Huawei DBS3900 Installation Manual page 5

DBS3900 (Ver.B)
Installation Guide
14 Indoor Scenario with DC Power Supply (BBU Installed Indoors and RRU Powered
Outdoors)
In this scenario, a DBS3900 is deployed indoors with DC power supply. The installation of the
BBU is not described in this scenario. An APM30H is installed outdoors, supplying power to
and monitoring only RRUs.
Conventions
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
General Conventions
The general conventions that may be found in this document are defined as follows.
Convention
Times New Roman
Boldface
Italic
Courier New
Command Conventions
The command conventions that may be found in this document are defined as follows.
Issue 06 (2011-09-15)
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.
Description
Normal paragraphs are in Times New Roman.
Names of files, directories, folders, and users are in
boldface. For example, log in as user root.
Book titles are in italics.
Examples of information displayed on the screen are in
Courier New.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
About This Document
iv