Huawei RRU3942 Users Guide

RRU3942

Installation Guide

Issue

Date

HUAWEI TECHNOLOGIES CO., LTD.

No part of this document may be reproduced or transmitted in any form or by any means without prior written consent 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.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase 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 representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute the warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base

Bantian, Longgang Shenzhen 518129 People's Republic of China

Website: http://www.huawei.com

Email: support@huawei.com

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RRU3942 Installation Guide About This Document

About This Document

Purpose

This document describes the process of installing a DC RRU3942 (referred to as RRU in this document).

Product Version

The following table lists the product version related to this document.

Product Name Product Version

DBS3900 V100R004C00 and later versions

Intended Audience

This document is intended for:

Base station installation engineers

Organization

1 Changes in the RRU3942 Installation Guide

This chapter describes the changes in the RRU3942 Installation Guide.

2 Installation Preparations

This chapter describes the reference documents, tools, and instruments that must be ready before the installation. In addition, it specifies the skills and prerequisites that installation engineers must have.

3 Information About the Installation

Before installing an RRU, you must be familiar with its exterior, ports, installation options, physical supports, and installation clearance requirements.

4 Unpacking the Equipment

Unpack and check the delivered equipment to ensure that all the materials are included and intact.

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5 Installation Process

The installation process involves installing an RRU and RRU cables, checking the RRU hardware installation, and powering on the RRU.

6 Installing the RRU

This chapter describes the procedure for installing the RRU. The RRU can be installed on a pole, U-steel, angle steel, or wall. The procedure for installing the RRU varies depending on installation options.

7 Installing RRU Cables

This chapter describes the procedure for installing RRU cables.

8 Checking the RRU Hardware Installation

After an RRU is installed, check the hardware installation.

9 Powering On an RRU

After all the devices are installed, check the power-on status of an RRU.

Conventions

10 Appendix

This section describes the procedure for adding an easy power receptacle (pressfit type) connector.

Symbol 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 not avoided, will result in death or serious injury.

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

Indicates a potentially hazardous situation, which if not avoided, could result in equipment damage, data loss, performance degradation, or unexpected results.

Indicates a tip that may help you solve a problem or save time.

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

General Conventions

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

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iii

RRU3942 Installation Guide About This Document

Convention Description

Times New Roman Normal paragraphs are in Times New Roman.

Boldface Names of files, directories, folders, and users are in

boldface. For example, log in as user root.

Italic Book titles are in italics.

Courier New

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

Command Conventions

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

Convention Description

Boldface The keywords of a command line are in boldface.

Italic Command arguments are in italics.

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

{ x | y | ... } Optional items are grouped in braces and separated by

vertical bars. One item is selected.

[ x | y | ... ] Optional items are grouped in brackets and separated by

vertical bars. One item is selected or no item is selected.

{ x | y | ... }

Optional items are grouped in braces and separated by vertical bars. A minimum of one item or a maximum of all items can be selected.

[ x | y | ... ]

Optional items are grouped in brackets and separated by vertical 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.

Convention

Description

Boldface Buttons, menus, parameters, tabs, window, and dialog titles

are 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.

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RRU3942 Installation Guide About This Document

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 means

the two keys should be pressed in turn.

Mouse Operations

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

Action Description

Click Select and release the primary mouse button without moving

the pointer.

Double-click Press the primary mouse button twice continuously and

quickly without moving the pointer.

Drag Press and hold the primary mouse button and move the

pointer to a certain position.

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RRU3942 Installation Guide Contents

Contents

About This Document.....................................................................................................................ii

1 Changes in the RRU3942 Installation Guide...........................................................................1

2 Installation Preparations..............................................................................................................2

2.1 Reference Documents.........................................................................................................................................3

2.2 Tools and Instruments........................................................................................................................................3

2.3 Skills and Requirements for Onsite Personnel...................................................................................................4

3 Information About the Installation...........................................................................................5

3.1 RRU Exterior......................................................................................................................................................6

3.2 RRU Ports...........................................................................................................................................................6

3.3 RRU Indicators...................................................................................................................................................9

3.4 Installation Options...........................................................................................................................................10

3.5 Installation Clearance Requirements of an RRU..............................................................................................15

3.5.1 Installation Clearance for a Single RRU.................................................................................................15

3.5.2 Installation Clearance for Multiple RRUs...............................................................................................17

3.5.3 Installation Spacing Between RRUs........................................................................................................20

4 Unpacking the Equipment.........................................................................................................24

5 Installation Process.....................................................................................................................26

6 Installing the RRU.......................................................................................................................27

6.1 Mounting Kits for an RRU...............................................................................................................................29

6.2 Installing the RRU on a Pole............................................................................................................................29

6.2.1 Installing a Single RRU...........................................................................................................................32

6.2.2 Installing Two RRUs...............................................................................................................................34

6.2.3 Installing Multiple RRUs.........................................................................................................................37

6.3 Installing the RRU on U-steel..........................................................................................................................40

6.4 Installing the RRU on Angle Steel...................................................................................................................44

6.5 Installing the RRU on a Wall...........................................................................................................................47

6.6 Hoisting an RRU onto a Tower........................................................................................................................51

7 Installing RRU Cables................................................................................................................55

7.1 Cabling Requirements......................................................................................................................................57

7.2 Cable Connections............................................................................................................................................62

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RRU3942 Installation Guide Contents

7.3 Installation Process...........................................................................................................................................65

7.4 RRU Cable List................................................................................................................................................66

7.5 Installing an RRU PGND Cable.......................................................................................................................68

7.6 Installing an RRU RF Jumper..........................................................................................................................70

7.7 Installing an Inter-RRU RF Cable....................................................................................................................72

7.8 Installing an RRU AISG Multi-Wire Cable and AISG Extension Cable.........................................................73

7.9 Opening the Cover Plate of an RRU Cabling Cavity.......................................................................................75

7.10 Installing an RRU power cable.......................................................................................................................77

7.11 Installing a CPRI Fiber Optic Cable...............................................................................................................79

7.12 Installing an RRU Alarm Cable......................................................................................................................81

7.13 Closing the Cover Plate of an RRU Cabling Cavity......................................................................................82

8 Checking the RRU Hardware Installation..............................................................................84

9 Powering On an RRU.................................................................................................................85

10 Appendix.....................................................................................................................................86

10.1 Adding an Easy Power Receptacle (Pressfit Type) Connector to the RRU Power Cable on the RRU Side

................................................................................................................................................................................87

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RRU3942 Installation Guide 1 Changes in the RRU3942 Installation Guide

1 Changes in the RRU3942 Installation Guide

This chapter describes the changes in the RRU3942 Installation Guide.

02()

01 (2011-09-30)

This is the second official release.

Compared with issue 01 (2011-09-30), this issue includes the following new information:

l Hoisting an RRU and Related Cables onto a Tower

l Hoisting Fiber Optic Cables onto a Tower

l Hoisting Power Cables onto a Tower

Compared with issue 01 (2011-09-30), this issue includes the following changes:

Topic

4 Unpacking the Equipment Added the requirements for powering on the

7.1 Cabling Requirements Optimized cabling requirements.

Compared with issue 01 (2011-09-30), no information is deleted from this issue.

This is the first official release.

Change Description

cabinet and module.

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RRU3942 Installation Guide 2 Installation Preparations

2 Installation Preparations

About This Chapter

2.1 Reference Documents

Before the installation, you must be familiar with reference documents.

2.2 Tools and Instruments

All tools and instruments required for RRU installation must be ready before the installation.

2.3 Skills and Requirements for Onsite Personnel

Onsite personnel must be qualified and trained. Before performing any operation, onsite personnel must be familiar with correct operation methods and safety precautions.

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RRU3942 Installation Guide 2 Installation Preparations

2.1 Reference Documents

Before the installation, you must be familiar with reference documents.

The following reference documents are required during RRU installation:

l RRU3942 Hardware Description

l RRU3942 Hardware Maintenance Guide

l DBS3900 Installation Guide

l OCB User Guide

2.2 Tools and Instruments

All tools and instruments required for RRU installation must be ready before the installation.

Hammer drill (a φ 14 bit)

Heat gun Phillips screwdriver (M3 to

Rubber mallet COAX crimping tool Wire stripper

Utility knife Cable cutter Adjustable wrench (capacity

ESD gloves Vacuum cleaner

Flat-head screwdriver (M3 to

M6)

≥ 32 mm [1.26 in.])

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RRU3942 Installation Guide 2 Installation Preparations

Level Torque screwdriver

5 mm

(M3 to M6)

Multimeter

Marker (diameter ≤ 10 mm [0.39 in.])

Torque wrench

Capacity: 17 mm [0.67 in.], 21 mm [0.82 in.], and 32 mm [1.26 in.]

Combination wrench

Capacity: 17 mm [0.67 in.], 21 mm [0.82 in.], and 32 mm [1.26 in.]

Measuring tape

2.3 Skills and Requirements for Onsite Personnel

Onsite personnel must be qualified and trained. Before performing any operation, onsite personnel must be familiar with correct operation methods and safety precautions.

Before the installation, pay attention to the following items:

l The customer's technical engineers must be trained by Huawei and be familiar with the

proper installation and operation methods.

l The number of onsite personnel depends on the engineering schedule and installation

environment. Generally, only three to five onsite personnel are necessary.

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RRU3942 Installation Guide 3 Information About the Installation

3 Information About the Installation

About This Chapter

Before installing an RRU, you must be familiar with its exterior, ports, installation options, physical supports, and installation clearance requirements.

3.1 RRU Exterior

This section describes the exterior and dimensions of an RRU.

3.2 RRU Ports

This section describes RRU ports positioned on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel.

3.3 RRU Indicators

This section describes six indicators on an RRU. They indicate the running status.

3.4 Installation Options

This section describes RRU installation options. An RRU can be installed on a pole, U-steel, angle steel, or wall.

3.5 Installation Clearance Requirements of an RRU

This section describes the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs.

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RRU3942 Installation Guide 3 Information About the Installation

3.1 RRU Exterior

This section describes the exterior and dimensions of an RRU.

Figure 3-1 shows an RRU.

Figure 3-1 RRU exterior

Figure 3-2 shows RRU dimensions.

Figure 3-2 RRU dimensions

3.2 RRU Ports

This section describes RRU ports positioned on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel.

Figure 3-3 shows RRU ports on the panels.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-3 RRU ports on the panels

Table 3-1 describes RRU ports and indicators on the panels.

Table 3-1 RRU ports and indicators on the panels

Item

Label Description

(1) Ports at the bottom ANT_TX/RXA TX/RX port A, supporting RET signal

transmission

ANT_RXC RX port C

ANT_RXD Port RX port D

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RRU3942 Installation Guide 3 Information About the Installation

Item Label Description

ANT_TX/RXB TX/RX port B

RX_IN/OUT Port for the inter-RRU RF cable

RET Communication port for the RET antenna,

supporting RET signal transmission

(2) Ports in the cabling

RTN(+) Power supply socket

cavity

NEG(-)

CPRI0 Optical/electrical port 0

CPRI1 Optical/electrical port 1

EXT_ALM Port for alarm reporting

(3) Indicators RUN For details, see 3.3 RRU Indicators.

ALM

ACT

VSWR

CPRI0/IR0

CPRI1/IR1

NOTE

The port for transmitting RET signals is determined by the software.

Table 3-2 describes how to use RF ports.

Table 3-2 Method of using RF ports

Product Version

TX/RX Channel Number of Used

RF Ports

MBTS V100R004 2T2R 2 ANT_TX/RXA is

Versions later than

One 1T2R 2 ANT_TX/RXA is

MBTS V100R004

2 ANT_TX/RXB is

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Method

used with ANT_TX/ RXB.

used with ANT_RXC.

used with ANT_RXD.

RRU3942 Installation Guide 3 Information About the Installation

Product Version TX/RX Channel Number of Used

3.3 RRU Indicators

This section describes six indicators on an RRU. They indicate the running status.

For detailed positions of RRU indicators, see 3.2 RRU Ports.

Table 3-3 describes RRU indicators.

Method

RF Ports

Two 1T2R 4 ANT_TX/RXA is

used with ANT_RXC, and ANT_TX/RXB is used with ANT_RXD.

2T2R 2 ANT_TX/RXA is

used with ANT_TX/ RXB.

Table 3-3 RRU indicators

Label

RUN Green On There is power supply, but the module is

ALM Red On Alarms are generated, and the module must

Color Status Description

faulty.

Off There is no power supply, or the module is

faulty.

Blinking (on for 1s and off for 1s)

Blinking (on for

0.125s and off for

0.125s)

Blinking (on for 1s and off for 1s)

Off No alarm is generated.

The module is working properly.

Software is being loaded to the module, or the module is not started.

be replaced.

Alarms are generated. The alarms may be caused by the faults on the related boards or ports. Therefore, the necessity for module replacement is uncertain.

ACT Green On The module is working properly with TX

channels enabled.

Blinking (on for 1s and off for 1s)

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The module is working properly with TX channels disabled.

RRU3942 Installation Guide 3 Information About the Installation

Label Color Status Description

VSWR Red Off No VSWR alarm is generated.

CPRI0/IR0 Red and

green

CPRI1/IR1 Red and

green

Blinking (on for 1s and off for 1s)

On VSWR alarms are generated on the

Blinking (on for

0.125s and off for

0.125s)

Steady green The CPRI link is available.

Steady red An optical module fails to transmit or receive

Blinking red (on for 1s and off for 1s)

Off The SFP module is not properly installed, or

Steady green The CPRI link is available.

Steady red An optical module fails to transmit or receive

VSWR alarms are generated on the ANT_TX/RXB port.

ANT_TX/RXA port.

VSWR alarms are generated on the ANT_TX/RXA and ANT_TX/RXB ports.

signals because the optical module is faulty or the fiber optic cable is broken.

The CPRI link is out of lock because of mutual lock of dual-mode clock sources or mismatched data rates over CPRI ports (you are advised to check the system configuration to identify the fault).

the optical module is powered off.

signals because the optical module is faulty or the fiber optic cable is broken.

Blinking red (on for 1s and off for 1s)

Off The SFP module is not properly installed, or

The CPRI link is out of lock because of mutual lock of dual-mode clock sources or mismatched data rates over CPRI ports (you are advised to check the system configuration to identify the fault).

the optical module is powered off.

3.4 Installation Options

This section describes RRU installation options. An RRU can be installed on a pole, U-steel, angle steel, or wall.

Installing an RRU on a Pole

Figure 3-4 shows the diameter of pole for installing an AAU3801.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-4 Diameter of a pole

CAUTION

l The diameter of a pole for installing an RRU ranges from 60 mm (2.36 in.) to 114 mm (4.49

in.). The recommended diameter is 80 mm (3.15 in.).

l If the diameter of a pole ranges from 60 mm (2.36 in.) to 76 mm (2.99 in.), a maximum of

two RRUs can be installed on the pole and the side-mounted installation is not recommended.

Figure 3-5 shows an RRU installed on a pole.

Figure 3-5 RRU installed on a pole

Installing an RRU on U-steel

Figure 3-6 shows U-steel specifications.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-6 U-steel specifications

CAUTION

l It is recommended that only one RRU be installed on U-steel.

l The vertical deviation angle of U-steel must be less than or equal to 10 degrees, as shown in

Figure 3-7.

Figure 3-7 Requirements for the vertical deviation angle of U-steel or angle steel

(1) RRU

(2) U-steel or angle steel

Figure 3-8 shows an RRU installed on U-steel.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-8 RRU installed on U-steel

Installing an RRU on Angle Steel

Figure 3-9 shows angle steel specifications.

Figure 3-9 Angle steel specifications

CAUTION

l It is recommended that only one RRU be installed on angle steel.

l The vertical deviation angle of angle steel must be less than or equal to 10 degrees, as shown

in Figure 3-7.

Figure 3-10 shows an RRU installed on angle steel.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-10 RRU installed on angle steel

Installing an RRU on a Wall

The wall on which RRUs are installed must meet the following requirements:

l When a single RRU is installed, the wall has a capacity of bearing at least four times the

weight of the RRU.

l Expansion bolts must be tightened to 30 N·m (265.52 lbf·in.) to ensure the bolts work

properly and the wall remains intact without cracks in it.

CAUTION

The brackets cannot be combined when RRUs are installed on a wall, as shown in Figure

3-11.

Figure 3-11 Correct placement of brackets

Figure 3-12 shows an RRU installed on a wall.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-12 RRU installed on a wall

3.5 Installation Clearance Requirements of an RRU

This section describes the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs.

NOTE

The recommended installation clearance ensures normal running and provides an appropriate space for Operation and Maintenance (O&M). If there is sufficient space, leave the recommended installation clearance.

The minimum installation clearance ensures normal running and heat dissipation, but OM activities such as checking indicator status and opening the maintenance cavity cannot be properly conducted. If the installation space is restricted, leave the minimum installation clearance.

3.5.1 Installation Clearance for a Single RRU

This section describes the recommended and minimum installation clearance for a single RRU.

Recommended Installation Clearance for a Single RRU

Figure 3-13 shows the recommended installation clearance for a single RRU.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-13 Recommended installation clearance for a single RRU

Minimum Installation Clearance for a Single RRU

Figure 3-14 shows the minimum installation clearance for a single RRU.

Figure 3-14 Minimum installation clearance for a single RRU

Minimum Installation Clearance for a Single RRU Installed on a Tower

Figure 3-15 shows the minimum installation clearance for a single RRU installed on a tower.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-15 Minimum installation clearance for a single RRU installed on a tower

3.5.2 Installation Clearance for Multiple RRUs

This section describes the recommended and minimum installation clearance for multiple RRUs.

Recommended Installation Clearance for Multiple RRUs Installed in Centralized Mode

Figure 3-16 shows the recommended installation clearance for multiple RRUs installed in

centralized mode.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-16 Recommended installation clearance for multiple RRUs installed in centralized mode

Minimum Installation Clearance for Multiple RRUs Installed in Centralized Mode

Figure 3-17 shows the minimum installation clearance for multiple RRUs installed in centralized

mode.

Figure 3-17 Minimum installation clearance for multiple RRUs installed in centralized mode

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RRU3942 Installation Guide 3 Information About the Installation

Recommended Clearance for Multiple RRUs Installed on a Wall in Standard Mode

Figure 3-18 shows the recommended clearance for multiple RRUs installed on a wall in standard

mode.

Figure 3-18 Recommended clearance for multiple RRUs installed on a wall in standard mode

Minimum Clearance for Multiple RRUs Installed on a Wall in Standard Mode

Figure 3-19 shows the minimum clearance for multiple RRUs installed on a wall in standard

mode.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-19 Minimum clearance for multiple RRUs installed on a wall in standard mode

Recommended Clearance for Multiple RRUs Side-Mounted on a Wall

Figure 3-20 shows the recommended clearance for multiple RRUs side-mounted on a wall.

Figure 3-20 Recommended clearance for multiple RRUs side-mounted on a wall

3.5.3 Installation Spacing Between RRUs

This section describes the horizontal and vertical installation spacing between RRUs.

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RRU3942 Installation Guide 3 Information About the Installation

Recommended Horizontal Spacing Between RRUs

Figure 3-21 shows the recommended horizontal spacing between RRUs.

Figure 3-21 Recommended horizontal spacing between RRUs

Minimum Horizontal Spacing Between RRUs

Figure 3-22 shows the minimum horizontal spacing between RRUs.

Figure 3-22 Minimum horizontal spacing between RRUs

Recommended Vertical Spacing Between RRUs

Figure 3-23 shows the recommended vertical spacing between RRUs.

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RRU3942 Installation Guide 3 Information About the Installation

Figure 3-23 Recommended vertical spacing between RRUs

Minimum Vertical Spacing Between RRUs

Figure 3-24 shows the minimum vertical spacing between RRUs.

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