Huawei RRU3201 Manuel du propriétaire
RRU3201
Hardware Maintenance Guide
Issue 04
Date 2011-09-15
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2011. 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 describes routine maintenance procedures for an RRU3201 (referred to as RRU
in this document), such as equipment preventive maintenance and power-on and power-off
operations. It also explains how to replace the RRU and optical modules.
Product Versions
The following table lists the product versions related to this document.
Product Name Product Version
DBS3900 V100R004 and later versions
DBS3900 LTE V100R003C00 and later versions
Intended Audience
This document is intended for:
lSystem engineers
lSite maintenance engineers
Organization
1 Changes in the RRU3201 Hardware Maintenance Guide
This chapter describes the changes in the RRU3201 Hardware Maintenance Guide.
2 Preventative Maintenance Items for an RRU
Preventative maintenance for an RRU improves the reliability of the RRU. You are advised to
perform scheduled maintenance yearly.
3 Powering On and Off an RRU
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After an RRU is powered on, check the status of RRU indicators and voltage. Before the RRU
is powered off, follow the normal power-off or emergency power-off procedure as required.
4 Replacing an RRU
A distributed base station consists of RRUs and a BBU. Replacing an RRU interrupts all the
services carried by the RRU, and alarms are generated.
5 Replacing an Optical Module
An optical module implements optical-electrical conversion, enabling optical transmission
between an RRU and other devices. You must disconnect fiber optic cables from an optical
module before replacing the optical module. Disconnecting the fiber optic cables interrupts the
transmission of CPRI signals.
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.
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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.
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.
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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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Contents
About This Document.....................................................................................................................ii
1 Changes in the RRU3201 Hardware Maintenance Guide.....................................................1
2 Preventative Maintenance Items for an RRU...........................................................................3
3 Powering On and Off an RRU....................................................................................................5
3.1 Powering On an RRU.........................................................................................................................................6
3.2 Powering Off an RRU........................................................................................................................................6
4 Replacing an RRU.........................................................................................................................8
5 Replacing an Optical Module...................................................................................................11
RRU3201
Hardware Maintenance Guide Contents
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1 Changes in the RRU3201 Hardware
Maintenance Guide
This chapter describes the changes in the RRU3201 Hardware Maintenance Guide.
04 (2011-09-15)
This is the fourth official release.
Compared with issue 03 (2011-04-15), this issue does not add any information.
Compared with issue 03 (2011-04-15), this issue incorporates the following change:
Topic Change Description
5 Replacing an Optical Module Optimized the description of the feature that
optical modules are hot-swappable.
Compared with issue 03 (2011-04-15), this issue does not remove any information.
03 (2011-04-15)
This is the third official release.
Compared with issue 02 (2011-03-15), this issue does not add any information.
Compared with issue 02 (2011-03-15), this issue incorporates the following change:
Topic Change Description
4 Replacing an RRU Added the commands for querying electronic
labels of boards online.
Compared with issue 02 (2011-03-15), this issue does not remove any information.
RRU3201
Hardware Maintenance Guide 1 Changes in the RRU3201 Hardware Maintenance Guide
Issue 04 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1
02 (2011-03-15)
This is the second official release.
Compared with issue 01 (2011-01-20), this issue does not add any information.
Compared with issue 01 (2011-01-20), this issue incorporates the following change:
Topic Change Description
4 Replacing an RRU Added the procedures for querying electronic
labels of boards.
Compared with issue 01 (2011-01-20), this issue does not remove any information.
01 (2011-01-20)
This is the first official release.
Compared with draft A (2010-12-15), this issue does not add any information.
Compared with draft A (2010-12-15), this issue incorporates the following change:
Topic Change Description
4 Replacing an RRU Optimized the figure of replacing an RRU.
Compared with draft A (2010-12-15), this issue does not remove any information.
Draft A (2010-12-15)
This is the draft.
Compared with issue 02 (2010-07-30) of V100R002C00, this issue does not add any information.
Compared with issue 02 (2010-07-30) of V100R002C00, this issue does not incorporate any
change.
Compared with issue 02 (2010-07-30) of V100R002C00, this issue does not remove any
information.
RRU3201
Hardware Maintenance Guide 1 Changes in the RRU3201 Hardware Maintenance Guide
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Copyright © Huawei Technologies Co., Ltd.
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2 Preventative Maintenance Items for an RRU
Preventative maintenance for an RRU improves the reliability of the RRU. You are advised to
perform scheduled maintenance yearly.
DANGER
While working at heights, be careful not to drop any tools, equipment, or other objects. Falling
objects may cause serious injury or death. Always wear a helmet and avoid standing in the danger
area.
The items in the following checklist are not mandatory but strongly recommended. Table 2-1
lists the preventative maintenance items for an RRU.
Table 2-1 Preventative maintenance items for an RRU
SN Item
1All RRUs are properly installed and in good condition.
2 Cables are sealed properly at the entry points of the cabinet.
3 All radio frequency (RF) cables are free from wear, cuts, cracks, or other damage.
4 All RF cable connectors are sealed properly.
5 All RF cable conduits are in good condition.
6 All power cables are free from wear, cuts, cracks, or other damage.
7 All power cable connectors are in good condition.
8 All power cable conduits are in good condition.
9 All shield layers of power cables are in good condition.
10 All power cables are sealed properly.
11 All CPRI fiber optic cables are free from wear, cuts, cracks, or other damage.
12 All screws are tightened on the cover plate of the maintenance cavity.
RRU3201
Hardware Maintenance Guide 2 Preventative Maintenance Items for an RRU
Issue 04 (2011-09-15) Huawei Proprietary and Confidential
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3
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