAL FOR SP-9120 1.1 GENERAL APPLICATION 1.1.1 USING INTEGRATED ANTENNA Integrated antenna is applicable for small-scale rooms. This system is supplied with Integrated antenna already connected, which means the input signals can be transmitted without using external mobile antenna. Refer to the figure below:...

  • Page 13: Equipment Description

    ATT parameters, and a number of switches to program the frequency and ATT parameters and control the LCD display. External PSU: Converts the mains voltage into 6VDC. Figure 3: Top, front and side Views of SP-9120 enclosure Copyright - refer to title page SP-9120 QE...

  • Page 14: Sp-9120 System Diagram

    Mobile Uplink Figure 4: SP-9120 System diagram As shown in the above figure, in downlink, 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 FSA afterwards to get required output power.
  • Page 15 Converting Port Integrated Module Integrated Module Integrated Antenna Integrated Antenna Control Panel Control Panel Antenna Antenna Port Port Latch Latch Figure 5: SP-9120 equipment internal view Copyright - refer to title page SP-9120 QE Page 15 ENU Status : 2-0-0...
  • Page 16 EQUIPMENT MANUAL FOR SP-9120 2.4 KIT OF PARTS For each SP-9120, the following are shipped: Product Identifier Description Quantity M4X30 Self - tapping Screw Φ6 Wall Plug C-RS211F-01 SMA-SMA jumper cable for use with external antenna PC-220602F0 DC Power Supply Unit (AC-DC power adapter)
  • Page 17 EQUIPMENT MANUAL FOR SP-9120 2.5 RF SPECIFICATIONS Frequency Range, Uplink – [MHz] 890 – 915/ 880 – 915 Frequency Range, Downlink – [MHz] 935 – 960/ 925 – 960 Operating Bandwidth – [MHz] DL:2-15/2-25* UL: 15/25** Max. System Gain – [dB] 60 ±...
  • Page 18 EQUIPMENT MANUAL FOR SP-9120 2.6 POWER, MECHNICAL AND ENVIRONMENTAL SPECIFICATIONS Power Supply – [VAC] (External) AC220 –> DC6V Power Consumption – [W] 15 (approx.) Dimensions, L x W x H – [mm] 235 x 150 x 68 Enclosure Material Plastic/Aluminum...
  • Page 19 EQUIPMENT MANUAL FOR SP-9120 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.
  • Page 20 The repeater is designed for indoor installation and operation. Installation location Mounting surface shall be capable of supporting weight of the equipment, allow 2Kg for the SP-9120 equipment. Physical location should be able to achieve signal strength of better than -70dBm from the BTS antenna, and the MT antennas should provide the required coverage.
  • Page 21 EQUIPMENT MANUAL FOR SP-9120 3.2.1 REPEATER INSTALLATION CHECKLIST Installation Location Requirement Considerations Working Space available Ample space on mounting wall surface or table for instructed airflow and cable routing. The recommended mounting space is 300mmX300mmX300mm AC power supply at each installation location: Power cord length is 1.5m, use a dedicated AC...
  • Page 22 3.3 INSTALLATION PROCEDURES 3.3.1 GOODS INWARDS INSPECTION This SP-9120 was factory tested, inspected, packed, and delivered to the carrier with utmost care. Do not accept shipment from carrier which shows damage or shortage until the carrier's agent endorses a statement of the irregularity on the face of the carrier's receipt. Without documentary evidence, a claim cannot be processed.
  • Page 23 EQUIPMENT MANUAL FOR SP-9120 3.3.4 ANTENNA CONNECTION The equipment is equipped with an integrated antenna (6dB gain) which has already been connected to the “Antenna Port”. The optional external antennas can be used for extended signal coverage. The preparation for use with external antenna is listed below: Remove the front cover by disengaging the latch located at the bottom of the equipment.
  • Page 24 EQUIPMENT MANUAL FOR SP-9120 3.3.5 WALL MOUNTING Locate and prepare two holes spaced apart by 45mm. Depending on the mounting surface, two ф6 wall plugs may be needed, insert and tighten two self-tapping screws into the wall plugs, leave the screw heads protruding by about 5mm.
  • Page 25 EQUIPMENT MANUAL FOR SP-9120 3.3.6 DRIP-LOOP Comba recommends that every horizontal cable entry to the equipment forms a 'U' before its entry to the equipment. Any accumulated water on the cable will drip down at the bottom of the loop and will not climb up to the equipment.
  • Page 26 EQUIPMENT MANUAL FOR SP-9120 4 COMMISSIONING 4.1 MCU LED INDICATORS On the front panel there is a removeable cover, beneath this cover are five diagnostic LEDs. The Red LED is located on the bottom, and their functions are listed below:...
  • Page 27 EQUIPMENT MANUAL FOR SP-9120 4.3 DESCRIPTION OF CONTROL PANEL With the front cover removed, the control panel is revealed. LCD Display LCD Display Numbered keys Numbered keys DlP Switch DlP Switch Reset Reset Enter Enter +/- Back +/- Back Figure 12: Control panel layout 4.3.1 DIP Switches...
  • Page 28 EQUIPMENT MANUAL FOR SP-9120 PROGRAMMING THE SYSTEM This is done with the LCD display is ON. The following is a description of each push button switch. Reset: pressing “Reset” button if an undesired value is set. Set: pressing “Set” button after pressing the relative function buttons to enter that parameter.
  • Page 29 EQUIPMENT MANUAL FOR SP-9120 In the case that users need to return to set the default value when an undesired value is set, proceed with the following frequence: Functio Default Value Press Sequence Button 902.6MHz 0 – Set – 902.6 – Enter 100MHz 1 –...
  • Page 30 The defaulted value of the UL ATT and DL ATT is 0. The setting steps are the same as the setting of working frequency. Table 10: Commissioning procedures for SP-9120 End of section Copyright - refer to title page...
  • Page 31 EQUIPMENT MANUAL FOR SP-9120 5 SYSTEM MAINTENANCE The SP-9120 repeater is designed for trouble free operation and generally does not need maintenance. Maintenance activities should only be carried out by trained personnel. During operation, if the LED “ALARM” is generated ON, first check the AC power cable and verify AC mains supply is normal.
  • Page 32 EQUIPMENT MANUAL FOR SP-9120 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 33 EQUIPMENT MANUAL FOR SP-9120 6.2 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of section End of Document Copyright - refer to title page SP-9120 QE Page 33 ENU Status : 2-0-0...

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Gsm900

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