BTS3900 GSM Installation Guide(V300_13).pdf

BTS3900 GSMV300

Installation Guide

Issue 13

Date 2010-10-30

HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2010. 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 trademarks of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respective holders. NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within thepurchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees or representationsof any kind, either express or implied.

The 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 all statements, information, andrecommendations in this document do not constitute the warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.Address: Huawei Industrial Base

Bantian, LonggangShenzhen 518129People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

Issue 13 (2010-10-30) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.

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http://www.huawei.com

mailto:[email protected]

About This Document

PurposeThis document describes installation of the BTS3900 cabinet, boards, modules, and cables. Italso provides checklists for hardware installation.

Product VersionsThe following table lists the product versions related to this document.

Product Name Product Version

BTS3900 GSM V300R008

V300R009

V100R012

Intended Audiencel Base station installation engineers

Organization1 Changes in the BTS3900 GSM Installation Guide

This chapter describes the changes in the BTS3900 GSM Installation Guide.

2 Preparing for Installation

This section describes the tools and meters that need to be available before the installation. Italso describes the skills and qualifications that the installation engineers must possess.

3 Information About the Installation

BTS3900 cabinets can be classified into -48 V cabinet, +24 V cabinet, and +220 V cabinet. Youneed to familiarize yourself with the related information and clearance requirements before thecabinet installation.

BTS3900 GSMInstallation Guide About This Document


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4 Unpacking the Equipment

You need to unpack and check the delivered equipment and ensure that all the materials areincluded and intact.

5 Obtaining the ESN

The Electronic Serial Number (ESN) is a unique identifier of a Network Element (NE). TheESN is used during the commissioning of a base station.

6 Installation Procedure

The BTS3900 cabinets are delivered with boards installed. The installation procedure on siteinvolves installing the base, installing the cabinet, and installing the cables. For the vehicle-mounted cabinet, the base is not required, and the vibration isolators and dampers needs to beinstalled. In addition, some optional components can be installed on site as required.

7 Checking the Installed Modules and Cables

The internal modules and cables are installed in the cabinet before delivery. You need to checkthat the modules and cables are securely connected.

8 Installing the Vibration Isolators and Dampers

Four vibration isolators need to be installed at the bottom of the vehicle-mounted cabinet, andtwo dampers need to be installed at the back of the cabinet.

9 Installing the Base

The BTS3900 cabinet must be installed on the base. The base can be installed on the concretefloor or ESD floor according to the equipment room conditions and customer requirements.

10 Installing the Cabinet

The BTS3900 cabinets can be flexibly installed. In different scenarios, a single cabinet can beseparately installed and two cabinets can be installed side-by-side or stacked.

11 Installing the PGND Cable and Equipotential Cable

The equipotential PGND cable is used to connect the PGND bolts on the cabinets to the PGNDgrounding bars on site, ensuring that the cabinets are properly grounded. The equipotential cableis used to connect the PGND bolts on the cabinets, ensuring the equipotential connectionsbetween the cabinets.

12 (Optional) Installing the Modules

The mandatory modules in the cabinet are already installed. The optional modules can beinstalled on site according to different field requirements.

13 Installing the Cables

The BTS3900 cabinet is delivered with boards installed, and the internal cables are alreadyinstalled. Therefore, only the external cables and cables for the optional modules need to beinstalled on site.

14 Installation Checklist

After the cabinets and devices are all installed, you need to check the installation items,installation environment, and cable-related items.

15 Performing the Power-On Check

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Issue 13 (2010-10-30)

Before the cabinets are put into use, you need to check the power-on status of the cabinets.

ConventionsSymbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol Description

Indicates a hazard with a high level of risk, which if notavoided,will result in death or serious injury.

Indicates a hazard with a medium or low level of risk, whichif not avoided, could result in minor or moderate injury.

Indicates a potentially hazardous situation, which if notavoided,could result in equipment damage, data loss,performance degradation, or unexpected results.

Indicates a tip that may help you solve a problem or savetime.

Provides additional information to emphasize or supplementimportant points of the main text.

General Conventions

The general conventions that may be found in this document are defined as follows.

Convention Description

Times New Roman Normal paragraphs are in Times New Roman.

Boldface Names of files, directories, folders, and users are inboldface. For example, log in as user root.

Italic Book titles are in italics.

Courier New Examples of information displayed on the screen are inCourier New.

Command Conventions

The command conventions that may be found in this document are defined as follows.


Boldface The keywords of a command line are in boldface.

Italic Command arguments are in italics.



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[ ] Items (keywords or arguments) in brackets [ ] are optional.

{ x | y | ... } Optional items are grouped in braces and separated byvertical bars. One item is selected.

[ x | y | ... ] Optional items are grouped in brackets and separated byvertical bars. One item is selected or no item is selected.

{ x | y | ... }* Optional items are grouped in braces and separated byvertical bars. A minimum of one item or a maximum of allitems can be selected.

[ x | y | ... ]* Optional items are grouped in brackets and separated byvertical bars. Several items or no item can be selected.

GUI Conventions

The GUI conventions that may be found in this document are defined as follows.


Boldface Buttons, menus, parameters, tabs, window, and dialog titlesare in boldface. For example, click OK.

> Multi-level menus are in boldface and separated by the ">"signs. For example, choose File > Create > Folder.

Keyboard Operations

The keyboard operations that may be found in this document are defined as follows.

Format Description

Key Press the key. For example, press Enter and press Tab.

Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt+A means the three keys should be pressed concurrently.

Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A meansthe two keys should be pressed in turn.

Mouse Operations

The mouse operations that may be found in this document are defined as follows.

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Action Description

Click Select and release the primary mouse button without movingthe pointer.

Double-click Press the primary mouse button twice continuously andquickly without moving the pointer.

Drag Press and hold the primary mouse button and move thepointer to a certain position.



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Contents

About This Document...................................................................................................................iii

1 Changes in the BTS3900 GSM Installation Guide..............................................................1-1

2 Preparing for Installation.........................................................................................................2-12.1 Preparing Tools and Meters............................................................................................................................ 2-22.2 Skills and Qualifications of Installation Engineers.........................................................................................2-2

3 Information About the Installation........................................................................................3-13.1 Hardware Structure of the BTS3900 Cabinet (-48 V).....................................................................................3-23.2 Hardware Structure of the BTS3900 Cabinet (+24 V)....................................................................................3-33.3 Hardware Structure of the BTS3900 Cabinet (220 V)....................................................................................3-43.4 Installation Clearance and Position Requirements..........................................................................................3-5

4 Unpacking the Equipment.......................................................................................................4-1

5 Obtaining the ESN.....................................................................................................................5-1

6 Installation Procedure...............................................................................................................6-1

7 Checking the Installed Modules and Cables........................................................................7-1

8 Installing the Vibration Isolators and Dampers .................................................................8-1

9 Installing the Base......................................................................................................................9-19.1 Installing the Base on the Concrete Floor.......................................................................................................9-29.2 Installing the Base on the ESD Floor..............................................................................................................9-5

10 Installing the Cabinet............................................................................................................10-110.1 Installing the Vehicle-mounted Cabinet......................................................................................................10-210.2 Installing a Single Cabinet Separately........................................................................................................10-310.3 Installing Two Cabinets Side-by-Side.........................................................................................................10-510.4 Stacking Two Cabinets................................................................................................................................10-6

11 Installing the PGND Cable and Equipotential Cable....................................................11-1

12 (Optional) Installing the Modules......................................................................................12-112.1 Installing the GPS Surge Protector..............................................................................................................12-212.2 Installing the DDF.......................................................................................................................................12-312.3 Installing the GATM and Bias-Tee.............................................................................................................12-5

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13 Installing the Cables..............................................................................................................13-113.1 Cabling Requirements.................................................................................................................................13-213.2 Cable Routing Principles.............................................................................................................................13-313.3 Installing the Power Cables.........................................................................................................................13-4

13.3.1 Installing the Input Power Cable for the -48 V Cabinet.....................................................................13-513.3.2 Installing the Input Power Cable for the +24 V Cabinet....................................................................13-613.3.3 Installing the Input Power Cable for the 220 V Cabinet....................................................................13-7

13.4 Installing the Transmission Cables.............................................................................................................13-913.4.1 Installing the E1/T1 Cable................................................................................................................13-1013.4.2 Installing the FE/GE Cable..............................................................................................................13-11

13.5 Installing the CPRI Cables Between the Cabinets....................................................................................13-1113.6 Installing the Monitoring Signal Cable (Optional) Between Two Cabinets.............................................13-13

13.6.1 Installing the Cascading Signal Cable for the Fan Units.................................................................13-1413.6.2 Installing the In-Position Signal Cable for the PSU (DC/DC).........................................................13-1513.6.3 Installing the Monitoring Signal Cable for the PSU (DC/DC)........................................................13-17

13.7 Installing the Monitoring Signal Cable for the EMU................................................................................13-1913.8 Installing the RF Jumper...........................................................................................................................13-20

14 Installation Checklist............................................................................................................14-1

15 Performing the Power-On Check........................................................................................15-1

ContentsBTS3900 GSM

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Figures

Figure 3-1 BTS3900 cabinet (-48 V) in typical configuration.............................................................................3-2Figure 3-2 BTS3900 cabinet (-48 V) in full configuration..................................................................................3-2Figure 3-3 BTS3900 cabinet (+24 V) in typical configuration............................................................................3-3Figure 3-4 BTS3900 cabinet (+24 V) in full configuration................................................................................. 3-3Figure 3-5 BTS3900 cabinet (220 V) in typical configuration............................................................................ 3-4Figure 3-6 BTS3900 cabinet (220 V) in full configuration..................................................................................3-4Figure 3-7 Cabinet installation clearance requirements.......................................................................................3-5Figure 3-8 Cabinet layout requirements...............................................................................................................3-6Figure 3-9 Installation clearance requirements for the cabinet............................................................................3-6Figure 5-1 Obtaining the ESN (1)........................................................................................................................5-1Figure 5-2 Obtaining the ESN (2)........................................................................................................................5-2Figure 6-1 Installation procedure.........................................................................................................................6-2Figure 7-1 Internal power cables..........................................................................................................................7-2Figure 7-2 Internal signal cables..........................................................................................................................7-4Figure 8-1 Installation positions...........................................................................................................................8-1Figure 8-2 Tightening screws...............................................................................................................................8-2Figure 9-1 Positioning the cabinet........................................................................................................................9-2Figure 9-2 Drilling a hole and installing an expansion bolt assembly.................................................................9-2Figure 9-3 Fixing the base....................................................................................................................................9-3Figure 9-4 Checking the base level......................................................................................................................9-4Figure 9-5 Measuring the resistance between the adjusting bolt and the expansion bolt.................................... 9-4Figure 9-6 Support for installing the ESD floor ..................................................................................................9-5Figure 9-7 Drilling a hole on the ESD floor.........................................................................................................9-6Figure 9-8 Positions of the access holes in the support and holes in the ESD floor............................................9-7Figure 9-9 Marking the positions of the mounting holes.....................................................................................9-7Figure 9-10 Securing the supports for installing the ESD floor...........................................................................9-8Figure 10-1 Securing the cabinet on the plate....................................................................................................10-2Figure 10-2 Securing the supports and dampers................................................................................................10-3Figure 10-3 Removing the cabinet door.............................................................................................................10-4Figure 10-4 Installing the cabinet door..............................................................................................................10-4Figure 10-5 Installing the cabinet.......................................................................................................................10-5Figure 10-6 Removing the connecting pieces....................................................................................................10-6Figure 10-7 Installing the connecting pieces......................................................................................................10-6

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Figure 10-8 Removing the rubber screws and connecting pieces......................................................................10-7Figure 10-9 Removing the cover plate...............................................................................................................10-7Figure 10-10 Securing the cabinet......................................................................................................................10-8Figure 11-1 Installing the OT terminal in a correct way....................................................................................11-2Figure 11-2 Installing the PGND cable for the BTS3900 cabinet (-48 V DC)..................................................11-2Figure 11-3 Installing the PGND cable for the BTS3900 cabinet (+24 V DC).................................................11-3Figure 11-4 Installing the PGND cable and equipotential cable for the BTS3900 cabinets (-48 V DC)..........11-4Figure 11-5 Installing the PGND cable and equipotential cable for the BTS3900 cabinets (+24 V DC).........11-4Figure 11-6 Installing the PGND cable and equipotential cable for the BTS3900 cabinets (-48 V DC)..........11-5Figure 12-1 Installing the support for the GPS surge protector.........................................................................12-2Figure 12-2 Installing the GPS signal cable.......................................................................................................12-2Figure 12-3 Installing the GPS surge protector..................................................................................................12-3Figure 12-4 DDF cable distribution effect.........................................................................................................12-4Figure 12-5 Installing the DDF in the BTS3900................................................................................................12-5Figure 12-6 Cable connection ports of the straight DIN Bias-Tee.....................................................................12-6Figure 12-7 Cable connections...........................................................................................................................12-7Figure 12-8 Installing the straight DIN Bias-Tee...............................................................................................12-8Figure 13-1 Cable routing in a single cabinet....................................................................................................13-4Figure 13-2 Cable routing in stacked cabinets...................................................................................................13-4Figure 13-3 Installing the -48 V input power cable...........................................................................................13-6Figure 13-4 Installing the +24 V input power cable..........................................................................................13-7Figure 13-5 Adding an OT terminals to the power cable...................................................................................13-8Figure 13-6 220 V AC single-phase power cable..............................................................................................13-8Figure 13-7 220 V AC three-phase power cable................................................................................................13-9Figure 13-8 110 V AC dual-live-wire power cable............................................................................................13-9Figure 13-9 Installing the E1/T1 cable (1).......................................................................................................13-10Figure 13-10 Installing the E1/T1 cable (2).....................................................................................................13-10Figure 13-11 Installing the FE/GE cable..........................................................................................................13-11Figure 13-12 CPRI cable connections between two cabinets installed side-by-side.......................................13-12Figure 13-13 CPRI cable connections between stacked cabinets....................................................................13-13Figure 13-14 Connection of the signal cable between combined cabinets......................................................13-14Figure 13-15 Connection of the signal cable between stacked cabinets..........................................................13-15Figure 13-16 Connection of the signal cable between combined cabinets......................................................13-16Figure 13-17 Connection of the signal cable between stacked cabinets..........................................................13-17Figure 13-18 Connection of the signal cable between combined cabinets......................................................13-18Figure 13-19 Connection of the signal cable between stacked cabinets..........................................................13-19Figure 13-20 Installing RF jumpers in a single cabinet...................................................................................13-20Figure 13-21 Installing RF jumpers in stacked cabinets..................................................................................13-21Figure 15-1 Power-on check procedure.............................................................................................................15-2

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Tables

Table 7-1 Internal power cable.............................................................................................................................7-2Table 7-2 Internal signal cables............................................................................................................................7-4Table 9-1 Height of the support for installing the ESD floor...............................................................................9-6Table 11-1 Specifications of the PGND cable and equipotential cable..............................................................11-1Table 12-1 Cable connections of the straight DIN Bias-Tee..............................................................................12-6Table 14-1 Cabinet installation checklist...........................................................................................................14-1Table 14-2 Installation environment checklist...................................................................................................14-1Table 14-3 Electric connection checklist of the cabinet.....................................................................................14-2

BTS3900 GSMInstallation Guide Tables


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1 Changes in the BTS3900 GSM InstallationGuide

This chapter describes the changes in the BTS3900 GSM Installation Guide.

13 (2010-10-30)This is the twelfth commercial release.

Compared with issue 12 (2010-09-03), no information is added.

Compared with issue 12 (2010-09-03), this issue incorporates the following change:

Content Change Description

About This Document The version number changes from V300R012to V100R012.

Compared with issue 12 (2010-09-03), no information is deleted.

12 (2010-09-03)This is the eleventh commercial release.

Compared with issue 11 (2010-07-30), this issue is added with the following topic:l 13.6 Installing the Monitoring Signal Cable (Optional) Between Two Cabinets

Compared with issue 10 (2010-06-30), no information is modified.

Compared with issue 11 (2010-07-30), Installing the CPRI cables between the cabinets isdeleted.

11 (2010-07-30)This is the tenth commercial release.

Compared with issue 10 (2010-06-30), this issue is added with the following topic:l 12.2 Installing the DDF

BTS3900 GSMInstallation Guide 1 Changes in the BTS3900 GSM Installation Guide


1-1



10 (2010-06-30)This is the ninth commercial release.




12.3 Installing the GATM and Bias-Tee This describes the procedures andprecautions for the installation of the GATMand Bias-Tee when they are used togetherwith the DRFU.


09 (2010-05-10)This is the eighth commercial release.


Compared with issue 08 (2010-04-10), there are some editorial changes.


08 (2010-04-10)This is the seventh commercial release.




13.4.1 Installing the E1/T1 Cable The procedure for installation is modified.


07 (2010-03-15)This is the sixth commercial release.

Compared with issue 06 (2010-01-30), this issue is added with the following topic:l 3 Information About the Installation


1 Changes in the BTS3900 GSM Installation GuideBTS3900 GSM

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06 (2010-01-30)

This is the fifth commercial release.

Compared with issue 05 (2009-12-30), this issue is added with the following topic:l 5 Obtaining the ESN



9.1 Installing the Base on the ConcreteFloor

The base is changed.

9.2 Installing the Base on the ESD Floor


05 (2009-12-30)

This is the fourth commercial release.

Compared with issue 04 (2009-09-30), no topic is added.



3.4 Installation Clearance and PositionRequirements

The description of vehicle-mounted cabinetis added.


8 Installing the Vibration Isolators andDampers

10.1 Installing the Vehicle-mountedCabinet

Compared with issue 04 (2009-09-30), no topic is deleted.

04 (2009-09-30)

This is the third commercial release.




BTS3900 GSMInstallation Guide 1 Changes in the BTS3900 GSM Installation Guide


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03 (2009-07-15)This is the second commercial release.




02 (2009-04-20)This is the first commercial release.



Compared with issue 01 (2009-03-31), no information is deleted..

01 (2009-03-31)This is the draft release.

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2 Preparing for Installation

About This Chapter

This section describes the tools and meters that need to be available before the installation. Italso describes the skills and qualifications that the installation engineers must possess.

2.1 Preparing Tools and MetersThis section describes the tools and meters that need to be prepared before installation.

2.2 Skills and Qualifications of Installation EngineersInstallation engineers must obtain related qualifications and master proper operation skills afterbeing trained for safety precautions.

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2.1 Preparing Tools and MetersThis section describes the tools and meters that need to be prepared before installation.

Marking pen Phillips screwdriver (M3 toM6)

Flat-head screwdriver (M3 toM6)

Diagonal pliers

Combination wrench(capacity 32 mm)

Socket wrench Torque wrench

Power cable crimping tool RJ11 crimping tool Cable cutter

Rubber mallet Soldering iron Wire stripper

Hammer drill (Ø16) Heat gun Level

Multimeter Measuring tape Vacuum cleaner

2.2 Skills and Qualifications of Installation EngineersInstallation engineers must obtain related qualifications and master proper operation skills afterbeing trained for safety precautions.

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Customers must meet the following requirements regarding installation engineers:

l Installation engineers must take Huawei trainings.l The number of installation engineers is determined based on engineering progress and

installation environment. Three to five installation engineers are recommended.

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3 Information About the Installation

About This Chapter

BTS3900 cabinets can be classified into -48 V cabinet, +24 V cabinet, and +220 V cabinet. Youneed to familiarize yourself with the related information and clearance requirements before thecabinet installation.

3.1 Hardware Structure of the BTS3900 Cabinet (-48 V)The BTS3900 cabinet (-48 V) houses the RFUs, fan box, BBU, and DCDU-01. In addition, sparespace in the cabinet is available for customer equipment.

3.2 Hardware Structure of the BTS3900 Cabinet (+24 V)The BTS3900 cabinet (+24 V) houses the RFUs, fan box, BBU, DCDU-01, and PSUs (DC/DC).

3.3 Hardware Structure of the BTS3900 Cabinet (220 V)The BTS3900 cabinet (220 V) houses the RFUs, fan box, BBU, DCDU-01, PSUs (AC/DC), andPMU.

3.4 Installation Clearance and Position RequirementsThe installation of cabinets must meet the requirements of the proper design, practicalinstallation, and elegant layout.

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3.1 Hardware Structure of the BTS3900 Cabinet (-48 V)The BTS3900 cabinet (-48 V) houses the RFUs, fan box, BBU, and DCDU-01. In addition, sparespace in the cabinet is available for customer equipment.

The BTS3900 cabinet (-48 V) can house three RFUs in typical configuration or six RFUs in fullconfiguration. Figure 3-1 and Figure 3-2 show the BTS3900 cabinet (-48 V) in typicalconfiguration and in full configuration respectively.

Figure 3-1 BTS3900 cabinet (-48 V) in typical configuration

Figure 3-2 BTS3900 cabinet (-48 V) in full configuration

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3.2 Hardware Structure of the BTS3900 Cabinet (+24 V)The BTS3900 cabinet (+24 V) houses the RFUs, fan box, BBU, DCDU-01, and PSUs (DC/DC).

The BTS3900 cabinet (+24 V) supports the 3RFU typical configuration and the 6RFU fullconfiguration. Figure 3-3 and Figure 3-4 show the BTS3900 cabinet (+24 V) in typicalconfiguration and in full configuration respectively.

Figure 3-3 BTS3900 cabinet (+24 V) in typical configuration

Figure 3-4 BTS3900 cabinet (+24 V) in full configuration



3-3

3.3 Hardware Structure of the BTS3900 Cabinet (220 V)The BTS3900 cabinet (220 V) houses the RFUs, fan box, BBU, DCDU-01, PSUs (AC/DC), andPMU.

The BTS3900 cabinet (220 V) supports the 3RFU typical configuration and the 6RFU fullconfiguration. Figure 3-5 and Figure 3-6 show the BTS3900 cabinet (220 V) in typicalconfiguration and in full configuration respectively.

Figure 3-5 BTS3900 cabinet (220 V) in typical configuration

Figure 3-6 BTS3900 cabinet (220 V) in full configuration


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3.4 Installation Clearance and Position RequirementsThe installation of cabinets must meet the requirements of the proper design, practicalinstallation, and elegant layout.

Installation Clearance Requirements

The clearance requirements for the BTS3900 cabinets are as follows:l The cabinet can be installed with its back against the wall.l The cabinet can be installed with one side against the wall.l At least 800 mm in front of the cabinet should be reserved for maintenance.l At least 200 mm on top of the cabinet should be reserved for cabling.

Figure 3-7 shows the installation clearance requirements when a single cabinet is installed, twocabinets are installed side-by-side, and two cabinets are stacked.

Figure 3-7 Cabinet installation clearance requirements

Cabinet Layout Requirements

The layout requirements for the BTS3900 cabinets are as follows:l The cabinets are as close to the feeder window as possible so that the feeders can be saved

in length.l The cabinets are installed in a row in the same equipment room for easy cabling.



3-5

l No space is reserved for the cabinets and other devices if they are installed side-by-side.

Figure 3-8 shows the layout requirements (unit: mm) for the installation of the BTS3900cabinets.

Figure 3-8 Cabinet layout requirements

Clearance Requirements for the Vehicle CabinetThe clearance requirements for the vehicle cabinet are as follows:l At least 800 mm in front of the cabinet is reserved.l At least 800 mm on top of the cabinet is reserved.

Figure 3-9 shows the installation clearance requirements for the cabinet.

Figure 3-9 Installation clearance requirements for the cabinet


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3-7

4 Unpacking the Equipment

You need to unpack and check the delivered equipment and ensure that all the materials areincluded and intact.

ContextNOTE

When transporting, lifting, or installing the equipment or components, you must:

l Prevent them from colliding with doors, walls, shelves, or other objects.

l Wear clean gloves, and avoid touching the equipment or components with bare hands or sweat-soakedor dirty gloves.

Procedure

Step 1 Check whether the total number of components in each case matches that in the packing list.

If... Then...

The total number matches that in thepacking list

Go to Step 2.

The total number does not match that in thepacking list

Find out the cause and report it to the localHuawei office.

Step 2 Check whether the packing case is in good condition.

If... Then...

The outer packing is in good condition Go to Step 3.

The outer packing is severely damaged orsoaked

Find out the cause and report it to the localHuawei office.

Step 3 Check the type and quantity of the equipment in the cases according to the packing list.

BTS3900 GSMInstallation Guide 4 Unpacking the Equipment


4-1

If... Then...

Types and quantity of the components arein conformity with those on the packing list

Sign the packing list with the customer.

There is wrong delivery or shortage ofcomponents

Fill in the Cargo Shortage and MiscarriageReport and submit it.

There are damaged components Fill in the Goods Replacement Report andsubmit it.

WARNINGTo protect the equipment and help find out the cause for any damage in the future, you need tokeep the unpacked equipment and packing materials in indoor environment, take photos of thestocking environment, rusted or eroded equipment, packing case or carton, and packingmaterials, and then file the photos.

----End

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5 Obtaining the ESN

The Electronic Serial Number (ESN) is a unique identifier of a Network Element (NE). TheESN is used during the commissioning of a base station.

Procedure

Step 1 Record the ESN on the BBU.l If there is not a label on the FAN unit of the BBU, you must record the ESN and site

information that is printed on a mounting ear of the BBU. Figure 5-1 shows the position ofthe ESN.

l If there is a label on the FAN unit of the BBU, the ESN is printed on the label and a mountingear of the BBU. In this case, you must take the label and record the site information on theside labeled Site, as shown in Figure 5-2.

Figure 5-1 Obtaining the ESN (1)

BTS3900 GSMInstallation Guide 5 Obtaining the ESN


5-1

Figure 5-2 Obtaining the ESN (2)

Step 2 Report the ESN to the engineer for the commissioning of the base station.

Step 3 Close and lock the cabinet door.

----End

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The BTS3900 cabinets are delivered with boards installed. The installation procedure on siteinvolves installing the base, installing the cabinet, and installing the cables. For the vehicle-mounted cabinet, the base is not required, and the vibration isolators and dampers needs to beinstalled. In addition, some optional components can be installed on site as required.

Figure 6-1 shows the installation procedure.

BTS3900 GSMInstallation Guide 6 Installation Procedure


6-1

Figure 6-1 Installation procedure

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7 Checking the Installed Modules and Cables

The internal modules and cables are installed in the cabinet before delivery. You need to checkthat the modules and cables are securely connected.

Module ChecklistThe modules are securely connected to the cabinet, and the screws are tightened.

Cable ChecklistCheck whether the power cables and screws are properly and securely fixed in the cabinet byreferring to Figure 7-1 and Table 7-1.

BTS3900 GSMInstallation Guide 7 Checking the Installed Modules and Cables


7-1

Figure 7-1 Internal power cables

(1) -48 V cabinet (2) +24 V cabinet (3) AC cabinet

Table 7-1 Internal power cable

SN Cable One end The other end

Connector InstallationPosition


P1 toP6

RFU PowerCable

3V3 powerconnector

PWR port onthe RFU

Parallelterminal

Ports RFU0 toRFU5 on theDCDU-01

P7 Fan BoxPower Cable

3V3 powerconnector

-48 V port ofthe fan box

Parallelterminal

FAN port onthe DCDU-01

P8 BBU PowerCable

3V3 powerconnector

PWR port onthe UPEU

Parallelterminal

BBU port onthe DCDU-01

P9 DCDU-01Power Cable

OT terminal RTN(+) porton theDCDU-01

OT terminal RTN(+)wiringterminal forpower outputof the powersubrack (DC/DC)

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OT terminal NEG(-) porton theDCDU-01

OT terminal LOAD(-)wiringterminal forpower outputof the powersubrack (DC/DC)


OT terminal RTN(+) porton theDCDU-01

OT terminal RTN(+)wiringterminal forpower outputof the powersubrack (AC/DC)


OT terminal NEG(-) porton theDCDU-01

OT terminal LOAD1(-) orLOAD2(-)wiringterminal forpower outputof the powersubrack (AC/DC)

Check whether the signal cables and screws are properly and securely fixed in the cabinet byreferring to Figure 7-2 and Table 7-2.



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Figure 7-2 Internal signal cables

(1) -48 V cabinet (2) +24 V cabinet (3) AC cabinet

Table 7-2 Internal signal cables




S1 Monitoringsignal cablefor the fanbox

RJ-45 COM IN portof the fan box

RJ-45 MON0 porton the UPEU

S2 ELU signalcable

RJ-45 SENSOR portof the fan box

RJ-45 ELU

S3 Monitoringsignal cablefor the PSU(DC/DC)

Cord endterminal

ALM port ofthe powersubrack (DC/DC)

RJ-45 EXT-ALM0port on theUPEU

S4 In-positionsignal cablefor the PSU(DC/DC)

RJ-45 PRESENTport of thepower subrack(DC/DC)

RJ-45 EXT-ALM1port on theUPEU

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S5 Monitoringsignal cablefor the PMU

RJ-45 RS232/RS422 port onthe PMU

RJ-45 MON1 porton the UPEU

Check and ensure the secure connections of the CPRI cables, which are installed inside thecabinets based on different configurations of the cabinets before delivery. For details about howto remove and insert the CPRI cable, see Inserting and Removing CPRI Cables.



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8 Installing the Vibration Isolators andDampers

Four vibration isolators need to be installed at the bottom of the vehicle-mounted cabinet, andtwo dampers need to be installed at the back of the cabinet.

Procedure

Step 1 Determine the installation positions for the vibration isolators and dampers by referring to Figure8-1 and 3.4 Installation Clearance and Position Requirements.

Figure 8-1 Installation positions

1048.5mm

405mm

158mm 77m

m

A×2

150.

7mm

310m

m

405mm

B×4

Step 2 Place the plate on the vibration isolators by using a torque wrench until the tightening torquereaches 45 N·m, as shown in Figure 8-2.

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8-1

Figure 8-2 Tightening screws

----End

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9 Installing the Base

About This Chapter

The BTS3900 cabinet must be installed on the base. The base can be installed on the concretefloor or ESD floor according to the equipment room conditions and customer requirements.

9.1 Installing the Base on the Concrete FloorThis section describes the procedure and precautions to be taken for installing the base on theconcrete floor.

9.2 Installing the Base on the ESD FloorThis section describes the procedure and precautions to be taken for installing the base on theESD floor.

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9.1 Installing the Base on the Concrete FloorThis section describes the procedure and precautions to be taken for installing the base on theconcrete floor.

Procedure

Step 1 Determine the position of the cabinet by referring to the marking template, as shown in Figure9-1.

Figure 9-1 Positioning the cabinet

(1) Anchor hole (2) Concrete floor (3) Marking template

Step 2 Drill a hole at each anchor point, and then install the expansion bolt assembly, as shown inFigure 9-2.

Figure 9-2 Drilling a hole and installing an expansion bolt assembly

(1) M12x60 bolt (2) Spring washer (3) Flat washer (4) Expansion tube

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1. Use the percussion drill with bit 16 to drill holes at the anchor points, and ensure that thedepth of each hole ranges from 52 mm to 60 mm.

WARNINGTake proper safety measures to protect your eyes and respiratory tract against the dustbefore drilling holes.

2. Use a vacuum cleaner to clear the dust inside and around the holes. If the inter-hole spacingis too wide or too narrow, locate and drill holes again.

3. Slightly tighten the expansion bolt, and then put the expansion bolt assembly into the holevertically.

4. Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried intothe hole.

5. Remove the M12x60 bolt, spring washer, and flat washer from each expansion boltassembly in sequence.

WARNINGAfter disassembling the expansion bolt assembly, ensure that the top of the expansion tubeis on the same level as the floor.

Step 3 Install the base and adjust the base level.1. Place the insulating spacer and the base on the floor, align the mounting holes in the base

and in the insulating spacers with the holes of the expansion bolts in the floor, and then usefour M12x60 bolts to secure the base, as shown in Figure 9-3.

Figure 9-3 Fixing the base

(1) M12x60 bolt (2) Spring washer (3) Flat washer



9-3

(4) Insulating washer (5) Insulating spacers -

2. Check and adjust the base level.

Place the level on the top plane of the base to check the base level, as shown in Figure9-4. If the bubble is not in the middle of the level, adjust the base level through the adjustingbolts.

Figure 9-4 Checking the base level

(1) Adjusting bolt (2) Level

Step 4 Test the insulation between the base and the expansion bolt.

1. Set the multimeter to the megohm position (MΩ).

2. Measure the resistance between the adjusting bolt and the expansion bolt, as shown inFigure 9-5.

Figure 9-5 Measuring the resistance between the adjusting bolt and the expansion bolt


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l If the resistance is less than five megohms, you can infer that the base is not insulatedfrom the floor. Go to Step 4.3.

l If the resistance is greater than or equal to five megohms, you can infer that the base isinsulated from the floor. End the test.

3. Dissemble the expansion bolt assembly, and check whether insulating washers are missedor damaged.

l If insulating washers are missed or damaged, reinstall them, and then adjust the baselevel.

l If no insulating washers are missed or damaged, check whether the multimeter is faultyor whether the setting is correct.

----End

9.2 Installing the Base on the ESD FloorThis section describes the procedure and precautions to be taken for installing the base on theESD floor.

Context

Figure 9-6 shows the support for installing the ESD floor.

Figure 9-6 Support for installing the ESD floor

(1) Mounting holes for the ESD floor (2) Frames (3) Mounting hole for the concretefloor

The support for installing the ESD floor on which the cabinet is installed is of two types: supportwith fixed height and support with adjustable height. Table 9-1 lists the relations between thetwo types of supports and the height of the ESD floor.



9-5

Table 9-1 Height of the support for installing the ESD floor

Type of the Support Height of the ESD Floor (Unit: mm)

Support with fixed height 296 to 495

Support with adjustableheight

At least 120; adjustable according to the height of the floor

NOTE

Height of the ESD floor refers to the spacing between the concrete floor and the upper surface of the ESDfloor.

Procedure

Step 1 Determine the installation position of the cabinet on the ESD floor by referring to Installing theCabinet on the Concrete Floor Step 1.

Step 2 Drill holes on the ESD floor.1. Use a percussion drill with bit 16 to drill holes at the anchor points. The holes should

penetrate the ESD floor, as shown in Figure 9-7.

Figure 9-7 Drilling a hole on the ESD floor

WARNINGTake proper safety measures to protect your eyes and respiratory tract against the dustbefore drilling holes.

2. Use a vacuum cleaner to clear the dust inside and around the holes. If the inter-hole spacingis too wide or too narrow, locate and drill holes again.

Step 3 Position the support.1. Place the support under the ESD floor, and then use bolts to secure the ESD floor on the

support temporarily, as shown in Figure 9-8.


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Figure 9-8 Positions of the access holes in the support and holes in the ESD floor

(1) Mounting holes for the ESD floor (2) ESD floor (3) Mounting hole for the concrete floor

2. Mark the positions of the mounting holes on the concrete floor, as shown in Figure 9-9.

Figure 9-9 Marking the positions of the mounting holes

(1) Mounting hole for theconcrete floor

(2) Frames (3) Concrete floor (4) ESD floor

3. Use a measuring tape to measure the inter-hole spacing, and ensure that the four holes serve

as the vertices of a rectangle.

Step 4 Drill holes at the anchor points on the concrete floor, and then install expansion bolt assemblies.For details, see Installing the Cabinet on the Concrete Floor Step 2.

Step 5 Secure the support for installing the ESD floor.

Use M12x60 bolts, spring washers, and flat washers to secure the support for installing the ESDfloor on the concrete floor. Tighten the bolts until the fastening torque reaches 45 N·m. Figure9-10 shows how to secure the support for installing the ESD floor.



9-7

Figure 9-10 Securing the supports for installing the ESD floor

(1) M12x60 bolt (2) Spring washer (3) Flat washer

Step 6 Remove the bolts that are used to temporarily secure the ESD floor on the support in Step 3.1.

Step 7 Refer to Installing the Cabinet on the Concrete Floor Step 3, Step 4.

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10 Installing the Cabinet

About This Chapter

The BTS3900 cabinets can be flexibly installed. In different scenarios, a single cabinet can beseparately installed and two cabinets can be installed side-by-side or stacked.

10.1 Installing the Vehicle-mounted CabinetThis section describes the procedure and precautions to be taken for installing the vehicle-mounted cabinet.

10.2 Installing a Single Cabinet SeparatelyThis section describes the procedure and precautions to be taken for installing a single cabineton a base.

10.3 Installing Two Cabinets Side-by-SideThis section describes the procedure and precautions for installing two cabinets side-by-side.

10.4 Stacking Two CabinetsThis section describes the procedure and precautions for stacking two cabinets.

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10.1 Installing the Vehicle-mounted CabinetThis section describes the procedure and precautions to be taken for installing the vehicle-mounted cabinet.

Procedure

Step 1 Place the vehicle-mounted cabinet on the plate, and then align the cabinet with the plate.

Step 2 Tighten the four M12x50 bolts until the tightening torque reaches 45 N·m, as shown in Figure10-1.

Figure 10-1 Securing the cabinet on the plate

Step 3 Use two M12x30 bolts to secure the supports and cabinet, and then use four M12 nuts to securethe supports and dampers until the tightening torque reaches 45 N·m, as shown in Figure10-2.

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Figure 10-2 Securing the supports and dampers

----End

10.2 Installing a Single Cabinet SeparatelyThis section describes the procedure and precautions to be taken for installing a single cabineton a base.

ContextThe cabinet door can be removed before the cabinet is installed for easy operations. Whenremoving the cabinet door, disconnect the equipotential cable from the lower part of the door,and then rotate the spring pin 90° to the left and press the pin. Thus, the cabinet door can beremoved, as shown in Figure 10-3.



10-3

Figure 10-3 Removing the cabinet door

When installing the cabinet door, align the spring pin with the hole, rotate the pin to the rightuntil it is tightly pressed by the door, and then install the equipotential cable on the door, asshown in Figure 10-4.

Figure 10-4 Installing the cabinet door


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Procedure

Step 1 Lift the cabinet onto the base.

Step 2 Slide the cabinet along the base to ensure that the back of the cabinet is aligned with the backof the base. Use a torque wrench to tighten the two M12x50 bolts in the front of the cabinet untilthe fastening torque reaches 45 N·m, as shown in Figure 10-5.

Figure 10-5 Installing the cabinet

----End

10.3 Installing Two Cabinets Side-by-SideThis section describes the procedure and precautions for installing two cabinets side-by-side.

Procedure

Step 1 Remove the connecting pieces on the top of the cabinets, as shown in Figure 10-6.



10-5

Figure 10-6 Removing the connecting pieces

Step 2 Install the two connecting pieces on the positions shown in Figure 10-7, and then tighten thescrews.

Figure 10-7 Installing the connecting pieces

----End

10.4 Stacking Two CabinetsThis section describes the procedure and precautions for stacking two cabinets.

Contextl The -48 V cabinet can be stacked.l The +24 V cabinet cannot be stacked.


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l Stacking 220 V cabinets are not recommended. If they have to be stacked, the cabinets mustbear a high ambient temperature which is 5 degrees lower than the normal.

Procedure

Step 1 Remove the rubber screws and connecting pieces from the top of the lower cabinet, and theninstall the installation blocks on the rear part of the cabinet top, as shown in Figure 10-8.

Figure 10-8 Removing the rubber screws and connecting pieces

Step 2 Remove the cover plate from the top of the upper cabinet, as shown in Figure 10-9.

Figure 10-9 Removing the cover plate

Step 3 Lift the upper cabinet onto the lower cabinet, slide the upper cabinet along the top of the lowercabinet until the backs of two cabinets are aligned. Tighten the bolts to secure the cabinet, asshown in Figure 10-10.



10-7

Figure 10-10 Securing the cabinet

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11 Installing the PGND Cable andEquipotential Cable

The equipotential PGND cable is used to connect the PGND bolts on the cabinets to the PGNDgrounding bars on site, ensuring that the cabinets are properly grounded. The equipotential cableis used to connect the PGND bolts on the cabinets, ensuring the equipotential connectionsbetween the cabinets.

ContextTable 11-1 describes the specifications of the PGND cable and equipotential cable.

Table 11-1 Specifications of the PGND cable and equipotential cable

Cable Name One End The Other End Remarks

PGND cable OT terminal (M8) OT terminal (M8) Yellow and greencable, 25 mm2

Equipotential cable OT terminal (M6) OT terminal (M6) Yellow and greencable, 16 mm2

Procedure

Step 1 Prepare the PGND cable and equipotential cable.1. Prepare the cable of proper length based on the actual cable route.2. Add OT terminals to both ends of the cable. For details, see Assembling the OT Terminal

and the Power Cable.

Step 2 Install the PGND cable and equipotential cable.

CAUTIONInstall the OT terminals in a correct way, as shown in Figure 11-1.

BTS3900 GSMInstallation Guide 11 Installing the PGND Cable and Equipotential Cable


11-1

Figure 11-1 Installing the OT terminal in a correct way

1. Install the PGND cable for a single cabinet.

l Use a PGND cable with a cross-sectional area of 25 mm2 to connect the ground pointon the -48 V cabinet to an external ground bar, as shown in Figure 11-2.

NOTE

The procedure for grounding the BTS3900 cabinet (AC) is the same as the procedure forgrounding the BTS3900 cabinet (-48 V DC).

Figure 11-2 Installing the PGND cable for the BTS3900 cabinet (-48 V DC)

(1) OT terminal (M8) (2) External ground bar

l Use two PGND cables with a cross-sectional area of 25 mm2 to connect the groundpoint on the +24 V cabinet to the external ground bar, as shown in Figure 11-3.

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Figure 11-3 Installing the PGND cable for the BTS3900 cabinet (+24 V DC)

(1) External ground bar (2) OT terminal (M8) (3) OT terminal (M8)

2. Install the PGND cable and equipotential cable for two combined cabinets.

l Install the PGND cable and equipotential cable for the BTS3900 cabinet (-48 V DC),as shown in Figure 11-4.

NOTE

The procedure for connecting the PGND cable and equipotential cable for the BTS3900 cabinet(AC) is the same as that for the BTS3900 cabinet (-48 V DC).



11-3

Figure 11-4 Installing the PGND cable and equipotential cable for the BTS3900cabinets (-48 V DC)

(1) OT terminal (M8) (2) OT terminal (M6) (3) OT terminal (M6)

l Install the PGND cable and equipotential cable for the BTS3900 cabinet (+24 V DC),

as shown in Figure 11-5.

Figure 11-5 Installing the PGND cable and equipotential cable for the BTS3900cabinets (+24 V DC)

(1) OT terminal (M8) (2) OT terminal (M8) (3) OT terminal (M6) (4) OT terminal (M6)

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3. Install the PGND cable and equipotential cable for cabinets installed in stack mode, as

shown in Figure 11-6.

NOTE

The procedure for connecting the PGND cable and equipotential cable for the BTS3900 cabinet (AC)is the same as that for the BTS3900 cabinet (-48 V DC).

Figure 11-6 Installing the PGND cable and equipotential cable for the BTS3900 cabinets(-48 V DC)

(1) OT terminal (M8) (2) OT terminal (M6) (3) OT terminal (M6)

Step 3 Route the cable by referring to 13.1 Cabling Requirements.

Step 4 Label the installed cables by referring to Attaching a Cable-Tying Label.

----End



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12 (Optional) Installing the Modules

About This Chapter

The mandatory modules in the cabinet are already installed. The optional modules can beinstalled on site according to different field requirements.

12.1 Installing the GPS Surge ProtectorThis section describes the procedure and precautions to be taken for installing the GPS surgeprotector.

12.2 Installing the DDFThe Digital Distribution Frame (DDF) cable distribution includes the distribution of alarm cablesand E1/T1 cables. The cabling principle for alarm cables is left cable inlet and left cable outlet.The cabling principle for E1/T1 cables is right cable inlet and right cable outlet. The cablingprinciple for all cables is top cable inlet and bottom cable outlet.

12.3 Installing the GATM and Bias-TeeThis describes the procedures and precautions for the installation of the GATM and Bias-Teewhen they are used together with the DRFU.

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12.1 Installing the GPS Surge ProtectorThis section describes the procedure and precautions to be taken for installing the GPS surgeprotector.

Procedure

Step 1 Remove the connecting piece from the cabinet top, and then install the support for the GPS surgeprotector in the original position of the connecting piece, as shown in Figure 12-1.

Figure 12-1 Installing the support for the GPS surge protector

Step 2 Link the SMA male connector of the GPS signal cable to the GPS surge protector on the USCUand the N-type connector to the support for the GPS surge protector, as shown in Figure 12-2.

Figure 12-2 Installing the GPS signal cable

Step 3 Install the GPS surge protector to the support, and then connect cables, as shown in Figure12-3.

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Figure 12-3 Installing the GPS surge protector

Step 4 Route the cable by referring to 13.1 Cabling Requirements and 13.2 Cable RoutingPrinciples.

Step 5 Attach labels to the installed cables. For details, see Labeling Signal Cables.

----End

12.2 Installing the DDFThe Digital Distribution Frame (DDF) cable distribution includes the distribution of alarm cablesand E1/T1 cables. The cabling principle for alarm cables is left cable inlet and left cable outlet.The cabling principle for E1/T1 cables is right cable inlet and right cable outlet. The cablingprinciple for all cables is top cable inlet and bottom cable outlet.

Contextl The 1 U DDF can be installed in the reserved space in the 19-inch cabinet.l On the digital modules: a, b and s indicate the following positions:

– a and b indicate the terminating positions of signal cables.– s indicates the terminating position of protection grounding cables.

Procedure

Step 1 Connect the twisted pair cables at the side of the DDF. Connect the other end of the twisted paircables to BBU.1. Insert the exposed wires of the twisted pair cables into the corresponding digital modules

according to the colors or labels of the wires.2. Use the IDC tool to install the wires of the twisted pair cables to the terminating position

of the digital modules, as shown in Figure 12-4.

Step 2 Connect the twisted pair cables at the side of the DDF. Connect the other end of the twisted paircables to the peer equipment.



12-3

1. Insert the exposed wires of the twisted pair cables into the corresponding digital modulesaccording to the colors or labels of the wires.

2. Use the IDC tool to install the wires of the twisted pair cables to the terminating positionof the digital modules, as shown in Figure 12-4.

Step 3 Arrange the cables on DDF, as shown in Figure 12-4.

Figure 12-4 DDF cable distribution effect


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NOTE

l When DDF cable distribution is complete, ensure that the unexposed part is outside the DDF box.

l When the cables on both sides of the DDF box are connected, the wire connection order depends onthe actual situation and ensures that wires in the same color are connected, as shown in Figure 12-4.

Step 4 Check whether floating nuts are configured on both sides of the 19-inch subrack. If not, installthe floating nuts delivered with the DDF on both sides of the 19-inch subrack.

Step 5 Align the DDF with the subrack, slide it into the subrack, and tighten the screws on both sidesof the DDF, as shown in Figure 12-5.

Figure 12-5 Installing the DDF in the BTS3900

----End

12.3 Installing the GATM and Bias-TeeThis describes the procedures and precautions for the installation of the GATM and Bias-Teewhen they are used together with the DRFU.

ContextThe Bias-Tee couples the DC power or OOK signals into the feeder. The GATM is connectedto the antenna through the Bias-Tee. If the DRFU is configured, the GATM and Bias-Tee mustbe configured.



12-5

Figure 12-6 shows the cable connection ports of the straight DIN Bias-Tee. Table 12-1 describesthe cable connection of the straight DIN Bias-Tee.

Figure 12-6 Cable connection ports of the straight DIN Bias-Tee

Table 12-1 Cable connections of the straight DIN Bias-Tee

No. Cable Connection

1 Connected to the feeder of the antenna system.

2 Port for the Bias-Tee and RET control signals. Connected to the ports fromANT0 to ANT5 on the GATM.

3 Connected to the PGND cable.

4 Connected to the jumper of the BTS3900L.

Figure 12-7 shows the cable connections of the GATM and the straight DIN Bias-Tee.


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Figure 12-7 Cable connections

Procedure

Step 1 Connect the GND port on the straight DIN Bias-Tee to the grounding bar of the antenna throughthe PGND cable, and then fix the straight DIN Bias-Tee on the cable rack.

Step 2 Connect the ANT port on the straight DIN Bias-Tee to the 7/8" feeder.

Step 3 Connect the DC/OOK port on the Bias-Tee to the ports from ANT0 to ANT5 on the GATMthrough the RET control signal cable.

Step 4 Connect the BTS port on the Bias-Tee to the RF output port on the RFU through the 1/2" jumper,as shown in Figure 12-8.



12-7

Figure 12-8 Installing the straight DIN Bias-Tee

(1) Indoor grounding bar (2) Grounding bar for the antenna (3) 7/8" feeder

(4) 1/2" jumper (5) RET control signal cable (6) GATM

Step 5 Attach color rings to the RF jumper by referring to Attaching the Color Ring.

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13 Installing the Cables

About This Chapter

The BTS3900 cabinet is delivered with boards installed, and the internal cables are alreadyinstalled. Therefore, only the external cables and cables for the optional modules need to beinstalled on site.

13.1 Cabling RequirementsYou must route cables according to the specified cabling requirements to prevent signalinterference.

13.2 Cable Routing PrinciplesThe cables in the BTS3900 cabinet must be routed according to the cabling requirements andmust be bound by using cable ties.

13.3 Installing the Power CablesThis section describes the procedure and precautions to be taken for installing the external inputpower cable.

13.4 Installing the Transmission CablesThe E1/T1 cable or FE/GE cable can be used for data transmission according to the transmissionmode of the base station.

13.5 Installing the CPRI Cables Between the CabinetsThe CPRI cables need to be installed between the two cabinets installed side-by-side or stackedon site.

13.6 Installing the Monitoring Signal Cable (Optional) Between Two CabinetsThe monitoring signal cable in a cabinet is installed before delivery, and the monitoring signalcable between two cabinets must be installed on site.

13.7 Installing the Monitoring Signal Cable for the EMUThe monitoring signal cable for the EMU transmits monitoring signals from the EMU to theBBU3900.

13.8 Installing the RF JumperThe RF jumper connects the RFU to the antenna system for signal exchange between the basestation and the antenna system.

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13.1 Cabling RequirementsYou must route cables according to the specified cabling requirements to prevent signalinterference.

General Cabling Requirements

The bending radius of the cables must meet the following specifications:

l The bending radius of the 7/8'' feeder must be more than 250 mm, and that of the 5/4'' feedermust be more than 380 mm.

l The bending radius of the 1/4'' jumper must be more than 35 mm. The bending radius ofthe super-flexible 1/2'' jumper must be more than 50 mm, and that of the ordinary 1/2''jumper must be more than 127 mm.

l The bending radius of the power cable or PGND cable must be at least five times thediameter of the cable.

l The bending radius of the optical cable must be at least 20 times the diameter of the opticalcable.

l The bending radius of the E1/T1 cable must be at least five times the diameter of the cable.l The bending radius of the signal cable must be at least five times the diameter of the cable.

The cables must be bound as follows:

l Different types of cables must be separately routed at least 30 mm and cannot be entangled.l The cables must be bound tightly and neatly. The jackets of the cables are not damaged.l The cable ties must face the same direction, and those at the same horizontal line must be

in a straight line. Extra length of cable ties must be cut off.l Labels or nameplates must be attached to the cables after they are installed.

The cables must be routed in category as follows:

l Different types of cables must be separately routed.l Different types of cables cannot be crossed.l Different types of cables must be routed in parallel or separated by special objects.

Special Cabling Requirements

Cabling requirements for power cables are as follows:l The -48 V power cables should be bound together.l The +24 V power cables should be bound together.l The power cable must be separately bound from transmission cables and signal cables.l Multiple power cables must be bound when routed.l Positions for routing the power cables must meet requirements of the engineering design.l If the length of the power cable is insufficient, replace the cable rather than adding

connectors or soldering joints to lengthen the cable.

Cabling requirements for PGND cables are as follows:

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l The PGND cables for the base station must be connected to the same ground bar.

l The PGND cables must be buried in the ground or routed indoors. They should not berouted overhead before they are led into the equipment room.

l The exterior of the coaxial wire and shielding layer of the shielded cable must have properelectrical contact with the metal surface of the connected equipment.

l The PGND cable and signal cable cannot be bound or entangled. A certain distance mustbe reserved between them to prevent interference from each other.

l Fuses or switches cannot be installed on the PGND cables.

l Other devices cannot be used for the electrical connection of the PGND cables.

l All the metal parts in the housing of the equipment must be reliably connected to the groundterminal.

Cabling requirements for E1 cables are as follows:

l The E1 cable cannot cross the power cable, PGND cable, or RF cable when routed. If thetransmission cable is routed with the power cable, PGND cable, and RF cable in parallel,the spacing between them must be greater than 30 mm.

l The E1 cables must be neatly and elegantly routed and securely bound with cable ties.

l Extra length of E1 cables must be reserved when they are curved.

Cabling requirements for the optical cables are as follows:

l Do not stretch the optical cables, step on the cables, or place heavy objects on the cables.Keep the cables away from sharp objects to prevent damage to the fibers.

l When the optical cables are routed, the extra length of the cables must be coiled aroundspecial devices, such as a fiber coiler.

l When coiling the optical cables, apply the strength evenly. Do not bend the cables withforce, thus preventing any damage to the fibers.

l Cover the optical connectors that are not in use with dustproof caps.

13.2 Cable Routing PrinciplesThe cables in the BTS3900 cabinet must be routed according to the cabling requirements andmust be bound by using cable ties.

Route the cables in a single cabinet

l Route the PGND cable along the left interior of the cabinet.

l Route the six jumpers on the left along the left interior of the cabinet.

l Route the external input power cable along the left interior of the cabinet.

l Route the six jumpers on the right along the right interior of the cabinet.

l Route the transmission cables along the right interior of the cabinet.

l Route the monitoring signal cables close to the CPRI cables.

Figure 13-1 shows the cable routing in a single cabinet.



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Figure 13-1 Cable routing in a single cabinet

(1) PGND cable (2) Jumper on the left (3) Input power cable

(4) Jumper on the right (5) Transmission cable -

Route the cables in stacked cabinetsl Route and bind the cables by referring to "Route the cables in a single cabinet".l The 12 jumpers in the upper cabinet are directly led out.

Figure 13-2 shows the cable routing in stacked cabinets.

Figure 13-2 Cable routing in stacked cabinets

(1) PGND cable (2) Jumper on the left (3) Input power cable

(4) Jumpers in the upper cabinet (5) Jumper on the right (6) Transmission cable

13.3 Installing the Power CablesThis section describes the procedure and precautions to be taken for installing the external inputpower cable.

13.3.1 Installing the Input Power Cable for the -48 V Cabinet


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The input power cable for the -48 V cabinet connects the wiring terminals for the input powercable on the DCDU-01 to the external power equipment. The cable feeds -48 V DC power intothe BTS3900 cabinet.

13.3.2 Installing the Input Power Cable for the +24 V CabinetThe input power cable for the +24 V cabinet connects the power system (DC/DC) to the externalpower equipment. The cable feeds +24 V DC power into the BTS3900 cabinet.

13.3.3 Installing the Input Power Cable for the 220 V CabinetThe input power cable for the 220 V cabinet feeds external AC power into the BTS3900 cabinet.

13.3.1 Installing the Input Power Cable for the -48 V CabinetThe input power cable for the -48 V cabinet connects the wiring terminals for the input powercable on the DCDU-01 to the external power equipment. The cable feeds -48 V DC power intothe BTS3900 cabinet.

ContextThe cross-section area of the -48 V power cable is 16 mm2.

Procedure

Step 1 Measure the distance between the DCDU-01 and the external power equipment according to theactual cable route, and then prepare power cables of a proper length.

NOTE

Reserve an extra length of 300 mm when preparing the input power cables. Thus, the power cables can beled out from the upper cabinet if two cabinets are stacked in the case of capacity expansion.

Step 2 Make an M6 OT terminal at each end of the power cable. For details, see Assembling the OTTerminal and the Power Cable.

Step 3 Remove the protecting hood from the terminal block of the DCDU-01.

Step 4 Connect the blue cable to the wiring terminal labeled NEG(-) and black cable to the wiringterminal labeled RTN(+).

NOTE

When two -48 V cabinets are stacked, the external power equipment supplies power to the upper and lowercabinets.

Step 5 Use a screwdriver to tighten the screws on the wiring terminals.

Step 6 Install the protecting hood, and then use a screwdriver to tighten the screws. Figure 13-3 showsthe installation procedure.



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Figure 13-3 Installing the -48 V input power cable


Step 8 Attach labels to the installed cables. For details, see Attaching a Cable-Tying Label.

----End

13.3.2 Installing the Input Power Cable for the +24 V CabinetThe input power cable for the +24 V cabinet connects the power system (DC/DC) to the externalpower equipment. The cable feeds +24 V DC power into the BTS3900 cabinet.

ContextThe cross-section area of the +24 V power cable is 25 mm2.

Procedure

Step 1 Measure the distance between the wiring terminal of the power subrack (DC/DC) and theexternal power equipment according to the actual cable route, and then prepare power cables ofa proper length.

NOTE



Step 3 Use a Phillips screwdriver to remove the screws from the protecting hood for the wiring terminalsof the power subrack (DC/DC), and then remove the protecting hood.


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Step 4 Connect the two red cables to the wiring terminals labeled + and two black cables to the wiringterminals labeled -.


Step 6 Install the protecting hood, and then use a screwdriver to tighten the screws. Figure 13-4 showsthe installation procedure.

Figure 13-4 Installing the +24 V input power cable



----End

13.3.3 Installing the Input Power Cable for the 220 V CabinetThe input power cable for the 220 V cabinet feeds external AC power into the BTS3900 cabinet.

Contextl The 220 V cabinet supports three types of AC power input: 220 V AC single-phase, 220

V AC three-phase, and 110 V AC dual-live-wire.

l The cross-section area of the 220 V AC single-phase power cable is 6 mm2. The cross-section area of the 220 V AC three-phase power cable is 2.5 mm2. The cross-section areaof the 110 V dual-live-wire power cable is 6 mm2.

Procedure

Step 1 Measure the distance between the wiring terminal of the power subrack (AC/DC) and theexternal power equipment according to the actual cable route, and then prepare power cables ofa proper length.



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NOTE



DANGERWhen adding OT terminals to the power cable, do not expose the metal wires, as shown inFigure 13-5.

Figure 13-5 Adding an OT terminals to the power cable

Step 3 Connect the corresponding input powers according to field requirements.1. Install the 220 V AC single-phase input power cable. That is, connect the live wire to the

wiring terminal labeled L1 in the power subrack (AC/DC) and neutral wire to the wiringterminal labeled N1, as shown in Figure 13-6.

Figure 13-6 220 V AC single-phase power cable

2. Install the 220 V AC three-phase input power cable. That is, remove the short-circuiting

cable from the wiring terminals of the power subrack (AC/DC), connect the three live wiresto the wiring terminals labeled L1, L2, and L3, and then connect the neutral wire to thewiring terminal labeled N1, as shown in Figure 13-7.


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Figure 13-7 220 V AC three-phase power cable

3. Install the 110 V AC input power cable. That is, connect the live wire to the wiring terminal

labeled L1 in the power subrack (AC/DC) and neutral wire to the wiring terminal labeledN1, as shown in Figure 13-8.

Figure 13-8 110 V AC dual-live-wire power cable

Step 4 Connect the other end of the power cable to the external power equipment.




----End

13.4 Installing the Transmission CablesThe E1/T1 cable or FE/GE cable can be used for data transmission according to the transmissionmode of the base station.

13.4.1 Installing the E1/T1 CableIf the cabinet needs to communicate with transmission equipment through the E1/T1 cable, theE1/T1 cable needs to be installed.

13.4.2 Installing the FE/GE Cable



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If the cabinet needs to communicate with transmission equipment through the FE/GE cable, theFE/GE cable needs to be installed.

13.4.1 Installing the E1/T1 CableIf the cabinet needs to communicate with transmission equipment through the E1/T1 cable, theE1/T1 cable needs to be installed.

PrerequisiteEnsure that both ends of the E1 cable are disconnected. Then, weld connectors to the bare wiresat one end of the E1 cable all at once.

Procedure

Step 1 Install the E1/T1 cable.

1. If the UTRP is not configured, link the DB26 male connector of the E1/T1 cable to the portlabeled E1/T1 on the GTMU, as shown in Figure 13-9.

Figure 13-9 Installing the E1/T1 cable (1)

2. If the UTRP is configured, link the DB26 male connectors of the E1/T1 cables to the portslabeled E1/T1 (0-3) and E1/T1 (4-7) on the UTRP, and then tighten the screws, as shownin Figure 13-9.

Figure 13-10 Installing the E1/T1 cable (2)

Step 2 Route the E1/T1 cable along the cable trough on the right of the cabinet, and then use cable tiesto bind the cable.


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Step 4 Attach labels to the installed cables by referring to Attaching an L-Shaped Label.

----End

13.4.2 Installing the FE/GE CableIf the cabinet needs to communicate with transmission equipment through the FE/GE cable, theFE/GE cable needs to be installed.

ContextThe FE/GE cable is a shielded straight-through cable. It has an RJ-45 connector at each end.

ProcedureStep 1 Connect the FE/GE cable to the port labeled FE0 on the GTMU, as shown in Figure 13-11.

Figure 13-11 Installing the FE/GE cable

Step 2 Route the FE/GE cable along the cable trough on the right of the cabinet, and then use cable tiesto bind the cable.



----End

13.5 Installing the CPRI Cables Between the CabinetsThe CPRI cables need to be installed between the two cabinets installed side-by-side or stackedon site.

ProcedureStep 1 Install the CPRI cables between the cabinets installed side-by-side.

1. Install the cabinets side-by-side by referring to 10.3 Installing Two Cabinets Side-by-Side.

2. The main cabinet is placed on the left, and the extension cabinet is placed on the right.Figure 13-12 shows the CPRI cable connections between two cabinets.



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NOTE

For details about how to remove and insert the CPRI cable, see Inserting and Removing CPRI Cables.

Figure 13-12 CPRI cable connections between two cabinets installed side-by-side

Step 2 Install the CPRI cables between the stacked cabinets.1. Stack the cabinets by referring to 10.4 Stacking Two Cabinets.2. The main cabinet is placed on the bottom, and the extension cabinet is placed on the main

cabinet. Figure 13-13 shows the CPRI cable connections between two cabinets.


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Figure 13-13 CPRI cable connections between stacked cabinets

Step 3 Route the CPRI cable by referring to 13.1 Cabling Requirements and 13.2 Cable RoutingPrinciples.


----End

13.6 Installing the Monitoring Signal Cable (Optional)Between Two Cabinets

The monitoring signal cable in a cabinet is installed before delivery, and the monitoring signalcable between two cabinets must be installed on site.

13.6.1 Installing the Cascading Signal Cable for the Fan UnitsThe cascading signal cable for the fan units must be installed on site for combined or stackedcabinets.



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13.6.2 Installing the In-Position Signal Cable for the PSU (DC/DC)The in-position signal cable for the PSU (DC/DC) between the combined or stacked cabinetsmust be installed on site.

13.6.3 Installing the Monitoring Signal Cable for the PSU (DC/DC)The monitoring signal cable for the PSU (DC/DC) between the combined cabinets or stackedcabinets must be installed on site.

13.6.1 Installing the Cascading Signal Cable for the Fan UnitsThe cascading signal cable for the fan units must be installed on site for combined or stackedcabinets.

Procedure

Step 1 Install the cascading signal cable for the fan units in the scenario of cabinet combination.1. Install the cabinets side-by-side by referring to 10.3 Installing Two Cabinets Side-by-

Side.2. The primary cabinet is positioned on the left, and the secondary cabinet is positioned on

the right. Connect one end of the cascading signal cable to the COM_OUT port on theprimary cabinet, and connect the other end of the cascading signal cable to the COM_INport on the secondary cabinet, as shown in Figure 13-14.

Figure 13-14 Connection of the signal cable between combined cabinets

Step 2 Install the cascading signal cable for the fan units between the stacked cabinets.1. Install cabinets in stack mode by referring to 10.4 Stacking Two Cabinets.2. The primary cabinet is placed under the secondary cabinet. Connect one end of the signal

cable to the COM_OUT port on the primary cabinet, and connect the other end of the signalcable to the COM_IN port on the secondary cabinet, as shown in Figure 13-14.


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Figure 13-15 Connection of the signal cable between stacked cabinets

Step 3 Route the cables by referring to 13.1 Cabling Requirements and 13.2 Cable RoutingPrinciples.

Step 4 Label the installed cables by referring to Attaching an L-Shaped Label.

----End

13.6.2 Installing the In-Position Signal Cable for the PSU (DC/DC)The in-position signal cable for the PSU (DC/DC) between the combined or stacked cabinetsmust be installed on site.

ProcedureStep 1 Install the in-position signal cable for the PSU (DC/DC) between the combined cabinets.


2. The primary cabinet is positioned on the left, and the secondary cabinet is positioned onthe right. Connect one end of the signal cable to the EXT-ALM0 port on the UPEU or UEIU



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in the primary cabinet, and connect the other end of the signal cable to the PRESENT portof the DC/DC power system in the secondary cabinet, as shown in Figure 13-16.


Step 2 Install the in-position signal cable for the PSU (DC/DC) between the stacked cabinets.1. Install the cabinets in stack mode by referring to 10.4 Stacking Two Cabinets.2. The primary cabinet is stacked under the secondary cabinet. Connect one end of the signal

cable to the EXT-ALM1 port on the UPEU or UEIU in the primary cabinet, and connectthe other end of the signal cable to the PRESENT port of the DC/DC power system in thesecondary cabinet, as shown in Figure 13-16.


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----End

13.6.3 Installing the Monitoring Signal Cable for the PSU (DC/DC)The monitoring signal cable for the PSU (DC/DC) between the combined cabinets or stackedcabinets must be installed on site.

ProcedureStep 1 Install the monitoring signal cable for the PSU (DC/DC) between the combined cabinets.


2. The primary cabinet is positioned on the left, and the secondary cabinet is positioned onthe right. Connect the RJ-45 connector on one end of the monitoring signal cable to the



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EXT-ALM0 port on the UPEU in the primary cabinet, and connect the other end of themonitoring signal cable through interconnection terminals to the ALM port of the DC/DCpower system in the secondary cabinet, as shown in Figure 13-18.


Step 2 Install the monitoring signal cable for the PSU (DC/DC) between the stacked cabinets.1. Install the cabinets in stack mode by referring to 10.4 Stacking Two Cabinets.2. The primary cabinet is stacked under the secondary cabinet. Connect one end of the

monitoring signal cable to the EXT-ALM0 port on the UPEU in the primary cabinet, andconnect the other end of the monitoring signal cable through interconnection terminals tothe ALM port of the DC/DC power system in the secondary cabinet, as shown in Figure13-18.


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----End

13.7 Installing the Monitoring Signal Cable for the EMUThe monitoring signal cable for the EMU transmits monitoring signals from the EMU to theBBU3900.

Procedure

Step 1 Insert the RJ-45 connector at one end of the monitoring signal cable for the EMU into the portlabeled MON1 on the UPEU in the BBU3900.



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Step 2 Link the DB9 male connector at the other end of the monitoring signal cable for the EMU to theport labeled RS485 on the EMU, and then tighten the screws.



----End

13.8 Installing the RF JumperThe RF jumper connects the RFU to the antenna system for signal exchange between the basestation and the antenna system.

Procedure

Step 1 Lead the RF jumpers into the cabinet through the cable holes, and the route the jumpers byreferring to 13.2 Cable Routing Principles.

NOTE

Reserve an extra length of 300 mm when preparing the RF jumper according to the actual cable route. Thus, thejumper can be led out from the upper cabinet if two cabinets are stacked during capacity expansion.

Step 2 Link the DIN connectors of the RF jumpers to the ports labeled ANT on the panels of the RFUs.Figure 13-20 shows the RF jumper connections in a single cabinet, and Figure 13-21 showsthe RF jumper connections in stacked cabinets.

Figure 13-20 Installing RF jumpers in a single cabinet


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Figure 13-21 Installing RF jumpers in stacked cabinets

Step 3 Use a torque wrench to tighten the DIN connector until the fastening torque reaches 25 N·m to35 N·m.

Step 4 Attach color rings by referring to Color Ring for the Antenna System and Attaching the ColorRing.

NOTE

Check and ensure the secure connections of the Inter-RFU RF signal cables, which are installed inside thecabinets based on different configurations of the cabinets before delivery.

----End



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14 Installation Checklist

After the cabinets and devices are all installed, you need to check the installation items,installation environment, and cable-related items.

Checking the Cabinet Installation

Table 14-1 describes the cabinet installation checklist.

Table 14-1 Cabinet installation checklist

1 The base is securely installed.

2 All the bolts, especially those for electrical connections, are tightened. Both thespring washer and the flat washer are installed in a correct sequence.

3 The surface of the cabinet is neat and clean.

4 The cabinet meets the dustfree requirement.

5 The paint on the surface is satisfactory. The surface where the paint had flakedoff has been repainted.

6 All labels, tags, and nameplates are correct, legible, and complete.

Installation Environment Checklist

Table 14-2 describes the installation environment checklist.

Table 14-2 Installation environment checklist

1 No redundant tapes or cable ties are left on the cables.

2 No tapes, tails of cable ties, paper, or packing bags are left inside or outside thecabinet.

3 All the items around the cabinet are neat, clean, and intact.

BTS3900 GSMInstallation Guide 14 Installation Checklist


14-1

Electric Connection ChecklistTable 14-3 describes the electric connection checklist of the cabinet.

Table 14-3 Electric connection checklist of the cabinet

1 All self-made PGND cables are copper-based with the proper wire diameters. Nobreaking device such as switch and fuse is allowed for the electric connection ofthe grounding system. No short circuit is allowed. Each terminal on the groundingbar can be connected with only one wiring terminal of the PGND cable.

2 The redundant part of the power cable or PGND cable is stripped off rather thancoiled.

3 The lugs at both ends of the power cable or PGND cable are securely soldered orcrimped.

4 The bare wires and the OT terminals are coated with heat-shrinkable tubes.

5 The flat washer and the spring washer are well mounted on all OT terminals.

6 All cables are connected securely and reliably. Pay special attention to thecommunication cable connections and cable connections at the bottom of thecabinet.

7 The cables are neatly and tightly bound. The cable ties are evenly spaced and facethe same direction.

8 The power cable, PGND cable, feeder, optical cable and the E1/T1/FE signal cableare bound separately with a spacing of larger than 30 mm.

9 The cable layout facilitates maintenance and future capacity expansion. And thebending radius of the cables meets the requirements.

10 All the labels at both ends of the cables are legible.

11 The extra length of each indoor cable tie is cut, and the cut surface is smoothwithout sharp edges. An extra length of 3 mm to 5 mm is reserved for each outdoorcable tie.

12 The idle connectors of the cables are properly protected.

13 The connectors of the RF cables are fixed in position to avoid false connectionthat may cause an abnormal voltage standing wave ratio (VSWR).

14 Installation ChecklistBTS3900 GSM

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15 Performing the Power-On Check

Before the cabinets are put into use, you need to check the power-on status of the cabinets.

Figure 15-1 shows the power-on check procedure.

BTS3900 GSMInstallation Guide 15 Performing the Power-On Check


15-1

Figure 15-1 Power-on check procedure

15 Performing the Power-On CheckBTS3900 GSM

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Issue 13 (2010-10-30)

BTS3900 GSM Installation Guide(V300_13).pdf

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