Table of Contents
Advertisement
DUAL-BAND 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This is an unpublished work the copyright in which vests in Comba International ("Comba").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 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.
RA-7100 II2 QI
ENU Status : 1-0-0
USER MANUAL FOR RA-7100
RA-7100
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
Advertisement
Table of Contents
Related Manuals for COMBA RA-7100
Summary of Contents for COMBA RA-7100
-
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This is an unpublished work the copyright in which vests in Comba International ("Comba").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 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
USER MANUAL FOR RA-7100 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....................12 SYSTEM DIAGRAM ......................12 TYPICAL APPLICATION..................... - Page 3 USER MANUAL FOR RA-7100 4.3.6 RF PARAMETER ........................ 39 4.3.7 SWITCH..........................39 4.3.8 ATT ............................40 4.3.9 ALARM THRESHOLD ......................40 4.3.10 ALARM INFORMATION ...................... 41 4.3.11 PROPERTIES INFORMATION ................... 42 4.3.12 EQUIPMENT ID........................43 4.3.13 COMM. CONFIG ......................... 44 4.3.14...
-
Page 4: Index To Figures And Tables
USER MANUAL FOR RA-7100 INDEX TO FIGURES AND TABLES Figure 1: View of MU Fully Equipped Shelf ....................10 Figure 2: Front, Side and Bottom Views of RU Enclosure................11 Figure 3: View of Combiner Unit Fully Equipped Shelf ................11 Figure 4: MU System Diagram ........................ - Page 5 USER MANUAL FOR RA-7100 Table 1: MU Constitution ..........................17 Table 2: RU Constitution........................... 17 Table 3: MU KOP............................... 18 Table 4: Combiner Unit KOP..........................18 Table 5: RU KOP (5W+5W) ..........................18 Table 6: RU KOP (20W+20W)......................... 18 Table 7: MU Front Panel Connections ......................28 Table 8: MU Back Panel Connections......................
-
Page 6: History
USER MANUAL FOR RA-7100 HISTORY Change No. Details Of Change 1-0-0 This user manual first created on 21 April 2010. RA-7100 II2 QI Copyright - refer to title page Page 6 ENU Status : 1-0-0... -
Page 7: Glossary Of Terms
USER MANUAL FOR RA-7100 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
USER MANUAL FOR RA-7100 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
The low signal transmission loss of optical fiber is applicable for long distance transmission. RA-7100 can support the optical transmission of up to 6.5dB signal transmission loss. There is no isolation problem between TX and RX antennas, which means customer can select the antenna flexibly according to the real situation, such as directional or omni-directional antenna. -
Page 10: Figure 1: View Of Mu Fully Equipped Shelf
USER MANUAL FOR RA-7100 The figures below show the equipment enclosure layout of RA-7100 MU, RU and combiner unit: MU with Wireless Modem MU with LAN Port Figure 1: View of MU Fully Equipped Shelf POWER RS-232 EXT_ALM 5W+5W RA-7100 II2 QI... -
Page 11: Figure 2: Front, Side And Bottom Views Of Ru Enclosure
USER MANUAL FOR RA-7100 OP/UL DL POWER RS-232 EXT_ALM 20W+20W Figure 2: Front, Side and Bottom Views of RU Enclosure Figure 3: View of Combiner Unit Fully Equipped Shelf End of Section RA-7100 II2 QI Copyright - refer to title page... -
Page 12: Equipment Description
USER MANUAL FOR RA-7100 2 EQUIPMENT DESCRIPTION SYSTEM DIAGRAM Optical Fiber Fed Application 850MHz BTS Uplink Coaxial Cable Downlink Coaxial Cable Optical Fiber Optical Fiber 1900MHz BTS Distributed Distributed Distributed Distributed Antenna Antenna Antenna Antenna System System System System Figure 4: MU System Diagram As shown in the above figures, the separate or combined signals as 850MHz and 1900MHz from the BTSs are received and converted into optical signals after amplification in the MU.Then the optical... -
Page 13: Typical Application
Refer to the following two applications of single fiber configuration: 2.2.1.1 Typical Application of Single Fiber Configuration Shown below is a typical application showing the ability to interwork RA-7100. Tx/Rx OP UL_DL... -
Page 14: Equipment Layout
USER MANUAL FOR RA-7100 EQUIPMENT LAYOUT The MU is constructed into a 19” shelf. It is connected via the connectors located on the front and back panel. The RU is designed for all cables entries from the bottom of the enclosure. -
Page 15: Figure 9: Ru Equipment Layout (5W+5W)
USER MANUAL FOR RA-7100 The internal layout for the RU is shown below: Door Open Switch Li-ion Battery Figure 9: RU Equipment Layout (5W+5W) Surge Arrestor Li-ion Battery Optical TX/RX Module 1900MHz PA RF Module 850MHz PA Combiner Figure 10: RU Equipment Layout (20W+20W) -
Page 16: Figure 11: Combiner Unit Equipment Layout
USER MANUAL FOR RA-7100 The internal layout for Combiner Unit is shown below: Passive Module Figure 11: Combiner Unit Equipment Layout RA-7100 II2 QI Copyright - refer to title page Page 16 ENU Status : 1-0-0... -
Page 17: Equipment Constitution
USER MANUAL FOR RA-7100 EREQUIPMENT CONSTITUTION This optical repeater consists of MU and RU that consists of the modules described below: The MU consists of: Identifier Functional Description Supports RF Module, splits DL signal and Power Spliter combines UL Signal. -
Page 18: Kit Of Parts
USER MANUAL FOR RA-7100 KIT OF PARTS For this system, the following are shipped: Product Identifier Description Quantity Fuse Modem Antenna (optional) shipped with equipment within wireless modem Local Commissioning Cable R-9122C OMT V4.0 OMT software on CD-Rom Table 3: MU KOP... -
Page 19: Installation
USER MANUAL FOR RA-7100 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 20: Site Planning Considerations
USER MANUAL FOR RA-7100 SITE PLANNING CONSIDERATIONS Site Considerations The MU can be located indoors to facilitate coupling of BTS signals and power supply connections. The ALC range of received BTS signal is -10~10 dBm. Hence, an appropriate coupler must be used according to the BTS output power. -
Page 21: Repeater Installation Checklist
USER MANUAL FOR RA-7100 Manual Handling During transportation and installation, take necessary handling precautions to avoid potential physical injury to the installation personnel and the equipment. 3.2.1 REPEATER INSTALLATION CHECKLIST Working space available for installation and maintenance for each mounting arrangement. Ensure unrestricted airflow. -
Page 22: Installation Procedures
INSTALLATION PROCEDURES 3.3.1 GOODS INWARDS INSPECTION RA-7100 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: Cabinet Mounting Of Mu
USER MANUAL FOR RA-7100 3.3.4 CABINET MOUNTING OF MU 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 24: Ru Mounting Rack Dimension
USER MANUAL FOR RA-7100 3.3.5 RU MOUNTING RACK DIMENSION The mounting arrangement of the RU is used for mounting the RU to a wall. The figures below show the location of the holes for the mounting tabs. 8- 13 For Pole Mounting... -
Page 25: Wall Mounting Of Ru
USER MANUAL FOR RA-7100 3.3.6 WALL MOUNTING OF RU Hereinafter are the mounting steps for wall mounting: Drill holes on the wall for masonry bolts according to the dimension of the upper/lower mounting tabs indicated above. Insert the masonry bolts (M10x110) to the wall. -
Page 26: Figure 16: Ru Wall Mounting (20W+20W)
USER MANUAL FOR RA-7100 Drill holes on the wall for masonry bolts according to the dimension of the upper/lower mounting tabs indicated in Figure below. Insert the masonry bolts to the wall, and secure the mounting rack on the wall with four M10 masonry bolt nuts. -
Page 27: Pole Mounting Of Ru
USER MANUAL FOR RA-7100 3.3.7 POLE MOUNTING OF RU Secure the Mounting rack onto the pole using U bolt. Hook the enclosure up onto the mounting rack and align the hole positions to that of the mounting rack, then installed the rack bolts. -
Page 28: Drip-Loop
USER MANUAL FOR RA-7100 3.3.8 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 29: Ru Connectors
USER MANUAL FOR RA-7100 3.4.2 RU CONNECTORS Connectors on the RU are identified below: POWER EXT_ALM RS-232 5W+5W OP/UL DL POWER EXT_ALM RS-232 20W+20W Figure 21: RU Connectors Identifier Functional Description POWER Power supply connector RS-232 5-pin connector connects to PC to realize the local commissioning. -
Page 30: Combiner Unit Connectors
USER MANUAL FOR RA-7100 3.4.3 COMBINER UNIT CONNECTORS Connectors on the Combiner Unit are identified below: 1900MHz 850MHz Figure 22: Combiner Unit Connectors Connects with MU’s TX port on back panel. Connects with MU’s RX port on back panel. 850MHz Connects to 850MHz Node B. -
Page 31: Equipment Connection
USER MANUAL FOR RA-7100 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 32: Cable Connection
USER MANUAL FOR RA-7100 3.5.4 CABLE CONNECTION MU is connected to RU via optical fiber (length<13km). Connect MU back panel’s OP1-OP4 with RU’s OP interfaces respectively. MU is connected to Combiner Unit via coaxial cable. Connect MU back panel’s TX/RX with Combiner Unit’s TX/RX ports respectively. -
Page 33: External Alarm Connection
USER MANUAL FOR RA-7100 3.5.5 EXTERNAL ALARM CONNECTION For RU, this is a 7-pin CPC connector. The following figure and table show the pin allocation and definition. Pin numbering are shown looking-into the connector on the enclosure. Figure 24: Pins Allocation for “EXT_ALM” Port... -
Page 34: Connect To Pc
USER MANUAL FOR RA-7100 3.5.7 CONNECT TO PC The local commissioning and management for MU and RU is achieved through connecting to the OMT PC locally. Connect MU to PC Connect the RS-232 port to the serial port of PC with the RS-232 cable supplied to achieve local monitoring and management. -
Page 35: Commissioning
USER MANUAL FOR RA-7100 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 36: Led Indicators
USER MANUAL FOR RA-7100 LED INDICATORS 4.2.1 MU LED INDICATORS Diagnostic LEDs are located on the MU; each indicates the status of a particular function: Identifier Color Indication Operation indicator – power is supplied to the MU. Flashes once every Green second to indicate normal system operation. -
Page 37: Omt
USER MANUAL FOR RA-7100 The equipment can be monitored and controlled by OMT software running on a local PC with local commissioning cable, remote connection to the equipment. OMT software running on a local PC with serial connection to the equipment. -
Page 38: Remote Connection To Omt
USER MANUAL FOR RA-7100 4.3.3 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. -
Page 39: System Info
USER MANUAL FOR RA-7100 4.3.5 SYSTEM INFO Click on [System Info.] within Equipment Information, system information will be displayed in the right interface of the OMT screen. In the interface the site ID of MU is described and the currently accessed unit is indicated. -
Page 40: Att
USER MANUAL FOR RA-7100 Figure 32: RU Switch Config: Select the required state in setting columns of RF information window for RF switch, then press [Enter] or [Config] button to finish the configuration operation. 4.3.8 ATT Figure 33: MU ATT... -
Page 41: Alarm Information
USER MANUAL FOR RA-7100 Figure 35: MU Alarm Threshold Figure 36: RU Alarm Threshold Config: Enter the required value in setting columns of RF information window for Alarm threshold, and press [Enter] or [Config] button to finish the configuration operation. -
Page 42: Properties Information
USER MANUAL FOR RA-7100 Figure 38: MU Channel Alarm Figure 39: RU Master Alarm Figure 40: RU External Alarm Config: Tick the check box of [Item select] and [Enable] of the desired parameters and click [config] button to finish configuration operation. -
Page 43: Equipment Id
USER MANUAL FOR RA-7100 4.3.12 EQUIPMENT ID Equipment ID is to be configured after local commission has been completed, which includes Site ID and Site Sub ID. Item Description Site ID Site ID is the unique equipment identification. It is a hexadecimal string of eight characters in the range of [0x00000000-0xFFFFFFFF]. -
Page 44: Comm. Config
USER MANUAL FOR RA-7100 Figure 42: RU 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 45: Data Maintenance
USER MANUAL FOR RA-7100 modem is required. It is the phone number to dial the equipment. Only the phone number pre-defined in this field, will it be allowed to dial the equipment. It is required to manually enter the phone number. Up to 5 phone numbers are allowed. -
Page 46: Operation
USER MANUAL FOR RA-7100 5 OPERATION Following installation and commissioning, occasional operation tasks to handle alarms may be required: Alarm condition Diagnosis UL LNA, DL PA Check power and signal connections of respective modules. If the power alarms and signal wire connections are OK, then the respective modules may be faulty. -
Page 47: Maintenance
USER MANUAL FOR RA-7100 6 MAINTENANCE The RA-7100 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 OMT/OMC. -
Page 48: Appendices
USER MANUAL FOR RA-7100 7 APPENDICES APPENDIX A: TOOLS FOR INSTALLATION AND MAINTENANCE The following are the recommended list of tools new installation and routine maintenance: • Electronic drill • Adjustable spanner • Allen Key (5.5mm) • Pentagon Key Wrench... -
Page 49: 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 50: Appendix C: Rma (Return Material Authorization) Form
USER MANUAL FOR RA-7100 APPENDIX C: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of Section End of Document RA-7100 II2 QI Copyright - refer to title page Page 50 ENU Status : 1-0-0...
Need help?
Do you have a question about the RA-7100 and is the answer not in the manual?
Questions and answers