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WCDMA 850MHZ DIGITAL WIRELESS
This is an unpublished work the copyright in which vests in Comba International ("Comba").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.
RX-8123 QI
ENU Status : 1-0-2
INSTALLATION GUIDE FOR RX-8123
RX-8123
SELECTIVE 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:
Comba Telecom Ltd.
Page 1
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Summary of Contents for COMBA RX-8123
- Page 1 This is an unpublished work the copyright in which vests in Comba International ("Comba").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.
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Page 2: Table Of Contents
INSTALLATION GUIDE FOR RX-8123 CONTENTS Section Page 0.2 CONTENTS ........................... 2 0.3 INDEX TO FIGURES AND TABLES ..................4 0.4 HISTORY ..........................5 0.5 GLOSSARY OF TERMS ....................... 6 0.6 SAFETY NOTICES AND ADMONISHMENTS ..............7 ... - Page 3 INSTALLATION GUIDE FOR RX-8123 5.4.2 COMM. CONFIG ......................... 28 6 MAINTENANCE ........................29 7 APPENDICES........................30 7.1 APPENDIXA: TOOLS FOR INSTALLATION AND MAINTENANCE ........30 7.2 APPENDIXB: SERVICING POLICY AND RETURN OF EQUIPMENT ......31 ...
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Page 4: Index To Figures And Tables
INSTALLATION GUIDE FOR RX-8123 INDEX TO FIGURES AND TABLES Figure 1: RX-8123 System Diagram ......................9 Figure 2: Front, Side and Bottom Views of Equipment ................10 Figure 3: Equipment Internal Layout ......................11 Figure 4: Mounting Rack Overview ......................15 ... -
Page 5: History
INSTALLATION GUIDE FOR RX-8123 HISTORY Change No. Details Of Change 1-0-0 RX-8123 WCDMA user manual first created in Oct 2010 RX-8123 QI Copyright - refer to title page Page 5 ENU Status : 1-0-2... -
Page 6: Glossary Of Terms
INSTALLATION GUIDE FOR RX-8123 GLOSSARY OF TERMS Automatic Level Control Attenuation Antenna Feedback Cancellation Base Transceiver Station Cross Sectional Area Decibel Decibels relative to 1 milliwatt Downlink Duplexer Donor Terminal E/O, O/E Electrical/Optical, Optical/Electrical Frequency Shift Keying Fiber Optical Unit... -
Page 7: Safety Notices And Admonishments
INSTALLATION GUIDE FOR RX-8123 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 8: General Information
INSTALLATION GUIDE FOR RX-8123 1 GENERAL INFORMATION The RX-8123 WCDMA 850MHz digital wireless selective repeater is designed for WCDMA 850MHz networks. It can wireless transmit, two-way amplify WCDMA uplink and downlink signals and is designed for eliminating communicational coverage blind spots. By using the new Comba AFC (Antenna Feedback Cancellation) technique, the system isolation tolerance has been greatly improved: Imax>G-15dB, which... -
Page 9: Equipment Description
2 EQUIPMENT DESCRIPTION SYSTEM DIAGRAM Figure 1: RX-8123 System Diagram As shown in the above figure, the downlink BS signals go through DT port to the system and then to downlink by duplexer separation. The DL signals will go through DT duplexer then to AFC digital processing module for digital filtering and self-oscillation elimination. -
Page 10: Equipment Layout
INSTALLATION GUIDE FOR RX-8123 EQUIPMENT LAYOUT Refer to the below figure for the equipment enclosure size: POWER MODEM ALARM Figure 2: Front, Side and Bottom Views of Equipment RX-8123 QI Copyright - refer to title page Page 10 ENU Status : 1-0-2... -
Page 11: Equipment Constitution
INSTALLATION GUIDE FOR RX-8123 EQUIPMENT CONSTITUTION The RX-8123 consists of AFC digital module, UL/DL PA, DT/MT duplexer, MCU, distribution board, PSU surge arrester and Li-ion battery that comprise of the modules described below: UL PA DL PA Distribution Board AFC Digital... -
Page 12: Kit Of Parts
INSTALLATION GUIDE FOR RX-8123 KIT OF PARTS For this system, the following are shipped: Product Identifier Description Quantity RX-8123 QI This equipment manual on CD-Rom Mounting Rack RRU-040L-5811 Power Supply Cable Fuse Delay fuse for PSU Local Commissioning Cable R-9122C/R-9122AC M10×110... -
Page 13: Installation
INSTALLATION GUIDE FOR RX-8123 3 INSTALLATION WARNINGS AND ALERTS Radio Frequency Energies There may be situations, particularly for workplace environments near 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 14: Site Planning Considerations
INSTALLATION GUIDE FOR RX-8123 SITE PLANNING CONSIDERATIONS Site Considerations The site considerations are listed below: • The distance between the donor antenna and the BS should satisfy line of sight requirements for maximum coverage area. The received spots accept field intensity at least -70dBm. -
Page 15: Installation Procedures
INSTALLATION GUIDE FOR RX-8123 INSTALLATION PROCEDURES 3.3.1 GOODS INWARDS INSPECTION 1. Verify the number of packages received against the packing list. 2. Check all packages for external damage; report any external damage to the shipping courier. If there is damage, a shipping agent should be present before unpacking and inspecting the contents because damage caused during transit is the responsibility of the agent. -
Page 16: Wall Mounting
INSTALLATION GUIDE FOR RX-8123 3.3.4 WALL MOUNTING Drill holes on the wall by using the position of the four round holes on the Mounting rack as a guide. Insert the masonry bolts M10x110 through the round holes and tighten them to take the weight of the entire enclosure. -
Page 17: Pole Mounting Of Mounting Rack
INSTALLATION GUIDE FOR RX-8123 3.3.5 POLE MOUNTING OF MOUNTING RACK See figure4 and drill the holes for pole mounting preparation. Secure the Mounting rack onto the pole using masonry bolts (M10 x 10). Hook the enclosure up onto the mounting rack and align the hole positions to that of the mounting rack, then installed the side bolts. -
Page 18: Equipment Connectors
INSTALLATION GUIDE FOR RX-8123 EQUIPMENT CONNECTORS 3.4.1 CONNECTORS POWER MODEM ALARM Figure 7: Bottom Panel Interface Diagram The connection interfaces are shown below: Connector Description N-female connector, for external mobile antenna N-female connector, for external donor antenna Power Power Supply Interface... -
Page 19: Rf Connection
INSTALLATION GUIDE FOR RX-8123 3.5.3 RF CONNECTION Donor antenna connection: Connect the cable form donor antenna to DT port Mobile antenna connection: Connect the cable form mobile antenna to MT port 3.5.4 MISPLACE ALARM CONNECTION Introduce a misplace alarm cable to CPC which marks “ON/MOV”. Make sure that the misplace cable connect with protection ground. -
Page 20: Commissioning
INSTALLATION GUIDE FOR RX-8123 4 COMMISSIONING PRE-COMMISSIONING TASKS After equipment installation, perform the following steps before equipment powering and commissioning, check that the expected voltage, current, and power levels do not violate any ratings. Double check all connections including ground before applying power. Do not manipulate circuits or make changes when power is applied: •... -
Page 21: Commissioning Procedures
INSTALLATION GUIDE FOR RX-8123 COMMISSIONING PROCEDURES Perform the following procedures for system commissioning. connection and status checking switch/working carrier frequency/gain configuration commissioning system parameter configuration received power test and donor antenna adjust power commissioning coverage power test and antenna adjust... -
Page 22: Omt
Notice: The OMC software with remote connection to the equipment over wireless GSM / CDMA network is optional for customers. The below OMT description and illustration are took RX-8123 (20W) for an example. LOCAL AND REMOTE CONNECTIONS TO OMT After installing OMT software on the PC, connection to the equipment can be done locally or remotely. -
Page 23: Remote Connection To Omt
INSTALLATION GUIDE FOR RX-8123 5.1.2 REMOTE CONNECTION TO OMT If remote connection is needed, users can select [Remote connection via modem] in connection type window. Select desired serial port and click “OK” in [Serial Port Configuration] window to go to OMT main window and start modem initialization. -
Page 24: Rf Parameter
INSTALLATION GUIDE FOR RX-8123 Figure 13: OMT Main Window RF PARAMETER It is recommended to configure the following RF parameters for the first installation. 5.3.1 SWITCH Switch is to enable/disable power for internal modules. When user checks and sets non-RF parameters, such as checking physical antenna connection, switching off will disable equipment power temporarily to protect PA in operation. -
Page 25: Channel No
INSTALLATION GUIDE FOR RX-8123 5.3.2 CHANNEL NO. Channel No. includes Low Edge Channel No. and High Edge Channel No. The value in [MaxValue] column is the upper limit of the range, while the value in [MinValue] column is the lower limit of the range. -
Page 26: Alarm Threshold
INSTALLATION GUIDE FOR RX-8123 5.3.4 ALARM THRESHOLD Alarm Threshold includes Power threshold, Temperature threshold and VSWR threshold. Users can set alarm threshold according to the specific situation. If the measured value is lower than the threshold lower limit or more than the threshold upper limit, the appropriate alarm will be generated. -
Page 27: Properties Info
INSTALLATION GUIDE FOR RX-8123 Figure 20: External Alarm Config: Tick the check box of [Item select] and [Enable] of the desired parameters and click [config] button to finish configuration operation. Notice: [Enable] box is to enable the alarm monitoring for system. Only if users enable the alarm by ticking the [Enable] box, the alarms can be monitored by the OMT/OMC. -
Page 28: Comm. Config
INSTALLATION GUIDE FOR RX-8123 5.4.2 COMM. CONFIG If the equipment is to be monitored by OMC software over ireless GSM / CDMA network, users must finish the [Comm. Config.] in the next step. The Comm. Config information requires to be manually entered by users after successful connection to the equipment. -
Page 29: Maintenance
INSTALLATION GUIDE FOR RX-8123 6 MAINTENANCE The RX-8123 repeater is designed for trouble-free operation and generally does not need maintenance. Maintenance activities should only be carried out by trained personnel. The equipment operation status can be observed remotely through OMT/OMC. -
Page 30: Appendices
INSTALLATION GUIDE FOR RX-8123 7 APPENDICES 7.1 APPENDIXA: TOOLS FOR INSTALLATION AND MAINTENANCE The following are the recommended list of tools new installation and routine maintenance: Tool Dimension Assorted size: ∅10mm Drill Philips screwdriver Assorted Adjustable spanner size:12~20mm Allen Key M5.5... -
Page 31: Appendixb: Servicing Policy And Return Of Equipment
7.2 APPENDIXB: 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 32: Appendix C: Rma (Return Material Authorization) Form
INSTALLATION GUIDE FOR RX-8123 7.3 APPENDIX C: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of section End of Document RX-8123 QI Copyright - refer to title page Page 32 ENU Status : 1-0-2...
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