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800MHZ FIBER OPTIC REPEATER
This is an unpublished work the copyright in which vests in Comba International ("Comba").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 authorized 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.
RA-8000 QI
ENU Status : 1-0-0
INSTALLATION GUIDE FOR RA-8000
RA-8000
USER MANUAL
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.
Copyright - refer to title page
Page 1
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Table of Contents
Related Manuals for COMBA RA-8000
Summary of Contents for COMBA RA-8000
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Page 1: User Manual
This is an unpublished work the copyright in which vests in Comba International ("Comba").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 authorized 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
INSTALLATION GUIDE FOR RA-8000 CONTENTS Section Page CONTENTS ........................... 2 INDEX TO FIGURES AND TABLES ..................4 HISTORY..........................6 GLOSSARY OF TERMS ....................... 7 SAFETY NOTICES AND ADMONISHMENTS..............8 GENERAL INFORMATION ....................9 EQUIPMENT DESCRIPTION....................11 SYSTEM DIAGRAM ......................11 TYPICAL APPLICATION..................... - Page 3 INSTALLATION GUIDE FOR RA-8000 4.3.3 REMOTE CONNECTION TO OMT..................42 4.3.4 OMT CONFIGURATION ..................... 43 4.3.5 SYSTEM INFO ........................43 4.3.6 RF PARAMETER ........................ 44 4.3.7 SWITCH..........................44 4.3.8 ATT ............................44 4.3.9 ALARM THRESHOLD ......................45 4.3.10 ALARM INFORMATION ...................... 45 4.3.11...
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Page 4: Index To Figures And Tables
Figure 41: MOU Comm.Config ......................49 Figure 42: “O” ring fitting details......................52 Table 1: MOU Shelf Equipping Rule ..................... 13 Table 2: RA-8000 Regular KOP......................16 Table 3: MOU KOP ..........................16 Table 4: RRU KOP..........................16 Table 5: Repeater Installation Checklist ....................19 Table 6: PSU SIU Description....................... -
Page 5: Copyright - Refer To Title Page
INSTALLATION GUIDE FOR RA-8000 Table 15: MCU LED Indicators ......................40 Table 16: RRU LED Indicators......................40 Table 17: Equipment ID ........................47 Table 18: Comm.Config........................49 RA-8000 QI Copyright - refer to title page Page 5 ENU Status : 1-0-0... -
Page 6: History
INSTALLATION GUIDE FOR RA-8000 HISTORY Change No. Details Of Change 1-0-0 This document first created in July 2010. RA-8000 QI Copyright - refer to title page Page 6 ENU Status : 1-0-0... -
Page 7: Glossary Of Terms
INSTALLATION GUIDE FOR RA-8000 GLOSSARY OF TERMS Automatic Level Control Attenuation Base Station Base Transceiver Station Decibel Decibels relative to 1 milliwatt Downlink Duplexer Donor Terminal EEPROM Electrically Erasable Programmable Read Only Memory E/O,O/E Electrical/Optical, Optical/Electrical Hertz Identification Low Noise Amplifier... -
Page 8: Safety Notices And Admonishments
INSTALLATION GUIDE FOR RA-8000 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: General Information
It improves UL/DL signals for better voice quality after amplification, thus extends the BTS signals coverage. This system consists of Direct Coupling Master Optical Unit (MOU) RA-8000-D, Remote Radio Unit (RRU) RA-8000-R. This system can achieve the complete backup for the entire communication link through hot stand-by RF modules. -
Page 10: Figure 1: View Of Mou Fully Equipped Shelf
INSTALLATION GUIDE FOR RA-8000 The figures below show the equipment enclosure layout of RA-8000 MOU and RRU: Figure 1: View of MOU Fully Equipped Shelf OP/DL_UL EXT_ALM RS-232 200-240V~ 50Hz/60Hz Figure 2: Front, Side and Bottom Views of RRU Enclosure... -
Page 11: Equipment Description
INSTALLATION GUIDE FOR RA-8000 2 EQUIPMENT DESCRIPTION SYSTEM DIAGRAM Figure 3: MOU System Diagram Figure 4: RRU System Diagram As shown in the above figures, the DL signals from the BTS are coupled directly and converted into optical signals after amplification in the MOU. Then, the optical signals are transmitted to the RRU via optical fiber. -
Page 12: Typical Application
INSTALLATION GUIDE FOR RA-8000 TYPICAL APPLICATION The standard configuration is one MOU connects with one RRU through Single Channel FOU. Figure 5: Application of one MOU with one RRU through Single Channel FOU with Internal WDM A fully equipped Master Optical Unit can accommodate two Double Channel FOUs. A fully equipped MOU can host two RRUs. -
Page 13: Equipment Layout
EQUIPMENT LAYOUT The RA-8000 MOU (RA-8000-M) is constructed into a 19” 4U shelf, with connectors located on the front and back panels. The RRU (RA-8000-R) is designed for all cables entries from the bottom of the enclosure. The MOU consists of a shelf that accommodates up to seven slide-in modules. Slots are numbered ‘1’... -
Page 14: Figure 8: Rru Equipment Layout
INSTALLATION GUIDE FOR RA-8000 • “Blank” denotes position for “Blanking off plate” this slot may be interchanged with Single Channel FOU • RFU by design is equipped in Slot 5, MCU by design is equipped in Slot 6, PSU by design is... -
Page 15: Equipment Constitution
INSTALLATION GUIDE FOR RA-8000 EQUIPMENT CONSTITUTION This RA-8000 system consists of MOU and RRU that consist of the modules described below: MOU Modules • Radio Frequency Unit (RFU): RF connection with the FOU(s) is from the rear panel, whereas BTS RF connection(s) are connected to the front. -
Page 16: Kit Of Parts
Product Identifier Description Quantity RA-8000 QI This equipment manual OMT V4.0 or above OMT software on CD-Rom Testing Report Table 2: RA-8000 Regular KOP Product Identifier Description Quantity 250V/3.2A Delay Fuse Equipment replacement fuse Power supply cable R-9122C/R-9122AC Commissioning Cable... -
Page 17: Installation
INSTALLATION GUIDE FOR RA-8000 3 INSTALLATION WARNINGS AND ALERTS Laser Laser light can cause damage to eyes. Laser light is not visible. Viewing it directly does not cause pain. The iris of the eye will not close when viewing a bright light. Consequently, serious damage to the retina of the eye is possible. -
Page 18: Site Planning Considerations
INSTALLATION GUIDE FOR RA-8000 SITE PLANNING CONSIDERATIONS Site Considerations The MOU can be located indoors to facilitate coupling of BTS signals and power supply connections. The recommended input range of BTS signal is -15~5 dBm. Hence, an appropriate coupler must be used according to input power of the repeater. -
Page 19: Repeater Installation Checklist
INSTALLATION GUIDE FOR RA-8000 3.2.1 REPEATER INSTALLATION CHECKLIST Installation Location Requirement Considerations Ample space on 19” rack and mounting pole/wall Working Space available surface (recommended to reserve 800mm x 800mm x 800mm) for unrestricted airflow and cable routing. Power cord length is about 3m. Use a... -
Page 20: Installation Procedures
Without documentary evidence, a claim cannot be processed. Open and check each package against the packing list. For any shortage, contact Comba Telecom Systems. Do not remove items from packing materials until installation. -
Page 21: Rack Mounting Of Mou
INSTALLATION GUIDE FOR RA-8000 3.3.4 RACK MOUNTING OF MOU Depending on the installation, should 2-post open-rack are to be used, the mid-mounting brackets are to be used. For rack or cabinet mounting, the mid-mounting brackets are to be removed from the 4U shelf. -
Page 22: Mounting Arrangement
INSTALLATION GUIDE FOR RA-8000 3.3.5 MOUNTING ARRANGEMENT The mounting rack of RRU is for mounting the equipment to either a wall or on a pole. There are four holes in total catering for the two mounting options: • Wall mounting with the masonry bolts supplied, which make use of the round holes. -
Page 23: Rru Lifting Lug
INSTALLATION GUIDE FOR RA-8000 3.3.6 RRU LIFTING LUG This is provided to facilitate lifting and positioning of the RRU equipment during installation. The lifting lug is to be attached to the rear of the RRU enclosure as shown below. Enclosure... -
Page 24: Pole Mounting Of Rru Mounting Rack
INSTALLATION GUIDE FOR RA-8000 3.3.8 POLE MOUNTING OF RRU MOUNTING RACK • The equipment can be mounted on customer-located poles of about 60~75mm in diameter. • Secure the mounting rack onto the pole using M12X160 carriage bolts and clamps through the square holes. -
Page 25: Attaching Rru Onto Mounting Rack
Figure 14: Attaching the RRU onto the Mounting Rack 3.3.10 DRIP-LOOP Comba recommends that every horizontal cable entry to the equipment forms a 'U' before it’s 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 Connectors
INSTALLATION GUIDE FOR RA-8000 EQUIPMENT CONNECTORS The MOU is connected via the connectors located on the front and back panel. The RRU is designed for all cables entries from the bottom of the enclosure. The figures below present the connectors of MOU and RRU. -
Page 27: Table 6: Psu Siu Description
INSTALLATION GUIDE FOR RA-8000 DC-48V PSU POWER Power switch POWER -76~-38V indicates the input power is rated at DC with the voltage range from -76V to -38V. -76~-38V Terminal posts on the front terminate the DC power lead. -76~-38V AC220/110V PSU... -
Page 28: Table 7: Mcu Siu Description
BTS-ALM MODEM DB-9 connector for BTS alarm port to realize the BTS-ALM control & monitoring of RA-8000 at BTS. (option) DB-9 connector for OMT PC connection to the MOU RS-232 by using the cable supplied. Table 7: MCU SIU Description... -
Page 29: Table 8: Single Channel Fou Siu Description
INSTALLATION GUIDE FOR RA-8000 The following are the introduction on the connectors of the two types of FOU. It implements the connection between MOU and RRU through fiber. Single Channel FOU Each Single Channel FOU can serve one RRU. OP/ DL_UL... -
Page 30: Figure 15: Mou Back Panel View
INSTALLATION GUIDE FOR RA-8000 3.4.1.2 MOU Back Panel Connectors Information in this section is provided for trained personnel, it is expected the MOU shelf is pre- configured and tested prior to shipment, and access to the rear of the MOU shelf is not normally required. -
Page 31: Rru Connectors
INSTALLATION GUIDE FOR RA-8000 3.4.2 RRU CONNECTORS Connectors on the RRU are identified below: RX_EXT TX_EXT OP/UL_DL 100-240V~ RS-485 RS-232 EXT_ALM 50/60Hz Figure 16: RRU Connectors Connector Description OP/UL_DL Cable gland of FC/APC connector for UL and DL optical signal connection. -
Page 32: Equipment Connection
INSTALLATION GUIDE FOR RA-8000 EQUIPMENT CONNECTION 3.5.1 GROUNDING CONNECTION Ground connection To ensure safe operation of the product, a ground (earth) connection is required. For single phase AC power source, the product must be grounded by connecting the “earth wire” of the power cord to the ground terminal of the AC supply. -
Page 33: Li-Ion Battery Connection
INSTALLATION GUIDE FOR RA-8000 RRU Service Voltage Connection The RRU is connected to a 220/110VAC, 50Hz power supply. The recommended AC connection is rated at AC220/110V, 10A and has three connections to include earth. This connection is labeled ‘AC in’ adjacent to the power cord. -
Page 34: Optical Connection
INSTALLATION GUIDE FOR RA-8000 3.5.5 OPTICAL CONNECTION The MOU is connected to RRU via optical fiber (length < 20km). Connect the “OP/UL_DL” ports of FOU1 to the “OP/UL_DL” port of RRU using separated TX/RX optical fibers. On the RRU, the fiber entry is protected by a shroud; ensure this is attached after fibers are secured. -
Page 35: Bts Alarm Connection
4 ~ 9 Reserved. Table 14: Pin definition of the BTS_ALM port Depending on OMT/OMC configuration, alarm to BTS can be signaled from RA-8000 by either: a) pin1 and pin2 ‘open’ or b) pin2 and pin3 ‘close’. RA-8000 QI Copyright - refer to title page... -
Page 36: Mou Shelf Internal Connection
INSTALLATION GUIDE FOR RA-8000 3.5.8 MOU SHELF INTERNAL CONNECTION Information in this section is provided for trained personnel, it is expected the MOU shelf is pre- configured and tested prior to shipment, and access to the rear of the MOU shelf is not normally required. -
Page 37: Integrated Modem Connecton
INSTALLATION GUIDE FOR RA-8000 Figure 21: RF Connection between RFU and Two Outputs in FOU1, One Output in FOU2 Figure 22: RF Connection between RFU and Two Outputs in FOU1, Two Outputs in FOU2 3.5.9 INTEGRATED MODEM CONNECTON Wireless Modem There is wireless modem integrated in the MOU provides the option of remote connection of the equipment by OMT/OMC. -
Page 38: Figure 24: Diagram Of Wireline Modem
INSTALLATION GUIDE FOR RA-8000 LED OFF: repeater power off LED ON: repeater power on, no SIM/UIM card or no connection to antenna LED flash slowly: repeater power on, in idle status LED flash quickly: repeater power on, in communication status Note: For data link mode, it depends on whether service provider provides this function or not. -
Page 39: Connect To Pc
INSTALLATION GUIDE FOR RA-8000 3.5.10 CONNECT TO PC The local commissioning and management for MOU and RRU is achieved through connecting to the OMT PC locally. Connect MOU to PC Connect the RS-232 port located on the MCU of MOU to the serial port of PC with the RS-232 cable supplied to achieve local monitoring and management. -
Page 40: Commissioning
INSTALLATION GUIDE FOR RA-8000 4 COMMISSIONING 4.1 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 41: Omt
INSTALLATION GUIDE FOR RA-8000 MCU Initialization All three diagnostic LEDs will flash simultaneously for three times when power is supplied to the equipment. Then H1 will keep flashing at the rate of 1 flash/second. H2 will be ON when any alarm occurs. -
Page 42: Remote Connection To Omt
INSTALLATION GUIDE FOR RA-8000 Figure 26: Connection Type Select the desired communication port and click “OK”, it will enter into the main window of OMT. Figure 27: Serial Port Configuration 4.3.3 REMOTE CONNECTION TO OMT If remote connection is needed, users can select [Remote connection via modem] in connection type window. -
Page 43: Omt Configuration
INSTALLATION GUIDE FOR RA-8000 4.3.4 OMT CONFIGURATION After entering the OMT main screen, click the”Connect” button on the toolbar, to connect the equipment to the OMT. Successful connection will be indicated by a message “Online OK” and equipment parameters can be read and/or set. -
Page 44: Rf Parameter
INSTALLATION GUIDE FOR RA-8000 To switch to the MOU or other sites, customer can choose MOU or other site which is under monitoring, then click [Switch] on the bottom to switch to MOU or other sites. 4.3.6 RF PARAMETER It is recommended to configure the following RF parameters for the first installation. -
Page 45: Alarm Threshold
INSTALLATION GUIDE FOR RA-8000 4.3.9 ALARM THRESHOLD Alarm Threshold includes Power threshold and Temperature 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 46: Figure 35: Mou Master Alarm
INSTALLATION GUIDE FOR RA-8000 Figure 35: MOU Master Alarm Figure 36: MOU Channel Alarm Figure 37: RRU Master Alarm RA-8000 QI Copyright - refer to title page Page 46 ENU Status : 1-0-0... -
Page 47: Properties Information
INSTALLATION GUIDE FOR RA-8000 Figure 38: RRU 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 48: Comm. Config
INSTALLATION GUIDE FOR RA-8000 Figure 39: MOU Equipment ID Figure 40: ROU Equipment ID 4.3.13 COMM. CONFIG If the equipment is to be monitored by OMC software, users must finish the MU [Comm. Config.] in the next step. The Comm. Config information requires to be manually entered by users after successful connection to the equipment. -
Page 49: Figure 41: Mou Comm.config
INSTALLATION GUIDE FOR RA-8000 Figure 41: MOU Comm.Config See the table below for configuration details of each parameter. Item Description Checking Control Select “Enable” or “Disable” from the drop down menu as shown to enable or disable the Phone Number Authentication feature. Refer to [Phone No.] in details. -
Page 50: Data Maintenance
INSTALLATION GUIDE FOR RA-8000 4.3.14 DATA MAINTENANCE Refer to OMT V4.0 Software Product Manual. NON-VOLATILE MEMORY A non-volatile storage device on the MCU holds the configuration of the equipment. The following information is preserved in the event of power-loss: Network Configuration... -
Page 51: Commissioning Procedures
INSTALLATION GUIDE FOR RA-8000 4.5 COMMISSIONING PROCEDURES Since end-to-end connection is available for the repeater’s OMT software, users can configure the parameters at MOU, and then offset the parameters of MOU at RRU according to desired coverage level and interference to other BTS signals. Perform the following procedures for system commissioning. -
Page 52: Maintenance
Ensure the labels are clear and legible. • For Li-ion battery, verify their state. Deeply discharged battery should be return to Comba for replacement. If the battery voltage drops under 16V within one hour, replacement of Li-ion battery is recommended. -
Page 53: Appendices
INSTALLATION GUIDE FOR RA-8000 6 APPENDICES APPENDIX A: TOOLS FOR INSTALLATION AND MAINTENANCE The following are the recommended list of tools new installation and routine maintenance: • Slotted screwdriver • Philips screwdriver • Ring spanner (Assorted size: 12~20mm) • Electrically operated drill and masonry drill bits ∅12mm •... -
Page 54: Appendix B: Servicing Policy And Return Of Equipment
APPENDIX B: 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 55: Appendix C: Rma (Return Material Authorization) Form
INSTALLATION GUIDE FOR RA-8000 APPENDIX C: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of section End of Document RA-8000 QI Copyright - refer to title page Page 55 ENU Status : 1-0-0...
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