Table of Contents
Advertisement
Quick Links
WCDMA CHANNEL SELECTIVE
This is an unpublished work the copyright in which vests in Comba International ("Comba").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.
RD-8122 QI
ENU Status : 1-0-0
INSTALLATION GUIDE FOR RD-8122
RD-8122
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
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for COMBA RD-8122
Summary of Contents for COMBA RD-8122
- Page 1 This is an unpublished work the copyright in which vests in Comba International ("Comba").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
SAFETY NOTICES AND ADMONISHMENTS ..............9 SERVICING POLICY AND RETURN OF EQUIPMENT............10 0.10 READERS COMMENTS......................11 GENERAL INFORMATION....................12 EQUIPMENT DESCRIPTION ....................13 RD-8122 FUNCTIONAL BLOCK DIAGRAM ...............13 EQUIPMENT LAYOUT ......................13 EQUIPMENT CONSTITUTION ...................14 INSTALLATION ........................16 WARNINGS AND ALERTS....................16 SITE PLANNING CONSIDERATIONS ................17 3.2.1 INSTALLATION CHECKLIST ....................18... - Page 3 INSTALLATION GUIDE FOR RD-8122 FAULT MANAGEMENT.......................33 4.6.1 ALARM ACKNOWLEDGEMENT..................33 COMMISSIONING PROCEDURES ..................35 MAINTENANCE........................36 O-RING FITTING DETAILS ....................36 APPENDICES ........................37 APPENDIX A: TOOLS AND EQUIPMENT FOR INSTALLATION........37 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) FORM ......38 RD-8122 QI Copyright - refer to title page...
-
Page 4: Index To Figures And Tables
Table 2: External alarm signal definition ...................... 25 Table 3: Voltage applied to EXT Alarm pin ....................25 Table 4: LED description ..........................27 Table 5: RD-8122 RF parameters description ..................... 31 Table 6: Alarm list............................32 Table 7: Properties Info descriptions......................33 Table 8: Alarms diagnosis .......................... -
Page 5: History
INSTALLATION GUIDE FOR RD-8122 0.4 HISTORY Change No. Details Of Change 1-0-0 Original document created and released in Apr 2008. RD-8122 QI Copyright - refer to title page Page 5 ENU Status : 1-0-0... -
Page 6: Issue Control
INSTALLATION GUIDE FOR RD-8122 0.5 ISSUE CONTROL Date Section RD-8122 QI Copyright - refer to title page Page 6 ENU Status : 1-0-0... -
Page 7: References
INSTALLATION GUIDE FOR RD-8122 0.6 REFERENCES 0.6.1 RD-8122 DS 3-0-0 Datasheet released in Oct 2007. 0.6.2 OMT v3.20 QE 1-1-0 OMT user manual developed and released in Feb 2007. RD-8122 QI Copyright - refer to title page Page 7 ENU Status : 1-0-0... -
Page 8: Glossary Of Terms
INSTALLATION GUIDE FOR RD-8122 0.7 GLOSSARY OF TERMS Abbreviation Definition Automatic Level Control Attenuator Base Transceiver Station Decibel Decibels relative to 1 milliwatt Downlink Donor Terminal Duplexer Frequency Selection Hertz Identification Low Noise Amplifier Main Control Unit Megahertz Mobile Terminal... -
Page 9: Safety Notices And Admonishments
INSTALLATION GUIDE FOR RD-8122 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, authorised personnel. -
Page 10: 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 11: Readers Comments
INSTALLATION GUIDE FOR RD-8122 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 or 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 12: General Information
Remote configuration and monitoring is possible through Comba’s remote control and monitoring system, via PC or wireless modem to the OMC. Internal Li-ion battery backup ensures alarm signals are sent out in the event of power failure. The RD- 8122 comes in a sealed, well-ventilated cast aluminum enclosure, suitable for all weather conditions. -
Page 13: Equipment Description
INSTALLATION GUIDE FOR RD-8122 2 EQUIPMENT DESCRIPTION 2.1 RD-8122 FUNCTIONAL BLOCK DIAGRAM DL Channel Selective Module LNA1 DL Channel Selective Module Service Donor UL Channel Selective Module Mobile LNA2 UL Channel Selective Module Computer with Data card Power Li-ion Alarm... -
Page 14: Equipment Constitution
INSTALLATION GUIDE FOR RD-8122 2.3 EQUIPMENT CONSTITUTION The figure above shows that typical RD-8122 units consist of: Frequency Selection (FS): The FS is used to select the desired carriers and reject unwanted signals. Power Amplifier (PA): It fulfils power amplification in both UL and DL branches. - Page 15 INSTALLATION GUIDE FOR RD-8122 2.4 KIT OF PARTS Product Identifier Description Qty. T3-099901-5201 Mounting rack for wall or pole mounting T3-099901-5202 Clamps for pole mounting M10X110 Masonry bolts for wall mounting M12X160 Carriage bolts Hex nut M8X20 Hex bolts φ8 Plain washer φ8...
-
Page 16: Installation
INSTALLATION GUIDE FOR RD-8122 3 INSTALLATION 3.1 WARNINGS AND ALERTS Radio Frequency Energies There may be situations, particularly for the 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 17: Site Planning Considerations
INSTALLATION GUIDE FOR RD-8122 3.2 SITE PLANNING CONSIDERATIONS Site Considerations Outdoor equipment are designed to be waterproof, rainproof, and with snow protection. Temporary protection should be taken when the equipment enclosure is opened for installation or maintenance in an outdoor environment. The equipment must not be opened for installation or maintenance in bad weather (e.g. -
Page 18: Installation Checklist
INSTALLATION GUIDE FOR RD-8122 3.2.1 INSTALLATION CHECKLIST • Working space available for installation and maintenance for each mounting arrangement. Ensure unrestricted airflow. • Ensure earthing point is within reach of the ground wire. • Ensure a power source is within reach of the power cord and the power source has sufficient capacity (about 13A for 220VAC, 10A for -48VDC). -
Page 19: Installation Procedures
• Open and check each package against the packing list. If any items are missing, contact Comba. • Do not remove items from antistatic packing until ready for installation. If damage is discovered at the time of installation, contact the shipping agent. -
Page 20: Listing Lug Installation
INSTALLATION GUIDE FOR RD-8122 3.3.4 LISTING LUG INSTALLATION This is provided to facilitate lifting and positioning of the equipment during installation. The lifting lug is to be attached to the rear of the appropriate enclosure as shown below. Lifting Lug... -
Page 21: Pole Mounting
INSTALLATION GUIDE FOR RD-8122 3.3.6 POLE MOUNTING • The equipment can be mounted on poles of about 60~75mm in diameter. • Secure the mounting rack onto the pole using M12x120mm bolts and clamps using carriage bolts through the square holes. -
Page 22: Attaching Equipment Onto Mounting Rack
3.3.8 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 23: Equipment Connectors
INSTALLATION GUIDE FOR RD-8122 3.4 EQUIPMENT CONNECTORS The equipment has been designed for all cable entries from the bottom of the enclosure as shown in the following figure. M-ANT AC220V EXT_ALM Figure 9: Equipment connectors Identifier Descriptions N-Female connector for connection to donor antenna... -
Page 24: Service Voltage Connection
INSTALLATION GUIDE FOR RD-8122 Such a ground connection implements the “Protective Ground Connection”, and must be connected to the equipment at the designated ground point. In general, do not connect the supply before establishing an adequate ground (earth) connection. Construct the ground wire, and use appropriate crimp connectors where necessary. Locate and connect the equipment grounding terminal to a protective ground (i.e. -
Page 25: Physical Connection To Omt Pc
3.5.7 EXT_ALM CONNECTION Three alarm INPUT to RD-8122 are realized on the EXT_ALM port, this is a 7-pin round connector. The following figure and table shows the pin allocation and definition. Pin numbering are shown looking-into the connector on the enclosure. -
Page 26: Preparation For Remote Control Of Euipment Using Modem
INSTALLATION GUIDE FOR RD-8122 3.6 PREPARATION FOR REMOTE CONTROL OF EUIPMENT USING MODEM Wireless Modem For the equipment variant equipped with wireless modem, the modem provides the option of remote connection of the equipment to the OMT. The wireless (GSM) modem implements the link for data and SMS. -
Page 27: Commissioning
INSTALLATION GUIDE FOR RD-8122 4 COMMISSIONING 4.1 PRE-COMMISSIONING After equipment installation, perform the following steps before equipment powering and commissioning. Verify the incoming power source voltage, current, and power levels do not violate any ratings. Double check all connections before applying power. Do not manipulate circuits or make changes with power applied. -
Page 28: Omt Overview
OMC software with remote connection to the equipment over wireless modem connection. The OMT software is based on Windows operating system, and is designed for monitoring and maintaining of Comba repeaters and boosters. The OMT software can accomplish the following functions: •... -
Page 29: Omt Software Installation
INSTALLATION GUIDE FOR RD-8122 4.3.1 OMT SOFTWARE INSTALLATION Refer to Reference 0.6.3 for installing OMT software. After installing the OMT software on the PC, connection to the equipment can be done directly or remotely. 4.3.2 OMT SOFTWARE VERSION OMT software is designed to be backward compatible, to view the OMT software version, select [Help] ->... -
Page 30: Descriptions Of Parameters
4.5.2 RF INFORMATION It includes: Switch (including Carrier Switch and RF Switch), Channel No., Alarm Threshold, VSWR, Temperature, Alarm Configure, Pre-ATT, Power, Gain, and Miscellaneous. The following table lists the RD-8122 RF parameters and provides parameter description. Node Name Description [Switch] It includes [RF Switch] and [Carrier Switch]. - Page 31 This manual takes the [Alarm Threshold] and [Switch] windows to demonstrate how to set the RF parameters. Alarm Threshold Refer to the following figure. For the RD-8122, user can set DL Output Power Low Threshold, DL Input Overload Threshold, Equipment Over TemperatureTthreshold, DL VSWR Threshold and Monitor Battery Voltage Threshold.
-
Page 32: Alarm Information
OMT screen. Up to three external devices can be connected to the RD-8122 via the EXT_ALM connector on the enclosure (Figure 9), when the working status of external devices can be monitored by the OMT. Alarm information will be indicated in the External alarm window. -
Page 33: Fault Management
INSTALLATION GUIDE FOR RD-8122 The following table provides descriptions of the [Properties Info.] Parameter Name Description Equipment ID Displays the equipment Site ID and Site Sub ID information. User can set and modify equipment ID in the “Equipment ID” interface. - Page 34 Low alarm section). If it is, the battery should be replaced. External Alarm If either of the external devices connected to the RD-8122 is indicated at fault, check the external devices according to Table 3. Table 8: Alarms diagnosis RD-8122 QI...
-
Page 35: Commissioning Procedures
MCU LED H3 is off and H1 begin to flash). The commissioning procedure is as follows: Commissioning Tasks Observation 1. On-line and inquiry Activate the RD-8122 Main window. Initialization will complete in about status 2 minutes, with MCU H3 is off and H1 flashing. Click ‘Connect’ button to enquire the repeater’s status. Proceed if there is no alarm;... -
Page 36: Maintenance
INSTALLATION GUIDE FOR RD-8122 5 MAINTENANCE The system 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 the OMT/OMC. -
Page 37: Appendices
INSTALLATION GUIDE FOR RD-8122 6 APPENDICES 6.1 APPENDIX A: TOOLS AND EQUIPMENT FOR INSTALLATION The following are the recommended list of tools for new installation and routine maintenance: • Slotted screwdriver • Philips screwdriver • Ring spanner (Assorted size: 12~20mm) •... -
Page 38: Appendix B: Rma (Return Material Authorization) Form
INSTALLATION GUIDE FOR RD-8122 6.2 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of section End of Document RD-8122 QI Copyright - refer to title page Page 38 ENU Status : 1-0-0...
Need help?
Do you have a question about the RD-8122 and is the answer not in the manual?
Questions and answers