Huawei Technologies RRU3804B2 Distributed NodeB Remote Radio Unit User Manual User Guide

Huawei Technologies Co.,Ltd Distributed NodeB Remote Radio Unit User Guide

User Manual

RRUV200R001User GuideIssue 01Date 2008-04-18Part Number 00394301Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For anyassistance, please contact our local office or company headquarters. Huawei Technologies Co., Ltd.Address: Huawei Industrial BaseBantian, LonggangShenzhen 518129People's Republic of ChinaWebsite: http://www.huawei.comEmail: support@huawei.com Copyright © Huawei Technologies Co., Ltd. 2008. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are the property of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respective holders. NoticeThe information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but the statements, information, andrecommendations in this document do not constitute a warranty of any kind, express or implied.Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd
ContentsAbout This Document.....................................................................................................................11 Safety Information.....................................................................................................................1-11.1 Safety Precautions...........................................................................................................................................1-11.2 Electricity Safety.............................................................................................................................................1-31.3 Inflammable Environment...............................................................................................................................1-51.4 Battery.............................................................................................................................................................1-51.5 Radiation.........................................................................................................................................................1-71.6 Working at Heights.........................................................................................................................................1-91.7 Mechanical Safety.........................................................................................................................................1-111.8 Others............................................................................................................................................................1-122 RRU and SRXU Hardware........................................................................................................2-12.1 RRU Equipment..............................................................................................................................................2-22.1.1 Appearance of the RRU.........................................................................................................................2-22.1.2 LEDs on the RRU..................................................................................................................................2-32.1.3 Panels of the RRU..................................................................................................................................2-42.2 SRXU Equipment............................................................................................................................................2-62.2.1 Appearance of the SRXU.......................................................................................................................2-72.2.2 LEDs on the SRXU................................................................................................................................2-72.2.3 Panels of the SRXU................................................................................................................................2-82.3 RRU Cables...................................................................................................................................................2-102.3.1 PGND cable of the RRU......................................................................................................................2-112.3.2 Power Cable of the RRU......................................................................................................................2-112.3.3 CPRI Optical Cable..............................................................................................................................2-122.3.4 AISG Multi-Wire Cable of the RRU/SRXU........................................................................................2-132.3.5 AISG Extension Cable of the RRU/SRXU..........................................................................................2-142.3.6 RF Jumper of the RRU/SRXU.............................................................................................................2-152.3.7 Alarm Cable of the RRU......................................................................................................................2-182.4 SRXU Cables................................................................................................................................................2-192.4.1 PGND Cable of the SRXU...................................................................................................................2-202.4.2 Power Cable of the SRXU...................................................................................................................2-202.4.3 AISG Multi-Wire Cable of the RRU/SRXU........................................................................................2-212.4.4 AISG Extension Cable of the RRU/SRXU..........................................................................................2-22RRUUser Guide ContentsIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltdi
2.4.5 CPRI Optical Cable..............................................................................................................................2-232.4.6 RF Jumper of the RRU/SRXU.............................................................................................................2-243 Installing RRU and SRXU Hardware.....................................................................................3-13.1 Information About the Installation..................................................................................................................3-33.1.1 Installation Modes of the RRU and SRXU............................................................................................3-33.1.2 Space Requirements of the RRU and SRXU.........................................................................................3-73.1.3 Cabling Specifications for the NodeB..................................................................................................3-113.1.4 Requirements for the RRU Cabling on a Tower..................................................................................3-133.1.5 Connections of RRU and SRXU Cables..............................................................................................3-193.1.6 Labels for DBS3836 Cables.................................................................................................................3-233.2 Procedure for Installing the RRU and SRXU...............................................................................................3-263.3 Preparing for the NodeB Installation............................................................................................................3-273.3.1 Unpacking Inspection for the NodeB...................................................................................................3-273.3.2 Tools and Instruments for NodeB Installation.....................................................................................3-293.4 Installing the RRU on the Ground or Rooftop..............................................................................................3-303.4.1 Installing a Single RRU........................................................................................................................3-303.4.2 Install Two RRUs.................................................................................................................................3-423.4.3 Install Three RRUs...............................................................................................................................3-573.5 Installing the RRU on the Tower..................................................................................................................3-753.5.1 Assembling the Parts of the RRU........................................................................................................3-753.5.2 Lifting the Assembled RRU.................................................................................................................3-793.5.3 Installing the Assembled RRU on the Tower.......................................................................................3-803.6 Installing the SRXU......................................................................................................................................3-833.6.1 Installing the SRXU on a Single RRU.................................................................................................3-843.6.2 Installing the SRXUs on the Two RRUs..............................................................................................3-873.6.3 Installing the SRXUs on the Three RRUs............................................................................................3-943.7 Installing RRU and SRXU Cables................................................................................................................3-973.7.1 Installing the PGND Cable of the RRU/SRXU...................................................................................3-983.7.2 Installing the -48 V DC Power Cable of the RRU/SRXU.................................................................3-1003.7.3 Installing the RF Jumper of the RRU/SRXU.....................................................................................3-1063.7.4 Installing the CPRI Optical Cable of the RRU/SRXU.......................................................................3-1083.7.5 Installing the Alarm Cable of the RRU..............................................................................................3-1123.7.6 Installing the AISG Multi-Wire Cable of the RRU/SRXU................................................................3-1133.7.7 Installing the AISG Extension Cable of the RRU/SRXU..................................................................3-1143.7.8 Opening and Closing the Cover Plate of the RRU Cabling Cavity...................................................3-1143.7.9 Opening and Closing the Cover Plate of the SRXU Cabling Cavity.................................................3-1143.8 Powering On the RRU/SRXU.....................................................................................................................3-1143.9 Installing the Housing of the RRU and SRXU...........................................................................................3-1163.10 Checklists for Hardware Installation of Distributed NodeBs and Mini NodeBs......................................3-1174 Maintaining RRU and SRXU Hardware................................................................................4-14.1 Equipment Maintenance Items for the RRU/SRXU.......................................................................................4-24.2 Powering On/Off the RRU/SRXU..................................................................................................................4-2ContentsRRUUser Guideii Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
4.2.1 Powering On the RRU/SRXU................................................................................................................4-24.2.2 Powering Off the RRU/SRXU...............................................................................................................4-44.3 Replacing an RRU...........................................................................................................................................4-44.4 Replacing an SRXU........................................................................................................................................4-64.5 Replacing an Optical Module..........................................................................................................................4-8Index.................................................................................................................................................i-1RRUUser Guide ContentsIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltdiii
FiguresFigure 1-1 Wearing an ESD wrist strap...............................................................................................................1-5Figure 1-2 Lifting a weight................................................................................................................................1-10Figure 1-3 Slant angle........................................................................................................................................1-11Figure 1-4 One meter higher than the eave........................................................................................................1-11Figure 2-1 RRU....................................................................................................................................................2-2Figure 2-2 Panels of the RRU..............................................................................................................................2-5Figure 2-3 SRXU..................................................................................................................................................2-7Figure 2-4 Panels of the SRXU............................................................................................................................2-9Figure 2-5 PGND cable......................................................................................................................................2-11Figure 2-6 2-hole terminal..................................................................................................................................2-11Figure 2-7 –48 V DC power cable.....................................................................................................................2-12Figure 2-8 CPRI optical cable............................................................................................................................2-13Figure 2-9 AISG multi-wire cable......................................................................................................................2-14Figure 2-10 AISG extension cable.....................................................................................................................2-15Figure 2-11 Feeder jumper.................................................................................................................................2-16Figure 2-12 Interconnect jumper........................................................................................................................2-16Figure 2-13 Alarm cable.....................................................................................................................................2-18Figure 2-14 PGND cable....................................................................................................................................2-20Figure 2-15 2-hole terminal................................................................................................................................2-20Figure 2-16 DC power cable..............................................................................................................................2-20Figure 2-17 AISG multi-wire cable....................................................................................................................2-21Figure 2-18 AISG extension cable.....................................................................................................................2-22Figure 2-19 CPRI optical cable..........................................................................................................................2-23Figure 2-20 Feeder jumper.................................................................................................................................2-24Figure 2-21 Interconnect jumper........................................................................................................................2-25Figure 3-1 Installation modes of one RRU..........................................................................................................3-4Figure 3-2 Installation modes of one RRU and one SRXU.................................................................................3-4Figure 3-3 Installation modes of two RRUs.........................................................................................................3-5Figure 3-4 Installation modes of two RRUs and two SRXUs..............................................................................3-5Figure 3-5 Installation modes of three RRUs.......................................................................................................3-6Figure 3-6 Installation modes of three RRUs and three SRXUs..........................................................................3-7Figure 3-7 Recommended space requirements of one RRU with and without the SRXU (unit: mm)................3-8Figure 3-8 Minimal space requirements of one RRU with and without the SRXU (unit: mm)...........................3-9RRUUser Guide FiguresIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltdv
Figure 3-9 Space requirements of two combined RRUs (unit: mm)....................................................................3-9Figure 3-10 Recommended space requirements of multiple RRUs with and without the SRXUs (unit: mm).............................................................................................................................................................................3-10Figure 3-11 Minimal space requirements of multiple RRUs with and without the SRXUs (unit: mm)............3-11Figure 3-12 Scenario of RRU cabling on a tower..............................................................................................3-14Figure 3-13 PVC protection tube.......................................................................................................................3-15Figure 3-14 Installing the cable clip...................................................................................................................3-16Figure 3-15 Routing the cables in the cable rack...............................................................................................3-17Figure 3-16 Installing the cable clip on the tower..............................................................................................3-18Figure 3-17 Routing the cables in the cable rack...............................................................................................3-19Figure 3-18 Cable connections of one RRU without the SRXU........................................................................3-20Figure 3-19 Cable connections of one RRU with the SRXU.............................................................................3-21Figure 3-20 Cable connections of multiple RRUs without the SRXUs.............................................................3-22Figure 3-21 Cable connections of multiple RRUs with the SRXUs..................................................................3-22Figure 3-22 Label for the BBU power cable (unit: mm)....................................................................................3-23Figure 3-23 Label for the RRU power cable (unit: mm)....................................................................................3-23Figure 3-24 Label for the E1 cable (unit: mm)...................................................................................................3-24Figure 3-25 Label for the CPRI optical cable (unit: mm)..................................................................................3-24Figure 3-26 Label for the RRU alarm cable (unit: mm).....................................................................................3-25Figure 3-27 Label for the BBU alarm cable (unit: mm).....................................................................................3-25Figure 3-28 Leading cable ties through the holes..............................................................................................3-25Figure 3-29 Binding the label to the cable.........................................................................................................3-26Figure 3-30 Mounting the upper fixture assembly.............................................................................................3-31Figure 3-31 Holes in the fixture assembly.........................................................................................................3-31Figure 3-32 Measuring L1 and L2.....................................................................................................................3-32Figure 3-33 Holes in the multi-purpose attachment plate..................................................................................3-32Figure 3-34 Securing the multi-purpose attachment plate to the mounting plate..............................................3-33Figure 3-35 Installing the third pole fixture.......................................................................................................3-33Figure 3-36 Installing the mounting plate..........................................................................................................3-34Figure 3-37 Mounting the lower fixture assembly.............................................................................................3-35Figure 3-38 Installed expansion bolt assemblies and the RRU..........................................................................3-36Figure 3-39 Determining the anchor points.......................................................................................................3-36Figure 3-40 Drilling a hole and installing the expansion bolt assembly............................................................3-37Figure 3-41 Securing the mounting plate...........................................................................................................3-38Figure 3-42 Filling tube, insulating washer, and insulating block.....................................................................3-38Figure 3-43 One RRU in ordinary mode and the other in reverse mode...........................................................3-39Figure 3-44 Securing the attachment plate.........................................................................................................3-40Figure 3-45 Installing the module......................................................................................................................3-41Figure 3-46 Securing the module.......................................................................................................................3-42Figure 3-47 Top view of the two modules using the side-mounted installation method...................................3-43Figure 3-48 Top view of the two modules using the rear-mounted installation method...................................3-44Figure 3-49 Holes in the multi-purpose attachment plate..................................................................................3-44Figure 3-50 Securing the multi-purpose attachment plate to the bottom of the second mounting plate............3-44FiguresRRUUser Guidevi Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-51 Installing the second mounting plate..............................................................................................3-45Figure 3-52 Securing the second mounting plate to the first one.......................................................................3-46Figure 3-53 Installing the second mounting plate..............................................................................................3-47Figure 3-54 Securing the second mounting plate...............................................................................................3-47Figure 3-55 Holes in the multi-purpose attachment plate..................................................................................3-48Figure 3-56 Securing the multi-purpose attachment plate to the bottom of the second mounting plate............3-48Figure 3-57 Installing the second mounting plate..............................................................................................3-49Figure 3-58 Securing the second mounting plate to the first one.......................................................................3-50Figure 3-59 Removing the plastic housing.........................................................................................................3-51Figure 3-60 Installing the module in reverse mode in the housing....................................................................3-52Figure 3-61 Securing the attachment plate to the module that is in reverse mode.............................................3-52Figure 3-62 Installing the first module...............................................................................................................3-53Figure 3-63 Securing the first module................................................................................................................3-54Figure 3-64 Securing the attachment plate to the module that is in ordinary mode...........................................3-55Figure 3-65 Installing the second module..........................................................................................................3-55Figure 3-66 Securing the second module...........................................................................................................3-56Figure 3-67 Rear-mounted RRUs with the cabling cavities on the same side...................................................3-57Figure 3-68 Top view of the three modules using the side-mounted installation method.................................3-58Figure 3-69 Top view of the three modules using the hybrid installation method.............................................3-59Figure 3-70 Holes in the multi-purpose attachment plate..................................................................................3-59Figure 3-71 Securing the multi-purpose attachment plate to the bottom of the second mounting plate............3-60Figure 3-72 Installing the second mounting plate..............................................................................................3-60Figure 3-73 Securing the second mounting plate to the first one.......................................................................3-61Figure 3-74 Installing the third mounting plate..................................................................................................3-62Figure 3-75 Securing the third mounting plate to the first one..........................................................................3-63Figure 3-76 Holes in the multi-purpose attachment plate..................................................................................3-63Figure 3-77 Securing the multi-purpose attachment plate to the bottom of the second mounting plate............3-64Figure 3-78 Installing the second mounting plate..............................................................................................3-64Figure 3-79 Securing the second mounting plate to the first one.......................................................................3-65Figure 3-80 Installing the third mounting plate..................................................................................................3-66Figure 3-81 Securing the second mounting plate to the first one.......................................................................3-67Figure 3-82 Securing the attachment plate to the first module..........................................................................3-68Figure 3-83 Installing the first module...............................................................................................................3-69Figure 3-84 Securing the first module................................................................................................................3-70Figure 3-85 Removing the plastic housing.........................................................................................................3-70Figure 3-86 Installing the module in reverse mode in the housing....................................................................3-71Figure 3-87 Securing the attachment plate to the module that is in reverse mode.............................................3-71Figure 3-88 Installing the second module..........................................................................................................3-72Figure 3-89 Securing the second module...........................................................................................................3-73Figure 3-90 Installing the third module..............................................................................................................3-74Figure 3-91 Securing the third module...............................................................................................................3-75Figure 3-92 Holes in the multi-purpose attachment plate..................................................................................3-76RRUUser Guide FiguresIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltdvii
Figure 3-93 Securing the multi-purpose attachment plate.................................................................................3-76Figure 3-94 Installing a pole fixture...................................................................................................................3-77Figure 3-95 Securing the attachment plate.........................................................................................................3-77Figure 3-96 Assembling the module and mounting plate..................................................................................3-78Figure 3-97 Securing the module and mounting plate.......................................................................................3-79Figure 3-98 Assembled RRU tied with the rope................................................................................................3-79Figure 3-99 Mounting the upper fixture assembly.............................................................................................3-80Figure 3-100 Holes in the fixture assembly.......................................................................................................3-81Figure 3-101 Measuring L1 and L2...................................................................................................................3-81Figure 3-102 Installing the assembled RRU......................................................................................................3-82Figure 3-103 Mounting the lower fixture assembly...........................................................................................3-83Figure 3-104 SRXU installed on the single RRU..............................................................................................3-84Figure 3-105 Remove the plastic housing..........................................................................................................3-85Figure 3-106 Securing the connecting boards....................................................................................................3-85Figure 3-107 Securing the attachment plate to the SRXU.................................................................................3-86Figure 3-108 Installing the SRXU......................................................................................................................3-86Figure 3-109 Securing the SRXU......................................................................................................................3-87Figure 3-110 SRXUs installed on the two RRUs...............................................................................................3-88Figure 3-111 Remove the plastic housings........................................................................................................3-89Figure 3-112 Securing the connecting boards to the RRU module that is in ordinary mode.............................3-90Figure 3-113 Securing the attachment plate to one SRXU................................................................................3-90Figure 3-114 Installing the SRXU......................................................................................................................3-91Figure 3-115 Securing the SRXU......................................................................................................................3-92Figure 3-116 Remove the plastic housings........................................................................................................3-93Figure 3-117 SRXUs installed on the two rear-mounted RRUs........................................................................3-93Figure 3-118 SRXUs installed on the three RRUs.............................................................................................3-94Figure 3-119 Remove the plastic housings........................................................................................................3-95Figure 3-120 Securing the connecting boards....................................................................................................3-96Figure 3-121 Installing the third SRXU.............................................................................................................3-96Figure 3-122 Securing the third SRXU..............................................................................................................3-97Figure 3-123 Connecting the PGND cable (1)...................................................................................................3-98Figure 3-124 Connecting the OT terminal.........................................................................................................3-99Figure 3-125 Connecting the PGND cable (2)...................................................................................................3-99Figure 3-126 Cable trough for the PGND cable of the SRXU.........................................................................3-100Figure 3-127 Power cable with two OT terminals...........................................................................................3-101Figure 3-128 Determining lengths of power cable for different operation......................................................3-101Figure 3-129 Stripping the cable......................................................................................................................3-102Figure 3-130 Two OT terminals on the power cable.......................................................................................3-102Figure 3-131 Removing the jacket from the power cable................................................................................3-103Figure 3-132 Cable troughs in the cabling cavity............................................................................................3-103Figure 3-133 Opening the cover.......................................................................................................................3-104Figure 3-134 Shielding layer pressed by the strap...........................................................................................3-104FiguresRRUUser Guideviii Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-135 Twisting the shielding layer into one strand...............................................................................3-105Figure 3-136 Power cable with the heat-shrinkable tube.................................................................................3-105Figure 3-137 Waterproofed joints....................................................................................................................3-107Figure 3-138 CPRI_W port in the RRU cabling cavity...................................................................................3-109Figure 3-139 Strap and waterproof filler..........................................................................................................3-110Figure 3-140 CPRI_W port in the SRXU cabling cavity.................................................................................3-111Figure 3-141 Cable trough for the optical cable in the SRXU cabling cavity.................................................3-112Figure 3-142 Cable troughs in the cabling cavity............................................................................................3-113Figure 3-143 Installing the housing..................................................................................................................3-116Figure 3-144 Securing the housing..................................................................................................................3-117Figure 4-1 Removing the screws at the bottom of the mounting plate................................................................ 4-5Figure 4-2 Removing the screws at the bottom of the SRXU..............................................................................4-7RRUUser Guide FiguresIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltdix
TablesTable 2-1 LEDs on the RRU................................................................................................................................ 2-3Table 2-2 Ports and LEDs on the panels of the RRU...........................................................................................2-6Table 2-3 LEDs on the SRXU..............................................................................................................................2-7Table 2-4 Ports and LEDs on the panels of the SRXU......................................................................................2-10Table 2-5 Pin assignment for the wires of the –48 V DC power cable (North American Standard).................2-12Table 2-6 Pin assignment for the wires of the –48 V DC power cable (European Standard)............................2-12Table 2-7 Pin assignment for the fiber tails of the CPRI optical cable..............................................................2-13Table 2-8 Installation positions of the CPRI optical cable.................................................................................2-13Table 2-9 Pin assignment for the wires of the AISG multi-wire cable..............................................................2-14Table 2-10 Pin assignment for the wires of the AISG extension cable..............................................................2-15Table 2-11 RF jumper connections of the RRU.................................................................................................2-17Table 2-12 Pin assignment for the wires of the alarm cable...............................................................................2-19Table 2-13 Pin assignment for the wires of the DC power cable.......................................................................2-21Table 2-14 Pin assignment for the wires of the AISG multi-wire cable............................................................2-22Table 2-15 Pin assignment for the wires of the AISG extension cable..............................................................2-23Table 2-16 Pin assignment for the fiber tails of the CPRI optical cable............................................................2-24Table 2-17 Installation positions of the CPRI optical cable...............................................................................2-24Table 2-18 RF jumper connections of the RRU.................................................................................................2-25Table 3-1 Tools and instruments........................................................................................................................3-29Table 3-2 Connecting the antenna jumper to the appropriate RF port.............................................................3-106Table 3-3 LEDs on the RRU............................................................................................................................3-115Table 3-4 LEDs on the SRXU..........................................................................................................................3-115Table 3-5 Checklist for NodeB installation......................................................................................................3-117Table 3-6 Checklist for cable connections.......................................................................................................3-118Table 3-7 Checklist for power cable connections.............................................................................................3-119Table 3-8 Checklist for PGND cable connections............................................................................................3-119Table 3-9 Checklist for signal cable connections.............................................................................................3-120Table 4-1 Equipment maintenance items for the RRU/SRXU.............................................................................4-2Table 4-2 LEDs on the RRU................................................................................................................................ 4-3Table 4-3 LEDs on the SRXU..............................................................................................................................4-3RRUUser Guide TablesIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltdxi
About This DocumentPurposeThis document describes the RRU hardware and provides instructions in hardware installation,cable connections, hardware installation check, and hardware maintenance. This document isapplicable to RRU3804 and RRU3801E.Product VersionsThe following table lists the product versions related to this document.Product Name Product VersionRRU V100R009V100R010V200R001 Intended AudienceThis document is intended for:lNodeB installerslSystem engineerslSite maintenance engineersChange HistoryFor changes in the document, refer to Changes in RRU User Guide.Organization1 Safety Information2 RRU and SRXU HardwareThis describes the RRU equipment, SRXU equipment, and related cables.3 Installing RRU and SRXU HardwareRRUUser Guide About This DocumentIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1
This describes how to install the hardware, route the cables, and check the hardware installationof the RRU and SRXU.4 Maintaining RRU and SRXU HardwareAfter the RRU and SRXU are deployed, accepted, and put into use, routine maintenance isperformed to ensure the functionality of the modules.Conventions1. Symbol ConventionsThe following symbols may be found in this document. They are defined as followsSymbol DescriptionDANGERIndicates a hazard with a high level of risk that, if not avoided,will result in death or serious injury.WARNINGIndicates a hazard with a medium or low level of risk which, ifnot avoided, could result in minor or moderate injury.CAUTIONIndicates a potentially hazardous situation that, if not avoided,could cause equipment damage, data loss, and performancedegradation, or unexpected results.TIP Indicates a tip that may help you solve a problem or save yourtime.NOTE Provides additional information to emphasize or supplementimportant points of the main text.2. General ConventionsConvention DescriptionTimes New Roman Normal paragraphs are in Times New Roman.Boldface Names of files,directories,folders,and users are in boldface. Forexample,log in as user root .Italic Book titles are in italics.Courier New Terminal display is in Courier New.3. Command ConventionsConvention DescriptionBoldface The keywords of a command line are in boldface.Italic Command arguments are in italic.About This DocumentRRUUser Guide2 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Convention Description[ ] Items (keywords or arguments) in square brackets [ ] are optional.{x | y | ...} Alternative items are grouped in braces and separated by verticalbars.One is selected.[ x | y | ... ] Optional alternative items are grouped in square brackets andseparated by vertical bars.One or none is selected.{ x | y | ... } * Alternative items are grouped in braces and separated by verticalbars.A minimum of one or a maximum of all can be selected.[ x | y | ... ] * Alternative items are grouped in braces and separated by verticalbars.A minimum of zero or a maximum of all can be selected.4. GUI ConventionsConvention DescriptionBoldface Buttons,menus,parameters,tabs,window,and dialog titles are inboldface. For example,click OK.>Multi-level menus are in boldface and separated by the ">" signs.For example,choose File > Create > Folder .5. Keyboard OperationConvention DescriptionKey Press the key.For example,press Enter and press Tab.Key1+Key2 Press the keys concurrently.For example,pressing Ctrl+Alt+Ameans the three keys should be pressed concurrently.Key1,Key2 Press the keys in turn.For example,pressing Alt,A means the twokeys should be pressed in turn.6. Mouse OperationAction DescriptionClick Select and release the primary mouse button without moving thepointer.Double-click Press the primary mouse button twice continuously and quicklywithout moving the pointer.Drag Press and hold the primary mouse button and move the pointerto a certain position.RRUUser Guide About This DocumentIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3
1 Safety Information1.1 Safety PrecautionsThis section describes certain safety precautions and helps to choose the measurement deviceand testing device. Read and follow these safety precautions before installing, operating, andmaintaining Huawei devices.Following All Safety PrecautionsBefore any operation, read the instructions and precautions in this document carefully tominimize the possibility of accidents.The Danger, Caution, and Note items in the package of documents do not cover all the safetyprecautions that must be followed. They only provide the generic safety precautions foroperations.SymbolsDANGERThis symbol indicates that casualty or serious accident may occur if you ignore the safetyinstruction.CAUTIONThis symbol indicates that serious or major injury may occur if you ignore the safety instruction.NOTEThis symbol indicates that the operation may be easier if you pay attention to the safety instruction.RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-1
Complying with the Local Safety RegulationsWhen operating the device, comply with the local safety regulations. The safety precautionsprovided in the documents are supplementary. You must comply with the local safetyregulations.General Installation RequirementsThe personnel in charge of installation and maintenance must be trained and master the correctoperating methods and safety precautions before beginning work.The rules for installing and maintaining the device are as follows:lOnly the trained and qualified personnel can install, operate and maintain the device.lOnly the qualified specialists are allowed to remove the safety facilities, and repair thedevice.lAny replacement of the device or part of the device (including the software) or any changemade to the device must be performed by qualified or authorized personnel of Huawei.lAny fault or error that might cause safety problems must be reported immediately to thepersonnel in charge.Grounding RequirementsThe following requirements are applicable to the device to be grounded:lGround the device before installation and remove the ground cable after uninstallation.lDo not operate the device in the absence of a ground conductor. Do not damage the groundconductor.lThe unit (or system) must be permanently connected to the protection ground beforeoperation. Check the electrical connection of the device before operation and ensure thatthe device is reliably grounded.Safety of PersonnelEnsure the following:lWhen lightning strikes, do not operate the device and cables.lWhen lightning strikes, unplug the AC power connector. Do not use the fixed terminal ortouch the terminal or antenna connector.NOTEThe previous two requirements are suitable for the wireless fixed terminal.lTo prevent electric shock, do not connect safety extra-low voltage (SELV) circuits totelecommunication network voltage (TNV) circuits.lTo prevent laser radiation from injuring your eyes, never look into the optical fiber outletwith unaided eyes.lTo prevent electric shock and burns, wear the electrostatic discharge (ESD) clothing, glovesand wrist strap, and remove conductors such as jewelry and watch before operation.1 Safety InformationRRUUser Guide1-2 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Device SafetylBefore operation, the device must be secured on the floor or other fixed objects, such asthe walls and the mounting racks.lDo not block ventilation openings while the system is running.lWhen installing the panel, tighten the screw with the tool.1.2 Electricity SafetyHigh VoltageDANGERlThe high voltage power supply provides power for running the system. Direct contact withthe high voltage power supply or contact through damp objects may result in fatal danger.lNon-standard and improper high voltage operations may result in fire and electric shock.lThe personnel who install the AC facility must be qualified to perform operations on highvoltage and AC power supply facilities.lWhen installing the AC power supply facility, follow the local safety regulations.lWhen operating the AC power supply facility, follow the local safety regulations.lWhen operating the high voltage and AC power supply facilities, use the specific toolsinstead of common tools.lWhen the operation is performed in a damp environment, ensure that water is kept off thedevice. If the cabinet is damp or wet, shut down the power supply immediately.ThunderstormThe following requirements are suitable only for the wireless base station or the device with anantenna or GPS antenna.DANGERIn a thunderstorm, do not perform operations on high voltage and AC power supply facilities oron a steel tower and mast.High Electrical LeakageCAUTIONGround the device before powering on the device. Otherwise, the personnel and device are indanger.RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-3
If the "high electrical leakage" flag is stuck to the power terminal of the device, you must groundthe device before powering it on.Power CableCAUTIONDo not install and remove the power cable with a live line. Transient contact between the coreof the power cable and the conductor may generate electric arc or spark, which may cause fireor eye injury.lBefore installing or removing the power cable, turn off the power switch.lBefore connecting the power cable, ensure that the power cable and label comply with therequirements of the actual installation.FuseCAUTIONTo ensure that the system runs safely, when a fuse blows, replace it with a fuse of the same typeand specifications.Electrostatic DischargeCAUTIONThe static electricity generated by the human body may damage the electrostatic sensitivecomponents on the circuit board, such as the large-scale integrated circuit (LIC).In the following situations, the human body generates a static electromagnetic field:lMovement of body partslClothes frictionlFriction between shoes and the groundlHolding plastic in handThe static electromagnetic field will remain within the human body for a long time.Before contacting the device, plug boards, circuit boards, and application specific integratedcircuits (ASICs), wear a grounded ESD wrist strap. It can prevent the sensitive components frombeing damaged by the static electricity in the human body.Figure 1-1shows how to wear an ESD wrist strap.1 Safety InformationRRUUser Guide1-4 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 1-1 Wearing an ESD wrist strap1.3 Inflammable EnvironmentDANGERDo not place the device in the environment that has inflammable and explosive air or fog. Donot perform any operation in this environment.Any operation of the electrical device in the inflammable environment causes danger.1.4 BatteryStorage BatteryDANGERBefore handling the storage battery, read the safety precautions for the handling and connectionof the storage battery.Incorrect operation of storage batteries may cause danger. During operation, ensure thefollowing:lPrevent any short-circuit.lPrevent the electrolyte from overflowing and leakage.Electrolyte overflow may damage the device. It will corrode the metal parts and the circuitboards, and ultimately damage the device and cause short-circuit of the circuit boards.RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-5
General OperationsBefore installing and maintaining the storage battery, ensure the following:lUse special insulation tools.lUse eye protection devices and operate with care.lWear rubber gloves and an apron in case of an electrolyte overflow.lAlways keep the battery upright when moving. Do not place the battery upside down or tiltit.Short-CircuitDANGERShort-circuit of the battery may cause injury. Although the voltage of a battery is low, hightransient current generated by short-circuit will release a surge of power.Keep metal objects away from the battery to prevent short circuit. If they have to be used,disconnect the battery in use before performing any other operation.Harmful GasCAUTIONlDo not use unsealed lead-acid storage batteries, because the gas emitted from it may resultin fire or device corrosion.lLay the storage battery horizontally and fix it properly.The lead-acid storage battery in use will emit flammable gas. Therefore, store it in a place withgood ventilation and take precautions against fire.High TemperatureCAUTIONHigh temperature may result in distortion, damage, and electrolyte overflow of the battery.When the temperature of the battery exceeds 60oC, check whether there is acid overflow. If acidoverflow occurs, handle the acid immediately.1 Safety InformationRRUUser Guide1-6 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
AcidCAUTIONIf the acid overflows, it should be absorbed and neutralized immediately.When handling a leaky battery, protect against the possible damage caused by the acid. Use thefollowing materials to absorb and neutralize acid spills:lSodium bicarbonate (baking soda): NaHCO3lSodium carbonate (soda): Na2CO3Antacids must be used according to the instructions provided by the battery manufacturer.Lithium BatteryCAUTIONThere is danger of explosion if the battery is incorrectly replaced.lReplace the lithium battery with the same or equivalent type recommended by themanufacturer.lDispose of the used battery according to the instructions provided by the manufacturer.lDo not dispose of the lithium battery in fire.1.5 RadiationElectromagnetic Field ExposureCAUTIONHigh power radio-frequency signals are harmful to human body.Before installing or maintaining an antenna on a steel tower or mast with a large number oftransmitter antennas, the operator should coordinate with all parties to ensure that the transmitterantennas are shut down.The base transceiver station (BTS) has RF radiation (radiation hazard). Suggestions for theinstallation and operation of BTSs are given in the following section. Operators are also requiredto comply with the related local regulations on erecting BTSs.lThe antenna should be located in an area that is inaccessible to the public where the RFradiation exceeds the stipulated value.RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-7
lIf the areas where RF radiation exceeds the stipulated value are accessible to workers,ensure that workers know where these areas are. They can shut down the transmitters beforeentering these areas. Such areas may not exist; but if they exist, the areas must be within arange of less than 10 m around the antennas.lEach forbidden zone should be indicated by a physical barrier and striking sign to warn thepublic or workers.LaserCAUTIONWhen handling optical fibers, do not stand close to, or look into the optical fiber outlet withunaided eyes.Laser transceivers or transmitters are used in the optical transmission system and associated testtools. Because the laser that is transmitted through the optical fiber produces a small beam oflight, it has a very high power density and is invisible to human eyes. If a beam of light entersthe eye, the retina may be damaged.Normally, staring into the end of an unterminated optical fiber or broken optical fiber with theunaided eyes from a distance of more than 150 mm [5.91 in.] will not cause eye injury. Eyesmay, however, be damaged if an optical tool such as a microscope, magnifying glass or eyeloupe is used to stare into the bare optical fiber end.Read the following guidelines to prevent laser radiation:lOnly the trained and authorized personnel can perform the operation.lWear a pair of eye-protective glasses when you are handling lasers or optical fibers.lEnsure that the optical source is switched off before disconnecting optical fiber connectors.lNever look into the end of an exposed optical fiber or an open connector if you cannotensure that the optical source is switched off.lTo ensure that the optical source is switched off, use an optical power meter.lBefore opening the front door of an optical transmission system, ensure that you are notexposed to laser radiation.lNever use an optical tool such as a microscope, a magnifying glass, or an eye loupe to lookinto the optical fiber connector or end.Read the following instructions before handling optical fibers:lOnly the trained personnel can cut and splice optical fibers.lBefore cutting or splicing an optical fiber, ensure that the optical fiber is disconnected fromthe optical source. After disconnecting the optical fiber, use protecting caps to protect allthe optical connectors.1 Safety InformationRRUUser Guide1-8 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
1.6 Working at HeightsCAUTIONWhen working at heights, ensure that the objects do not fall.When working at heights, ensure that the following requirements must be met:lThe personnel who work at heights must be trained.lThe operating machines and tools should be carried and handled safely to prevent themfrom falling.lSafety measures, such as wearing a helmet and a safety belt, should be taken.lIn cold regions, warm clothes should be worn before working at heights.lEnsure that the lifting appliances are well prepared for working at heights.Lifting WeightsCAUTIONDo not access the areas under the arm of the crane and the goods in suspension when liftingweights.lEnsure that the operators have been trained and qualified.lCheck the weight lifting tools and ensure that they are intact.lLift the weight only when the weight lifting tools are firmly mounted onto the weight-bearing object or the wall.lUse a concise instruction to prevent incorrect operation.lThe angle between the two cables should be less than or equal to 90o in the lifting of weights(See Figure 1-2).RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-9
Figure 1-2 Lifting a weightSafety Guide on Ladder UseChecking the LadderlCheck the ladder before using it. Check the maximum weight that the ladder can support.lNever overload the ladder.Placing the LadderlThe slant angle is preferred to be 75o. The slant can be measured with the angle square orwith arms, as shown in Figure 1-3. When using a ladder, place the wider end of the ladderon the ground and take protective measures on the base of the ladder against slippage. Placethe ladder on a stable ground.When climbing the ladder, ensure the following:lThe gravity of the body does not shift from the edge of the ladder.lKeep balance on the ladder before performing any operation.lDo not climb higher than the fourth highest step of the ladder.If you tend to climb to the roof, the length of the ladder should be at least one meter higher thanthe eave, as shown in Figure 1-4.1 Safety InformationRRUUser Guide1-10 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 1-3 Slant angleFigure 1-4 One meter higher than the eave1.7 Mechanical SafetyDrillingCAUTIONDo not drill on the cabinet without permission. Inappropriate drilling on the cabinet may damagethe electromagnetic shielding and internal cables. Metal shavings from the drilling may resultin a short-circuit of the circuit board if they get into the cabinet.lBefore drilling a hole on the cabinet, remove the cables from the cabinet.lDuring the drilling, wear blinkers to protect your eyes.RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-11
lDuring the drilling, wear the protective gloves.lPrevent the metal shavings from getting into the cabinet. After drilling, clean the metalshavings in time.Handling Sharp ObjectsCAUTIONWhen carrying the device by hand, wear the protective gloves to prevent injury by sharp objects.Handling FanslWhen replacing a component, place the component, screw, and tool at a safe place to preventthem from falling into the running fan.lWhen replacing the ambient equipment around the fan, do not place the finger or boardinto the running fan until the fan is switched off and stops running.Moving Heavy ObjectsWear the protective gloves when moving heavy objects.CAUTIONlBe careful when moving heavy objects.lWhen moving the chassis outwards, be aware about the unfixed or heavy objects on thechassis to prevent injury.lTwo persons should be available to move a chassis; one person must not move a heavychassis. When moving a chassis, keep your back straight and move stably to prevent asprain.lWhen moving or lifting a chassis, hold the handle or bottom of the chassis. Do not hold thehandle of the installed modules in the chassis, such as the power module, fan module, orboard.1.8 OthersInserting and Removing a BoardCAUTIONWhen inserting a board, wear the ESD wrist strap or gloves. Insert the board gently to preventany bent pins on the backplane.1 Safety InformationRRUUser Guide1-12 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
lInsert the board along the guide rail.lAvoid contact of one board with another to prevent short-circuit or damage.lDo not remove the active board before powering off.lWhen holding a board in hand, do not touch the board circuit, components, connectors, orconnection slots.Bundling Signal CablesCAUTIONBundle the signal cables separately from the strong current cables or high voltage cables.Cabling RequirementsAt a very low temperature, movement of the cable may damage the plastic skin of the cable. Toensure the construction safety, comply with the following requirements:lWhen installing cables, ensure that the environment temperature is above 0oC.lIf cables are stored in the place below 0oC, move the cables into a place at a roomtemperature and store the cables for more than 24 hours before installation.lMove the cables with care, especially at a low temperature. Do not drop the cables directlyfrom the vehicle.RRUUser Guide 1 Safety InformationIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd1-13
2 RRU and SRXU HardwareAbout This ChapterThis describes the RRU equipment, SRXU equipment, and related cables.2.1 RRU EquipmentThe RRU is a remote radio unit.2.2 SRXU EquipmentThe SRXU is an extended RF interface module that provides two RX channels for RF signals.2.3 RRU CablesThe RRU cables include the PGND cable, power cable, AISG multi-wire cable, AISG extensioncable, CPRI optical cable, RF jumper, and alarm cable.2.4 SRXU CablesThe SRXU cables include the PGND cable, power cable, AISG multi-wire cable, AISGextension cable, CPRI optical cable, and RF jumper.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-1
2.1 RRU EquipmentThe RRU is a remote radio unit.The RRU has the following functions:lThe RRU receives RF signals from the antenna system, down-converts the signals to IFsignals, and then transmits them to the BBU or the macro NodeB after amplification,analog-to-digital conversion, digital down-conversion, matched filtering, and DigitalAutomatic Gain Control (DAGC).lThe RRU receives downlink baseband signals from the BBU or the macro NodeB, forwardsdata from its cascaded RRU, performs filtering and digital-to-analog conversion, and up-converts RF signals to the transmitting frequency band.lThe RRU multiplexes RX and TX signals over RF channels and filters the RX signals andTX signals. This enables the RX signals and TX signals to share the same antenna path.2.1.1 Appearance of the RRUThe RRU features a modular structure with its ports at the module bottom and on the cablingcavity.2.1.2 LEDs on the RRUThe LEDs, on the LED panel of the RRU, indicate the running status of the RRU.2.1.3 Panels of the RRUThe RRU has a bottom panel, a cabling cavity panel, and an LED panel.2.1.1 Appearance of the RRUThe RRU features a modular structure with its ports at the module bottom and on the cablingcavity.Figure 2-1 shows the RRU. On the left is a front view of the RRU without the housing, in themiddle is a side view of the RRU without the housing, and on the right is a front view of theRRU housing.Figure 2-1 RRU2 RRU and SRXU HardwareRRUUser Guide2-2 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
2.1.2 LEDs on the RRUThe LEDs, on the LED panel of the RRU, indicate the running status of the RRU.For the positions of the LEDs on the RRU, refer to 2.1.3 Panels of the RRU.Table 2-1 describes the LEDs and their status.Table 2-1 LEDs on the RRULabel Color Status DescriptionRUN Green ON The module has power input,yet the module is faulty.OFF The module has no power inputor is reporting alarms.1s ON, 1s OFF The module is operational.0.5s ON, 0.5s OFF Software is being loaded to themodule.ALM Red ON The RRU is reporting alarms(excluding VSWR-relatedalarms).OFF The module is operational.TX_ACT Green ON The module is running.OFF No specific meaningVSWR Red ON VSWR-related alarms arereported.OFF No VSWR-related alarm isreported.CPRI_W Red/green ON (green) The CPRI link is normal.ON (red) The optical module receiveslocal alarms related to LOS.0.5s ON, 0.5s OFF(red)The CPRI link is out of lock.OFF The optical module is not inposition or is powered off.CPRI_E Red/green ON (green) The CPRI link is normal.ON (red) The optical module receiveslocal alarms related to LOS.0.5s ON, 0.5s OFF(red)The CPRI link is out of lock.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-3
Label Color Status DescriptionOFF The optical module is not inposition or is powered off. 2.1.3 Panels of the RRUThe RRU has a bottom panel, a cabling cavity panel, and an LED panel.Figure 2-2 shows the panels of the RRU.2 RRU and SRXU HardwareRRUUser Guide2-4 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 2-2 Panels of the RRUTable 2-2 describes the ports and LEDs on the panels of the SRXU.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-5
Table 2-2 Ports and LEDs on the panels of the RRUNo. Item Label Remarks1Ports at thebottomRX_IN/OUT Port for interconnection betweencombined cabinetsRET/PWR_SRXU Port for the RET antenna or power outputto the SRXUANT_TX/RXA Port for main TX/RX diversityANT_RXB Port for RX diversity2 Ports on thecabling cavityRS485/EXT_ALM Port for alarmsCPRI_E Optical portsCPRI_WRTN(+) Ports for power supplyNEG(-)PGND Grounding bolt3 LED RUN For details, refer to 2.1.2 LEDs on theRRU.ALMTX_ACTVSWRCPRI_WCPRI_E 2.2 SRXU EquipmentThe SRXU is an extended RF interface module that provides two RX channels for RF signals.The SRXU receives RF signals from the antenna system, down-converts the RF signals to IFsignals, and then transmits them to the RRU after amplification, analog-to-digital conversion,digital down-conversion, matched filtering, and DAGC. The RRU forwards the signals to theBBU or the macro NodeB.2.2.1 Appearance of the SRXUThe SRXU features a modular structure with its ports at the module bottom and on the cablingcavity.2.2.2 LEDs on the SRXUThe LEDs, on the LED panel of the SRXU, indicate the running status of the SRXU.2.2.3 Panels of the SRXUThe SRXU has a bottom panel, a cabling cavity panel, and an LED panel.2 RRU and SRXU HardwareRRUUser Guide2-6 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
2.2.1 Appearance of the SRXUThe SRXU features a modular structure with its ports at the module bottom and on the cablingcavity.Figure 2-3 shows the SRXU. On the left is a front view of the SRXU, and on the right is a sideview of the SRXU.Figure 2-3 SRXU2.2.2 LEDs on the SRXUThe LEDs, on the LED panel of the SRXU, indicate the running status of the SRXU.For the positions of the LEDs on the SRXU, refer to 2.2.3 Panels of the SRXU.Table 2-3 describes the LEDs and their status.Table 2-3 LEDs on the SRXULabel Color Status DescriptionRUN Green ON The module has power input,yet the module is faulty.OFF The module has no power input,or the module is faulty.1s ON, 1s OFF The module is operational.0.5s ON, 0.5s OFF Software is being loaded to themodule.ALM Red ON The module is reporting alarms.OFF The module is operational.CPRI_W Red/green ON (green) The CPRI link is normal.ON (red) The optical module receiveslocal alarms related to LOS.0.5s ON, 0.5s OFF(red)The CPRI link is out of lock.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-7
Label Color Status DescriptionOFF The optical module is not inposition or is powered off.CPRI_E Red/green ON (green) The CPRI link is normal.ON (red) The optical module receiveslocal alarms related to LOS.0.5s ON, 0.5s OFF(red)The CPRI link is out of lock.OFF The optical module is not inposition or is powered off. 2.2.3 Panels of the SRXUThe SRXU has a bottom panel, a cabling cavity panel, and an LED panel.Figure 2-4 shows the panels of the SRXU.2 RRU and SRXU HardwareRRUUser Guide2-8 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 2-4 Panels of the SRXUTable 2-4 describes the ports and LEDs on the panels of the SRXU.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-9
Table 2-4 Ports and LEDs on the panels of the SRXUNo. Item Label Description1Ports at thebottomPWR_SRXU Socket for power supplyANT_RXC Port for RX diversityANT_RXD Port for RX diversityRX_IN/OUT Port for interconnection betweencombined cabinetsRET Port for the RET antenna2 Ports on thecabling cavityCPRI_E Optical portsCPRI_WPGND Grounding bolt3 LEDs RUN For details, refer to 2.1.2 LEDs on theRRU.ALMCPRI_WCPRI_E 2.3 RRU CablesThe RRU cables include the PGND cable, power cable, AISG multi-wire cable, AISG extensioncable, CPRI optical cable, RF jumper, and alarm cable.2.3.1 PGND cable of the RRUThe PGND cable ensures the grounding of the RRU.2.3.2 Power Cable of the RRUThe RRU uses a shielded -48 V DC power cable. The cable feeds external -48 V DC power tothe RRU.2.3.3 CPRI Optical CableThis describes the CPRI optical cable. It connects the BBU3836 to the RRU and transmits CPRIsignals between them.2.3.4 AISG Multi-Wire Cable of the RRU/SRXUThe five-meter-long AISG multi-wire cable connects the RRU/SRXU to the Remote ControlUnit (RCU). If both RRU and SRXU are installed, the AISG multi-wire cable only connects theSRXU and the RCU. This cable is optional.2.3.5 AISG Extension Cable of the RRU/SRXUWhen the distance between the RCU and the RRU/SRXU is longer than 5 m, the AISG multi-wire cable is not long enough to cover the distance. In this case, the AISG extension cable isused. The AISG extension cable is 15 m long.2.3.6 RF Jumper of the RRU/SRXU2 RRU and SRXU HardwareRRUUser Guide2-10 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
The RF jumper of the RRU can be categorized into two types: feeder jumper and interconnectjumper. The interconnect jumper is optional, depending on the site configuration.2.3.7 Alarm Cable of the RRUThe cable transmits the 2-channel Boolean alarm signals and 1-channel RS485 signals fromexternal devices to the RRU. Thus, the external signals are monitored.2.3.1 PGND cable of the RRUThe PGND cable ensures the grounding of the RRU.AppearanceThe green and yellow PGND cable is a single cable with a cross-sectional area of 16 mm2. Bothends of the cable are OT terminals. If you prepare the cable by yourself, it is recommended touse a copper-based cable with a minimum cross-sectional area of 16 mm2.Figure 2-5 shows the PGND cable.Figure 2-5 PGND cableOT terminals need to be added on site. You can determine the color of the cable and whether touse 2-hole terminals according to local standards.Figure 2-6 shows the 2-hole terminal.Figure 2-6 2-hole terminalInstallation PositionOne end of the PGND cable is connected to the grounding bolt on the RRU, and the other endis connected to the nearest grounding bar.2.3.2 Power Cable of the RRUThe RRU uses a shielded -48 V DC power cable. The cable feeds external -48 V DC power tothe RRU.AppearanceThe cable has two OT terminals at one end and bare wire at the other end, as shown in Figure2-7.The OT terminals need to be made on site.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-11
Figure 2-7 –48 V DC power cablePin AssignmentThe -48 V DC power cable is a 2-wire cable. Table 2-5 and Table 2-6 describes the pinassignment for the wires of the -48 V DC power cable.Table 2-5 Pin assignment for the wires of the –48 V DC power cable (North American Standard)Wire Type Wire ColorNEG BlueRTN Black Table 2-6 Pin assignment for the wires of the –48 V DC power cable (European Standard)Wire Type Wire ColorNEG BlueRTN Brown Installation PositionAt one end of the cable, the OT terminal on the blue wire is connected to the NEG(-) port on thecabling cavity of the RRU, and the OT terminal on the black or brown wire is connected to theRTN(+) port on the cabling cavity of the RRU.At the other end of the cable, a proper terminal is made depending on field requirements and isthen connected to the power supply on site.2.3.3 CPRI Optical CableThis describes the CPRI optical cable. It connects the BBU3836 to the RRU and transmits CPRIsignals between them.AppearanceThe CPRI optical cable is a multi-mode 2-wire cable with DLC connectors at both ends.Figure 2-8 shows the CPRI optical cable.2 RRU and SRXU HardwareRRUUser Guide2-12 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 2-8 CPRI optical cable(1) DLC connector (2) Label on the fiber tail(3) Fiber tailPin AssignmentTable 2-7 describes the pin assignment for the fiber tails of the CPRI optical cable.Table 2-7 Pin assignment for the fiber tails of the CPRI optical cableLabel Color Connect to...1A Orange RX port on the RRU1B Gray TX port on the RRU2A Orange TX port on the WBBPa2B Gray RX port on the WBBPa Installation PositionTable 2-8 describes the installation positions of the CPRI optical cable.Table 2-8 Installation positions of the CPRI optical cableOne End The Other EndCPRI port on the WBBPa CPRI_W port on the RRU 2.3.4 AISG Multi-Wire Cable of the RRU/SRXUThe five-meter-long AISG multi-wire cable connects the RRU/SRXU to the Remote ControlUnit (RCU). If both RRU and SRXU are installed, the AISG multi-wire cable only connects theSRXU and the RCU. This cable is optional.AppearanceThe cable has a waterproof DB9 connector at one end and a standard AISG female connector atthe other end, as shown in Figure 2-9.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-13
Figure 2-9 AISG multi-wire cablePin AssignmentTable 2-9 describes the pin assignment for the wires of the AISG multi-wire cable.Table 2-9 Pin assignment for the wires of the AISG multi-wire cableX1 End X2 End Wire Type RemarksX1.1 X2.1 Twisted pair +12 VX1.7 X2.7 Twisted pair DC-GNDX1.9 AISG_SwitchX1.3 X2.3 Twisted pair RS485 -X1.5 X2.5 RS485 + Installation PositionIf only the RRU is installed, the waterproof DB9 connector is linked to the RET/PWR_SRXUport at the bottom of the RRU, and the standard AISG female connector is linked to thecorresponding connector on the RCU or to the AISG extension cable.If both the RRU and the SRXU are installed, the waterproof DB9 connector is linked to the RETport at the bottom of the SRXU, and the standard AISG female connector is linked to thecorresponding connector on the RCU or to the AISG extension cable.2.3.5 AISG Extension Cable of the RRU/SRXUWhen the distance between the RCU and the RRU/SRXU is longer than 5 m, the AISG multi-wire cable is not long enough to cover the distance. In this case, the AISG extension cable isused. The AISG extension cable is 15 m long.AppearanceThe cable has a standard AISG male connector at one end and a standard AISG female connectorat the other end, as shown in Figure 2-10.2 RRU and SRXU HardwareRRUUser Guide2-14 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 2-10 AISG extension cablePin AssignmentTable 2-10 describes the pin assignment for the wires of the AISG extension cable.Table 2-10 Pin assignment for the wires of the AISG extension cableX1 End X2 End Wire Color Wire Type RemarksX1.1 X2.1 White and blue Twisted pair +12 VBlueX1.7 X2.7 White and orange Twisted pair DC Return AOrangeX1.3 X2.3 White and green Twisted pair RS485 BX1.5 X2.5 Green RS485 AX1.6 X2.6 White and brown Twisted pair +24 VBrown Installation PositionThe AISG female connector is linked to the corresponding connector on the RCU, and the AISGmale connector is linked to the AISG female connector of the AISG multi-wire cable.2.3.6 RF Jumper of the RRU/SRXUThe RF jumper of the RRU can be categorized into two types: feeder jumper and interconnectjumper. The interconnect jumper is optional, depending on the site configuration.2.3.6.1 Antenna Jumper of the RRU/SRXUThe antenna jumper transmits and receives RF signals.2.3.6.2 Interconnect Jumper of the RRU/SRXURRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-15
The interconnect jumper transmits RF signals between two RRUs or two SRXUs.2.3.6.3 RF Jumper Connections of the RRUOne end of the RF jumper is connected to the RF ports on the RRU and the other end to thefeeder. Which RF port to use depends on the networking modes. Antenna Jumper of the RRU/SRXUThe antenna jumper transmits and receives RF signals.AppearanceThe antenna jumper has a DIN male connector at each end, as shown in Figure 2-11.Figure 2-11 Feeder jumperInstallation PositionThe antenna jumper with indefinite length is selected according to the distance between theantenna and the RRU/SRXU. Connectors are made on site.lWhen the distance between the antenna and the RRU/SRXU is shorter than 14 m, the RRU/SRXU is directly connected to the antenna through the antenna jumper.lWhen the distance between the antenna and the RRU/SRXU is longer than 14 m, the antennajumper should be shorter than 2 m. If you prepare the jumper by yourself, it is recommendedthat the feeder jumper be 2 m long at most. Ensure that the antenna jumper is connected tothe feeder before being connected to the RRU/SRXU and the antenna. Interconnect Jumper of the RRU/SRXUThe interconnect jumper transmits RF signals between two RRUs or two SRXUs.AppearanceThe interconnect jumper is 2 m long and it has a 2W2 connector at each end, as shown in Figure2-12.Figure 2-12 Interconnect jumper2 RRU and SRXU HardwareRRUUser Guide2-16 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Installation PositionThe 2W2 connectors at the two ends of the interconnect jumper are linked to the ports labeledRX_IN/OUT on two RRUs or two SRXUs respectively. RF Jumper Connections of the RRUOne end of the RF jumper is connected to the RF ports on the RRU and the other end to thefeeder. Which RF port to use depends on the networking modes.Table 2-11 describes the connections of the RF jumpers in different RRU networking modes.Table 2-11 RF jumper connections of the RRUTypicalNetworkingModeAntenna Type andQuantity of RRUsCable Connection1 x 1 in no TXdiversity modelOne RRUlOne dual polarizationantennalTwo antenna jumperslThe DIN connectors of the two feederjumpers link to the ANT_TX/RXA andANT_RXB ports at the bottom of theRRU.1 x 2 in no TXdiversity mode2 x 1 in no TXdiversity modelTwo RRUslTwo dual polarizationantennaslFour antenna jumperslThe DIN connectors of the fourantenna jumpers are linked to theANT_TX/RXA ports and ANT_RXBports on RRU 0 and RRU 1.2 x 2 in no TXdiversity mode1 x 1 in TX diversitymodelTwo RRUslOne dual polarizationantennalTwo feeder jumpers and oneinterconnect jumperlThe DIN connectors of the two feederjumpers are linked to the ANT_TX/RXA ports on RRU 0 and RRU 1.lThe interconnect jumper is connectedto the RX_IN/OUT ports on RRU 0 andRRU 1 that are combined.1 x 2 in TX diversitymode3 x 1 in no TXdiversity modelThree RRUslThree dual polarizationantennaslSix antenna jumperslThe DIN connectors of the six antennajumpers are linked to the ANT_TX/RXA ports and ANT_RXB ports onRRU 0, RRU 1, and RRU 2.3 x 2 in no TXdiversity modeRRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-17
TypicalNetworkingModeAntenna Type andQuantity of RRUsCable Connection4-way RX diversity lOne RRUlOne SRXUlTwo antenna jumpers and one DCpower cablelThe DIN connectors of the two antennajumpers are linked to the ANT_RXCand ANT_RXD ports at the bottom ofthe SRXU.lOne end of the DC power cable isconnected to the RET/PWR_SRXUport at the bottom of the RRU, and theother end is connected to thePWR_SRXU socket at the bottom ofthe SRXU. 2.3.7 Alarm Cable of the RRUThe cable transmits the 2-channel Boolean alarm signals and 1-channel RS485 signals fromexternal devices to the RRU. Thus, the external signals are monitored.AppearanceThe cable has a DB15 male connector at one end and eight cord end terminals at the other end,as shown in Figure 2-13.NOTEIf the cord end terminals of the cable do no match the ports on the external devices, cut off the cord endterminals and make proper terminals on site.Figure 2-13 Alarm cablePin AssignmentThe cable can transmit 2-channel Boolean alarm signals and 1-channel RS485 signals. Table2-12 describes the pin assignment for the wires of the alarm cable.2 RRU and SRXU HardwareRRUUser Guide2-18 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Table 2-12 Pin assignment for the wires of the alarm cableX1 End Cord EndTerminalWire Color Wire Type LabelX1.2 X2 White andblueTwisted pair SWITCH_INPUT0+X1.3 X3 Blue GNDX1.6 X4 White andorangeTwisted pair SWITCH_INPUT1+X1.7 X5 Orange GNDX1.10 X6 White andgreenTwisted pair RS485_TX-X1.11 X7 Green RS485_TX+X1.13 X8 White andbrownTwisted pair RS485_RX-X1.14 X9 Brown RS485_RX+ Installation PositionThe DB15 male connector is linked to the RS485/EXT_ALM port on the cabling cavity of theRRU, and the other end of the cable is connected to the ports for Boolean alarm signals on theexternal device.2.4 SRXU CablesThe SRXU cables include the PGND cable, power cable, AISG multi-wire cable, AISGextension cable, CPRI optical cable, and RF jumper.2.4.1 PGND Cable of the SRXUThe PGND cable ensures the grounding of the SRXU.2.4.2 Power Cable of the SRXUThe SRXU uses a shielded DC power cable. The cable feeds power from the RRU to the SRXU.2.4.3 AISG Multi-Wire Cable of the RRU/SRXUThe five-meter-long AISG multi-wire cable connects the RRU/SRXU to the Remote ControlUnit (RCU). If both RRU and SRXU are installed, the AISG multi-wire cable only connects theSRXU and the RCU. This cable is optional.2.4.4 AISG Extension Cable of the RRU/SRXUWhen the distance between the RCU and the RRU/SRXU is longer than 5 m, the AISG multi-wire cable is not long enough to cover the distance. In this case, the AISG extension cable isused. The AISG extension cable is 15 m long.2.4.5 CPRI Optical CableThis describes the CPRI optical cable. It connects the BBU3836 to the RRU and transmits CPRIsignals between them.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-19
2.4.6 RF Jumper of the RRU/SRXUThe RF jumper of the RRU can be categorized into two types: feeder jumper and interconnectjumper. The interconnect jumper is optional, depending on the site configuration.2.4.1 PGND Cable of the SRXUThe PGND cable ensures the grounding of the SRXU.AppearanceThe green and yellow PGND cable is a single cable with a cross-sectional area of 16 mm2. Bothends of the cable are OT terminals.Figure 2-14 shows the PGND cable.Figure 2-14 PGND cableOT terminals need to be added on site. You can determine the color of the cable and whether touse 2-hole terminals according to local standards.Figure 2-15 shows the 2-hole terminal.Figure 2-15 2-hole terminalInstallation PositionOne end of the PGND cable is connected to the grounding bolt on the SRXU, and the other endis connected to the grounding bolt on the RRU.2.4.2 Power Cable of the SRXUThe SRXU uses a shielded DC power cable. The cable feeds power from the RRU to the SRXU.AppearanceThe cable has a waterproof DB9 connector at each end, as shown in Figure 2-16.Figure 2-16 DC power cable2 RRU and SRXU HardwareRRUUser Guide2-20 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Pin AssignmentTable 2-13 describes the pin assignment for the wires of the DC power cable.Table 2-13 Pin assignment for the wires of the DC power cableX1 End X2 End Wire Color Wire Type RemarksX1.6 X2.6 White and blue Twisted pair DC PowerCableBlueX1.7 X2.7 White andorangeTwisted pair GNDOrange Installation PositionOne end of the DC power cable is connected to the RET/PWR_SRXU port at the bottom of theRRU, and the other end is connected to the PWR_SRXU socket at the bottom of the SRXU.2.4.3 AISG Multi-Wire Cable of the RRU/SRXUThe five-meter-long AISG multi-wire cable connects the RRU/SRXU to the Remote ControlUnit (RCU). If both RRU and SRXU are installed, the AISG multi-wire cable only connects theSRXU and the RCU. This cable is optional.AppearanceThe cable has a waterproof DB9 connector at one end and a standard AISG female connector atthe other end, as shown in Figure 2-17.Figure 2-17 AISG multi-wire cablePin AssignmentTable 2-14 describes the pin assignment for the wires of the AISG multi-wire cable.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-21
Table 2-14 Pin assignment for the wires of the AISG multi-wire cableX1 End X2 End Wire Type RemarksX1.1 X2.1 Twisted pair +12 VX1.7 X2.7 Twisted pair DC-GNDX1.9 AISG_SwitchX1.3 X2.3 Twisted pair RS485 -X1.5 X2.5 RS485 + Installation PositionIf only the RRU is installed, the waterproof DB9 connector is linked to the RET/PWR_SRXUport at the bottom of the RRU, and the standard AISG female connector is linked to thecorresponding connector on the RCU or to the AISG extension cable.If both the RRU and the SRXU are installed, the waterproof DB9 connector is linked to the RETport at the bottom of the SRXU, and the standard AISG female connector is linked to thecorresponding connector on the RCU or to the AISG extension cable.2.4.4 AISG Extension Cable of the RRU/SRXUWhen the distance between the RCU and the RRU/SRXU is longer than 5 m, the AISG multi-wire cable is not long enough to cover the distance. In this case, the AISG extension cable isused. The AISG extension cable is 15 m long.AppearanceThe cable has a standard AISG male connector at one end and a standard AISG female connectorat the other end, as shown in Figure 2-18.Figure 2-18 AISG extension cablePin AssignmentTable 2-15 describes the pin assignment for the wires of the AISG extension cable.2 RRU and SRXU HardwareRRUUser Guide2-22 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Table 2-15 Pin assignment for the wires of the AISG extension cableX1 End X2 End Wire Color Wire Type RemarksX1.1 X2.1 White and blue Twisted pair +12 VBlueX1.7 X2.7 White and orange Twisted pair DC Return AOrangeX1.3 X2.3 White and green Twisted pair RS485 BX1.5 X2.5 Green RS485 AX1.6 X2.6 White and brown Twisted pair +24 VBrown Installation PositionThe AISG female connector is linked to the corresponding connector on the RCU, and the AISGmale connector is linked to the AISG female connector of the AISG multi-wire cable.2.4.5 CPRI Optical CableThis describes the CPRI optical cable. It connects the BBU3836 to the RRU and transmits CPRIsignals between them.AppearanceThe CPRI optical cable is a multi-mode 2-wire cable with DLC connectors at both ends.Figure 2-19 shows the CPRI optical cable.Figure 2-19 CPRI optical cable(1) DLC connector (2) Label on the fiber tail(3) Fiber tailPin AssignmentTable 2-16 describes the pin assignment for the fiber tails of the CPRI optical cable.RRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-23
Table 2-16 Pin assignment for the fiber tails of the CPRI optical cableLabel Color Connect to...1A Orange RX port on the RRU1B Gray TX port on the RRU2A Orange TX port on the WBBPa2B Gray RX port on the WBBPa Installation PositionTable 2-17 describes the installation positions of the CPRI optical cable.Table 2-17 Installation positions of the CPRI optical cableOne End The Other EndCPRI port on the WBBPa CPRI_W port on the RRU 2.4.6 RF Jumper of the RRU/SRXUThe RF jumper of the RRU can be categorized into two types: feeder jumper and interconnectjumper. The interconnect jumper is optional, depending on the site configuration. Antenna Jumper of the RRU/SRXUThe antenna jumper transmits and receives RF signals.AppearanceThe antenna jumper has a DIN male connector at each end, as shown in Figure 2-20.Figure 2-20 Feeder jumperInstallation PositionThe antenna jumper with indefinite length is selected according to the distance between theantenna and the RRU/SRXU. Connectors are made on site.2 RRU and SRXU HardwareRRUUser Guide2-24 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
lWhen the distance between the antenna and the RRU/SRXU is shorter than 14 m, the RRU/SRXU is directly connected to the antenna through the antenna jumper.lWhen the distance between the antenna and the RRU/SRXU is longer than 14 m, the antennajumper should be shorter than 2 m. If you prepare the jumper by yourself, it is recommendedthat the feeder jumper be 2 m long at most. Ensure that the antenna jumper is connected tothe feeder before being connected to the RRU/SRXU and the antenna. Interconnect Jumper of the RRU/SRXUThe interconnect jumper transmits RF signals between two RRUs or two SRXUs.AppearanceThe interconnect jumper is 2 m long and it has a 2W2 connector at each end, as shown in Figure2-21.Figure 2-21 Interconnect jumperInstallation PositionThe 2W2 connectors at the two ends of the interconnect jumper are linked to the ports labeledRX_IN/OUT on two RRUs or two SRXUs respectively. RF Jumper Connections of the RRUOne end of the RF jumper is connected to the RF ports on the RRU and the other end to thefeeder. Which RF port to use depends on the networking modes.Table 2-18 describes the connections of the RF jumpers in different RRU networking modes.Table 2-18 RF jumper connections of the RRUTypicalNetworkingModeAntenna Type andQuantity of RRUsCable Connection1 x 1 in no TXdiversity modelOne RRUlOne dual polarizationantennalTwo antenna jumperslThe DIN connectors of the two feederjumpers link to the ANT_TX/RXA andANT_RXB ports at the bottom of theRRU.1 x 2 in no TXdiversity mode2 x 1 in no TXdiversity modelTwo RRUslTwo dual polarizationantennaslFour antenna jumperslThe DIN connectors of the fourantenna jumpers are linked to theRRUUser Guide 2 RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd2-25
TypicalNetworkingModeAntenna Type andQuantity of RRUsCable Connection2 x 2 in no TXdiversity modeANT_TX/RXA ports and ANT_RXBports on RRU 0 and RRU 1.1 x 1 in TX diversitymodelTwo RRUslOne dual polarizationantennalTwo feeder jumpers and oneinterconnect jumperlThe DIN connectors of the two feederjumpers are linked to the ANT_TX/RXA ports on RRU 0 and RRU 1.lThe interconnect jumper is connectedto the RX_IN/OUT ports on RRU 0 andRRU 1 that are combined.1 x 2 in TX diversitymode3 x 1 in no TXdiversity modelThree RRUslThree dual polarizationantennaslSix antenna jumperslThe DIN connectors of the six antennajumpers are linked to the ANT_TX/RXA ports and ANT_RXB ports onRRU 0, RRU 1, and RRU 2.3 x 2 in no TXdiversity mode4-way RX diversity lOne RRUlOne SRXUlTwo antenna jumpers and one DCpower cablelThe DIN connectors of the two antennajumpers are linked to the ANT_RXCand ANT_RXD ports at the bottom ofthe SRXU.lOne end of the DC power cable isconnected to the RET/PWR_SRXUport at the bottom of the RRU, and theother end is connected to thePWR_SRXU socket at the bottom ofthe SRXU. 2 RRU and SRXU HardwareRRUUser Guide2-26 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
3 Installing RRU and SRXU HardwareAbout This ChapterThis describes how to install the hardware, route the cables, and check the hardware installationof the RRU and SRXU.3.1 Information About the InstallationThis describes the installation modes and space requirements of the RRU and SRXU.3.2 Procedure for Installing the RRU and SRXUThe procedure for installing the RRU and SRXU varies with the installation scenarios. Theprocedure involves making preparations, installing the RRU and SRXU, connecting relatedcables, checking the hardware installation, and installing the housing of the RRU and SRXU.3.3 Preparing for the NodeB InstallationThis describes how to prepare for the NodeB installation. Before installing the NodeB, you needto unpack the NodeB and prepare necessary tools.3.4 Installing the RRU on the Ground or RooftopWhen the RRU needs to be installed on the ground or rooftop, it supports one-module, two-module centralized, and three-module centralized installation modes.3.5 Installing the RRU on the TowerBefore installing the RRU on the tower, you need to assemble the parts and then lift them up tothe tower.3.6 Installing the SRXUThis describes how to install the SRXU on the RRU in one-module, two-module centralized, orthree-module centralized installation mode.3.7 Installing RRU and SRXU CablesThis describes how to install the cables of the RRU and SRXU and how to open and close thecover plate of the RRU or SRXU cabling cavity.3.8 Powering On the RRU/SRXUThis describes how to power on the RRU/SRXU. The RRU, supplied with -48 V DC power,feeds power to the SRXU through a power cable. During power-on, you need to check the statusof the LEDs on the RRU/SRXU.3.9 Installing the Housing of the RRU and SRXURRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-1
After the SRXU is fixed to the RRU, install the housing after checking the hardware installation.3.10 Checklists for Hardware Installation of Distributed NodeBs and Mini NodeBsThis describes the checklists for hardware installation and cable connections.3 Installing RRU and SRXU HardwareRRUUser Guide3-2 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
3.1 Information About the InstallationThis describes the installation modes and space requirements of the RRU and SRXU.3.1.1 Installation Modes of the RRU and SRXUThe RRU supports one-module, two-module centralized, and three-module centralizedinstallation modes. It can be mounted on a metal pole or wall. If an SRXU is configured, theSRXU must be fixed to the RRU.3.1.2 Space Requirements of the RRU and SRXUIn different installation modes, the RRU and SRXU have the minimal space requirements forcabling and OM. Based on the engineering practice, Huawei offers the recommended spacerequirements.3.1.3 Cabling Specifications for the NodeBThis describes the cabling specifications for the power cables and PGND cables. The powercables and signal cables must be routed in compliance with the cabling specifications to avoidelectromagnetic interference to the signals.3.1.4 Requirements for the RRU Cabling on a TowerThis describes the requirements for the RRU cabling on a tower. Routing RRU cables on a towershould meet certain requirements to prevent damages to the cables or prevent interference to thesignals.3.1.5 Connections of RRU and SRXU CablesThis describes the cable connections between the RRU, SRXU, and other devices such asBBU3806, external power supply, and antenna system.3.1.6 Labels for DBS3836 CablesThis presents the types, appearance, and installation of the labels for DBS3836 cables. The labelsare attached to the power cable of the BBU3836, power cable of the RRU, E1 cable, CPRI opticalcable, and alarm cable.3.1.1 Installation Modes of the RRU and SRXUThe RRU supports one-module, two-module centralized, and three-module centralizedinstallation modes. It can be mounted on a metal pole or wall. If an SRXU is configured, theSRXU must be fixed to the RRU.NOTEThe metal pole or the wall on which the RRU is mounted must meet the following requirements:lThe depth of the metal ranges from 30 mm to 40 mm and the outer diameter of the pole ranges from60 mm to 114 mm.lThe wall is made of the concrete and the minimum weight bearing capacity of the wall is 100 kg.Installation Modes of One RRUFigure 3-1 shows the installation modes of one RRU.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-3
Figure 3-1 Installation modes of one RRUInstallation Modes of One RRU and One SRXUFigure 3-2 shows the installation modes of one RRU and one SRXU.Figure 3-2 Installation modes of one RRU and one SRXUInstallation Modes of Two RRUsFigure 3-3 shows the installation modes of two RRUs.3 Installing RRU and SRXU HardwareRRUUser Guide3-4 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-3 Installation modes of two RRUsInstallation Modes of Two RRUs and Two SRXUsFigure 3-4 shows the installation modes of two RRUs and two SRXUs.Figure 3-4 Installation modes of two RRUs and two SRXUsInstallation Modes of Three RRUsFigure 3-5 shows the installation modes of three RRUs.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-5
Figure 3-5 Installation modes of three RRUsInstallation Modes of Three RRUs and Three SRXUsFigure 3-6 shows the installation modes of three RRUs and three SRXUs.3 Installing RRU and SRXU HardwareRRUUser Guide3-6 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-6 Installation modes of three RRUs and three SRXUsNOTEThe RRU can be also installed in an indoor centralized rack. For details about how to install the RRU inthe indoor centralized rack, refer to Indoor Centralized Installation Guide.3.1.2 Space Requirements of the RRU and SRXUIn different installation modes, the RRU and SRXU have the minimal space requirements forcabling and OM. Based on the engineering practice, Huawei offers the recommended spacerequirements.NOTEThe following figures related to the space requirements assume that the cabling cavities are on the left sideof the RRU and SRXU. If the RRU and SRXU are installed with the cabling cavities on the right, thehorizontal space requirements are opposite to what are shown in the figures.Space Requirements of One RRU with and Without the SRXUFigure 3-7 shows the recommended space requirements of one RRU with and without theSRXU.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-7
Figure 3-7 Recommended space requirements of one RRU with and without the SRXU (unit:mm)The recommended space around the equipment is as follows:lAt least 500 mm under the equipment for cabling. It is recommended that the space is 1,200mm between the bottom and the ground for easy maintenance.lAt least 800 mm in front of the equipment for maintenance.lAt least 200 mm above the equipment for maintenance.lAt least 600 mm on the left of the equipment for maintenance.lAt least 300 mm on the right of the equipment for maintenance.lRegardless of whether the SRXU is fixed to the RRU, the space requirements are the same.Figure 3-8 shows the minimal space requirements of one RRU with and without the SRXU.3 Installing RRU and SRXU HardwareRRUUser Guide3-8 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-8 Minimal space requirements of one RRU with and without the SRXU (unit: mm)The minimal space around the equipment is as follows:l300 mm under the equipment for cabling. It is recommended that the space is 1,200 mmbetween the equipment bottom and the ground for easy maintenance.l600 mm in front of the equipment for maintenance.l200 mm above the equipment for maintenance.l400 mm on the left of the equipment for maintenance.l100 mm on the right of the equipment for maintenance.When two RRUs need to be combined, space requirements of each RRU must be met. In addition,the space between the two RRUs should stay within the range shown in Figure 3-9.Figure 3-9 Space requirements of two combined RRUs (unit: mm)The space between the two RRUs is as follows:RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-9
lWhen two RRUs are installed horizontally, the space is 1,200 mm at most.lWhen two RRUs are installed vertically, the space is 800 mm at most.NOTEThe space requirements of two combined SRXUs are the same as those of two combined RRUs.Space Requirements of Multiple RRUs with and Without the SRXUsFigure 3-10 shows the recommended space requirements of multiple RRUs with and withoutthe SRXUs.Figure 3-10 Recommended space requirements of multiple RRUs with and without the SRXUs(unit: mm)The recommended space around the equipment is as follows:lAt least 500 mm under the equipment for cabling. It is recommended that the space is 1,200mm between the bottom and the ground for easy maintenance.lAt least 800 mm in front of the equipment for maintenance.lAt least 200 mm above the equipment for maintenance.lAt least 800 mm on the left of the equipment for maintenance.lAt least 800 mm on the right of the equipment for maintenance.lRegardless of whether the SRXUs are fixed to the RRU, the space requirements are thesame.lRegardless of whether the RRUs are in two-module or three-module centralized installationmode, the space requirements are the same.Figure 3-11 shows the minimal space requirements of multiple RRUs with and without theSRXUs.3 Installing RRU and SRXU HardwareRRUUser Guide3-10 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-11 Minimal space requirements of multiple RRUs with and without the SRXUs (unit:mm)The minimal space around the equipment is as follows:l300 mm under the equipment for cabling. It is recommended that the space is 1,200 mmbetween the equipment bottom and the ground for easy maintenance.l600 mm in front of the equipment for maintenance.l200 mm above the equipment for maintenance.l600 mm on the left of the equipment for maintenance.l600 mm on the right of the equipment for maintenance.3.1.3 Cabling Specifications for the NodeBThis describes the cabling specifications for the power cables and PGND cables. The powercables and signal cables must be routed in compliance with the cabling specifications to avoidelectromagnetic interference to the signals.Requirements for Bending Radius of the CablesCable Requirements for theBending RadiusFeeder 1/2" feeder ≥ 127 mm7/8" feeder ≥ 250 mm5/4" feeder ≥ 380 mm13/8" feeder ≥ 510 mmJumper 1/4" jumper ≥ 35 mmRRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-11
Cable Requirements for theBending Radius1/2" jumper ≥ 50 mmSingle-jacket cable 2.5 mm ≤ D ≤ 4.5 mm R ≥ 2DD ≥ 4.5 mm R ≥ 3DTwo-wire or multi-wirecables with/withoutshielding layers6.5 mm ≤ D ≤ 12.5 mm R ≥ 2DD ≥ 12.5 mm R ≥ 3DOptical cable R ≥ 20D NOTEIn the preceding table, D refers to the diameter of the cable jacket and R refers to the bending radius of thecable.Requirements for Binding CableslCables of different types are bound separately. The cables cannot be coiled.lThe cables are tightly and neatly bundled. Ensure that the jackets of the cables are notdamaged.lTwo adjacent cable ties are spaced 200 mm and face the same direction. The cable ties atthe same position are placed at the same level. All cuts of the cable ties are smooth withoutsharp projections.lAttach labels or nameplates to both ends of the cables after they are installed.General Cabling SpecificationslCables of different types are routed separately.lCables of different types are not crossed.lThe space between cables of different types are greater than 30 mm when the cables arerouted parallel inside the cabinet. The space between cables of different types are greaterthan 100 mm when the cables are routed parallel outside the cabinet. If such requirementscannot be met, If such requirements cannot be met, the cables must be separated withspecified objects.Cabling Specifications for Power Cables and PGND CableslThe optical cables are routed in compliance with the engineering design and general cablingspecifications.lIf the cable is not long enough, replace the cable. Do not add connectors or solder joints tolengthen the cable.lThe cables are insulated if they are bound to and routed on the metal cable rack.lFuses or switches are not allowed on the cables.lThe -48 V power cable and the GND cable are bound together.3 Installing RRU and SRXU HardwareRRUUser Guide3-12 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
lBoth ends of the PGND cables are anti-corrosive and antirust. Connections of the PGNDcables are secure.lThe low-voltage AC power cable for the NodeB is covered with a metallic conduit andburied in the ground for at least 50 m before they are led into the equipment room. Notethat if such cables are shorter than 50 m, they must be completely buried in the ground. Ifsuch cables are routed overhead and led into the room, surge protection for the connectorsof the AC power cables are affected.lThe PGND cables are buried in the ground or routed indoors. The PGND cables cannot berouted overhead before they are led into the equipment room.Cabling Specifications for E1/T1 CableslThe optical cables are routed in compliance with the engineering design and general cablingspecifications.lThe E1/T1 cables cannot be routed overhead outdoors.lIf the E1/T1 cables are routed outdoors, coat the E1/T1 cables with PVC jackets and routethem underground based on the site conditions.lIf the E1/T1 cables routed outdoors are longer than 5 m, a surge protection box is required.lThe proper cable surpluses are reserved when the E1/T1 cables are curved.lThe idle wires of the E1/T1 cables are grounded properly in the equipment room.Cabling Specifications for Optical CableslThe optical cables are routed in compliance with the engineering design and general cablingspecifications.lReserve proper cable surpluses where the optical cables are curved.lDo not stretch, step, or place heavy objects on the optical cables. Keep the cables awayfrom sharp objects to avoid damage. The optical cable that is curved or pressed or the opticalconnector which is damaged cannot be used.lExtra optical cables are coiled on the specific device such as the fiber coiler. Coil extraoptical cables properly. Do not bend the cables forcibly to avoid damaging the cables.lUse protection tubes to coat the bare fibers.lThe idle connectors of the optical cables are covered with dustproof caps.lIf one end of the optical cable is connected to an optical device, do not look directly at theend face of the optical connector. Otherwise, you may damage your eyes.lFill soft materials such as fireproof cottons in the optical cable inlets at the top of the cabinetto protect the optical cables.lYou need to check whether the optical connectors are clean before installation. If the opticalconnectors are dirty, clean them by using the dustfree cloth or fiber cleaner.3.1.4 Requirements for the RRU Cabling on a TowerThis describes the requirements for the RRU cabling on a tower. Routing RRU cables on a towershould meet certain requirements to prevent damages to the cables or prevent interference to thesignals.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-13
Scenario of RRU Cabling on a TowerIn RRU installation scenarios, if you choose to install the RRU on the mast of a tower, you needto route the RRU cables on the tower. Figure 3-12 shows the installation scenario.Figure 3-12 Scenario of RRU cabling on a towerIn this scenario, you should install the following cables on the tower:lCPRI optical cable between the BBU and the RRU.lRRU power cable.Requirements for Routing Cables Through the Cable Hole at the Bottom of theCabinetRouting RRU cables through the cable hole at the bottom of the cabinet should meet the followingrequirements:lIf you route the cable through the cable hole at the bottom of the cabinet, coat the cablewith the PVC protection tube, as shown in Figure 3-13.3 Installing RRU and SRXU HardwareRRUUser Guide3-14 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-13 PVC protection tubelIf you route the cable coated with the protection tube on the ground or in the cable trough,do not step on or crush the cable.Requirements for Routing Cables in the Cable RackRouting RRU cables in the cable rack should meet the following requirements:lUse the cable clip to fasten the cables.lRoute the cables in a planned way. Do not let the cables occupy too much space.lThe cables should be put in order according to the routing direction, and then should befastened using the cable clips.lDetermine the installation points of the clips according to the field requirements. Usuallythe distance between two clips should be less than or equal to 1.5 m. Install the clips witheven spacing and in the same direction.lThe clip should be vertical to the cables and should not be bent. The cables fastened by thesame clip should be parallel, as shown in Figure 3-14.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-15
Figure 3-14 Installing the cable cliplDo not fasten the screws on the clip until the cables are properly arranged and routed.Figure 3-15 shows routing the cables in the cable rack.3 Installing RRU and SRXU HardwareRRUUser Guide3-16 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-15 Routing the cables in the cable rackRequirements for Routing Cables on the TowerRouting RRU cables on the tower should meet the following requirements:lUse the cable clip to fasten the cables.lRoute the cables in a planned way. Do not let the cables occupy too much space.lArrange the cables in order from top down to ensure that the cables are not twisted or tangledwith other cables. Then use clips to fasten the cables.lDetermine the installation points of the clips according to the field requirements. Usuallythe distance between two clips should be less than or equal to 1.5 m. Install the clips witheven spacing and in the same direction.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-17
lThe clip should be vertical to the cables and should not be bent. The cables fastened by thesame clip should be parallel, as shown in Figure 3-16.lFigure 3-16 Installing the cable clip on the towerlDo not fasten the screws on the clip until the cables are properly arranged and routed.Figure 3-17 shows routing the cables in the cable rack.3 Installing RRU and SRXU HardwareRRUUser Guide3-18 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-17 Routing the cables in the cable rack3.1.5 Connections of RRU and SRXU CablesThis describes the cable connections between the RRU, SRXU, and other devices such asBBU3806, external power supply, and antenna system.Cable Connections of One RRU with and Without the SRXUFigure 3-18 and Figure 3-19 show the cable connections of one RRU with and without theSRXU.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-19
Figure 3-18 Cable connections of one RRU without the SRXUNOTElWhen one RRU is installed, the PGND cable is connected to the grounding bolt on the RRU module.lThe AISG multi-wire cable connects the RRU to the RCU. When the distance between the RRU andthe RCU is too long, the AISG extension cable is used between the AISG multi-wire cable and theRCU.lThe antenna jumper directly connects the RRU to the antenna. When the distance between the RRUand the antenna is longer than 14 m, the feeder is required.3 Installing RRU and SRXU HardwareRRUUser Guide3-20 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-19 Cable connections of one RRU with the SRXUNOTEInterconnect jumper is used to implement the interconnection between combined RRUs or betweencombined SRXUs. The interconnection between the RRU and the SRXU, however, cannot be implemented.Cable Connections of Multiple RRUs with and Without the SRXUsFigure 3-20 and Figure 3-21 show the cable connections of multiple RRUs with and withoutthe SRXUs.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-21
Figure 3-20 Cable connections of multiple RRUs without the SRXUsNOTElThe interconnect jumper connects two RRUs and implements the networking in TX diversity mode.Figure 3-21 Cable connections of multiple RRUs with the SRXUsNOTEInterconnect jumper is used to implement the interconnection between combined RRUs or betweencombined SRXUs. The interconnection between the RRU and the SRXU, however, cannot be implemented.3 Installing RRU and SRXU HardwareRRUUser Guide3-22 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
3.1.6 Labels for DBS3836 CablesThis presents the types, appearance, and installation of the labels for DBS3836 cables. The labelsare attached to the power cable of the BBU3836, power cable of the RRU, E1 cable, CPRI opticalcable, and alarm cable.Labels for the CableslLabel for the BBU power cableQuantity of delivered labels: quantity of BBU power cables x 2Installation positions of the labels: 3 cm away from each end of the power cableSame labels are attached to both ends of the power cable. X ranges from 0 to 3, indicatingBBU0 through BBU3, as shown in Figure 3-22.Figure 3-22 Label for the BBU power cable (unit: mm)lLabel for the RRU power cableQuantity of delivered labels: quantity of RRU power cables x 2Installation positions of the labels: 3 cm away from each end of the power cableSame labels are attached to both ends of the power cable. X ranges from 0 to 5, indicatingRRU0 through RRU5, as shown in Figure 3-23.Figure 3-23 Label for the RRU power cable (unit: mm)lLabel for the E1 cableQuantity of delivered labels: quantity of E1 cables x 2Installation positions of the labels: 3 cm away from each end of the E1 cableRRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-23
Same labels are attached to both ends of the E1 cable. X ranges from 0 to 3, indicating Iub0through Iub3, as shown in Figure 3-24.Figure 3-24 Label for the E1 cable (unit: mm)lLabel for the CPRI optical cableQuantity of delivered labels: quantity of CPRI optical cables x 2Installation positions of the labels: 3 cm away from each end of the CPRI optical cableSame labels are attached to both ends of the CPRI optical cable. X ranges from 0 to 5,indicating the optical ports on the BBU and RRU, as shown in Figure 3-25.Figure 3-25 Label for the CPRI optical cable (unit: mm)lLabel for the alarm cableQuantity of delivered labels: quantity of RRU alarm cables x 2Installation positions of the labels: near the cable hole where the RRU alarm cable is routedout of the cabling cavityA label is attached near the cable hole where the RRU alarm cable is routed out of thecabling cavity. X ranges from 0 to 5, indicating RRU0 through RRU5, as shown in Figure3-26.3 Installing RRU and SRXU HardwareRRUUser Guide3-24 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-26 Label for the RRU alarm cable (unit: mm)Quantity of delivered labels: quantity of BBU alarm cables x 2Installation positions of the labels: near the cable hole where the BBU alarm cable is routedout of the cabling cavityA label is attached near the cable hole where the BBU alarm cable is routed out of thecabling cavity. X ranges from 0 to 5, indicating BBU0 through BBU5, as shown in Figure3-27.Figure 3-27 Label for the BBU alarm cable (unit: mm)Attaching a Label to a Cable1. Lead a cable tie through each pair of holes in the label, as shown in Figure 3-28. The cableties should be led in the same direction for better appearance.Figure 3-28 Leading cable ties through the holesRRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-25
(1) Cable tie (2) Label (3) Cable2. Bind the label to the cable, as shown in Figure 3-29. Cut off the surplus part of each cabletie.Figure 3-29 Binding the label to the cable(1) Cable tie (2) Cable (3) LabelNOTEEnsure that the labels are arranged in an orderly and neat manner and the cable ties are installed inthe same direction. An extra length ranging from 3 mm to 5 mm should be left for each cable tie.3.2 Procedure for Installing the RRU and SRXUThe procedure for installing the RRU and SRXU varies with the installation scenarios. Theprocedure involves making preparations, installing the RRU and SRXU, connecting relatedcables, checking the hardware installation, and installing the housing of the RRU and SRXU.ContextCAUTIONAfter the NodeB is installed, it must be powered on within 48 hours.NOTEContact Huawei engineers for confirmation if:lYou choose to prepare the devices, cables, and connectors by yourself.lYou need to shorten the cable of a specified length.ProcedureStep 1 Unpack the RRU and SRXU, check the items in the package, and prepare tools and instruments.Step 2 Install the RRU. The installation mode of the RRU varies with the installation scenarios.3 Installing RRU and SRXU HardwareRRUUser Guide3-26 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
l3.4 Installing the RRU on the Ground or RooftopIf... Then...Only one RRU needs to be installed, Go to 3.4.1 Installing a Single RRU.Two RRUs need to be installed, Go to 3.4.2 Install Two RRUs.Three RRUs need to be installed, Go to 3.4.3 Install Three RRUs. l3.5 Installing the RRU on the TowerStep 3 Check whether the SRXU needs to be installed. Perform the next step accordingly.If... Then...The SRXU needs to be installed, Go to Step 4.The SRXU does not need to be installed, Go to Step 5.Step 4 Install the SRXU. For details, refer to 3.6 Installing the SRXU.Step 5 Install RRU and SRXU cables. For details, refer to 3.7 Installing RRU and SRXU Cables.Step 6 Check RRU and SRXU hardware installation. For details, refer to Checking RRU and SRXUHardware Installation.Step 7 Install the housing of the RRU and SRXU. For details, refer to 3.9 Installing the Housing ofthe RRU and SRXU.----End3.3 Preparing for the NodeB InstallationThis describes how to prepare for the NodeB installation. Before installing the NodeB, you needto unpack the NodeB and prepare necessary tools.3.3.1 Unpacking Inspection for the NodeBThis describes how to unpack the NodeB and check the integrity of the equipment. This is aprerequisite for the successful installation.3.3.2 Tools and Instruments for NodeB InstallationThis describes the general tools, special tools, and instruments required for the NodeBinstallation.3.3.1 Unpacking Inspection for the NodeBThis describes how to unpack the NodeB and check the integrity of the equipment. This is aprerequisite for the successful installation.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-27
ContextCAUTIONWhen transporting, moving or installing the equipment, components, or parts, you must:lAvoid collision with doors, walls, shelves, and other objects.lAvoid touching the uncoated metal surface of the equipment, components, or parts with sweatsoaked or dirty gloves.ProcedureStep 1 Check the models and the quantity of components inside the packing case according to thepacking list.If… Then…The quantity matches with the packing list, Go to Step 2.The quantity does not match with thepacking list,Find out the cause and contact the localHuawei office.Step 2 Check whether the packing case is in good condition.If… Then…The packing case is in good condition, Go to Step 3.The packing case is damaged or soaked, Find out the cause and contact the local Huaweioffice.Step 3 Open the packing case. Check the shipped components according to the Packing List, and thenperform the next step according to the checking result.If… Then…The shipped components match with the packinglist,Sign the packing list with the customer.There is any short shipment, wrong shipment, ordamage to the goods,Fill in the Cargo Problems Report.3 Installing RRU and SRXU HardwareRRUUser Guide3-28 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
CAUTIONTo protect the equipment and find out the cause in the case of goods damage, you mustlStore the unpacked equipment and packing materials indoors.lTake photos of the storage environment, rusted or corroded devices, and packing cases andmaterials, and then file the photos.----End3.3.2 Tools and Instruments for NodeB InstallationThis describes the general tools, special tools, and instruments required for the NodeBinstallation.Table 3-1 lists the tools and instruments that need to be prepared before installation.Table 3-1 Tools and instrumentsGeneral tools MeasuringtoolsLong tape, 50 mm ribbon tape, 5 m measuring tape, 400mm level bar, and level instrumentMarkingtoolsMarking pen and pencilDrilling tools Percussion drill (with the Ф6, Ф8, Ф10, Ф12, Ф14, andФ16 bits) and vacuum cleanerClampingtoolsStraight screwdrivers (M3-M6)Cross screwdrivers (M3-M6)Adjustable wrenchSocket wrenches (M6, M8, M12, M14, M17, and M19)Double offset ring wrenches (M6, M8, M12, M14, M17,and M19)Combination wrench M17 and M19Long-arm wrenchPliers Sharp-nose pliers, diagonal pliers, pincer pliers, hand-held electric drill, file, handsaw, crowbar, rubberhammer, and claw hammerAuxiliarytoolsBrush, tweezers, paper knife, bellows, plumb, solderingiron, solder wires, fork, ladder, heat blower, solderabsorber, insulating tape, and USB memorySpecial tools Earth resistance tester, ESD wrist strap, a pair of ESD gloves, wirestripper, a clamping pincers, feeder cutter, a pair of crimping pliers forSMB, RJ-45 connector crimping pliers, wire punchdown tool, wire cutter,non-conductive screwdriver, safety knife, stripper for 75-ohm coaxialcables, a pair of connector crimping pliers for 75-ohm coaxial cables, anda pair of multi-purpose crimping pliersRRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-29
Instruments Multimeter, 500 V megohmmeter (for testing insulation resistance), BERtester, and optical power meter NOTEThe instruments must be checked and certified before put into use.3.4 Installing the RRU on the Ground or RooftopWhen the RRU needs to be installed on the ground or rooftop, it supports one-module, two-module centralized, and three-module centralized installation modes.3.4.1 Installing a Single RRUThis describes how to install a single RRU module and its mounting plate. The single RRU canbe installed on a metal pole or wall.3.4.1 Installing a Single RRUThis describes how to install a single RRU module and its mounting plate. The single RRU canbe installed on a metal pole or wall.ProcedureStep 1 Install the mounting plate of the RRU. The operation varies with the installation mode.If... Then...The RRU needs to be installed on a metalpole,Go to 3.4.1.1 Installing the Mounting Platesof the Single RRU on the Metal Pole.The RRU needs to be installed on a wall, Go to 3.4.1.2 Installing the Mounting Plateof the Single RRU on the Wall.Step 2 Perform the operations in 3.4.1.3 Installing the Single RRU Module.----End Installing the Mounting Plates of the Single RRU on the Metal PoleThis describes how to install the mounting plates on the metal pole.PrerequisiteThe metal pole is ready and the pole diameter is between 60 mm and 114 mm.ProcedureStep 1 Determine the position of the mounting plate by referring to the engineering design and 3.1.2Space Requirements of the RRU and SRXU.3 Installing RRU and SRXU HardwareRRUUser Guide3-30 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
NOTEIt is recommended that the upper fixture assembly be 1,200 mm to 1,600 mm above the ground.Step 2 Mount the upper fixture assembly on the metal pole. Ensure that the four ends of the fixtureassembly are on the same plane, as shown in Figure 3-30.Figure 3-30 Mounting the upper fixture assemblyNOTETwo pairs of holes can be used for mounting the fixture assembly, as shown in Figure 3-31. If the 60-95mm bolts are used, use pair 1. If the 90-114 mm bolts are used, use pair 2.Figure 3-31 Holes in the fixture assemblyStep 3 Use the level bar to check whether the four ends of the fixture assembly are on the same plane.Use the tape measure to check whether the two pole fixtures are parallel.NOTEIf the difference between L1 and L2, as shown in Figure 3-32, is beyond ±1 mm, the two pole fixtures arenot parallel.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-31
Figure 3-32 Measuring L1 and L2If... Then...The pole fixtures are neither horizontal norparallel,Go to Step 2 to adjust the fixture assembly.The pole fixtures are horizontal and parallel, Go to Step 4.Step 4 Use the holes numbered 1 in Figure 3-33.Figure 3-33 Holes in the multi-purpose attachment plateStep 5 Use three screws M6 x 20 to secure the multi-purpose attachment plate to the mounting plate,as shown in Figure 3-34.3 Installing RRU and SRXU HardwareRRUUser Guide3-32 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-34 Securing the multi-purpose attachment plate to the mounting plateStep 6 Install the third pole fixture on the mounting plate at the lower part of its back by tightening twobolts M10 x 40, as shown in Figure 3-35.Figure 3-35 Installing the third pole fixtureStep 7 Install the mounting plate by fitting the tabs on the mounting plate into the anchor slots in thepole fixture, as shown in Figure 3-36.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-33
Figure 3-36 Installing the mounting plateStep 8 Mount the fourth pole fixture to the metal pole by tightening two bolts M10 x 110 between thethird and the fourth pole fixtures, as shown in Figure 3-37.3 Installing RRU and SRXU HardwareRRUUser Guide3-34 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-37 Mounting the lower fixture assemblyNOTETwo pairs of holes can be used for mounting the fixture assembly, as shown in Figure 3-31. If the 60-95mm bolts are used, use pair 1. If the 90-114 mm bolts are used, use pair 2.----End Installing the Mounting Plate of the Single RRU on the WallThis describes how to install the mounting plate on the wall.ProcedureStep 1 Determine the position of the mounting plate.1. Determine the position of the mounting plate by referring to the engineering design and3.1.2 Space Requirements of the RRU and SRXU. Figure 3-38 shows the installedexpansion bolt assemblies and the RRU.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-35
Figure 3-38 Installed expansion bolt assemblies and the RRUNOTEIt is recommended that the bottom of the mounting plate be 1,200 mm to 1,600 mm above the ground.2. Place the mounting plate against the wall, and then use the marking pen to mark the fouranchor points. You can also mark four points according to the inter-hole distance, as shownin Figure 3-39.Figure 3-39 Determining the anchor pointsStep 2 Drill a hole at each anchor point and install the expansion bolt assembly, as shown in Figure3-40.3 Installing RRU and SRXU HardwareRRUUser Guide3-36 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-40 Drilling a hole and installing the expansion bolt assembly1. Use the percussion drill with a Φ14 bit to drill four holes at the anchor points.CAUTIONProtect yourself when drilling holes in the wall. Flying dust may hurt your eyes or you mayinhale the dust.NOTEThe drilled holes must be 52 mm to 60 mm deep.2. After the holes are drilled, use the cleaner to clean the dust both inside and around the holes.If the inter-hole distance is too long or too short, locate and drill holes again.3. Screw the expansion bolt slightly and put it into the hole. Hammer the assembly until theexpansion tube is completely buried into the hole.4. Remove the bolt M10 x 75, filling tube, spring washer 10, and flat washer 10 in turn.CAUTIONAfter disassembling the expansion bolt assembly, ensure that the top of the expansion tubeis completely buried into the wall. If it is not completely buried, the mounting plate cannotbe steady on the wall.Step 3 Secure the mounting plate, as shown in Figure 3-41.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-37
Figure 3-41 Securing the mounting plate1. Place the mounting plate against the wall, and then align the mounting plate with the fourmarked anchor points.2. Lead each bolt M10 x 75 through the spring washer 10, flat washer 10, and insulatingwasher in turn. Then, lead each assembled bolt through the hole in the mounting plate,insulating block, and finally into the expansion tube through the hole in the wall.CAUTIONWhen installing the bolt, remove the filling tube, and then use the insulating washer andinsulating block that are delivered with the mounting plate, as shown in Figure 3-42.Figure 3-42 Filling tube, insulating washer, and insulating block3. Use the wrench to fix the mounting plate to the wall by tightening the bolts clockwise.----End3 Installing RRU and SRXU HardwareRRUUser Guide3-38 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Installing the Single RRU ModuleThis describes how to install the RRU module on a metal pole. Regardless of whether themounting plate is installed on a metal pole or on a wall, the procedures for installing the moduleare the same.PrerequisitelThe RRU mounting plate is installed.lIf the RRU needs to be installed on a metal pole, the metal pole is already grounded.ContextThe RRU module can be installed in either ordinary mode or reverse mode. In reverse mode,the front of the RRU is fixed to the mounting plate. Figure 3-43 shows two RRUs with one inordinary mode and the other in reverse mode.Figure 3-43 One RRU in ordinary mode and the other in reverse modeNOTElBefore delivery, the plastic housing of the RRU is already fixed to the module. The previous figureomits the plastic housing for a better illustration of ordinary and reverse modes.lBefore delivery, the plastic housing of the RRU is fixed in the assumption that the RRU needs to beinstalled in ordinary mode. If you want to install the RRU in reverse mode, remove the plastic housingfirst. For detailed procedure, refer to 3.4.2.3 Installing the Two RRU Modules.ProcedureStep 1 Use two screws M6 x 20 to secure the attachment plate to the module, as shown in Figure3-44.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-39
Figure 3-44 Securing the attachment plateCAUTIONWhen installing the attachment plate, protect the plastic housing from being scratched.lIf you find that the plastic housing is put face down when unpacking the RRU, install theattachment plate before taking out the RRU.lIf you find that the plastic housing is put face up, lay cardboards or packing bags on theground. Then, take out the RRU and install the attachment plate.Step 2 Fit the tabs on the attachment plate into the anchor slots of the mounting plate, as shown inFigure 3-45.3 Installing RRU and SRXU HardwareRRUUser Guide3-40 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)
Figure 3-45 Installing the moduleCAUTIONThe tabs on the attachment plate must be fitted into the middle pair of anchor slots in the mountingplate.Step 3 Lead two screws M6 x 20 through the holes in the bottom of the module. Then, secure the moduleto the mounting plate, as shown in Figure 3-46.RRUUser Guide 3 Installing RRU and SRXU HardwareIssue 01 (2008-04-18) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd3-41
Figure 3-46 Securing the module----End3.4.2 Install Two RRUsThis describes how to install two RRU modules and their mounting plates. The two RRUs canbe installed on a metal pole or wall.ProcedureStep 1 Install the mounting plate of the RRU. The operation varies with the installation mode.If... Then...The RRU needs to be installed on a metalpole,Go to 3.4.2.1 Installing the Mounting Platesof the Two RRUs on the Metal Pole.The RRU needs to be installed on a wall, Go to 3.4.2.2 Installing the Mounting Platesof the Two RRUs on the Wall.Step 2 Install the two RRU modules. For details, refer to 3.4.2.3 Installing the Two RRU Modules.----End3.4.2.1 Installing the Mounting Plates of the Two RRUs on the Metal PoleThis describes how to install the mounting plates on the metal pole.3 Installing RRU and SRXU HardwareRRUUser Guide3-42 Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., LtdIssue 01 (2008-04-18)

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