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This is an unpublished work the copyright in which vests in Comba International ("Comba").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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) CONTENTS Section Page CONTENTS ........................... 2 INDEX TO FIGURES AND TABLES ..................4 HISTORY..........................6 ISSUE CONTROL ......................... 7 REFERENCES ........................8 GLOSSARY OF TERMS ....................... 9 SAFETY NOTICES AND ADMONISHMENTS..............10 SERVICING POLICY AND RETURN OF EQUIPMENT ............. 11 0.10...
Page 3
INSTALLATION GUIDE FOR RA-2100 (MCPA) 4.2.1 MCU LED INDICATORS ..................... 49 4.2.2 RRU LED INDICATORS...................... 49 CONNECTION TO OMT ..................... 50 OMT............................. 51 4.4.1 OMT SOFTWARE INSTALLATION ..................51 4.4.2 OMT SOFTWARE VERSION ....................52 DESCRIPTIONS OF PARAMETERS.................. 52 4.5.1 COMMON INFORMATION....................
FOUs..........................42 Figure 34: Rear-Shelf connectivity of one MOU with four RRU through two double channel FOUs ..42 Figure 35: RA-2100 RRU with AC110V PSU .................... 43 Figure 36: Pin allocation for “BTS_ALM” port .................... 46 Figure 37: Pins allocation for “EXT_ALM” Port..................46 Figure 38: Wireless modem ........................
Page 5
Table 23: Common Info description ......................52 Table 24: RF Info description........................52 Table 25: Management - RF parameters....................52 Table 26: Alarm List for RA-2100....................... 54 Table 27: FOU alarm list ..........................54 Table 28: Properties information descriptions ................... 55 Table 29: Alarms diagnosis........................
INSTALLATION GUIDE FOR RA-2100 (MCPA) HISTORY Change No. Details Of Change 1-0-0 RA-2100 (MCPA) user manual first created in Mar 2008. RA-2100 (MCPA) QI Copyright - refer to title page Page 6 ENU Status : 1-0-0...
INSTALLATION GUIDE FOR RA-2100 (MCPA) REFERENCES 0.6.1 RA-2100 (MCPA) DS 3-0-0 Datasheet released on Mar 2008 0.6.2 RA-2100-1001YH Original user manual released on Jan 2008 0.6.3 OMT V3.20 QE 1-1-0 OMT V3.20 Software Product Manual released in Feb 2007. RA-2100 (MCPA) QI...
INSTALLATION GUIDE FOR RA-2100 (MCPA) GLOSSARY OF TERMS Automatic Level Control Attenuation 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 Global Standard for Mobile Communication...
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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.
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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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 may 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.
R. The MOU accommodates slide-in Fiber Optical Unit (FOU) modules that can support up to four RRUs. RA-2100 provides customer with an option of DIV as required, with which, it performs better in signal coverage and largely enhances the call quality.
Page 14
INSTALLATION GUIDE FOR RA-2100 (MCPA) The figures below show the equipment enclosure layout of RA-2100 MOU and RRU. For the equipment with and without DIV, RRU of RA-2100 (MCPA) is the same in specification. Figure 1: View of MOU DIV_EXT...
INSTALLATION GUIDE FOR RA-2100 (MCPA) 2 EQUIPMENT DESCRIPTION SYSTEM DIAGRAM Pre - amplifier Downlink Adapter Module Combiner TX/ RX Pre - Uplink Adapter amplifier Module AC 110V Backup AC 220V Li ion Battery DC 48V Figure 3: MOU system diagram...
TYPICAL APPLICATIONS 2.2.1 SINGLE FIBER CONFIGURATION Single fiber working is possible for RA-2100 equipment supplied with WDM Unit. The WDM allows optical signals at two different wavelengths to share the same fiber. The following illustrates two applications of single fiber configuration.
Page 17
INSTALLATION GUIDE FOR RA-2100 (MCPA) TX/RX 1=1310nm 1=1310nm OP IN Fiber Out TX/RX 1, 2 2=1550nm 2 =1550nm OP OUT Fiber IN Figure 7: Application of one MOU with one RRU through Single Channel FOU with external WDM Figure 8: Application of one MOU with two RRUs through Dual Channel FOU with external WDM...
Figure 9: Application of one MOU with four RRUs through two Dual Channel FOUs with internal WDM 2.2.2 DUAL FIBER CONFIGURATION For the RA-2100 equipment without internal WDM Unit, dual fiber configuration is required. The following illustrates two applications of dual fiber configuration.
Page 19
INSTALLATION GUIDE FOR RA-2100 (MCPA) Figure 11: Application of one MOU with two RRUs through Dual Channel FOU Shown below is a typical dual fiber application showing the ability to interwork theRA-2100 with existing fiber (e.g. 1310nm occupied) by using externally installed WDM units.
Page 20
INSTALLATION GUIDE FOR RA-2100 (MCPA) Figure 13: Application of one MOU with two RRUs through Dual Channel FOU with WDM installed externally 2.2.1.2 Extension Application of Dual Fiber Configuration A fully equipped MOU can host up to four RRUs. This can be achieved by equipping two Dual Channel FOUs as shown in the figure below.
Page 21
INSTALLATION GUIDE FOR RA-2100 (MCPA) For dual fiber configuration with externally installed WDM units, rerfer to the following figures: Figure 15: Application of one MOU with one RRU through Single Channel FOU with WDM installed externally Figure 16: Application of one MOU with two RRUs through two Dual Channel FOUs...
INSTALLATION GUIDE FOR RA-2100 (MCPA) EQUIPMENT LAYOUT The RA-2100 MOU (RA-2100-D) is constructed into a 19” 4U shelf, with connectors located on the front and back panels. The RRU (RA-2100-R) is designed for all cables entries from the bottom of the enclosure.
Page 23
INSTALLATION GUIDE FOR RA-2100 (MCPA) ALARM POWER Uplink_Ext Downlink_Ext OP UL-DL OP UL-DL OP UL-DL TX/RX RS-232 220~240V 50/60Hz BTS-ALM Modem Figure 19: Front view of one MOU with three RRU through one single channel FOU and one dual channel FOU with WDM and without DIV...
Page 24
INSTALLATION GUIDE FOR RA-2100 (MCPA) The internal layouts for the RRU are shown below: Li-ion Battary M CU O ptical Pre-am plifier TX/RX M odule M odule Surge Protestor Figure 21: Equipment internal layout of RRU without DIV Pre-amplifier DIV M odule...
INSTALLATION GUIDE FOR RA-2100 (MCPA) EQUIPMENT CONSTITUTION The RA-2100 consists of MOU and RRU that comprise 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) KIT OF PARTS For this system, the following are shipped: Product Identifier Description Quantity RA-2100 QI 1-0-0 This equipment manual OMT V3.20 OMT software on CD-Rom Testing Report Table 2: RA-2100 Regular KOP Product Identifier...
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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 -10~0 dBm. Hence, an appropriate coupler must be used according to input power of the repeater.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 3.2.1 REPEATER 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 3.3.5 RRU MOUNTING RACK The following figure shows the dimension of the RRU mounting rack, which is used for mounting the RRU to either a wall or on a pole. There are four holes in total catering for both mounting options: •...
INSTALLATION GUIDE FOR RA-2100 (MCPA) 3.3.6 RRU LIFTING LUG This is provided to facilite 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 3.3.8 POLE MOUNTING OF MOUNTING RACK • The RRU can be mounted on poles of about 60~75mm in diameter. • Secure the mounting rack onto the pole using M12x160 carriage bolts and clamps through the square holes.
Figure 29: 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 accumulate at the equipment connectors.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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. 3.4.1 MOU CONNECTORS 3.4.1.1 MOU Front Panel Connectors The front layouts of the AC PSU are shown.
Page 36
INSTALLATION GUIDE FOR RA-2100 (MCPA) The MOU is controlled and monitored with this unit. The operation MCU with wireline status and local connection to PC is available on this module. The modem wireline modem is integrated within this unit. Green LED to indicate the communication status (FSK Modem) between MOU and RRU.
Page 37
INSTALLATION GUIDE FOR RA-2100 (MCPA) Perform pre-amplification and signal conditioning for uplink and downlink RF signals. RFU with simplex Input SMA-F connector reserved for uplink input port of Uplink_Ext extended cell. It is the RF Rx connection to BTS. SMA-F connector reserved for downlink output port Downlink_Ext of extended cell.
Page 38
INSTALLATION GUIDE FOR RA-2100 (MCPA) Perform pre-amplification and signal conditioning for uplink RF signals. RFU-DIV SMA-F connector reserved for uplink extended cell. Uplink DIV_Ext It is the RF Tx connection to BTS. Uplink DIV_Ext Uplink DIV SMA-F connector for uplink output port. It is the RF Uplink DIV Tx connection to BTS.
Page 39
INSTALLATION GUIDE FOR RA-2100 (MCPA) The following are the introduction on the connectors of each FOU type. WDM unit integrated to implement the connection between MOU and Single Channel FOU RRU through single fiber. Each Single Channel FOU with WDM can with WDM serve one RRU.
Page 40
INSTALLATION GUIDE FOR RA-2100 (MCPA) Two WDM units integrated to implements the connection between MOU Dual Channel FOU and RRU through single fiber. Each Dual Channel FOU with WDM can with WDM serve two RRUs. (standard application) FC/APC connector for optical input/output port 1. It is OP UL-DL connected to the “OP UL-DL”...
Page 41
INSTALLATION GUIDE FOR RA-2100 (MCPA) 3.4.1.2 MOU Back Panel Connectors Information in this section is provided for trained personnels, 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 42
INSTALLATION GUIDE FOR RA-2100 (MCPA) Figure 32: Rear-shelf connectivity of one MOU with two RRU through one double channel FOU Figure 33: Rear-shelf connectivity of one MOU with three RRU through one double channel and one single channel FOUs Figure 34: Rear-Shelf connectivity of one MOU with four RRU through two double channel FOUs...
The “OP Uplink” and “OP Downlink” ports will be identified as a single port “OP UL-DL” for signal connection when WDM unit is configured into the RA-2100 system and it will be identified as “OP-DIV” for uplink optical transmission when DIV is applied to RA-2100 system.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) Depending on the PSU type installed, this connection is labeled differently, adjacent to the power cord. 3.5.3 LI-ION BATTERY CONNECTION Li-ion battery is provided with this system to ensure power is supplied to the system monitoring unit and MCU and to ensure the alarm message could be sent to OMC effectively in case of mains power failure.
4 ~ 7 Table 16: Pin definition of the BTS_ALM port Depending on OMT/OMC conguguration, alarm to BTS can be signaled from the RA-2100 by either: a) pin1 and pin3 ‘closed’ or b) pin2 and pin3 ‘opened’. 3.5.8 EXTERNAL ALARM CONNECTION Four external alarms INPUT to RRU are realized on the “EXT_ALM”...
INSTALLATION GUIDE FOR RA-2100 (MCPA) Pin number Alarm EXT. EXT. EXT. EXT. Reserved Reserved definition Alarm 1 Alarm 2 Alarm 3 Alarm 4 Table 17: Pin definition of “EXT_ALM” Port These signals are defined as “TTL/CMOS level”, for RRU, the following voltage are valid as EXT_ALM...
Page 48
A standard telephone cable can be used for connection with the “To Line” socket. End of Section Comba does NOT provide the RJ-11 cable. The connection of the wireline modem to the PSTN network is outside the scope of this document.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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: •...
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) The equipment can be monitored and controlled by one of two methods: OMT software running on a local PC with serial connection to the equipment. OMC (optional) software with remote connection to the equipment over wireless GSM / CDMA network.
4.4.2 OMT SOFTWARE VERSION OMT software is designed to be backward compatible. To view the OMT software version, select [Help] [About] in the OMT software main window. The current OMT version for RA-2100 is OMTv3.20. DESCRIPTIONS OF PARAMETERS After successful connection of the OMT to the equipment, equipment parameters can be read and/or set.
Page 53
INSTALLATION GUIDE FOR RA-2100 (MCPA) For the RRU, the Alarm Threshold includes DL Output Power Low Threshold Over Temperature Threshold, and DL VSWR Threshold. Users can set alarm threshold according to the specific situation. If the measured value is lower than the threshold lower limit or higher than the threshold upper limit, the appropriate alarm will be generated.
All alarm information, in general, will be displayed in the right part of the main screen when clicking on each node of the [Alarm Info.]. Please refer to OMT v3.20 Software Product Manual for the specified operation details. Following is the alarm list of RA-2100-D and RA-2100-R. RA-2100-D...
INSTALLATION GUIDE FOR RA-2100 (MCPA) 4.5.5 PROPERTIES INFORMATION Properties information is equipment specific. For the RA-2100, the [Property Info.] includes Equipment ID, Firmware Info., Equipment Info., Site Location, Comm. Config and Trigger Report. Click on the specific property information node to view details.
INSTALLATION GUIDE FOR RA-2100 (MCPA) FAULT MANAGEMENT Fault management involves inspecting and changing the thresholds and managing alarm conditions. Generally, failure is caused due to radio signal (poor radio signal), equipment (module failure) and site (power, over temperature). The alarm is colour-coded to indicate its status and alarm levels. The alarm level is equipment specific. It could be: Alarm, Warning, Error or Critical.
INSTALLATION GUIDE FOR RA-2100 (MCPA) Occasional operation tasks are required to handle the alarms. These are given in the following table: Alarm condition Diagnosis Power Down / Power Check AC power cable and verify AC mains supply is normal. During Power Fault alarm handling Fault alarm, DC power supply has no output.
INSTALLATION GUIDE FOR RA-2100 (MCPA) COMMISSIONING PROCEDURES Since end-to-end connection is available for RA-9100 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 5 MAINTENANCE The RA-2100 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.
INSTALLATION GUIDE FOR RA-2100 (MCPA) 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 •...
INSTALLATION GUIDE FOR RA-2100 (MCPA) APPENDIX B: RMA (RETURN MATERIAL AUTHORIZATION) FORM End of section End of Document RA-2100 (MCPA) QI Copyright - refer to title page Page 61 ENU Status : 1-0-0...
Need help?
Do you have a question about the RA-2100 and is the answer not in the manual?
Questions and answers