Huawei RRU3942 Mode d’emploi
RRU3942
Hardware Description
Issue 02
Date 2012-06-29
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved.
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]
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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
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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
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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.
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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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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
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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
Copyright © Huawei Technologies Co., Ltd.
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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
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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
Copyright © Huawei Technologies Co., Ltd.
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2
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