AP Manager Product Description V100R002
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AP Manager Product Description (AP)
Issue 2.0
Date 2009-07-02
HUAWEI TECHNOLOGIES CO., LTD.
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Copyright © Huawei Technologies Co., Ltd. 2009. 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 othertrademarks and trade names mentioned in this document are the property of their respectiveholders.
Notice
The purchased products, services and features are stipulated by the commercial contract made
between Huawei and the customer. All or partial products, services and features described in thisdocument may not be within the purchased scope or the usage scope. Unless otherwise agreed bythe contract, all statements, information, and recommendations in this document are provided “ASIS” 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 inthe 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 orimplied.
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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Contents
1 Introduction .........................................................................................................................5
1.1 Positioning ...........................................................................................................................................5
1.1.1 Background.................................................................................................................................5
1.1.2 Network Architecture..................................................................................................................5
1.1.3 Benefits .......................................................................................................................................7
1.1.4 Introduction to the AP Manager............. ........... ............. ............ ............. ........... ............. ............ 7
1.1.5 Position of the AP Manager in the uBro System.........................................................................7 1.2 Product Features...................................................................................................................................8
2 Architecture........................................................................................................................10
2.1 Overview............................................................................................................................................10
2.2 Hardware Architecture .......................................................................................................................10
2.2.1 Overview of the Hardware Architecture ........... ............. ............ ............. ........... ............. .......... 10
2.2.2 Physical Structure of the AP Manager Based on ATAE ............ ........... ............. ............ ............ 11
2.3 Software Architecture.........................................................................................................................12
2.4 Interfaces............................................................................................................................................13
2.4.1 External Interfaces ....................................................................................................................13
2.4.2 Internal Interfaces .....................................................................................................................14
3 Configurations...................................................................................................................15
3.1 Overview............................................................................................................................................15
3.2 Typical Configurations.......................................................................................................................15
3.2.1 Typical Configuration of the AP Manager Server ............ ............ ............ ............. ............. ....... 15
3.2.2 Typical Configuration of a PC ........... ............ ............ ............ ............. ............ ............ ............ ..17
4 Technical Specification....................................................................................................18
4.1 Performance Specifications................................................................................................................18
4.2 Physical and Electrical Specifications................................................................................................18
4.3 Reliability Specifications ...................................................................................................................20 4.4 Safety Compliance .............................................................................................................................20
4.5 EMC Compatibility............................................................................................................................21
4.6 Environment Specifications ...............................................................................................................21
4.6.1 Storage Environment ................................................................................................................21
4.6.2 Shipping Environment ..............................................................................................................23
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4.6.3 Work Environment....................................................................................................................26
5 Acronyms and Abbreviations.........................................................................................29
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1 Introduction
1.1 PositioningThis document is intended for the iManager M2000 AP Manager V100R002.
1.1.1 BackgroundThe 3G indoor coverage problems such as high frequency band and poor penetration
always present subscribers and operations with difficulty.
The wide application of 3G requires the operator to provide quality radio signal
coverage. It is, however, difficult to ensure high indoor signal quality because
buildings can block radio signals.
Indoor signal coverage is completely different from outdoor signal coverage.Outdoor coverage features the plane coverage in large areas. The 3G applications
required by subscribers in indoor areas such as home and small office and home
office (SOHO) feature small capacity and mini-area. The required mode for
indoor coverage is dot coverage.
When attempting to solve the indoor coverage problem, the operator mustconsider the operation expenditure for installation and maintenance, apart fromthe capital expenditure on equipment.
Based on the characteristics of indoor coverage and user requirements, Huawei
develops the uBro solution to solve the problem about the indoor coverage of 3G
signals.
1.1.2 Network Architecture
Figure 1-1 shows the network architecture of the uBro solution.
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Figure 1-1 Network architecture of the uBro solution
Table 1-1 lists the NEs that are newly introduced to the uBro solution.
Table 1-1 Newly introduced NEs in the uBro solution
Equipment Function
AP The access point (AP) provides access to the UMTS network. It
provides the functions such as radio modulation and
demodulation, radio resource management, and power control.
AG The access gateway (AG) is located on the operator's Intranet. It
controls and manages APs and provides routes to other NEs.
Clock server The clock server acts as a clock source and provides accurate
clock signals for APs. The clock server can be placed in a fixednetwork and connected to the DSLAM or the BAS. It can also be
placed in a mobile network.
AHR The AP home register (AHR), which is the home server of APs, is
placed on the operator's Intranet. It stores the location information
of UMTS APs, account information, and MS access control list.
AP Manager The AP Manager is the AP management system. It allows you to
manage APs in a centralized manner.
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Equipment Function
AAA The authorization, authentication, and accounting (AAA) server
authenticates the identity and authority of a user and records the
user's activities.
1.1.3 Benefits
Benefits for the Operator
By using APs, the operator can obtain the following benefits:
The operator can effectively solve the problem about the indoor coverage of the
UMTS network, thus better fulfilling the users' requirements for 3G services.
The expenditure for installing and maintaining the uBro system is low. The uBro
system supports automatic software upgrade and configuration, and automatic
network planning. Therefore, the uBro system can be rapidly and widely
deployed by the operator.
Benefits for Terminal Users
By using APs, terminal users obtain the following benefits:
Terminal users can enjoy 3G network services of higher quality at a lower price at
home because the uBro system does not occupy the radio access resources of the
NodeB.
The UMTS AP supports user license management and access control. Thisprevents an AP from being used by an unauthorized UE. Thus, the expenditure on
APs is effectively reduced.
1.1.4 Introduction to the AP ManagerThe AP Manager is a platform developed by Huawei to manage APs. On this platform,
you can operate and maintain the uBro solution.
The AP Manager provides the following functions:
Configuration management
Software management
Fault management
Task management
Security management
Log management
1.1.5 Position of the AP Manager in the uBro System
Figure 1-2 shows the position of the AP Manager in the uBro system.
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Figure 1-2 Position of the AP Manager in the uBro system
ModemAP
Home Zone
Clock server
SGW
Firewall
AP Manager
AHR
AG
1.2 Product FeaturesPowerful Operation and Maintenance Functions
The AP Manager provides the following functions:
Configuration management
Software management
Fault management
Task management
Security management
Log management
The AP Manager allows you to configure APs and upgrade the AP software in batches.
You can also upload the log files and performance files of APs to the AP Manager.
Apart from the main functions, the AP Manager supports the following services:
Multiple file servers
Daylight saving time (DST) and Network Time Protocol (NTP)
License-based AP management
Configuring custom AP parameters in batches by importing files
Configuring AP zone parameters in batches by importing files
Fault subscription and AP alarm management
Linux operating system and the Oracle database
Integrated Processing Platform
The AP Manager adopts the Advance Telecommunications Application Environment
(ATAE) hardware platform. The ATAE hardware platform, which is developed by
Huawei, is a professional and highly integrated carrier-class platform with high
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performance. Dedicated to telecommunication applications, the ATAE platformincorporates the carrier grade Linux (CGL) technology to implement the large capacity,
high performance, high reliability, and high scalability.
Operation Interface Base on the Web
The AP Manage provides a web-based operation and maintenance interface that allowsyou to perform centralized operation and maintenance on the AP. The interface is easy
to be installed and operate.
Reliable System
The AP Manager operates on the ATAE platform. The stable operation and high
performance of the ATAE platform ensures the high reliability of the AP Manager.
The system data of the AP Manager is stored on the database of the AP Manager server.The high security and the backup and restore mechanism of the database ensure the
high reliability of the system data.
Reliable SoftwareThe AP Manager adopts the 3-layer Java 2 Platform Enterprise Edition (J2EE)
structure with Enterprise Java Bean (EJB) as the core.The stable and secure JAVA
platform ensures the reliability of the AP Manager software.
The AP Manager limits the number of login attempts. During a specific period, if the
number of successive illegal login attempts of a user exceeds the maximum number of
login attempts, the AP Manager locks the user and records the login failure in thesecurity log. After a certain period, the AP Manager automatically unlocks the user.
The AP Manager provides the function of prompting you to confirm important or
global operations.
If no operation is performed within a long period after you log in to the AP Manager,
the current user is forced out of the system.
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2 Architecture
2.1 OverviewThe AP Manager uses the browser/server mode.
The AP Manager server application runs on the AP Manager server. When managingAPs, you can log in to the AP Manager server by using the web browser on your client
PC. This chapter describes the hardware and software architecture of the AP Managersystem.
2.2 Hardware Architecture
2.2.1 Overview of the Hardware Architecture
A typical AP Manager system consists of the following components:
A server or servers
A client or clients
Other networking devices
AP Manager server consists application server and database server.
If few APs are managed by the system, you can install the application server anddatabase server on the same ATAE server board.
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2.2.2 Physical Structure of the AP Manager Based on ATAE
Figure 2-1 shows the physical structure of the AP Manager when the ATAE board acts
as the AP Manager server in the single-server system.
Figure 2-1 Typical configuration of the AP Manager in the single-server system
Figure 2-2 shows the physical structure of the AP Manager when the ATAEboard acts as the AP Manager server in the HA system.
Figure 2-2 Typical configuration of the AP Manager in the HA system
Table 2-1 describes the devices at the server side.
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Table 2-1 Description of the devices at the server side (HA system)
Device Description
Active serverblade
The server of the AP Manager system. Running the AP
Manager server software, the active and standby serverblades work together and use the Veritas Cluster Server(VCS) software to monitor and switch over the serverresources.
Standby serverblade
The redundancy server of the active server. When theresources on the active server are faulty, the resourcescan be switched over to the standby server bladethrough the VCS.
Disk arrayProvides high-availability storage space for the activeserver. When the active server is faulty, the VCS mountsthe disk array to the standby server. In the uBro solution,the disk array is shared by the AHR, AP Manager,M2000, and AAA. The AP Manager server and M2000
server shares four disks on the disk array. These disksare made to a RAID 1 + 0 and identified by a logical unitnumber (LUN). In this case, the data stored on the diskarray is secure.
2.3 Software ArchitectureFigure 2-3shows the software structure of the AP Manager.
Figure 2-3 Software structure of the AP Manager
GUI
DB
CM SWMTM
SEM LMDB
Interface
AHR
InterfaceAHR
HTTP
Web Web
TR069
AP AP...
AP Manager
...
As shown inFigure 2-3, the AP Manager software consists of multiple modules. The
AP Manager communicates with the Web browser through HTTP, provides an
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interface to the AHR software through the AHR Interface module, and provides aninterface to the AP software through the TR069 module. In addition, the AP Manager
gains access to the databases on the AP Manager server through the DB Interface
module.
Table 2-2 describes the software modules of the AP Manager server.
Table 2-2 Software modules of the AP Manager server
Module Function
Configuration management
module (CM)
Configures one or multiple APs.
Remotely restart the APs.
Software management
module (SWM)
Provides the software management function, which
enables you to upgrade the software of a single AP or
a batch of APs.
Task management module
(TM)
Provides the task management function, which
enables you to configure and upgrade APs based on
tasks.
Security management
module (SEM)
Provides the security management function,
including authority management and user groupmanagement.
Log management module
(LM)
Provides the log management function, which
enables you to manage system logs, security logs,and operation logs.
Fault Manangerment (FM) Provides FM, which involves the monitoring of fault
status, browsing of online alarm logs, management of
AP fault locating files, and management of AP
alarms
Database interface module
(DB Interface)Provides an interface to the database system.
AHR interface module
(AHR Interface)Provides an interface to the AHR software.
TR069 module (TR069) Provides an interface to the AP software.
2.4 Interfaces
2.4.1 External Interfaces
The AP Manager provides the following external interfaces:
Web interface
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You can use the IE browser to manage APs. The IE browser communicates withthe AP Manager over HTTP.
TR069 interface
The AP Manager manages APs by using the TR069 interface. The design of the
TR069 interface complies with the TR069 protocol.
AHR interfaceThe interface between the AP Manager and the AHR uses a proprietary protocol,which is based on the Simple Object Access Protocol (SOAP).
Database interface
The AP Manager uses the Java database connectivity (JDBC) database interface.
2.4.2 Internal Interfaces
The AP Manager adopts the 3-layer Java 2 Platform Enterprise Edition (J2EE)
structure with Enterprise JavaBeans (EJB) as the core.
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3 Configurations
3.1 OverviewA typical AP Manager system consists of the AP Manager server, PC, and some
networking devices. This chapter describes the typical configuration of the AP
Manager server and PC.
3.2 Typical Configurations
3.2.1 Typical Configuration of the AP Manager Server
Table 3-1 lists the typical configuration of the AP Manager server when ATAE boards
act as the AP Manager server.
Table 3-1 Configuration of the AP Manager server (ATAE)
Item Configuration
Number of CPUs 2
Main frequency of the
CPU (GHz)2130 MHz
Memory (GB) 8 GB
Hard disk 2 x 146 GB
Disk array One 3100 disk array, which consists of sixteen 146
GB hard disks. The disk array is optional.
Accessories Ethernet adapter/DATA72 tape drive/Englishdocumentation
Operating system SUSE Linux Enterprise Server 10 SP01//English
documentation
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Database Oracle Database 11g Enterprise Edition Release
11.1.0.6.0 - 64bit Production/English documentation
Application software AP Manager server application software
In the HA system, the ATAE server blade can act as the server of the AP Manager. For
description of the typical configuration of the AP Manager server in this case, see
Table 3-2.
Table 3-2 Configuration of the AP Manager server in the HA system
Item Configuration
Number of CPUs 2
Main frequency of theCPU (GHz)
2130 MHz
Memory (GB) 8 GB
Hard disk 2 x 146 GB
Disk array One 3100 disk array, which consists of sixteen 146 GB
hard disks.
Accessories Ethernet adapter/English documentation
Operating system SUSE Linux Enterprise Server 10 SP01//English
documentation
Database Oracle Database 11g Enterprise Edition Release
11.1.0.6.0 - 64bit Production/English documentation
Cluster management
software
Storage Foundation Cluster File System Enterprise HA
(SFCFS) software Application software AP Manager server application software
When ATAE boards act as the AP Manager server, you need to install a PC server asthe USM server for installing software on ATAE boards. For detailed configuration,
see Table 3-3.
Table 3-3 Typical configuration of PC server
Item Configuration
Number of CPUs 2
Main frequency of the CPU
(GHz)
1.6 GHz
Memory (GB) 8GB
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Hard disk 2 x 146GB
Accessories DVD/ Ethernet adapter /English documentation
Operating system SUSE Linux Enterprise Server 9 SP02/English
documentation
Application software USM server application software
3.2.2 Typical Configuration of a PC
A common PC installed with Internet Explorer (IE) 6.0 or a later version is requiredfor your access to the home page of the AP Manager system.Table 3-4 lists the
recommended configuration of the PC.
Table 3-4 PC configuration
Item Configuration
CPU E2200 or faster
Memory 1 GB
Hard disk 80 GB
Accessories DVDRW, integrated NIC, integrated audio card, internalspeaker, and 17-inch LCD
Operating system Windows XP Professional Service Pack 1 or later
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4 Technical Specification
4.1 Performance SpecificationsTable 4-1 lists the performance specifications of the AP Manager server in typical
configuration.
Table 4-1 Performance specifications of the AP Manager
Property Value
Number of managed APs 250,000 (only for one ATAE board)
Number of APs that are upgraded
at the same time
30
Number of versions that aremanaged at the same time
200
Number of APs that are modifiedand configured at the same time
100
The required bandwidth between the AP Manager and an AP is 128 kbit/s.
The required bandwidth between the AP Manager server and a PC is 128 kbit/s.
The required bandwidth between the AP Manager server and AHR server is 10 Mbit/s.
When ATAE board acts as the AP Manager server,, a maximum of 30 clients can beconnected to the AP Manager server simultaneously.
4.2 Physical and Electrical SpecificationsTable 4-2 list the specifications of the AP Manager server and cabinet. Table 4-3 lists
the specifications of different models of AP Manager systems.
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Table 4-2 Specifications of the AP Manager subrack and cabinet (ATAE)
Item Specifications
Subrack model AT8223
Subrack
dimensioning (W x D
x H)
420 mm x 440 mm x 43.6 mm
Subrack weight (kg) Empty: 32
Full configuration (1 server board + 2 switch boards): 55
Cabinet N68E-22
Cabinet dimensions
(W x D x H)600 mm x 800 mm x 2,200 mm
Power input (V) -48 VDC (-40 VDC~-57 VDC)
Table 4-3 Specifications of different models of AP Manager system
ServerModel
CabinetType
Number ofCabinets
Quality infullconfiguration(kg)
Powerconsumption in fullconfiguration (W)
ATAE N68E-22 1 160 4,800
One N68E-22 cabinet can house only one ATAE subrack. Each subrack can hold a
maximum of 12 server boards and two switch boards.
Table 4-4 lists the power consumption of all the equipment in the AP Manager system.
Table 4-4 Power consumption of all the equipment in the AP Manager system
Equipment Power Consumption (W)
Client 300
ATAE T8223 600
OceanStor S3100 446
Front board of ATAE services board 170
Back board of ATAE services board 14.2
Front board of ATAE switch board 200
Back board of ATAE switch board 14.2
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USM server (HP PC Server) 500
Quidway AR46-20 240
Quidway S3328TP-EI 20
Quidway S5624 100
KVM AC 120 V: 25
AC 230 V: 54.6
DC: 75
4.3 Reliability SpecificationsTable 4-5 lists the reliability specifications of the AP Manager system.
Table 4-5 Reliability specifications of the AP Manager system
ServerConfiguration
MTBF MTTR Mean DownTime of aYear
Availability
2-CPU ATAE
service blade244,140 hours 0.178679623
hour0.0064 hour 99.9999268
1%
4.4 Safety Compliance
To meet the requirement of safety compliance, the AP Manager must comply with thefollowing standards:
IEC 60950-1
IEC/EN41003
EN 60950-1
UL 60950-1
CSA C22.2 No 60950-1
AS/NZS 60950-1
BS EN 60950-1
IS 13252
GB4943
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4.5 EMC CompatibilityTo meet the requirement of electromagnetic compatibility (EMC), the AP Manager
complies with the following standards:
CISPR22 Class A
EN55022 Class A EN50024
ETSI EN 300 386 Serial Class A
ETSI EN 301 489 Class A
ICES 003 Class A
AS/NZS CISPR22 Class A
GB9254 Class A
VCCI Class A
CNS 13438 Class A
Council directive 89/336/EEC
4.6 Environment SpecificationsThe environmental requirements of the AP Manager involve three types ofenvironment: storage environment, shipping environment, and operating environment.
The environment specifications of the AP Manager comply with the following
standards:
GB 4798 Electrical and electric product application environment
ETS 300019 Equipment Engineering (EE); Environmental conditions andenvironmental tests for telecommunications equipment
IEC 60721 Classification of environmental conditions
4.6.1 Storage Environment
Climatic Environment
Table 4-6 lists the climatic requirements for equipment storage.
Table 4-6 Requirements for climatic environment
Property Value Range
Temperature –20°C to +60°C
Temperaturechange rate
≤ 1 oC/min
Relative humidity 10% to 100%
Altitude ≤ 5,000 m
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Property Value Range
Air pressure 70 kPa to 106 kPa
Solar radiation ≤ 1,120 W/s²
Heat radiation ≤ 600 W/s²
Wind speed ≤ 30 m/s
Waterproof Requirements
The equipment must be stored in a room with the following specifications:
Water should not accumulate on the ground or fall on the package.
The equipment is kept away from water sources such as a hydrant and
air-conditioner.
Biological Requirements
Ensure that the place for equipment storage is free of:
Fungus or mildew
Rodents such as rats
Air Purity Requirements
The air must be free of explosive, conductive, magnetic conductive, or corrosive
dust.The density of physically active materials must comply with the requirements
listed in Table 4-7.
Table 4-7 Requirements for the density of physically active materials
Physically Active Material Unit Density
Suspended dust mg/m³ ≤ 5.00
Deposited dust mg/m²·h ≤ 20.0
Sand mg/m³ ≤ 300
Note:
Suspended dust: diameter ≤ 75 µm
Deposited dust: 75 µm ≤ diameter ≤ 150 µm
Sand: 150 µm ≤ diameter ≤ 1,000 µm
The density of chemically active materials must comply with the requirements listed in
Table 4-8
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Table 4-8 Requirements for the density of chemically active materials
Chemically Active Material Unit Density
SO2 mg/m³ ≤ 0.30
H2S mg/m³ ≤ 0.10
NO2 mg/m³ ≤ 0.50
NH3 mg/m³ ≤ 1.00
Cl2 mg/m³ ≤ 0.10
HCl mg/m³ ≤ 0.10
HF mg/m³ ≤ 0.01
O3 mg/m³ ≤ 0.05
Mechanical Stress Requirements
Table 4-9 lists the storage requirements regarding mechanical stress to be maintained
during storage.
Table 4-9 Storage requirements regarding mechanical stress
Item Sub-Item Range
Offset ≤ 7.0 mm -
Accelerated speed - ≤ 20.0 m/s²
Sinusoidal
vibration
Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz
Impact response
spectrum II≤ 250 m/s²Unsteady impact
Static payload ≤ 5 kPa
Note:
Impact response spectrum: refers to the maximum acceleration response curve generated bythe equipment under specified impact excitation. Impact response spectrum II means that the
duration of semi-sine impact response spectrum is 6 ms.
Static payload: refers to the capability of the equipment to bear the pressure from the top whenit is packed in the normal pile-up method.
4.6.2 Shipping Environment
Climatic Environment
Table 4-10 lists the climatic requirements for the transportation of the AP Manager.
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Table 4-10 Requirements for climatic environment
Property Value Range
Temperature –20°C to +60°C
Temperature change rate ≤ 3°C/min
Humidity 5% to 100%
Altitude ≤ 5,000 m
Air pressure 70 kPa to 106 kPa
Solar radiation ≤ 1,120 W/s²
Heat radiation ≤ 600 W/s²
Wind speed ≤ 30 m/s
Waterproof Requirements
Before shipping the equipment, ensure that the following requirements are met:
The package is intact.
Waterproof measures are applied to the shipping vehicle to avoid water entry.
No water is accumulated in the shipping vehicle.
Biological Requirements
Ensure that the vehicle is free of:
Fungus or mildew
Rodents such as rats
Air Purity Requirements
The air must be free of explosive, conductive, magnetic conductive or corrosive dust.
The density of physically active materials must comply with the requirements listed in
Table 4-11.
Table 4-11 Requirements for the density of physically active materials
Physically Active Material Unit Density
Suspended dust mg/m³ -
Deposited dust mg/m²·h ≤ 3.0
Sand mg/m³ ≤ 100
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Physically Active Material Unit Density
Note:
Suspended dust: diameter ≤ 75 µm
Falling dust: 75 µm ≤ diameter ≤ 150 µm
Sand: 150 µm ≤ diameter ≤ 1,000 µm
The density of chemically active materials must comply with the requirements listed in
Table 4-12.
Table 4-12 Requirements for the density of chemically active materials
Chemically Active Material Unit Density
SO2 mg/m³ ≤ 0.30
H2S mg/m³ ≤ 0.10
NO2 mg/m³ ≤ 0.50
NH3 mg/m³ ≤ 1.00
Cl2 mg/m³ ≤ 0.10
HCl mg/m³ ≤ 0.10
HF mg/m³ ≤ 0.01
O3 mg/m³ ≤ 0.05
Mechanical Stress Requirements
Table 4-13 lists the mechanical stress that the AP Manager can endure duringtransportation.
Table 4-13 Shipping requirements regarding mechanical stress
Item Sub-Item Range
Offset ≤ 7.5 mm - -
Accelerated speed - ≤ 20.0 m/s² ≤ 40.0 m/s²
Sinusoidal
vibration
Frequency range 2 Hz to 9 Hz 9 Hz to 200
Hz
200 Hz to 500
Hz
Spectrum densityof acceleratedspeed
10 m²/s³ 3 m²/s³ 1 m²/s³Randomvibration
Frequency range 2 Hz to 9 Hz 9 Hz to 200
Hz
200 Hz to 500
Hz
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Item Sub-Item Range
Impact response
spectrum II≤ 300 m/s²Unsteady
impact
Static payload ≤ 10 kPa
Note:
Impact response spectrum: refers to the maximum acceleration response curve generated by
the equipment under specified impact excitation. Impact response spectrum II means that the
duration of semi-sine impact response spectrum is 6 ms.
Static payload: refers to the capability of the equipment in package to bear the pressure from
the top in normal pile-up method.
4.6.3 Work Environment
Climatic Environment
Table 4-14 and Table 4-15 list the climatic requirements for the operation of the APManager.
Table 4-14 Temperature and humidity requirements for the operation of the AP Manager
Temperature Relative Humidity
Normal Safe Normal Safe
15°C to 30°C 0°C to 40°C 20% to 80% 20% to 90%
Note:
The values are measured 1.5 m above the floor and 0.4 m in front of the equipment, withoutprotective panels in front of or behind the cabinet.
Safe operation means that continuous operation should not exceed 48 hours or accumulatedoperation should not exceed 15 days in a year.
Table 4-15 Other climatic requirements for the operation of the AP Manager
Item Range
Altitude ≤ 4,000 m
Air pressure 70 kPa to 106 kPa
Temperature change rate ≤ 3°C/min
Solar radiation ≤ 700 W/m²
Heat radiation ≤ 600 W/m²
Wind speed ≤ 1 m/s
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Biological Requirements
Ensure that the place for storing the AP Manager is free of:
Fungus or mildew
Rodents such as rats
Air Purity Requirements
The air must be free of explosive, conductive, magnetic, conductive, or corrosive dust.
The density of physically active materials must comply with the requirements listed inTable 4-16.
Table 4-16 Requirements for the density of physically active materials
Physically Active Material Unit Density
Dust particles Particles/m³ ≤ 3 x 104
Ensure that the dust on thedesktop is not visible.
Note:
Dust particles: diameter ≥ 5 µm
The density of chemically active materials must comply with the requirements listed in
Table 4-17.
Table 4-17 Requirements for the density of chemically active materials
Chemically ActiveMaterial
Unit Density
SO2 mg/m³ ≤ 0.20
H2S mg/m³ ≤ 0.006
NH3 mg/m³ ≤ 0.05
Cl2 mg/m³ ≤ 0.01
Mechanical Stress RequirementsTable 4-18 lists the mechanical stress that the AP Manager can endure during its
operation.
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Table 4-18 Work requirements regarding mechanical stress
Item Sub-Item Range
Offset ≤ 3.5 mm –
Accelerated speed – ≤ 10.0 m/s²
Sinusoidal
vibration
Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz
Impact response spectrum II ≤ 100 m/s²Unsteady impact
Static payload 0
Note:
Impact response spectrum: refers to the maximum acceleration response curve generated by the
equipment under specified impact excitation. Impact response spectrum II means that theduration of semi-sine impact response spectrum is 6 ms.
Static payload: refers to the capability of the equipment to bear the pressure from the top when
it is packed in the normal pile-up method.
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5 Acronyms and Abbreviations
A
AAA Authorization, Authentication and Accounting
AC Alternating Current
AP Access Point
ATAE Advanced Telecommunications Application Environment
C
CPU Central Processing Unit
D
DC Direct Current
E
EMC Electromagnetic Compatibility
ETS European Telecommunication Standards
ETSI European Telecommunications Standards Institute
G
GHz Gigahertz
I
IEC International Electrotechnical Commission
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M
MTBF Mean Time Between Failures
MTTR Mean Time To Repair
P
PC Personal Computer
X
XML Extensible Markup Language