Huawei RRU3942 Guida

RRU3942

Hardware Description

Issue 02

Date 2012-06-29

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: [email protected]

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

About This Document

Purpose

This document provides reference for planning and deploying an RRU3942 (referred to as RRU

in this document). It presents the exterior and describes the ports, functions, cable types,

connector specifications, and cable connections of the RRU.

Product Version

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

Product Name Product Version

DBS3900 V100R004C00 and later versions

DBS3900 GSM V100R013C00 and later versions

DBS3900 WCDMA V200R013C00 and later versions

DBS3900 LTE V100R005C00 and later versions

Intended Audience

This document is intended for:

lBase station installation engineers

lSystem engineers

lSite maintenance engineers

Organization

1 Changes in the RRU3942 Hardware Description

This chapter describes the changes in the RRU3942 Hardware Description.

2 RRU Introduction

RRU3942

Hardware Description About This Document

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

This chapter describes the function and exterior of the RRU as well as the ports and indicators

on the RRU.

3 RRU Cables

This chapter describes RRU cables.

4 RRU Auxiliary Devices

This chapter describes RRU auxiliary devices.

Conventions

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.

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

RRU3942

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iii

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.

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.

RRU3942

Hardware Description About This Document

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

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.

RRU3942

Hardware Description About This Document

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

Contents

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

1 Changes in the RRU3942 Hardware Description....................................................................1

2 RRU Introduction..........................................................................................................................2

2.1 RRU Functions...................................................................................................................................................3

2.2 RRU Exterior......................................................................................................................................................3

2.3 RRU Ports...........................................................................................................................................................4

2.4 RRU Indicators...................................................................................................................................................9

3 RRU Cables...................................................................................................................................11

3.1 RRU Cable List................................................................................................................................................13

3.2 RRU PGND Cable............................................................................................................................................15

3.3 RRU Power Cable............................................................................................................................................16

3.4 RRU Alarm Cable............................................................................................................................................17

3.5 CPRI Fiber Optic Cable....................................................................................................................................18

3.6 RRU RF Jumper...............................................................................................................................................21

3.7 Inter-RRU RF Cable.........................................................................................................................................22

3.8 RRU AISG Multi-Wire Cable..........................................................................................................................22

3.9 RRU AISG Extension Cable............................................................................................................................23

4 RRU Auxiliary Devices..............................................................................................................25

4.1 OCB..................................................................................................................................................................26

RRU3942

Hardware Description Contents

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

1 Changes in the RRU3942 Hardware

Description

This chapter describes the changes in the RRU3942 Hardware Description.

02 (2012-06-29)

This is the second official release.

Compared with issue 01 (2012-04-25), this issue does not include any new information.

Compared with issue 01 (2012-04-25), this issue includes the following changes:

Topic Change Description

3.2 RRU PGND Cable Added the length information of the cables.

3.3 RRU Power Cable

3.7 Inter-RRU RF Cable

3.8 RRU AISG Multi-Wire Cable

3.9 RRU AISG Extension Cable

3.1 RRU Cable List Optimized the contents in this section.

Compared with issue 01 (2012-04-25), no information is deleted from this issue.

01 (2012-04-25)

This is the first official release.

Compared with draft A (2012-01-10), this issue does not include any modification.

Draft A (2012-01-10)

This is a draft.

RRU3942

Hardware Description 1 Changes in the RRU3942 Hardware Description

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

2 RRU Introduction

About This Chapter

This chapter describes the function and exterior of the RRU as well as the ports and indicators

on the RRU.

2.1 RRU Functions

This section describes the main functions of the RRU.

2.2 RRU Exterior

This section describes the exterior and dimensions of an RRU.

2.3 RRU Ports

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

panel, and indicator panel.

2.4 RRU Indicators

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

RRU3942

Hardware Description 2 RRU Introduction

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

2.1 RRU Functions

This section describes the main functions of the RRU.

The Remote Radio Unit (RRU) performs the following functions:

lReceives downlink baseband data from the BBU and sends uplink baseband data to the

BBU.

lReceives RF signals from the antenna system, down-converts the signals to intermediate

frequency (IF) signals, amplifies the IF signals, and performs analog-to-digital conversion.

The transmit (TX) channel filters downlink signals, performs digital-to-analog conversion,

and up-converts RF signals to the TX band.

lMultiplexes receive (RX) and TX signals on the RF channel, which enables these signals

to share the same antenna path. It also filters the RX and TX signals.

lProvides a built-in Bias Tee (BT). The built-in BT couples RF signals and OOK signals

and transmits them through the TX/RX port A. The built-in BT also supplies power to the

tower mounted amplifier (TMA).

lThe RRU can be powered by the AC/DC power module. In this case, this RRU is called

AC RRU. For details about the AC/DC power module, see the AC/DC Power Module User

Guide.

2.2 RRU Exterior

This section describes the exterior and dimensions of an RRU.

Figure 2-1 shows an RRU.

Figure 2-1 RRU exterior

Figure 2-2 shows RRU dimensions.

RRU3942

Hardware Description 2 RRU Introduction

Issue 02 (2012-06-29) Huawei Proprietary and Confidential

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