mBDA-80 MBDA BAND SELECTIVE REPEATER USER MANUAL MBDA-80 QE: 1-0-0 Comba Telecom Inc.
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of and is approved by the following, to whom all enquiries should be directed in the first instance: This is an unpublished work the copyright in which vests in Comba International ("Comba").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.
USER MANUAL FOR MBDA-80 0.1 CONTENTS Section Page 0.1 CONTENTS .................................................................................................................................................... 3 0.2 INDEX TO FIGURES AND TABLES ................................................................................................................... 5 0.3 HISTORY ................................................................................................................................
USER MANUAL FOR MBDA-80 7 APPENDICES ............................................................................................................................................... 50 7.1 APPENDIX A: TOOLS FOR INSTALLATION AND MAINTENANCE .................................................................... 50 7.2 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) .........................................................................
USER MANUAL FOR MBDA-80 0.2 INDEX TO FIGURES AND TABLES Figure 1: mBDA-80 ............................................................................................................................................ 10 Figure 2: 2 Bands System Diagram for Example ............................................................................................ 11 Figure 3: Layout of mBDA................................................................................................................................
USER MANUAL FOR MBDA-80 Figure 54: Commissioning Procedure – Subband bandwidth and Switch Setting........................................ 46 Figure 55: Commissioning Procedure – DL Output Power Setting Screen................................................... 46 Figure 58: Commissioning Procedure – Finish ............................................................................................... 47 Table 1: mBDA Components .................................................................................
USER MANUAL FOR MBDA-80 0.3 HISTORY Change No. ENU Details Of Change 1 1-0-0 This user manual first created in Sep. 2017.
USER MANUAL FOR MBDA-80 0.
USER MANUAL FOR MBDA-80 0.5 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. At all times, personnel must comply with any safety notices and instructions.
USER MANUAL FOR MBDA-80 1 GENERAL INFORMATION The mBDA-80 Band Selective Wireless Repeater is designed for operation in 800MHz network.Digital band-specific linear amplifier amplifies the desired BTS carriers and provides superior out-of-band rejection. Typical units with adjustable bandwidth are programmed to specific requirements of the network. Remote configuration and surveillance is possible through Comba’s remote control and monitoring system, via PC or Ethernet to the OMC.
USER MANUAL FOR MBDA-80 2 EQUIPMENT DESCRIPTION 2.1 SYSTEM DIAGRAM DL PA DL LNA Digital Frequency Selective Module DT UL LNA UL PA MT Donor Ant Modem Alarm Indicator Main Control Unit Power Supply Mobile Ant Mobile MT Mobile Ant DL PA DL LNA Digital Frequency Selective Module DT UL PA UL LNA Figure 2: 2 Bands System Diagram for Example In the downlink, the BTS signals are received by donor antenna of the repeater.
USER MANUAL FOR MBDA-80 2.2 EQUIPMENT LAYOUT 482 265.2 436 439 58.6 485.6 58.6 26.1 81.
USER MANUAL FOR MBDA-80 2.3 EQUIPMENT CONSTITUTION mBDA consists of the following parts: Table 1: mBDA Components Module Description There are total 7 slots in the main chassis, where six slots for RF Units and Combiner Units, first slot is for Power & Monitoring Unit. Power & Monitoring Unit (PMU) converts the input voltage into stable DC to supply power for each RF module and provides monitor control. mBDA-RACK mBDA-PMU mBDA-RFU RF Unit processes UL/DL signal and amplifies the signal for coverage. 2.
USER MANUAL FOR MBDA-80 3 INSTALLATION 3.1 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. High Voltage The equipment has been designed and constructed to prevent practicable danger, as far as reasonably possible.
USER MANUAL FOR MBDA-80 3.2 SITE PLANNING CONSIDERATIONS 3.2.1 SITE PLANNING Site Considerations 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. Installation Location Mounting surface shall be capable of supporting the weight of the equipment.
USER MANUAL FOR MBDA-80 3.2.2 SYSTEM 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. (2m; 6 ft. 10 in.). Ensure a power source is within reach of the power cord and the power source has sufficient capacity. Where appropriate, ensure unused RF connectors are terminated. Where appropriate, ensure unused optical fiber connectors are protected.
USER MANUAL FOR MBDA-80 3.3.3 ASSEMBLING mBDA consists of one Rack and three different modules including PMU ,RFUs and CBs (CB is optional). All the units are packed separately. Follow the steps below to assemble. Figure 4: mBDA Screen Note: PMU must be installed in the leftmost slot; RF Units are independent and can be installed in any of the remaining six slots. PMU must be installed in the leftmost slot.
USER MANUAL FOR MBDA-80 Figure 6: Remove Cover Plates Step 2: PMU installation: Insert PMU and fasten the screws.
USER MANUAL FOR MBDA-80 Figure 8: Combiner Installation Step 4: RF Units installation: Insert RFUs into any slot and fasten the screws.
USER MANUAL FOR MBDA-80 Figure 10: Completed mBDA with RFU Installation Step 5: Finish Installation.
USER MANUAL FOR MBDA-80 Figure 12: Completed mBDA of Four RFU and Two Combiners Installation 3.3.4 mBDA IN NORMAL EQUIPMENT CABINET mBDA is an indoor type device. It can be installed in normal equipment cabinet, the installation procedures are shown as below: Step 1: Make sure the equipment cabinet is available with pallet, and the pallet is fixed steadily (Equipment Cabinet nuts, screws and pallet are not provided.). Use cabinet nuts, screws and pallet as recommended by rack manufacturer.
USER MANUAL FOR MBDA-80 Figure 13: Equipment Cabinet with Pallet Step 2: Install the mBDA on to the pallet.
USER MANUAL FOR MBDA-80 Step 3: Attach the mBDA onto the cabinet with the recommended rack screws. Figure 15: Secure the Screws Step 4: Finish installation.
USER MANUAL FOR MBDA-80 3.3.5 mBDA IN 19” RACK MOUNTING mBDA can also be installed in 19’’ rack mounting, the installation procedures are shown as below: Step 1: Install right angle bracket and left angle bracket on back of the mounting rack (Rack nuts and screws are not provided). Use rack nuts and screws as recommended by the rack manufacturer. Step 2:Slide the mBDA-80 on to the angle brackets and confirm it is level. Step 3:Attach the mBDA-80 onto the rack with the recommended rack screws.
USER MANUAL FOR MBDA-80 3.4 EQUIPMENT CONNECTORS The figure below presents the connectors of mBDA.
USER MANUAL FOR MBDA-80 Identifier 1 & 3. LED indicator 2. OMT/LAN/RS485 4.EXT_ALM 5. DT Combiner 6. DT 7. MT Combiner 8.CPL 9.MT 10. 11. FAN 12. POWER 13. AC100~240V Table 3: mBDA Connections Functional Description LED indicator. Refer to Table 6 for more detailed information. OMT port is for local commissioning; LAN port is for remote connection; RS485 is for extension connection when adding extended equipment. External alarm connector with 4 pins. Refer to Table 4 for more detailed information.
USER MANUAL FOR MBDA-80 3.5 EQUIPMENT CONNECTION 3.5.1 GROUNDING CONNECTION WARNING! This unit must always be grounded. Consult an appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Do not connect power before grounding. 3.5.2 mBDA GROUNDING CONNECTION Step 1: Connect the GND cable to the GND connector and the building EARTH. Recommended GND cable size is # 12 AWG. Step 2: Ensure the GND cable is connected to building GND.
USER MANUAL FOR MBDA-80 Power Connector Figure 21: mBDA Power Connection (Rear Panel) 3.5.4 EXTERNAL ALARM CONNECTION For EXT-ALM, this is a 4-pin connector. The following figure and table show the pin allocation and definition. Pin numbering are shown looking-into the connector on the enclosure. 4 3 2 1 Figure 22: Pins Allocation for “EXT_ALM” Port for mBDA Table 4: Pin Definition of “EXT_ALM” Port for mBDA Pin number 1 2 3 Alarm definition EXT. Alarm 1 GND EXT.
USER MANUAL FOR MBDA-80 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: Visually inspect the power connection within the equipment.
USER MANUAL FOR MBDA-80 4.3 COMMISSIONING PROCEDURE System commissioning can commence after the monitoring system has completed self initialization. The commissioning procedure is shown below: Connect and inquiry status Isolation detection Set channel No.
USER MANUAL FOR MBDA-80 Commissioning Tasks 1. On-line and Inquiry status 2. Isolation detection 3. Set Channel No. 4. Adjust Downlink Output Power and align donor antenna 5. Configure [Equipment ID] 6. Comm. Config 7. Select Monitoring Parameters 8. Test coverage area field intensity and adjust service antenna. Table 6: Commissioning Procedure Observation Activate the OMT Main window. The system Initialization will completed in about 2 minutes.
5 WEB GUI mBDA can be monitored and controlled by WEB GUI, follow below contents to achieve system parameter setting and commissioning. 5.1 WEB GUI CONNECTION Step 1: Connect PMU OMT port to PC RJ45 port with the supplied Ethernet cable to set up a physical connection. Step 2: Open browser (browser IE7.0, IE8.0, Chrome or Firefox, suggest disply resolution is 1024×768), input Web GUI IP address: 192.168.8.101, click [Enter].
USER MANUAL FOR MBDA-80 5.2 WEB GUI INTRODUCTION After log in, the Web GUI main screen will appear. We take dual bands products for example. Figure 27: Web GUI Main Screen On Comba Web GUI Home Screen, there are four Menu bars: [Devices], [Commissioning], [Firmware] and [Management]. 5.2.1 [DEVICES] The [Devices] Screen shows the actual active modules of mBDA.
USER MANUAL FOR MBDA-80 PMU Main Management Screen This part show PMU alarm status This part show PMU basic information Click here to enable/disable alarm This part shows configuration of PMU external alarm Figure 29: Power & Monitoring Unit RF Unit Management Screen RFU display overview PA information of RFU Slot information of RFU RFU frequency band RFU parameter Commissioning information of RFU Figure 30: RF Unit NOTE: There are three statuses for PA Service: Normal, Recovery and Shutdown.
USER MANUAL FOR MBDA-80 It will reset PA and then re-detect the PA output power and reflected power, if they are normal, the PA Service Status will turn to Normal, if PA output power or reflected power is still over the threshold, PA Service Status will turn to Recovery again. If PA output power or reflected power is still over the threshold after six times of PA Recovery, PA Service status will be Shutdown which will need to be reset manually. Reset at Management > PA Reset.
USER MANUAL FOR MBDA-80 5.2.3 [FIRMWARE] There are two functions on the [Firmware] bar: [upgrade] and [swap]. [Upgrade] is used to upgrade software, and [Swap] is to replace current firmware version to the previous one. Follow steps shown in below figure to upgrade firmware. Figure 33: [Firmware] Screen – Upgrade Step 4: After clicking , a window will pop up and click . Figure 34: [Firmware] Screen – Pop-up Window 1 Step 5: Wait for 2~4 minutes while mBDA is being reset. Click to continue.
USER MANUAL FOR MBDA-80 Figure 35: [Firmware] Screen - Swap 5.2.4 [MANAGEMENT] Other parameters can be configured on [Management] Screen. Figure 36: [Management] Sceen There are nine function bars list in the left side of the [Mangement] Screen. Below figures are the introduction of each function bar.
USER MANUAL FOR MBDA-80 Inport&Export Figure 37: Management – Import&Export The parameters that can be import/export as below: sub band, alarm enable, ATT value, RF switch, DL output power and so on. Import and Export can help users quickly configure mBDA parameters. For example, if one mBDA finished configuration, users can export its parameters and save as a file in PC, and then import this file to other mBDA to fast finish the device parameter setting.
USER MANUAL FOR MBDA-80 Note: For remote monitoring, the IP Address must be set correctly according to the location IP of remote connection. If more than one equipment is connected to the public network through the same router, the router’s local IP CANNOT be set as 192.168.8.*. SNMP Setting Figure 39: Management – SNMP Setting Security Figure 40: Management – Security Click , [Modify Password] window will pop-up.
USER MANUAL FOR MBDA-80 Figure 41: Modify Password Note: Username cannot be modified. Device Reset Figure 42: Management – Device Reset , all the parameter and alarm will set to factory default value. Device Reset Note: If users click process will last about 2~4 minutes. For PMU monitor reset, users need to re-login WEB GUI.
USER MANUAL FOR MBDA-80 PA Reset Figure 43: Management – PA Reset Note: PA will be turned off by software when PA output power or (VSWR) reflected power is exceed the threshold. Users need to reset PA after debugging. Device Info Figure 44: Management – Device Info Note: Users can input maximum 30 bytes characters in Device Info.
USER MANUAL FOR MBDA-80 Isolation Figure 45: Management – Isolation Note: This Step is the same as step3 of [Commissioning]. Users can check isolation again by clicking Check button. Report Figure 46: Management – Report Note: Click Create to create report (The report cann’t create in IE browser.) and make sure the computer has installed PDF Reader software. If no, users will see nothing.
USER MANUAL FOR MBDA-80 5.3 COMMISSIONING PROCEDURE To complete the installation and commissioning, users need to follow the steps below. Step 1: Click Menu bar [Commissioning] on home screen, a work flow will show up. Figure 47: Commissioning Procedure – Start Step 2: Click to start the process. Figure 48: Commissioning Procedure – Site Info.
USER MANUAL FOR MBDA-80 Step 3: Click , users can set the site information. Figure 49: Dev Info & Date/Time Dev Info mainly used to record device location and Date/Time provid a time reference. Click the Config Value of Date/Time, will update Date/time automatically. NOTE: Make sure the device is connected with appropriate donor and service antennas before proceeding to step 4.
USER MANUAL FOR MBDA-80 Figure 51: Commissioning Procedure – Isolation Detective Confirm Figure 52: Commissioning Procedure –Isolation Detection Failed Here shows the isolation detection result Figure 53: Commissioning Procedure –Isolation Detection Finish Step 5: RF Setting Screen for setting subband bandwidths and switchs.
USER MANUAL FOR MBDA-80 Step1: Select a sub band to modify RF parameter Step2: Configure RF parameter in this table Step3 : Click submit to finish RF setting of selected sub band Figure 54: Commissioning Procedure – Subband bandwidth and Switch Setting NOTE: For each RF module, the 3 subband bandwidth setting should not be overlap each other, if yes, only 1 subband can be turn on, other overlap subband is forbided to switch on by equipment. Step 6: Click setting.
USER MANUAL FOR MBDA-80 Step 7: Click commissioning. to commission other RFUs parameters.
USER MANUAL FOR MBDA-80 6 MAINTENANCE The mBDA 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 OMC. Periodic inspection of the repeater equipment(s) is recommended, the recommended tasks includes: Inspect and record operation status and output power of the repeater from OMC or OMT. Verify the direction and position of antennas.
USER MANUAL FOR MBDA-80 6.2 TROUBLESHOOTING Following installation and commissioning, occasional operation tasks to handle alarms may be required: Table 9: Monitor Unit Alarms Diagnosis Alarm condition Diagnosis RF Unit Alarm Check RF Unit alarm on WEB GUI. Ext Alarm Check to make sure if the external device connected is working normally. Fan Alarm Check to make sure the fan is working normally.
USER MANUAL FOR MBDA-80 7 APPENDICES 7.1 APPENDIX A: TOOLS FOR INSTALLATION AND MAINTENANCE The following tools (not included in package) are required for installation or routine maintenance: Power Drill (for wall mount) Adjustable Wrench (0.31 inch~0.79 inch) Philips Screwdriver Allen wrench (M6) Signal generator support output power 10dBm.
USER MANUAL FOR MBDA-80 7.2 APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) End of Section End of Document FOR NAM OFFICE EMAIL, PLEASE INSERT: support.us@comba-telecom.
USER MANUAL FOR MBDA-80 ENU STATUS : 1-0-0 Copyright - refer to title page Page 52