Andrew Wireless Innovations Group RPT-MMR8-19I Broad Band Repeater User Manual M0106A7E

Andrew Wireless Innovations Group Broad Band Repeater M0106A7E

Users Manual

ID No: 159967 Page 1User’s ManualforOptical Remote UnitMMR8/19(ID No 159207)
User’s Manual for Remote UnitMMR8/19Page 2M0106A7E.doc Copyright 2003 Mikom GmbHAll rights reserved.All information contained in this manual has been revised thoroughly. Yet Mikomaccepts no liability for any omissions or faults.Mikom reserves the right to change all hard- and software characteristics withoutnotice.Names of products mentioned herein are used for identification purposes only andmay be trademarks and/or registered trademarks of their respective companies.No parts of this publication may be reproduced, stored in a retrieval system,transmitted in any form or by any means, electronical, mechanical photocopying,recording or otherwise, without prior written permission of the publisher.Mikom GmbH An Andrew Company, 21-August-2003
ID No: 159967 Page 3TABLE OF CONTENTS1. GENERAL 71.1. USED ABBREVIATIONS 71.2. HEALTH AND SAFETY WARNINGS 81.3. PREAMBLE 91.4. INTERNATIONAL CONTACT ADDRESSES 102. INTRODUCTION 112.1. PURPOSE 112.2. THE MMR8/19 113. FUNCTIONAL DESCRIPTION 133.1. GENERAL 133.2. COMPONENTS OF THE MMR8/19 REMOTE UNIT 143.2.1. Components Inside the Unit 143.2.2. Fan Protection Kit 163.2.3. Accessories 164. INSTALLATION 174.1. MECHANICAL INSTALLATION 174.1.1. General 174.1.2. Wall Mounting Procedure 194.1.3. Outside Pole Mounting Procedure 204.1.4. Mounting of Fan Protection 214.1.5. Suggestion for an Inside Pole Mounting Procedure 224.2. ELECTRICAL INSTALLATION 244.2.1. General 244.2.2. Connections 254.2.3. Grounding 264.2.4. Power Connection 274.2.5. Connection of the Antenna Cables 274.2.6. Optical Fibre Cable Connection 285. COMMISSIONING 315.1. GENERAL 315.2. AUTO-LEVELLING 315.3. REMOTE OPERATION31
User’s Manual for Remote UnitMMR8/19Page 4M0106A7E.doc6. ALARMS 336.1. BITE AND ALARMS 336.2. HANDLING OF ALARMS 336.3. STATUS REPORT 336.4. LED ALARMS 336.5. ALARM LIST 347. MAINTENANCE 357.1. GENERAL 357.2. REPLACING THE FAN UNIT 367.3. CLEANING THE HEAT SINK 388. APPENDIX 398.1. ILLUSTRATIONS 398.2. SPECIFICATIONS 408.2.1. Mechanical Specifications 408.2.2. Optical and Interface Specifications 408.2.3. Electrical Specifications 408.2.4. Environmental and Safety Specifications 428.3. SPARE PARTS 429. INDEX 43
ID No: 159967 Page 5FIGURES AND TABLESfigure 3-1 Configuration of a MMR8/19 remote unit.................................................. 13figure 3-2 Remote unit, front view ............................................................................. 14figure 3-3 Remote unit, backside .............................................................................. 14figure 3-4 Remote unit, left side ................................................................................ 15figure 3-5 Remote unit, right side.............................................................................. 15figure 4-1 Tube installation........................................................................................ 18figure 4-2 Wall mounting........................................................................................... 19figure 4-3 Pole mounting kit ...................................................................................... 20figure 4-4 Pole mounting........................................................................................... 21figure 4-5 Mounting procedure for fan protection ...................................................... 22figure 4-6 Mounting aid brackets............................................................................... 23figure 4-7 Connector flange ...................................................................................... 25figure 4-8 Grounding bolt with loosened hex nut....................................................... 26figure 4-9 Grounding bolt, schematic view................................................................ 26figure 4-10 Tight kit ................................................................................................... 29figure 7-1 Fan unit assembly..................................................................................... 37figure 8-1 Installation drawing ................................................................................... 39table 1-1 List of international contact addresses....................................................... 10table 4-1 Specified torques ....................................................................................... 17table 6-1 LED alarms ................................................................................................ 33
User’s Manual for Remote UnitMMR8/19Page 6M0106A7E.docFor your notes
1 GeneralID No: 159967 Page 71. GENERAL1.1. USED ABBREVIATIONSALC Automatic Level ControlAMPS American Mobile Phone System or Advanced Mobile Phone SystemAPAC Automatic Power Adjustment CircuitBCCH Broadcast Control ChannelBITE Built In Test EquipmentBTS Base Transceiver StationCDMA Code Division Multiple AccessCEPT Conférénce Européenne des Postes et TélécommunicationsCF Center FrequencyCFO Center Frequency OffsetDL DownlinkEDGE Enhanced Data Rates for GSM EvolutionESD Electrostatic DischargeETACS Enhanced TACSETS European Telecommunication StandardETSI European Telecommunication Standards InstituteFSK Frequency Shift KeyingGSM Global System for Mobile CommunicationI2C-Bus Inter Integrated Circuit Bus (Philips)ID No Identification NumberIF Intermediate FrequencyLMT Local Maintenance TerminalMOR Mikom Optical Remote unitMS Mobile StationOMC Operation and Maintenance CenterPCMCIA Personal Computer Modem Communication International AssociationPCS Personal Communication SystemPSTN Public Switched Telephone NetworkRev RevisionRF Radio FrequencyRLP Radio Link ProtocolRSSI Receive Signal Strength IndicationRTC Real Time ClockRX ReceiverSCL Serial ClockSDA Serial DataTACS Total Access Communication SystemTCH Traffic ChannelTDMA Time Division Multiple AccessTX TransmitterUL UplinkUMTS Universal Mobile Telecommunication SystemUPS Uninterruptable Power SupplyVSWR Voltage Standing Wave Ratio
User’s Manual for Remote UnitMMR8/19Page 8M0106A7E.doc1.2. HEALTH AND SAFETY WARNINGS1. Only suitably qualified personnel is allowed to work on this unit and only afterbecoming familiar with all safety notices, installation, operation and maintenanceprocedures contained in this manual.2. Read and obey all the warning labels attached to the unit. Make sure that thewarning labels are kept in a legible condition and replace any missing ordamaged labels.3. Obey all general and regional installation and safety regulations relating to workon high voltage installations, as well as regulations covering correct use of toolsand personal protective equipment.4. Keep operating instructions within easy reach and make them available to allusers.5. It is the responsibility of the network provider to implement prevention measuresto avoid health hazards which may be associated to radiation from the antenna(s)connected to the unit.6. Make sure, access is restricted to qualified personnel.7. Use this equipment only for the purpose specified by the manufacturer. Do notcarry out any modifications or fit any spare parts which are not sold orrecommended by the manufacturer. This could cause fires, electric shock or otherinjuries.8. Due to power dissipation, the remote unit may reach a very high temperature.9. Before opening the unit or (dis-)connecting the mains connector at the remoteunit, ensure that mains supply is disconnected.10. ESD precautions must be observed! Before commencing maintenance work, usethe available grounding system to connect ESD protection measures.11. This unit complies with European standard EN60950.12. Make sure the system settings are according to the intended use (see alsoproduct information of manufacturer) and regulatory requirements are met.13. Although the remote unit is internally protected against overvoltage, it is stronglyrecommended to earth the antenna cables close to the remote unit’s antennaconnectors for protection against atmospheric discharge.14. Laser radiation – Class 1! Do not stare into the beam, do not view it directly orwith optical instruments.
1 GeneralID No: 159967 Page 91.3. PREAMBLEMikom An Andrew Company is a leading manufacturer of coverage equipment formobile radio networks, specializing in low cost, high performance, RF and opticalrepeaters. Our optical distributed networks and RF repeater systems providecoverage for every application: outdoor use, indoor installations, tunnels, subwaysand many more.Mikom has engineering and manufacturing facilities in Germany, Italy and the USA.In addition, it maintains many field engineering offices throughout the world.Mikom GmbH operates a quality management system which complies with therequirements of ISO 9001. All equipment is manufactured using only highly reliablematerials. In order to ensure constant first-rate quality of the products, acomprehensive quality assurance has been conducted at all fabrication stages. Everycomponent leaves the factory only after a thorough final acceptance test,accompanied by a test certificate guaranteeing optimal function.The declaration of conformity for the product is available on request via the localoffices or from Mikom directly.Any intervention must be carried out by authorized persons only. If technicalassistance for the product is required, please contact the local office or Mikomdirectly at one of the following addresses:Mikom GmbH An Andrew CompanyIndustriering 1086675 BuchdorfGermanyPhone: +49 (0) 9099 69 0Fax: +49 (0) 9099 69 930email: WIsupport.germany@andrew.comfor The Americas:Mikom US An Andrew CompanyPhone: +1 (919) 771-2570email: WIsupport.us@andrew.comWhen set-up is performed according to this manual, the system will operate withoutcomplications for a significant length of time.
User’s Manual for Remote UnitMMR8/19Page 10 M0106A7E.doc1.4. INTERNATIONAL CONTACT ADDRESSESin Australia6 Stuart StreetPadstow NSW 2211AustraliaPhone: +61 (2) 9774-4200Fax: +61 (2) 9774-4500email:WIsupport.australia@andrew.comin FranceZ.I. des Ebisoires78370 PlaisirFrancePhone: +33 (1)30-79-15-36Fax: +33 (1) 30-55-55-37email:WIsupport.france@andrew.comin the USA108 Rand Park DriveGarnerNC 27529USAPhone: +1 (919) 771-2570Fax: + 1 (919) 771-email:WIsupport.us@andrew.comin the UKGuildgate HousePelican LaneNewburyRG14 1NX, Berkshire, U.K.Phone: +44 (1635) 569-695Fax: +44 (1635) 569-463email:WIsupport.uk@andrew.comin ChinaGround Floor, Unit F, Tower 2The Astoria 198 Argle Street,Mau Tau Wai, KowloonHongkongPhone: +852 2778 3187Fax: +852 2778 3187email:WIsupport.china@andrew.comin Canada1815 Ironstone Manor, # 12Pickering, Ontario L1W 3W9CanadaPhone: +1 (905) 839-3474Fax: +1 (905) 839-4663email:WIsupport.canada@andrew.comin SwitzerlandTiergartenweg 14710 BalsthalSwitzerlandPhone: +41 (6238) 61260Fax: +41 (6238) 61261email:WIsupport.switzerland@andrew.comin ItalyVia De Crescenzi 4048018 FaenzaItalyPhone: +39 0546 697111Fax: +39 0546 682768email:WIsupport.italia@andrew.comin AustriaWeglgasse 102320 SchwechatAustriaPhone: +43 (1) 706 – 3999Fax: +43 (1) 706 – 39999email:WIsupport.austria@andrew.comin Czech RepublicU Morusi 888530 06 Pardubice-SvitkovCzech. RepublicPhone: +42 (0406) 301280Fax: +42 (0406) 301298email:WIsupport.czechrep@andrew.comtable 1-1 List of international contact addresses
2 IntroductionID No: 159967 Page 112. INTRODUCTION2.1. PURPOSECellular telephone systems transmit signals in two directions between basetransceiver station (BTS) and mobile stations (MS) within the signal coverage area.If weak signal transmissions occur within the coverage area because of indoorapplications, topological conditions or distance from the transmitter, extension of thetransmission range can be achieved by means of an optical distribution system.Such a system contains an optical master unit and several remote units. The numberof the remote units depends on the hardware and software configuration. The remoteunits are connected to the master unit with optical links. The optical loss must be lessthan 10 dB inclusive optical couplers or splitters.The master unit is the connection to the BTS. The configuration of a master unitdepends on the number of the remote units and the frequency range.The optical transmission uses WDM-systems with a wavelength of 1550 nm in theuplink and 1310 nm in the downlink.2.2. THE MMR8/19The fibre optic distribution system is designed for AMPS/PCS or iDEN/PCS services.Up to two bands can be transmitted. In future applications each fibre will be able toserve up to four remote units and to operate up to four providers. One master unitcan operate up to 124 remote units.An auto-levelling function for compensating different fibre losses and acomprehensive supervision concept are implemented.The remote unit MMR8/19 is connected to a central master unit through optical fibrelines. Specific customer designs for lamp pole or wall mounting are available. Thus,the system provides many advantages in view of easy site acquisition.
User’s Manual for Remote UnitMMR8/19Page 12 M0106A7E.docFor your notes
3 Functional DescriptionID No: 159967 Page 133. FUNCTIONAL DESCRIPTION3.1. GENERALThe following figure shows the configuration of a MMR8/19 remote unit.figure 3-1 Configuration of a MMR8/19 remote unit
User’s Manual for Remote UnitMMR8/19Page 14 M0106A7E.doc3.2. COMPONENTS OF THE MMR8/19 REMOTE UNITThe actual configuration of the remote unit can be seen at the configuration list whichis part of the delivery.3.2.1. Components Inside the UnitThe following figures show exemplary views of an MMR8/19 remote unit – except forthe fan housing without cover – to illustrate the individual components.figure 3-2 Remote unit, front view figure 3-3 Remote unit, backsideAir inletAir outletOptical moduleAmplifiersDistribution unitDuplexerPSU
3 Functional DescriptionID No: 159967 Page 15figure 3-4 Remote unit, left side figure 3-5 Remote unit, right sideAir inletFan housingOptical modulePSUAmplifiersDistribution unitDuplexerControl moduleAir outlet
User’s Manual for Remote UnitMMR8/19Page 16 M0106A7E.doc3.2.2. Fan Protection KitIn order to protect the fan unit (e.g. against rain), a protective cover to be mountedover the air inlet is delivered for standalone pole or wall mounted units. For insidepole mounting this equipment is not required.For more details see chapter 4.1.4 Mounting of Fan Protection.3.2.3. AccessoriesFor the accessories available for the MMR remote unit, e.g. overcoat housing,connecting box or iso-trafo kit, a separate manual is available.
4 InstallationID No: 159967 Page 174. INSTALLATION4.1. MECHANICAL INSTALLATION4.1.1. GeneralRead the health and safety warnings in chapter 1.2 Health and Safety Warnings.1. Do not install the unit in a way or at a place where the specificationsoutlined in the Environmental and Safety Specifications leaflet of Mikom arenot met.2. It is strongly recommended to install the unit vertically with the fan unit atthe top. If a different installation of the remote unit is required, pleasecontact customer service for further information.3. It is recommended only to use the mounting hardware delivered by Mikom.If different mounting hardware is used, the specifications for stationary useof the remote unit must not be exceeded.F Note: Exceeding the specified load limits may cause the loss of warranty!4. The unit is considerably heavy. Make sure that a suitable mountingsurface is used. Ensure there is adequate manpower to handle the weight ofthe system.5. Due to power dissipation, the remote unit may reach a very hightemperature. Ensure sufficient airflow for ventilation as specified in theindividual mounting procedures.If any different or additional mounting material is used, ensure that the mountingremains as safe as the mounting designed by Mikom. Ensure that the static anddynamic strengths are adequate for the environmental conditions of the site. Themounting itself must not vibrate, swing or move in any way that might cause damageto the remote unit.Specified torques have to be observed for certain mounting procedures according tothe following table:Type Tallow-dropscrews Hexnuts Spacing bolts PG(plastic) PG(aluminium)Thread M 4 M 8 M 4 M 8 PG 13,5 PG 29Specifiedtorques 3.3 Nm 27 Nm 2.3 Nm 27 Nm 3.75 Nm 10 Nmtable 4-1 Specified torques
User’s Manual for Remote UnitMMR8/19Page 18 M0106A7E.docF Note: To avoid damage when mounting the unit, always make sure thatthe M8 washers (DIN9021 or DIN125 depending on the mounting kit)are placed behind and in front of the unit’s mounting drillings.For the installation of the protective tube that is delivered with the MMR remote unitfor the protection of the fibre-optic cables, observe that a section of at least 250 mmat the tube end has to point downwards as illustrated below.figure 4-1 Tube installationThe mounting procedures for a stand alone remote unit without optional accessoriesare described and illustrated in the following sections. For further informationregarding special mounting procedures including mounting of accessory equipment,please see separate manual.
4 InstallationID No: 159967 Page 194.1.2. Wall Mounting Procedure• Check the suitability of the wall mounting kit and the wall.F Note: To ensure sufficient airflow when mounting the unit in enclosedspaces, two lid openings (one for the air inlet and the other for theair outlet) have to be provided. The size of each opening must equalat least 12x12 cm (144 cm2). Also, make sure there is no thermalshort circuit between the air inlet and air outlet.• Mark the position of the drillingholes (for measurements refer tofigure 4-2 Wall mounting). Drillfour holes at the marked positionsand insert dowels*.• Use a cap nut or locknut to screwthe four dowel screws into thedowels and put the distance tubesover the screws.• Hang the mounting brackets of theremote unit into the screws, andfasten them immediately using thewashers and nuts.• Ensure that there is free access tothe electrical connections as wellas to the cabinet. The approvedbending radius of the connectedcables must not be exceeded.figure 4-2 Wall mounting* The dowels are not part of the delivery since the suitable type depends on the on-site conditions(material of wall). Therefore, use dowels that are appropriate for the mounting surface.
User’s Manual for Remote UnitMMR8/19Page 20 M0106A7E.doc4.1.3. Outside Pole Mounting ProcedureStandard mounting hardware can not be used to mount the remote unit to a pole, acolumn or other similar structures. Additional hardware must be used for this type ofinstallation. Such a pole mounting kit could include two threaded rods M8, two U-beams and mounting material like bolts and nuts.F Note: To ensure sufficient airflow a distance of at least 50mm has to beobserved. Do not block the airflow by installing other devices at anearer distance to the unit.figure 4-3 Pole mounting kit• Use the screw bands to fasten the two U-beams to the pole as illustrated in figure4-4 Pole mounting.F Note: When fastening the U-beams make sure that they are installedcongruently and not at an angle to each other. To determine thedistance between the beams refer to figure 4-2 Wall mounting formeasurements.
4 InstallationID No: 159967 Page 21Nut M8 DIN 934figure 4-4 Pole mounting.• Hang the mounting brackets of the remote unit into the threaded bolts of the U-beam, and fasten them immediately using the washers and nuts.Ensure that there is free access to the electrical connections as well as to thecabinet. The approved bending radius of the connected cables must not beexceeded.4.1.4. Mounting of Fan ProtectionSince the fan protection is required for the outdoor usage of a stand alone remoteunit, the mounting of this optional equipment is also described in this manual.• To install the protective cover of the fan protection kit, first unscrew the fourscrews with the respective lock washers from the cover of the remote unit’s airinlet, and instead, screw in the four spacing bolts M4.0x30 with the four lockwashers M4.0 DIN125 that are part of the fan protection kit.• Place the protective cover into the right position by fitting its four bore holes overthe spacing bolts and fasten it using the original lock washers and screws of theremote unit. (These lock washers and screws are also part of the fan protectionkit and can be used as spare parts in case of loss.)Optical remote unit
User’s Manual for Remote UnitMMR8/19Page 22 M0106A7E.docfigure 4-5 Mounting procedure for fan protection4.1.5. Suggestion for an Inside Pole Mounting ProcedureFor inside pole mounting a mounting aid is provided as support. Additionally to thematerial delivered by Mikom, eight M8 washers DIN9021 are required to be put ontothe spacing bolts inside the pole behind and in front of the unit’s mounting drillings.To mount the unit inside a pole, proceed as follows:• Fix the strap with the ratchet around the pole so that the ratchet is located abovethe opening into which the unit is to be installed and fasten the strap tight.• The backside of the unit is provided on top and bottom with drillings for mounting.Use the drillings on top to hang the remote unit into the mounting studs of theratchet.
4 InstallationID No: 159967 Page 23figure 4-6 Mounting aid brackets• Carry out all connection procedures at the connector flange described in chapter4.2 Electrical Installation.• Put four of the M8 washers DIN9021 over the spacing bolts inside the pole.• Lead the unit inside the opening of the pole by pulling the ratchet downwards anddetach the unit from the mounting studs of the ratchet to insert it completely intothe pole fitting the mounting drillings on top and bottom onto the four spacingbolts (M8 thread) inside the pole.• Push the unit in completely till it hits the backstop. Since the drillings aresomewhat higher than the spacing bolts the vertical position of the unit is slightlyadjustable. Then, put the remaining M8 washers DIN9021 over the spacing bolts.• Fasten the unit with the washers to the spacing bolts using appropriate tools andmaterial.F Note: To ensure sufficient airflow, two lid openings (one for the air inletand the other for the air outlet) with a size of at least 144 cm² haveto be provided. Also, make sure there is no thermal short circuitbetween the air inlet and air outlet.
User’s Manual for Remote UnitMMR8/19Page 24 M0106A7E.doc4.2. ELECTRICAL INSTALLATION4.2.1. GeneralRead the health and safety warnings in chapter 1.2 Health and Safety Warnings.1. This unit contains dangerous voltages. Loss of life, severe personal injury orproperty damage can be the result if the instructions contained in this manual arenot followed.2. It is compulsory to ground the unit before connecting power supply. A groundingbolt is provided on the cabinet to connect the ground bonding cable.3. Although the remote unit is internally protected against overvoltage, it is stronglyrecommended to earth the antenna cables close to the remote unit’s antennaconnectors for protection against atmospheric discharge. In areas with stronglightning it is strongly recommended to insert additional lightning protection.4. If the mains connector of the remote unit is not easily accessible, a separationdevice in the mains circuit must be provided within easy reach.5. Before connecting or disconnecting the mains connector at the remote unit,ensure that mains supply is disconnected.6. Make sure that an appropriate circuit breaker and an overcurrent limiting deviceare connected between mains and remote unit.7. A connection of mains supply to a power socket requires the power socket to benearby the remote unit.8. The remote unit might be supplied from IT mains. (The maximum nominal line toline voltage must not exceed 400VAC).9. Incorrectly wired connections can destroy electrical and electronic components.10. To avoid corrosion at the connectors caused by electrochemical processes, thematerial of the cable connectors must not cause a higher potential difference than0.6V (see electrochemical contact series).11. It is sufficient to tighten the N antenna connector hand-screwed. Any use of a tool(e.g. pair of pliers) might cause damage to the connector and thus lead tomalfunctioning of the remote unit.12. For unstabilized electric networks which frequently generate spikes, it is advisedto use a voltage limiting device.13. Observe the labels on the front panels before connecting or disconnecting anycables.
4 InstallationID No: 159967 Page 254.2.2. Connectionsfigure 4-7 Connector flangeOpticalfibreconnectorN-connectorGroundingbolt
User’s Manual for Remote UnitMMR8/19Page 26 M0106A7E.doc4.2.3. GroundingGrounding must be carried out. Connect an earth bonding cable to the groundingconnection provided at the outside of the remote unit (see figure 4-7 Connectorflange). Do not use the grounding connection to connect external devices.figure 4-8 Grounding bolt with loosened hex nutAfter loosening the hex nut, connect the earth bonding cable between the twowashers as illustrated in the figures above and below. Then, fasten all parts againwith the hex nut.figure 4-9 Grounding bolt, schematic view
4 InstallationID No: 159967 Page 274.2.4. Power ConnectionF Note: Do not connect the power cord at the mains connector (see figure4-7 Connector flange) while power is applied, i. e. interrupt mainssupply before connecting the power cord at the remote unit. Then,engage mains again.Before connecting electrical power to the remote unit, the remote unit must begrounded.For power supply connection a minimum cross section of 1.5 mm2for each wire has to be observed as well as the applicable nationalregulations regarding loop impedance, voltage drop and methodsof installation. Ensure to connect to the right voltage.The correct wiring of the power supply plug is as follows:4.2.5. Connection of the Antenna CablesThe remote unit has a N-type antenna connector. For its location please refer tofigure 4-7 Connector flange. For mounting the cable connectors, it is recommendedto refer to the corresponding documentation of the connector manufacturer. Thebending radius of the antenna cables must remain within the given specifications.For the selection of cable and antenna it should be considered that a cable withhigher loss is less expensive but on the other hand it impairs performance.It is sufficient to tighten the N connectors hand-tight. The use of atool (like pliers) may cause damage to the connector andtherefore, lead to a malfunctioning of the remote unit.
User’s Manual for Remote UnitMMR8/19Page 28 M0106A7E.doc4.2.6. Optical Fibre Cable ConnectionOptical signals are transmitted by use of an optical fibre for each remote unit.F Note: Care should be taken when connecting and disconnecting fibreoptic cables. Scratches and dust significantly affect systemperformance and may permanently damage the connector. Alwaysuse protective caps on fibre optic connectors not in use.In general optical fibres do not need special protective measures. However,protection against environmental influences e.g. rodents and humidity must beconsidered.The optical fibre is a single mode fibre. Type is E9/125µm with the following minimumrequirements.Attenuation: <0.36 dB/km @ 1310 nm /<0.26 dB/km @ 1550 nmDispersion: <3.5 ps/nm km @ 1310 nm /<18.0 ps/nm km @ 1550 nmThe specified bending radius of the optical fibres must not be exceeded. The pigtailsfor the connection between master unit and remote unit must have a sufficient length.A protection for the feeding into units must be given. The system attenuation of theoptical fibres, including the connectors, must not exceed 10 dB.System attenuation and attenuation of optical components must be determined. Thiscan be achieved by measuring attenuation and reflection with an appropriatemeasuring instrument. For pigtails, a total value of < 0.4 dB (measured to a referenceplug) can be assumed due to the dead zone of the reflectometer. Thesemeasurements must be made with a sufficient length of optical fibre, at the In- andOutput of the device which has to be measured.Fibre cable connectors have to be of the same type (E2000/APC8°) as the connec-tors used for the unit. The fibre optic cables are connected to the optical transceiver.F Note: Angled connectors are not compatible with straight opticalconnectors; non-compatibility of connectors will result inpermanent damage to both connectors.Before connecting the fibre cables, follow the procedure below to ensure optimizedperformance. It is important that these procedures are carried out with care:Ø Remove fibre optic protective caps.Ø Do not bend the fibre optic cable in a tight radius (< 4 cm) as this may causecable damage and interrupt transmission.
4 InstallationID No: 159967 Page 29Ø Using high-grade alcohol and lint-free cotton cleaning swabs, clean the end ofthe fibre optic cable that will be inserted in the optical connectors on the donorinterface box.Ø Blow out the laser receptacle with clean and dry compressed air to removeany particulate matter.Ø Connect the fibre optic cables by inserting the cable end into the laserreceptacle and aligning the key (on the cable end) with the keyed slot.Ø Do not use any index matching gels or fluids of any kind in these connectors.Gels are intended for laboratory use and attract dirt in the field.F Note: If the unit is mounted inside a pole (see separate description) thefollowing procedure has to be strictly observed:G0946MCfigure 4-10 Tight kit
User’s Manual for Remote UnitMMR8/19Page 30 M0106A7E.doc1. Remove the PG29 nut and the sealing washer.2. Connect the optical fibre cable.3. Screw the sleeve onto the flange.4. Lay the fibre cable into the groove beside the round bar in one half of the split-seal. à Ensure that in both halves the grooves for the fibre cable are filled withvaseline.5. Press the seal into the PG sleeve while holding the optical fibre straight.6. Screw the PG13.5 nut tightly onto the PG13.5.
5 CommissioningID No: 159967 Page 315. COMMISSIONING5.1. GENERALRead the health and safety warnings in chapter 1.2 Health and Safety Warnings aswell as the description carefully to avoid mistakes and proceed step by step asdescribed!Ø Do not operate the remote unit without termination of the antenna connections!The termination can be achieved by connecting the antennas, a dummy loador the 50-Ohm-terminated connection of a measuring instrument.Ø To ensure safety, the electrical and subsequent installations, commissioningand maintenance activities that require the unit to be under power while open,must only be carried out by suitably qualified personnel.Ø When opening the remote unit, do not damage the seals on the devices insidethe remote unit. Warranty void if the seals are broken!Ø To query the status, the remote unit can be accessed remotely via a masterunit.Ø Since the system provides an auto-levelling and auto-setup function, no furthersettings are necessary at the remote unit itself. All other settings are requiredat the master unit and are explained in the corresponding documentation.5.2. AUTO-LEVELLINGIn order for the auto-levelling function to operate properly, a defined level has to beset at the optical interface (DL) of the master unit. For details refer to the descriptionof the master unit.5.3. REMOTE OPERATIONFor details refer to the descriptions of the master unit and corresponding software.
User’s Manual for Remote UnitMMR8/19Page 32 M0106A7E.docFor your notes
6 AlarmsID No: 159967 Page 336. ALARMS6.1. BITE AND ALARMSThe Built-In Test concept comprises the monitoring of the power supplies, the poweramplifiers and the optical interface.All occurring alarms can be checked via software at the master unit.6.2. HANDLING OF ALARMSAs soon as the software acknowledges a valid alarm, a message is transmitted to themaster unit.If the reason for the alarm has been cleared or if the alarm should continue, a newalarm message will not be repeated. If there was an interruption of at least onesecond after acknowledgement, a new alarm message will be generated.6.3. STATUS REPORTFor details refer to the corresponding software documentation, which is part of the“System Description for the MMR Optical Master Unit”.6.4. LED ALARMSThe LED on the connector flange of the remote unit indicates the following alarms:LED Indication AlarmsGreen No alarm à Status okAlarms not related to RU:Orange • External alarms• Optical alarm Rx• all ALC alarmsAlarms related to RU:Red • Power 28V• Power 12V• Temperature• Fan• I²C• Optical alarm Tx• Amplifier “Power Down”LED off No powertable 6-1 LED alarmsFor the position of the LED see figure 4-7 Connector flange.
User’s Manual for Remote UnitMMR8/19Page 34 M0106A7E.doc6.5. ALARM LISTThe status of the remote unit can be checked via software commands.Alarm message FailureOpt. Rx alarmOpt. Tx alarm Opt. Rx failure (no input)Opt. Tx failureAutolevelling Optical loss has changedAmplifier current DL1Amplifier current DL2Amplifier current DL3 Amplifier current too high or too lowALC alarm DLALC alarm UL Output power too highInput power too highTemperature alarm Temperature out of rangeI2C bus failure Internal communication bus failurePSU 12 VPSU 28 VPSU mainsPower supply 12V failurePower supply 28V failurePower supply mains failureFAN FAN out of orderExternal alarm 1External alarm 2External alarm 3External alarm 4Option for supervision of external components
7 MaintenanceID No: 159967 Page 357. MAINTENANCE7.1. GENERALRead the health and safety warnings in chapter 1.2 Health and Safety Warnings.F Note: The remote unit does not require preventative maintenancemeasures.F Note: To prevent malfunctions of the cooling system due to dirt orpollution, it is recommended to clean the heat sink at regularintervals. These cleaning intervals depend mainly on the locationof the remote unit and the corresponding degree of pollution.Maintenance on the remote unit shall be performed by replacing only componentsthat are contained in this chapter. In order to maintain warranty, take care not todamage unintentionally the seals on the modules.The spare parts list, consequently, contains only units which can be replaced withouttuning or soldering work. Those units are all Mikom parts as well as internal andexternal cables.F Note: Defect parts should only be replaced by original parts from Mikom.All interventions inside the housing are at one’s own risk.F Note: During maintenance ensure that the remote unit has beendisconnected from mains.F Note: Before disconnecting any cables, label any unlabeled cables toensure correct connection.For most maintenance procedures appropriate tools are required to ensure correcthandling. All these tools can be ordered from Mikom. For screwing proceduresobserve that all our screws have a right-hand thread, i. e. for fastening the screwsturn the tool clockwise and for unscrewing them turn it counter-clockwise.Due to the design of the remote unit the only component recommended to bereplaced is the fan unit. For replacing any other component please contact Mikom.
User’s Manual for Remote UnitMMR8/19Page 36 M0106A7E.doc7.2. REPLACING THE FAN UNITReplacement of the fan unit is not required as a preventative measure. Only if analarm indicates a malfunctioning of a fan, the unit has to be exchanged.F Note: Please observe that the fan unit can only be replaced as a whole.Do not remove the fans separately.Read the health and safety warnings in chapter 1.2 Health and Safety Warnings aswell as the instructions in chapter 7.1 General before starting with the replacementprocedure. Then, proceed as follows:1. Loosen the four tallow-drop screwsM4x8 by which the fan plate isscrewed to the cabinet. Remove thefour screws and the correspondingwashers.2. Remove the fan plate with the fan unit– by putting slight pressure on the fanplate cover – to a position that allowsaccess to the fan connector and theearth bonding cable.3. Unscrew the fan connector anddisconnect the earth bonding cable.F Note: To observe the specified torque of 650 Ncm for an M5 thread, usean appropriate tool for the following screwing procedures.4. To remove the fan plate, loosen the M5 nut (as shown in figure 7-1 Fan unitassembly) as well as the corresponding contact washers and flat-plug. Then,loosen the eight tallow-drop screws by which the fan unit is screwed to the fanplate (seven screws M5x14 and one M5x20).F Note: Do not unscrew the screws completely. Only loosen them till thefan unit can be taken off.Fan unit connectorEarth bonding cable
7 MaintenanceID No: 159967 Page 375. To mount the new fan unit, position it correctly and screw it to the fan plate withthe seven tallow-drop screws M5x14 and the one tallow-drop screw M5x20.Fasten this screw again with the M5 nut.G0946M2figure 7-1 Fan unit assembly6. Reconnect the earth bonding cable and the fan connector (see step 3). Then,place the fan plate back into its original position and fix it tight as shown below.7. Screw the whole fan unit to the cabinet with the four tallow-drop screws M4x8(see step 1). In order not to exceed the specified torque of 330 Ncm use anappropriate tool.
User’s Manual for Remote UnitMMR8/19Page 38 M0106A7E.doc7.3. CLEANING THE HEAT SINKF Note: Read the health and safety warnings in chapter 1.2 Health andSafety Warnings as well as the instructions in chapter 7.1 Generalbefore starting with the replacement procedure. Then, proceed asfollows:1. Switch off the remote unit. Make sure that mains is disconnected for the followingprocedure.3. Use compressed air (max. 5 bar) toblow out the heat sink from back tofront:2. Remove the fan plate with the fan unitfrom the remote unit as described inchapter 7.2 Replacing the Fan Unit,steps 1 and 2:4. In case the dirt cannot be blown outcompletely but part of it sticks to theribs of the heat sink, clean theconcerned parts carefully from thefront using e.g. a brush. Take carethat the material is not scratched ordamaged.5. After cleaning the heat sink mount the fan unit again according to chapter 7.2Replacing the Fan Unit, steps 6 and 7. Then, switch the remote unit back on.Compressed air(5 bar max.)Brush (not metallic)
8 AppendixID No: 159967 Page 398. APPENDIX8.1. ILLUSTRATIONSfigure 8-1 Installation drawing
User’s Manual for Remote UnitMMR8/19Page 40 M0106A7E.doc8.2. SPECIFICATIONS8.2.1. Mechanical SpecificationsHeight (max.): 32.8” (83.2 cm)Width (max.): 6.2” (15.7 cm)Dimensions *Depth (max.): 5.8” (14.8 cm)Weight ~ 40 lbs (20 kg)Mounting** ⇒ Do not block air in- and outlet!⇒ Vertical mounting compulsory* With mounting brackets, without connectors** To ensure sufficient airflow when mounting the unit in enclosed spaces, two lid openings (one forthe air inlet and the other for the air outlet) have to be provided. The size of each opening must equalat least 12x12 cm (144 cm2). Also, make sure there is no thermal short circuit between the air inlet andair outlet.All data is subject to change without notice!8.2.2. Optical and Interface SpecificationsNumber of connectors per band 2 for IDEN/AMPS4 for PCSBTSinterfaces Input power +33 dBm typ. (up to +46 dBm withUL performance degradation)Connector N femaleOutput power see band specificationAntenna portReturn loss 15 dB typ. / 12 dB min.Connectors E2000/APC 8°Tx output power (optical) 0 to 7 dBm opticalTx input power (RF) 0 dBm max. compositeRx input power (optical) +7 dBm max.Optical link budget 0 to 10 dB opticalOptical return loss 45 dB min.Optical linkFibre type Single mode 9/125 µmAll data is subject to change without notice!8.2.3. Electrical SpecificationsMMR8/19*Mains power 115 V AC; 230 V AC or 48 V DCAC power Power consumption 400 W
8 AppendixID No: 159967 Page 41800 MHZ sectionFrequency range 869 - 894 MHz (AMPS) or851 - 869 MHz (LMR)RF output power (per carrier) Analogue TDMA CDMA iDEN⇒ 2 carriers +40 dBm +37 dBm +34 dBm +34 dBm⇒ 4 carriers +36 dBm +32 dBm +31 dBm +31 dBm⇒ 8 carriers +32 dBm +29 dBm +28 dBm +28 dBm⇒ 16 carriers +30 dBm +26 dBm +25 dBm +25 dBm⇒ 32 carriers (CDMA 20 carriers) +26 dBm +23 dBm +24 dBm +22 dBmSpurious emissions < -13 dBmDL output tolerance over frequency ±1.0 dBDLDL output tolerance over temp. ±1.5 dBFrequency range 824 - 849 MHz (AMPS) or806 - 824 MHz (LMR)IICP3 optimized NF optimizedInput ICP3 1.5 dBm -9 dBmNoise figure 13.5 dB 5.5 dB typicalULGain 2 dB 16 dB1900 MHZ sectionFrequency range 1930 – 1990 MHzRF output power (per carrier) GSM TDMA CDMA⇒ 2 Carriers +39 dBm +36 dBm +33 dBm⇒ 4 Carriers +35 dBm +31 dBm +30 dBm⇒ 8 Carriers +31 dBm +28 dBm +27 dBm⇒ 16 Carriers +28 dBm +25 dBm +24 dBm⇒ 32 Carriers +25 dBm +22 dBm +21 dBmSpurious emissions < -13 dBmDL output tolerance over frequency ±1.0 dBDLDL output tolerance over temp: ±1.5 dBFrequency range 1850 - 1910 MHzIICP3 optimized NF optimizedInput ICP3 1 dBm -11 dBmNoise figure 14 dB 5.5 dB typicalULGain 2 dB 16 dB* All data are valid for systems in a thermally steady state; i.e. after approx. 40 min of operation.All data is subject to change without notice!
User’s Manual for Remote UnitMMR8/19Page 42 M0106A7E.doc8.2.4. Environmental and Safety SpecificationsEnvironmental andsafetyFor detailed information, refer to the Environmental and SafetySpecifications leaflet for Mikom indoor/outdoor cell enhancers,related to ETS 300 019 (European TelecommunicationStandard).Operatingtemperature range -33°C to +40°C (+50°C with degradation)Accoustic noise <49dB(A) (@+30°C) sound pressure levelIngress protection RF partFan with cover IP67IP55All data is subject to change without notice!8.3. SPARE PARTSThe following lists contains all parts available for the remote unit. The configuration ofthe delivered unit meets the requirements of the customer and can differ dependingon the state of the delivery.Spare Parts List for Remote Unit MMR8/19Designation: ID No:MMR8/19 159207Connecting Box Kit Pole Mounting 159612Connecting Box Kit Wall Mounting 159613Connecting Box Kit w/o Mounting Kit 158313Fan Tray Kit 157622Overcoat Housing Kit Pole Mounting 159624Overcoat Housing Kit Wall Mounting 159625Overcoat Housing w/o Mounting Kit 158384User’s Manual for Optical Remote Unit MMR8/19 159967Mikom reserves the right to replace the spare parts listed above by equivalentsubstitutes!
9 IndexID No: 159967 Page 439. INDEXAAbbreviations .......................................... 7Address of Mikom ................................... 9Alarm List.............................................. 34AlarmsBite and Alarms....................................... 33Handling of Alarms.................................. 33LED ........................................................ 33Status Report.......................................... 33Appendix............................................... 39BBlock Diagram....................................... 13CCleaning the Heat Sink ......................... 38Commissioning ..................................... 31ComponentsAccessories ............................................ 16Fan Protection Kit ................................... 16Interior .................................................... 14Connections.......................................... 25Antenna .................................................. 27Optical Fibre Cable ................................. 28Power ..................................................... 27GGrounding ............................................. 26HHealth and Safety Warnings.................... 8IIllustrations ............................................39InstallationElectrical................................................. 24Mechanical ............................................. 17International Contact Addresses............10LLevelling ................................................31MMaintenance..........................................35MountingAid Brackets............................................ 22Fan Protection ........................................ 21Inside Pole.............................................. 22Pole (outside).......................................... 20Wall ........................................................ 19PPreamble.................................................9RRemote Operation .................................31Replacement of Fan Unit.......................36SSpare Parts ...........................................42SpecificationsElectrical................................................. 40Environmental and Safety ....................... 42Interface ................................................. 40Mechanical ............................................. 40Optical .................................................... 40

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