Download - DBS3800 Product Description(V100_08)
DBS3800
V100
Product Description
Issue 08
Date 2009-03-31
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Contents
About This Document.....................................................................................................................1
1 Changes in the DBS3800 Product Description.....................................................................1-1
2 DBS3800 Product Family..........................................................................................................2-1
3 Introduction to the DBS3800....................................................................................................3-13.1 System Architecture of the DBS3800.............................................................................................................3-23.2 Logical Structure of the DBS3800..................................................................................................................3-2
3.2.1 Logical Structure of the BBU3806.........................................................................................................3-33.2.2 Logical Structure of the BBU3806C......................................................................................................3-43.2.3 Logical Structure of the RRU.................................................................................................................3-5
3.3 Software Structure of the DBS3800................................................................................................................3-7
4 Topologies of the DBS3800......................................................................................................4-14.1 Network Topologies of the BBU....................................................................................................................4-2
4.1.1 Star Topology ........................................................................................................................................4-24.1.2 Chain Topology .....................................................................................................................................4-34.1.3 Tree Topology .......................................................................................................................................4-4
4.2 Topologies of the RRU...................................................................................................................................4-5
5 Clock Synchronization Modes of the DBS3800...................................................................5-1
6 Configurations of the DBS3800...............................................................................................6-1
7 Operation and Maintenance of the DBS3800.......................................................................7-17.1 OM Modes of the DBS3800............................................................................................................................7-27.2 OM Functions of the DBS3800.......................................................................................................................7-3
8 DBS3800 Specifications ............................................................................................................8-18.1 Capacity Specifications of the DBS3800........................................................................................................8-28.2 RF Specifications of the DBS3800.................................................................................................................8-38.3 Engineering Specifications for the DBS3800.................................................................................................8-5
8.3.1 Engineering Specifications of the BBU3806.........................................................................................8-58.3.2 Engineering Specifications of the BBU3806C.......................................................................................8-68.3.3 Engineering Specifications for the RRU3801C.....................................................................................8-78.3.4 Engineering Specifications of the RRU3804.........................................................................................8-8
8.4 Surge Protection Specifications for Ports on the DBS3800............................................................................8-9
DBS3800Product Description Contents
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8.5 Ports on the DBS3800...................................................................................................................................8-108.5.1 Ports on the BBU3806..........................................................................................................................8-118.5.2 Ports on the BBU3806C.......................................................................................................................8-138.5.3 Ports on the RRU3801C.......................................................................................................................8-148.5.4 Ports on the RRU3804..........................................................................................................................8-16
8.6 Compliance Standards of the DBS3800........................................................................................................8-178.7 Environment Conditions of the DBS3800....................................................................................................8-18
8.7.1 Working Environment Requirements of the DBS3800........................................................................8-188.7.2 Transportation Requirements of the DBS3800....................................................................................8-218.7.3 Storage Requirements of the DBS3800...............................................................................................8-24
Index.................................................................................................................................................i-1
ContentsDBS3800
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Figures
Figure 2-1 Function modules of the DBS3800....................................................................................................2-1Figure 3-1 System architecture of the DBS3800 .................................................................................................3-2Figure 3-2 Logical structure of the BBU3806......................................................................................................3-3Figure 3-3 Logical structure of the BBU3806C...................................................................................................3-4Figure 3-4 Logical structure of the RRU..............................................................................................................3-6Figure 3-5 Software structure of the DBS3800....................................................................................................3-7Figure 4-1 Typical topologies between the RNC and the BBUs.........................................................................4-2Figure 4-2 Star topology ......................................................................................................................................4-3Figure 4-3 Chain topology ..................................................................................................................................4-4Figure 4-4 Tree topology .....................................................................................................................................4-4Figure 4-5 Typical topologies between the BBU and the RRU3801Cs...............................................................4-5Figure 7-1 OM subsystem of the NodeB..............................................................................................................7-2
DBS3800Product Description Figures
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Tables
Table 6-1 Typical configurations of the BBU3806 and the RRU3804................................................................6-1Table 6-2 Typical configurations of the BBU3806 and the RRU3801C.............................................................6-2Table 8-1 Capacity of the BBU3806....................................................................................................................8-2Table 8-2 Capacity of the BBU3806 with the EBBC...........................................................................................8-2Table 8-3 Capacity of the BBU3806C.................................................................................................................8-2Table 8-4 Capacity of the BBU3806C with the EBBM.......................................................................................8-2Table 8-5 Capacity of the RRU3801C.................................................................................................................8-3Table 8-6 Capacity of the RRU3804....................................................................................................................8-3Table 8-7 Working frequency bands of the DBS3800.........................................................................................8-3Table 8-8 Output power of each sector configured with a single RRU3801C.....................................................8-4Table 8-9 Output power of each sector configured with a single RRU3804........................................................8-4Table 8-10 Receiver sensitivity (configured with RRU3801C, band I)...............................................................8-4Table 8-11 Receiver sensitivity (configured with RRU3804, band I)..................................................................8-4Table 8-12 Receiver sensitivity (configured with RRU3804, band Ⅱ/Ⅴ/Ⅵ).....................................................8-5Table 8-13 Receiver sensitivity (configured with RRU3801C, other bands).......................................................8-5Table 8-14 Power input to the BBU3806.............................................................................................................8-6Table 8-15 Reliability of the BBU3806...............................................................................................................8-6Table 8-16 Power input to the BBU3806C..........................................................................................................8-6Table 8-17 Power input to the RRU3801C..........................................................................................................8-7Table 8-18 Reliability specifications of the RRU3801C......................................................................................8-8Table 8-19 Power input to the RRU3804.............................................................................................................8-8Table 8-20 Reliability specifications of the RRU3804........................................................................................8-8Table 8-21 Power supply port on the BBU3806................................................................................................8-11Table 8-22 Transmission ports on the BBU3806...............................................................................................8-11Table 8-23 Alarm ports on the BBU3806..........................................................................................................8-12Table 8-24 Specifications of the alarm ports on the BBU3806..........................................................................8-12Table 8-25 Other ports on the BBU3806............................................................................................................8-12Table 8-26 Power supply ports on the BBU3806C............................................................................................8-13Table 8-27 Transmission ports on the BBU3806C............................................................................................8-13Table 8-28 Alarm ports on the BBU3806C........................................................................................................8-14Table 8-29 Specifications for the alarm ports on the BBU3806C......................................................................8-14Table 8-30 Other ports on the BBU3806C.........................................................................................................8-14Table 8-31 Power supply port on the RRU3801C..............................................................................................8-15
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Table 8-32 Transmission ports on the RRU3801C............................................................................................8-15Table 8-33 Alarm port on the RRU3801C.........................................................................................................8-15Table 8-34 Specifications for the alarm port on the RRU3801C.......................................................................8-15Table 8-35 Other ports on the RRU3801C.........................................................................................................8-15Table 8-36 Power supply port on the RRU3804................................................................................................8-16Table 8-37 Transmission ports on the RRU3804...............................................................................................8-16Table 8-38 Alarm port on the RRU3804............................................................................................................8-16Table 8-39 Specifications of the alarm port on the RRU3804...........................................................................8-16Table 8-40 Other ports on the RRU3804............................................................................................................8-17Table 8-41 Climatic requirements......................................................................................................................8-18Table 8-42 Requirements for the density of physically active materials............................................................8-20Table 8-43 Requirements for the density of chemically active materials..........................................................8-20Table 8-44 Mechanical stress requirements.......................................................................................................8-20Table 8-45 Climatic requirements......................................................................................................................8-21Table 8-46 Requirements for the density of physically active materials............................................................8-22Table 8-47 Requirements for the density of chemically active materials..........................................................8-22Table 8-48 Mechanical stress requirements.......................................................................................................8-23Table 8-49 Climatic requirements......................................................................................................................8-24Table 8-50 Requirements for the density of physically active materials............................................................8-25Table 8-51 Requirements for the density of chemically active materials..........................................................8-25Table 8-52 Mechanical stress requirements.......................................................................................................8-26
TablesDBS3800
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About This Document
PurposeThis document describes the software and hardware structure, subsystems, configuration types,clock synchronization, and topology of the DBS3800. This document also lists the technicalspecifications of the DBS3800 such as the capacity specifications, RF specifications,engineering specifications, surge protection specifications, and physical interface specifications.
Product VersionThe following table lists the product version related to this document.
Product Name Product Version
DBS3800 V100R008
V100R009
V100R010
V100R011
Intended AudienceThis document is intended for:
l Network planners
l Field engineers
l System engineers
Change HistoryFor changes in the document, refer to 1 Changes in the DBS3800 Product Description.
Organization
1 Changes in the DBS3800 Product Description
This describes the changes in the DBS3800 Product Description.
2 DBS3800 Product Family
This describes the function modules and auxiliary facilities in the DBS3800 product family.
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3 Introduction to the DBS3800
The DBS3800 is developed by Huawei Technologies Co., Ltd and is a distributed NodeB incompliance with the protocols of 3GPP R99/R4/R5/R6 FDD.
4 Topologies of the DBS3800
This describes the topologies of the BBU and RRU.
5 Clock Synchronization Modes of the DBS3800
The DBS3800 supports five clock synchronization modes: line clock, GPS clock, BITS clock,IP clock, and internal clock.
6 Configurations of the DBS3800
The DBS3800 supports omni-directional, two-sector, and three-sector configurations. Theoperator chooses different configurations based on actual conditions such as locations and thenumber of users.
7 Operation and Maintenance of the DBS3800
The software, hardware, and configuration of the DBS3800 is managed, monitored, andmaintained through the DBS3800 Operation and Maintenance (OM). Various modes andplatforms are available for the DBS3800 OM and meet different maintenance requirements.
8 DBS3800 Specifications
This part describes the specifications for the DBS3800 such as capacity specifications, RFspecifications, engineering specifications, surge protection specifications, physical interfacespecifications, compliance standards, and environment conditions.
ConventionsSymbol 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 notavoided,will result in death or serious injury.
Indicates a hazard with a medium or low level of risk, whichif not avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation, which if notavoided,could result in equipment damage, data loss,performance degradation, or unexpected results.
Indicates a tip that may help you solve a problem or savetime.
Provides additional information to emphasize or supplementimportant points of the main text.
General Conventions
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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 inboldface. For example, log in as user root.
Italic Book titles are in italics.
Courier New Examples of information displayed on the screen are inCourier New.
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 byvertical bars. One item is selected.
[ x | y | ... ] Optional items are grouped in brackets and separated byvertical bars. One item is selected or no item is selected.
{ x | y | ... }* Optional items are grouped in braces and separated byvertical bars. A minimum of one item or a maximum of allitems can be selected.
[ x | y | ... ]* Optional items are grouped in brackets and separated byvertical 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 titlesare 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.
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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 meansthe two keys should be pressed in turn.
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 movingthe pointer.
Double-click Press the primary mouse button twice continuously andquickly without moving the pointer.
Drag Press and hold the primary mouse button and move thepointer to a certain position.
About This DocumentDBS3800
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Issue 08 (2009-03-31)
1 Changes in the DBS3800 ProductDescription
This describes the changes in the DBS3800 Product Description.
08 (2009-03-31)
This is the seventh commercial release.
07 (2009-01-23)
This is the sixth commercial release.
Compared with issue 06 (2008-10-15), the testing problems are solved.
06 (2008-10-15)
This is the fifth commercial release.
Compared with issue 05 (2008-03-17), this issue incorporates the following changes:
Topic Change Description
8.1 Capacity Specifications of the DBS3800 The capacity specifications of the DBS3800are modified.
8.3.2 Engineering Specifications of theBBU3806C
The engineering specifications of theBBU3806C are modified.
05 (2008-03-17)
This is the fourth commercial release.
Compared with issue 04 (2008-01-18), this issue incorporates the following changes:
Topic Change Description
8.1 Capacity Specifications of the DBS3800 The capacity specifications of the DBS3800are modified.
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Topic Change Description
8.2 RF Specifications of the DBS3800 The RF specifications of the DBS3800 aremodified.
04 (2008-01-18)This is the third commercial release.
Compared with issue 03 (2008-01-15), this issue incorporates the following changes:
Topic Change Description
2 DBS3800 Product Family A function module, RRU3804, is added to theDBS3800 product family.
03 (2008-01-15)This is the second commercial release.
Compared with issue 02 (2007-09-30), this issue incorporates the following changes:
Topic Change Description
8.7.1 Working EnvironmentRequirements of the DBS3800
The Climatic requirements for the operationof the DBS3800 are modified.
02 (2007-09-30)This is the first commercial release.
01 (2007-08-25)This is the field trial release.
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2 DBS3800 Product Family
This describes the function modules and auxiliary facilities in the DBS3800 product family.
Function Modules of the DBS3800The BBU3806, BBU3806C, RRU3801C, and RRU3804 are referred to as the function modulesof the DBS3800.
Figure 2-1 Function modules of the DBS3800
FunctionModule
Description
BBU3806 Indoor baseband unit that processes baseband signals
BBU3806C Outdoor baseband unit that processes baseband signals
RRU3801C Outdoor remote radio unit. It is responsible for signal processing andtransmission between the antenna system and the BBU.
RRU3804 Outdoor remote radio unit. It is responsible for signal processing andtransmission between the antenna system and the BBU.
The BBU3806, BBU3806C, RRU3801C, and RRU3804 can be combined into a BTS3803 orBTS3803C.
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l BTS3803: consists of one BBU3806, one RRU3801C or RRU3804, and the power system.It processes RF and baseband signals and applies to indoor environment.
l BTS3803C: consists of one BBU3806C and one to three RRU3801Cs or RRU3804s. Itprocesses RF and baseband signals and applies to outdoor environment.
Auxiliary Facilities of the DBS3800AuxiliaryFacility
Description
APM30 Auxiliary power backup system for outdoor application. The APM30provides the following functions:l -48 V DC power output
l Temperature control
l 2 U or 7 U space for your devices, depending on the configuration ofbatteries
For detailed functions of the APM30, refer to the APM30 User Guide.
APM100 Auxiliary power backup system for outdoor application. The APM100provides the following functions:l -48 V DC power output
l A maximum of 60 A output
l 4 U space for your devices
For detailed functions of the APM100, refer to the APM100 UserGuide.
AFB Auxiliary facility box for outdoor application. The AFB provides thefollowing functions:l Four AC power outputs and four DC power outputs
l AC surge protection
l Temperature control
l Alarm reporting
l 5 U space for your devices
For detailed functions of the AFB, refer to the AFB User Guide.
OFB Outdoor facility box for DC power distribution and transmission. TheOFB provides the following functions:l 11 U space for your devices
l Heat dissipation
l Alarm reporting
For detailed functions of the OFB, refer to the OFB User Guide.
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AuxiliaryFacility
Description
SPD40R Outdoor AC surge protection device. The SPD40R provides thefollowing functions:l AC surge protection
l Four AC power inputs
l Remote fault alarm reporting
l Local fault alarm reporting
For detailed functions of the SPD40R, refer to the SPD40R UserGuide.
DPD32-1-6 Indoor facility for DC power distribution. The DPD32-1-6 provides thefollowing functions:l One DC power input at a maximum current of 32 A
l Six DC power outputs
For detailed functions of the DPD32-1-6, refer to the DPD32-1-6 UserGuide.
EMUA Environment monitoring unit. The EMUA provides the followingfunctions:l Environment monitoring
l Intrusion monitoring
l Power distribution monitoring
For detailed functions of the EMUA, refer to the EMUA User Guide.
Surge ProtectionBox for Coaxial(SPBC)
A small box for indoor application, which provides surge protection forthe coaxial cables of the BBU3806.For detailed functions of the SPBC, refer to SPBC.
Surge ProtectionBox for Twisted-Pair (SPBT)
The surge protection unit in the SPBT is optional.l The SPBT without the surge protection unit works as a Digital
Distribution Frame (DDF).l The SPBT with the surge protection unit provides surge protection for
twisted pair cables.For detailed functions of the SPBT, refer to SPBT.
Signal LightningProtection Unit(SLPU)
The SLPU protects the E1/T1 signals and Ethernet signals over theBBU3806 from lightning surge.For detailed functions of the SLPU, refer to SLPU.
DDF The DDF is used for the E1/T1 cable connections between the BBU3806and the transmission device. According to installation positions, the DDFfalls into two types, namely external DDF and built-in DDF.For detailed functions of the DDF, refer to Built-in DDF.
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AuxiliaryFacility
Description
Indoorcentralizedmounting rack
The indoor centralized mounting rack provides the following functions:l 10 U space for 19-inch devices
l Space for three RRU3801Cs or RRU3804s
For detailed functions of the indoor centralized mounting rack, refer tothe Indoor Centralized Mounting Rack Installation Guide.
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3 Introduction to the DBS3800
About This Chapter
The DBS3800 is developed by Huawei Technologies Co., Ltd and is a distributed NodeB incompliance with the protocols of 3GPP R99/R4/R5/R6 FDD.
3.1 System Architecture of the DBS3800The function modules in the DBS3800 system enable different WCDMA coverage solutions tomeet the requirements in different scenarios.
3.2 Logical Structure of the DBS3800This describes the logical structure of the BBU3806, BBU3806C, and RRU3801C.
3.3 Software Structure of the DBS3800The DBS3800 software consists of the platform software, signaling protocol software, operationand maintenance software (OM software), and data center. The latter three are applicationsoftware while the platform software serves as a support for the others.
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3.1 System Architecture of the DBS3800The function modules in the DBS3800 system enable different WCDMA coverage solutions tomeet the requirements in different scenarios.
Figure 3-1 shows the system architecture of the DBS3800 by taking BBU3806 as an example.
Figure 3-1 System architecture of the DBS3800
l Optical cables are used to connect the BBU3806/BBU3806C to the RRU3801C.
l A DBS3800 system can be maintained on the Local Maintenance Terminal (LMT) throughthe BBU3806/BBU3806C.
l The antenna system receives uplink (UL) signals and transmits downlink (DL) signals.
3.2 Logical Structure of the DBS3800This describes the logical structure of the BBU3806, BBU3806C, and RRU3801C.
3.2.1 Logical Structure of the BBU3806The BBU3806 consists of the transport subsystem, baseband subsystem, control subsystem, andinterface module.
3.2.2 Logical Structure of the BBU3806CThe BBU3806C consists of the transport subsystem, baseband subsystem, control subsystem,and interface module.
3.2.3 Logical Structure of the RRUThe RRU consists of the interface module, TRX, Power Amplifier (PA), duplexer, Low NoiseAmplifier (LNA), and extension interface.
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3.2.1 Logical Structure of the BBU3806The BBU3806 consists of the transport subsystem, baseband subsystem, control subsystem, andinterface module.
Figure 3-2 shows the logical structure of the BBU3806.
Figure 3-2 Logical structure of the BBU3806
Transport SubsystemThe transport subsystem performs the following functions:l Providing physical interfaces between the BBU3806 and the RNC for data communication
l Providing OM channels between the BBU3806 and the LMT or between the BBU3806 andthe M2000
Baseband SubsystemThe baseband subsystem processes uplink and downlink baseband data. The functions of thebaseband subsystem are performed by the following modules:l Uplink baseband data processing module: consists of the demodulation unit and the
decoding unit. In this module, uplink baseband data is processed into despreading softdecision symbols after access channel searching, access channel demodulation, anddedicated channel demodulation. The symbols are then sent to the RNC through thetransport subsystem after decoding and Frame Protocol (FP) processing.
l Downlink baseband data processing module: consists of the modulation unit and theencoding unit. The module receives the service data from the transport subsystem, andimplements FP processing, encoding, transport channel mapping, physical channelgenerating, framing, spreading, modulation, and power control combination. Then the datais finally sent to the interface module.
Control SubsystemThe control subsystem manages the entire distributed NodeB. The control subsystem performsOM, processes signaling, and provides the system clock.
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l The OM module performs functions such as equipment management, configurationmanagement, alarm management, software management, and commissioning management.
l The signaling processor performs functions such as NBAP signaling processing, ALCAPprocessing, SCTP processing, and logical resource management.
l The clock module provides the system clock for the NodeB. The reference sources of thesystem clock are the Iub phase-lock line clock (obtained from the E1, optical port, or FE),the GPS clock, and the external clock (for instance, the BITS clock). The versions laterthan V100R009 support the function of extracting the clock from the FE.
Interface Module
The interface module performs the following functions:l Each CPRI port of the BBU3806 adopts the Enhanced Small Form-Factor Pluggable
(ESFP) optical ports, and transports the uplink and downlink baseband data of the RRU/pRRU3801/RHUB3808.
l Each BBU3806 provides an EIa port to share synchronization data, baseband data, powercontrol data, and transmission data between BBU3806s.
3.2.2 Logical Structure of the BBU3806CThe BBU3806C consists of the transport subsystem, baseband subsystem, control subsystem,and interface module.
Figure 3-3 shows the logical structure of the BBU3806C.
Figure 3-3 Logical structure of the BBU3806C
Transport Subsystem
The functions of the transport subsystem are as follows:l Providing physical interfaces between the BBU3806C and the RNC for data
communication
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l Providing OM channels between the BBU3806C and the LMT or between the BBU3806Cand the M2000
Baseband SubsystemThe baseband subsystem processes uplink and downlink baseband data. The functions of thebaseband subsystem are performed by the following modules:l Uplink baseband data processing module: consists of the demodulation unit and the
decoding unit. In this module, uplink baseband data is processed into despreading softdecision symbols after access channel searching, access channel demodulation, anddedicated channel demodulation. The symbols are then sent to the RNC through thetransport subsystem after decoding and Frame Protocol (FP) processing.
l Downlink baseband data processing module: consists of the modulation unit and the codingunit. The module receives the service data from the transport subsystem, and implementsFP processing, encoding, transport channel mapping, physical channel generating, framing,spreading, modulation, and power control combination. Then the data are finally sent tothe interface module.
Control SubsystemThe control subsystem manages the entire distributed NodeB. The subsystem performs OM,processes signaling, and provides the system clock.l The OM module has functions such as equipment management, configuration management,
alarm management, software management, and commissioning management.l The signaling processor has functions such as NBAP signaling processing, ALCAP
processing, SCTP processing, and logical resource management.l The clock module provides the system clock for the NodeB. The reference sources of the
system clock are: the Iub phase-lock line clock (obtained from the E1 link, optical port, orFE link), and the GPS clock. For all versions later than the V100R009, the function ofextracting the clock information from the FE link is supported.
Interface ModuleEach CPRI port of the BBU3806C adopts the Enhanced Small Form-Factor Pluggable (ESFP)connector, and transports the uplink and downlink baseband data of the RRU.
3.2.3 Logical Structure of the RRUThe RRU consists of the interface module, TRX, Power Amplifier (PA), duplexer, Low NoiseAmplifier (LNA), and extension interface.
Figure 3-4 shows the logical structure of the RRU.
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Figure 3-4 Logical structure of the RRU
High Speed Interface Module
The functions of the high speed interface module are as follows:
l Receiving the downlink baseband data from the upper-level equipment such as a BBU ora macro NodeB
l Transmitting the uplink baseband data to the upper-level equipment such as a BBU or amacro NodeB and forwarding data of the cascaded RRU
TRX
The TRX has two uplink RX channels and one downlink TX channel. Each channel supportstwo carriers.
The functions of uplink RX channels are as follows:
l Down-conversion of the RX signals to IF signals
l Amplification of the IF signals
l Analog-to-digital conversion
l Digital down-conversion
l Matched filtering
l Digital Automatic Gain Control (DAGC)
The functions of the downlink TX channel are as follows:
l Shaping and filtering of downlink spreading signals
l Digital-to-analog conversion
l Up-conversion of RF signals to the transmitting band
PA
The PA amplifies RF signals of low power. The RF signals are from the RTRX.
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Duplexer
The functions of the duplexer are as follows:
l Multiplexing RX signals and TX signals. This enables RX signals and TX signals to sharethe same antenna channel.
l Filtering RX signals and TX signals.
LNA
The LNA amplifies the signals received from antennas.
3.3 Software Structure of the DBS3800The DBS3800 software consists of the platform software, signaling protocol software, operationand maintenance software (OM software), and data center. The latter three are applicationsoftware while the platform software serves as a support for the others.
Figure 3-5 shows the software structure of the DBS3800.
Figure 3-5 Software structure of the DBS3800
Platform Software
The platform software provides the support for the signaling protocol software, OM software,and data center. The functions of the platform software are as follows:
l Timing management
l Task management
l Memory management
l Module management
l Managing the loading and running of the application software
l Providing message forwarding mechanisms between modules
l Tracing massages between modules for troubleshooting
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Signaling Protocol SoftwareThe functions of the signaling protocol software are as follows:l Processing the radio network layer protocol: The radio network layer protocol mainly
performs functions such as configuring the signaling data, processing the NBAP protocol,processing the RRC protocol over BCH, processing the outer loop power control frame andwireless parameter update frame in the FP protocol, mapping and managing the internalphysical resources and logical resources of the NodeB.
l Processing the transport network layer protocol: The transport network layer protocolmainly performs transport data configuration, ALCAP processing, and SAAL processing.
l Managing the internal logical resources of the NodeB (for example, cells and channels)and the mapping between physical resources and logical resources.
OM SoftwareThe OM software performs OM for the NodeB by working with the LMT or M2000. Thefunctions of the OM software are as follows:l Equipment management
l Data configuration
l Performance management
l Commissioning management
l Alarm management
l Software management
l Tracing management
l Security management
l Backup management
l Log management
Data CenterThe data center stores the configuration data of each module in XML format.
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4 Topologies of the DBS3800
About This Chapter
This describes the topologies of the BBU and RRU.
4.1 Network Topologies of the BBUWhen ATM transport is applied, multiple topologies such as star, chain, and tree are supportedbetween the RNC and the BBUs. When IP transport is applied, the BBU supports the startopology.
4.2 Topologies of the RRUMultiple topologies such as star, chain, and ring are supported between the BBU andRRU3801Cs.
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4.1 Network Topologies of the BBUWhen ATM transport is applied, multiple topologies such as star, chain, and tree are supportedbetween the RNC and the BBUs. When IP transport is applied, the BBU supports the startopology.
Figure 4-1 shows the typical topologies between the RNC and the BBUs.
Figure 4-1 Typical topologies between the RNC and the BBUs
NOTE
l The previous figure takes BBU3806 as an example.
l In the chain and tree topologies, the BBU3806 can support up to five levels of cascading.
4.1.1 Star TopologyAs the most commonly used topology, the star topology applies to most areas, especially todensely populated areas.
4.1.2 Chain TopologyThe chain topology applies to the belt-shaped and sparsely populated areas, such as highwaysand railways.
4.1.3 Tree TopologyThe tree topology applies to complicated networks and sites such as a large area withconcentrated hot spots.
4.1.1 Star TopologyAs the most commonly used topology, the star topology applies to most areas, especially todensely populated areas.
Figure 4-2 shows this topology.
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Figure 4-2 Star topology
Advantages:
l The NodeB is directly connected to the RNC. Therefore, the star topology featuressimplicity, convenience in maintenance, engineering, and capacity expansion.
l Direct data transmission is built between the NodeB and RNC and signals travel throughfewer nodes, which gives higher transmission reliability.
Disadvantage: Compared with other topologies, the star topology requires more transmissionresources.
4.1.2 Chain TopologyThe chain topology applies to the belt-shaped and sparsely populated areas, such as highwaysand railways.
Figure 4-3 shows this topology.
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Figure 4-3 Chain topology
Advantage: The chain topology can reduce costs in transmission equipment, engineering,construction, and transmission link lease.
Disadvantages:
l Signals travel through many nodes, so the transmission reliability is low.
l Faults in the upper-level NodeB may affect the lower-level NodeB(s).
l The number of levels in the chain topology cannot exceed five.
4.1.3 Tree TopologyThe tree topology applies to complicated networks and sites such as a large area withconcentrated hot spots.
Figure 4-4 shows this topology.
Figure 4-4 Tree topology
Advantage: The tree topology requires fewer transmission links than star topology.
Disadvantages:
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l Signals travel through many nodes, which causes low transmission reliability andconstruction and maintenance difficulties.
l Faults in the upper-level NodeB may affect the lower-level NodeB(s).
l Capacity expansion is difficult because it may involve major modification to the networkarchitecture.
l The number of levels in the tree topology cannot exceed five.
4.2 Topologies of the RRUMultiple topologies such as star, chain, and ring are supported between the BBU andRRU3801Cs.
Figure 4-5 shows the typical topologies between the BBU and the RRU3801C.
Figure 4-5 Typical topologies between the BBU and the RRU3801Cs
NOTE
l The previous figure takes BBU3806 as an example.
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5 Clock Synchronization Modes of theDBS3800
The DBS3800 supports five clock synchronization modes: line clock, GPS clock, BITS clock,IP clock, and internal clock.
Line ClockThe BBU directly extracts clock signals from the Iub interface such as the E1/FE interface. Then,the BBU outputs the precise 2.048 MHz and 8 kHz clocks after frequency dividing, phaselocking, and phase adjusting. The 2.048 MHz and 8 kHz clocks are used for framesynchronization and bit synchronization in the DBS3800.
NOTE
The BBU3806 V100R009 and later directly extracts the clock from the E1/FE port.The BBU3806 V100R008 and before can not directly extracts the clock from the FE port.
GPS ClockThe BBU provides the input port for the GPS clock and obtains the clock through the externalGPS device. This enables the BBU to receive GPS clock signals when the upper-level clock isunstable or unavailable.
BITS ClockThe BBU3806 supports the BITS clock mode by providing a port for the 2.048 MHz BITS clock.
NOTE
The BBU3806C does not support the BITS clock mode.
IP ClockWithout requirements for additional hardware, the IP clock is supported through softwareupgrade, providing IP transport with cost-effective clock solutions.
Internal ClockThe clock module of the BBU uses high-performance Oven Controlled Crystal Oscillator(OCXO) and adopts advanced algorithms and software phase lock technologies. The
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performance of the BBU clock system reaches and exceeds the stratum-3 clock standard andcomplies with the related protocols in ITU-T G.812 and G.823. In the absence of external clocks,the internal clock can ensure that the NodeB works normally for at least 90 days and its precisioncan be higher than 0.05 ppm.
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6 Configurations of the DBS3800
The DBS3800 supports omni-directional, two-sector, and three-sector configurations. Theoperator chooses different configurations based on actual conditions such as locations and thenumber of users.
The DBS3800 supports the following typical configurations:l Omni-directional, 1 x 2, 2 x 1, 3 x 1, 3 x 2, 3 x 3, 3 x 4, 6 x 1, and 6 x 2.
l Six cells. The DBS3800 supports a maximum of 12 cells if the EBBC is configured.
NOTE
N x M = sector x carrier. For example, 3 x 1 indicates that each of the three sectors has one carrier.
Table 6-1 lists the typical configurations of the BBU3806 and the RRU3804.
Table 6-1 Typical configurations of the BBU3806 and the RRU3804
Configuration Minimum Number ofBBU3806s
Minimum Number ofRRU3804s
1 x 1 1 1
1 x 2 1 1
1 x 3 1 1
1 x 4 1 BBU3806 with the EBBC 1
2 x 1 1 2
2 x 2 1 BBU3806 with the EBBC 2
2 x 3 1 BBU3806 with the EBBC 2
2 x 4 2 BBU3806s with the EBBCs 2
3 x 1 1 3
3 x 2 1 BBU3806 with the EBBC 3
3 x 3 2 BBU3806s with the EBBCs 3
3 x 4 2 BBU3806s with the EBBCs 3
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Configuration Minimum Number ofBBU3806s
Minimum Number ofRRU3804s
6 x 1 1 BBU3806 with the EBBC 6
6 x 2 2 BBU3806s with the EBBCs 6
NOTEIn four-carrier configurations such as 1 x 4, 2 x 4, and 3 x 4, if the power required for each carrier is 30 W,the minimum number of RRU3804s doubles.
Table 6-2 lists the typical configurations of the BBU3806 and the RRU3801C.
Table 6-2 Typical configurations of the BBU3806 and the RRU3801C
Configuration Minimum Number ofBBU3806s
Minimum Number ofRRU3801Cs
1 x 1 1 1
1 x 2 1 1
1 x 3 1 2
1 x 4 1 BBU3806 with the EBBC 2
2 x 1 1 2
2 x 2 1 BBU3806 with the EBBC 2
2 x 3 1 BBU3806 with the EBBC 4
2 x 4 2 BBU3806s with the EBBCs 4
3 x 1 1 3
3 x 2 1 BBU3806 with the EBBC 3
3 x 3 2 BBU3806s with the EBBCs 6
3 x 4 2 BBU3806s with the EBBCs 6
6 x 1 1 BBU3806 with the EBBC 6
6 x 2 2 BBU3806s with the EBBCs 6
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7 Operation and Maintenance of the DBS3800
About This Chapter
The software, hardware, and configuration of the DBS3800 is managed, monitored, andmaintained through the DBS3800 Operation and Maintenance (OM). Various modes andplatforms are available for the DBS3800 OM and meet different maintenance requirements.
7.1 OM Modes of the DBS3800The DBS3800 supports local maintenance, remote maintenance, and reverse maintenance.
7.2 OM Functions of the DBS3800The DBS3800 provides OM functions such as commissioning management, equipmentmanagement, software management, and alarm management.
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7.1 OM Modes of the DBS3800The DBS3800 supports local maintenance, remote maintenance, and reverse maintenance.
The OM subsystem provides the following three maintenance modes:
l Local maintenance: The NodeB is maintained on the Local Maintenance Terminal (LMT)through the local Ethernet port of the NodeB.
l Remote maintenance: The NodeB is maintained through the IP route provided by the RNC.The maintenance is performed on the M2000 client or the LMT in an Network ManagementSystem (NMS) center or an RNC equipment room.
l Reverse maintenance: Another NodeB is maintained on the LMT through the local Ethernetport of a local NodeB, and the IP route is provided by the RNC.
NOTE
The OM subsystem of the NodeB supports the automatic setup of default maintenance channel. Afterhardware installation, the NodeB can automatically set up a maintenance channel to the RNC on the ATMnetwork. Through this channel, the maintenance personnel can remotely download data and programs tothe NodeB, which enhances the network maintainability.
Figure 7-1 shows the OM subsystem of the NodeB.
Figure 7-1 OM subsystem of the NodeB
The OM subsystem of the NodeB consists of the following components:
l LMT: used to maintain single NodeB.
l M2000: used to maintain multiple NodeBs.
l OM channel: provides channels between the NodeB and the LMT and between the NodeBand the M2000.
l NE: refers to the maintained object.
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7.2 OM Functions of the DBS3800The DBS3800 provides OM functions such as commissioning management, equipmentmanagement, software management, and alarm management.
Commissioning ManagementCommissioning management provides the following functions:
l Equipment performance tests, such as CPU usage test, clock source quality test, and powertest
l Routine tests, such as E1/T1 performance statistics and STM-1 performance statistics
l Service performance tests, such as 141 test, uplink channel scanning, and statistics forservice resource usage
Equipment ManagementEquipment management involves equipment maintenance and data configuration.
l Equipment maintenance provides maintenance of equipment or boards, for example,resetting boards, managing the status of equipment, performing self-check on theequipment, performing an active/standby switchover, and calibrating the clock.
l Data configuration provides configuration, query, and backup of equipment parameters,for example, configuring the parameters of the NodeB clock, algorithm parameters, andRF parameters.
Software ManagementSoftware management provides the following functions:
l Activating the software
l Checking the compatibility of software and hardware versions
l Managing versions, for example, querying hardware and software versions
l Upgrading the software version
Alarm ManagementAlarm management involves equipment alarm management and environment alarmmanagement.
l Equipment alarm managementThe alarm management system detects and reports information about faults in real time.The LMT or M2000 then displays the alarm information and provides appropriate handlingsuggestions.The alarm management system of the M2000 connects to an alarm box through a serialport and supports audible and visual alarms through the LEDs or the alarm box. Themaintenance personnel can subscribe to specific alarms. When related alarms are generated,the alarm information is forwarded to their handsets or pagers of the maintenance personnelso that they can rectify the faults in time.
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l Environment alarm managementEnvironment alarm management is intended for equipment rooms of NodeBs. Typically,the equipment rooms are unmanned and distributed over a vast area. The equipment worksin a relatively adverse environment, and the fires, water immersion, or flood may incur. Tohelp you handle such emergencies, the NodeB provides a complete alarm monitoringsystem.
Alarm management provides the following functions:
l Alarm detecting
l Alarm reporting
l Alarm shielding
l Alarm acknowledgement
l Pre-processing alarms
l Alarm correlation processing
l Alarm processing help
Security ManagementThe operation rights for maintenance personnel are classified into multiple levels when bothNodeB and M2000 are applied. This ensures that the running equipment is free frommisoperation.
Environment MonitoringTo help you handle emergencies for normal operation of the equipment, the NodeB provides acomplete environment monitoring system.
The environment monitoring system provides customized solutions regarding door control,infrared, smoke, water immersion, humidity, and temperature.
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8 DBS3800 Specifications
About This Chapter
This part describes the specifications for the DBS3800 such as capacity specifications, RFspecifications, engineering specifications, surge protection specifications, physical interfacespecifications, compliance standards, and environment conditions.
8.1 Capacity Specifications of the DBS3800The capacity of the BBU3806/BBU3806C is represented by the number of cells and the numberof CEs. The capacity of the RRU3804/RRU3801C is represented by the number of supportedsectors and carriers.
8.2 RF Specifications of the DBS3800The RF specifications of the DBS3800 consist of the working frequency bands, transmitterspecifications, and receiver specifications.
8.3 Engineering Specifications for the DBS3800This describes the engineering specifications for the DBS3800, which consist of the physicaldimensions, weight, power input, and power consumption.
8.4 Surge Protection Specifications for Ports on the DBS3800This describes the surge protection specifications for external ports on the BBU3806,BBU3806C, and RRU3801C.
8.5 Ports on the DBS3800The ports on the DBS3800 consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
8.6 Compliance Standards of the DBS3800The DBS3800 complies with the standards of EMC, acoustic noise, working environment,transportation, storage, and anti-seismic performance.
8.7 Environment Conditions of the DBS3800The environment conditions of the DBS3800 consist of working environment requirements,transportation requirements, and storage requirements.
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8.1 Capacity Specifications of the DBS3800The capacity of the BBU3806/BBU3806C is represented by the number of cells and the numberof CEs. The capacity of the RRU3804/RRU3801C is represented by the number of supportedsectors and carriers.
Capacity of the BBU3806
Table 8-1 Capacity of the BBU3806
Item Capacity
Cell 3
Uplink CE 192
Downlink CE 256
Table 8-2 Capacity of the BBU3806 with the EBBC
Item Capacity
Cell 6
Uplink CE 384
Downlink CE 512
Capacity of the BBU3806C
Table 8-3 Capacity of the BBU3806C
Item Capacity
Cell 3
Uplink CE 128
Downlink CE 256
Table 8-4 Capacity of the BBU3806C with the EBBM
Item Capacity
Cell 6
Uplink CE 320
Downlink CE 512
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Capacity of the RRU3801C
Table 8-5 Capacity of the RRU3801C
Item Capacity
Maximum sectors 1
Maximum carriers 2
Capacity of the RRU3804
Table 8-6 Capacity of the RRU3804
Item Capacity
Maximum sectors 1
Maximum carriers 4
8.2 RF Specifications of the DBS3800The RF specifications of the DBS3800 consist of the working frequency bands, transmitterspecifications, and receiver specifications.
Working Frequency Bands
Table 8-7 Working frequency bands of the DBS3800
RRU Frequency Band ReceivingBand (MHz)
TransmittingBand (MHz)
l RRU3801C
l RRU3804
Band I (2100 MHz) 1920 to 1980 2110 to 2170
l RRU3801C
l RRU3804
Band II (1900 MHz) 1850 to 1910 1930 to 1990
RRU3801C Band III/IX (1800MHz)
1710 to 1785 1805 to 1880
RRU3801C Band IV (1700 MHzand 2100 MHz)
1710 to 1755 2110 to 2155
l RRU3801C
l RRU3804
Band V/VI (850 MHz) 824 to 849 869 to 894
RRU3801C Band VIII (900 MHz) 880 to 915 925 to 960
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Transmitter Specifications
Table 8-8 Output power of each sector configured with a single RRU3801C
Number of Carriers Output Power per Carrier (W) Configuration
Single carrier 40 1 x 1
Two carriers 20 1 x 2
Table 8-9 Output power of each sector configured with a single RRU3804
Number of Carriers Output Power per Carrier (W) Configuration
Single carrier 60 1 x 1
Two carriers 30 (20 per carrier with configuration1001)
1 x 2
Three carriers 20 1 x 3
Four carriers 15 1 x 4
NOTE
The previously mentioned output power refers to the rated output power of each carrier at the TX antennaconnector of the DBS3800.
Receiver SensitivityTable 8-10, Table 8-11,Table 8-12 and Table 8-13 describe receiver sensitivity of theDBS3800.
Table 8-10 Receiver sensitivity (configured with RRU3801C, band I)
RX DiversityMode
Receiver Sensitivity (dBm)1 Receiver Sensitivity (dBm)2
1-way -125.5 -126.2
2-way -128.3 -129.0
Table 8-11 Receiver sensitivity (configured with RRU3804, band I)
RX DiversityMode
Receiver Sensitivity (dBm)1 Receiver Sensitivity (dBm)2
1-way -125.8 -126.5
2-way -128.6 -129.3
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Table 8-12 Receiver sensitivity (configured with RRU3804, band Ⅱ/Ⅴ/Ⅵ)
RX DiversityMode
Receiver Sensitivity (dBm)1 Receiver Sensitivity (dBm)2
1-way -125.3 -126.0
2-way -128.1 -129.1
Table 8-13 Receiver sensitivity (configured with RRU3801C, other bands)
RX DiversityMode
Receiver Sensitivity (dBm)1 Receiver Sensitivity (dBm)2
1-way -125.3 -126.0
2-way -128.1 -128.8
NOTE
l 1: Receiver sensitivity at the antenna connector of the DBS3800 that complies with 3GPP TS 25.104and provides 12.2 kbit/s channels with BER less than 0.001
l 2: Receiver sensitivity (median performance over reception bandwidth) at the antenna connector ofthe DBS3800 that handles 12.2 kbit/s AMR services with BER less than 0.001
8.3 Engineering Specifications for the DBS3800This describes the engineering specifications for the DBS3800, which consist of the physicaldimensions, weight, power input, and power consumption.
8.3.1 Engineering Specifications of the BBU3806This describes the engineering specifications of the BBU3806.
8.3.2 Engineering Specifications of the BBU3806CThis describes the engineering specifications of the BBU3806C.
8.3.3 Engineering Specifications for the RRU3801CThis describes the engineering specifications for the RRU3801C.
8.3.4 Engineering Specifications of the RRU3804This describes the engineering specifications of the RRU3804.
8.3.1 Engineering Specifications of the BBU3806This describes the engineering specifications of the BBU3806.
Dimensions
The dimensions of the BBU3806 are 436 mm x 300 mm x 42 mm (width x depth x height).
Weight
The maximum weight of the BBU3806 is 5 kg.
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Power Input
Table 8-14 Power input to the BBU3806
Rated Voltage Operating Voltage Range
-48 V DC -40 V DC to -60 V DC
+24 V DC +19 V DC to +29 V DC
Power Consumptionl The maximum power consumption of the BBU3806 without the EBBC plugboard is 60 W.
l The maximum power consumption of the BBU3806 with the EBBC plugboard is 90 W.
Reliability
Table 8-15 Reliability of the BBU3806
MTTR(Mean Time ToRepair)
MTBF(Mean Time BetweenFailure)
AVAILABILITY(Availability)
DOWN TIME(Downtime)
One hour 1.13×105 hours 99.9991% 4.7 minutes peryear
8.3.2 Engineering Specifications of the BBU3806CThis describes the engineering specifications of the BBU3806C.
Dimensionsl The dimensions of the BBU3806C (without the mounting bracket and housing) are 340
mm x 135 mm x 480 mm (W x D x H).l The dimensions of the BBU3806C (with the mounting bracket and housing) are 380 mm
x 165 mm x 610 mm (W x D x H).
WeightThe maximum weight of the BBU3806C is 15 kg.
Power Input
Table 8-16 Power input to the BBU3806C
Rated Voltage Operating Voltage Range Remarks
-48 V DC -40 V DC to -60 V DC -
220 V AC 150 V AC to 300 V AC 47 Hz to 63 Hz
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Power Consumptionl If -48 V DC power is used, the maximum power consumption of the BBU3806C is 100 W.
l If 220 V AC power is used, the maximum power consumption of the BBU3806C is 120W.
ReliabilityMTTR(Mean Time ToRepair)
MTBF(Mean TimeBetween Failures)
AVAILABILITYDOWNTIME(Downtime)
One hour 1.13 x 105 hours 99.9991% 4.7 minutesper year
8.3.3 Engineering Specifications for the RRU3801CThis describes the engineering specifications for the RRU3801C.
Physical Dimensionsl The dimensions of the RRU3801C (without the bracket and housing) are 365 mm x 145
mm x 480 mm (W x D x H).l The dimensions of the RRU3801C (with the bracket and housing) are 380 mm x 200 mm
x 610 mm (W x D x H).
Weightl The weight of the RRU3801C without the bracket and housing is 20 kg at most.
l The weight of the RRU3801C with the bracket and housing is 25 kg at most.
Power Input
Table 8-17 Power input to the RRU3801C
Rated Voltage Operating VoltageRange
Remarks
–48 V DC –40 V DC to –60 V DC -
220 V AC 150 V AC to 300 V AC 47 Hz to 63 Hz
Power ConsumptionThe maximum power consumption of the RRU3801C is 240 W.
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Reliability
Table 8-18 Reliability specifications of the RRU3801C
MTTR(Mean Time ToRepair)
MTBF(Mean Time BetweenFailures)
AVAILABILITY
DOWN TIME
One hour 1.13×105hours 99.9991% 4.7 minutes/year
8.3.4 Engineering Specifications of the RRU3804This describes the engineering specifications of the RRU3804.
Dimensions
The dimensions of the RRU3804 (including the housing) are 280 mm x 155 mm x 490 mm (Wx D x H).
Weight
The weight of the module is no more than 15 kg. The weight of the module and its housing isno more than 17 kg.
Power Input
Table 8-19 Power input to the RRU3804
Rated Voltage Operating VoltageRange
Remarks
-48 V DC -37 V DC to -60 V DC -
Power Consumption
The maximum power consumption of the RRU3804 is 280 W.
Reliability
Table 8-20 Reliability specifications of the RRU3804
MTTR(Mean Time ToRepair)
MTBF(Mean Time BetweenFailures)
AVAILABILITY
DOWN TIME
One hour 1.0×105hours 99.9991% 5.28 minutes/year
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8.4 Surge Protection Specifications for Ports on the DBS3800This describes the surge protection specifications for external ports on the BBU3806,BBU3806C, and RRU3801C.
Surge Protection Specifications for the External Ports on the BBU3806Application Surge Protection Mode Surge Current
Power supply Differential mode 2 kA
Common mode 4 kA
E1 Differential mode 250 A
Common mode 250 A
Differential mode (SPBC) 3 kA
Common mode (SPBC) 5 kA
Differential mode (SPBT) 5 kA
Common mode (SPBT) 8 kA
GPS signal input Differential mode (GPS surgeprotector)
8 kA
Common mode (GPS surgeprotector)
20 kA
Dry contact alarms Differential mode 250 A
Common mode 250 A
Surge Protection Specifications for the External Ports on the BBU3806CApplication Surge Protection Mode Surge Current
–48 V DC power supply Differential mode 10 kA
Common mode 15 kA
220 V AC power supply Differential mode 5 kA
Common mode 5 kA
E1 Differential mode 3 kA
Common mode 5 kA
GPS signal input Differential mode (GPS surgeprotector)
8 kA
Common mode (GPS surgeprotector)
20 kA
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Application Surge Protection Mode Surge Current
Dry contact alarms Differential mode 250 A
Common mode 250 A
Surge Protection Specifications for the External Ports on the RRU3801CApplication Surge Protection Mode Surge Current
–48 V DC power supply Differential mode 10 kA
Common mode 15 kA
220 V AC power supply Differential mode 5 kA
Common mode 5 kA
Differential mode (external surgeprotector)
60 kA (maximumdischarge current)
Common mode (external surgeprotector)
60 kA (maximumdischarge current)
RF Differential mode 8 kA
Common mode 5 kA
Dry contact alarms Differential mode 250 A
Common mode 250 A
RET antenna Differential mode 3 kA
Common mode 5 kA
NOTE
l The surge protection specifications are based on the surge waveform of 8/20 μs.
l The surge current, unless otherwise specified as the maximum discharge current, refers to a nominaldischarge current.
8.5 Ports on the DBS3800The ports on the DBS3800 consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
8.5.1 Ports on the BBU3806The ports on the BBU3806 consist of the grounding screw, power supply port, transmission port,alarm port, and other ports.
8.5.2 Ports on the BBU3806CThe ports on the BBU3806C consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
8.5.3 Ports on the RRU3801C
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The ports on the RRU3801C consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
8.5.4 Ports on the RRU3804The ports on the RRU3804 consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
8.5.1 Ports on the BBU3806The ports on the BBU3806 consist of the grounding screw, power supply port, transmission port,alarm port, and other ports.
Grounding ScrewsThe BBU3806 has two grounding screws on the front panel.
Power Supply Port
Table 8-21 Power supply port on the BBU3806
Application Port Type Quantity Connector Type
Power supplyport
–48 V DC or +24 V DCpower port
1 7W2 male connector,which shares the socketwith the RS485 alarm port
Transmission Ports
Table 8-22 Transmission ports on the BBU3806
Application Port Type Quantity Data Rate Connector Type
Iub interface E1 1 (8 E1s) 2.048 Mbit/s DB44 femaleconnector
T1 1 (8 T1s) 1.544 Mbit/s DB44 femaleconnector
Unchannelized STM-1/OC-3 port
2 155 Mbit/s ESFP socket
ChannelizedSTM-1/OC-3port
1 155 Mbit/s ESFP socket
Fast Ethernet 1 100 Mbit/sFull-duplex
RJ45 connector
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Application Port Type Quantity Data Rate Connector Type
Optical interfaceswith theRRU3801C,pRRU3801, andRHUB3808
CPRI 3 1.25 Gbit/s ESFP socket
Inter-BBU3806port
EIa 1 3×1.25 Gbit/s MDR36 connector
EIb 1 3×1.25 Gbit/s MDR36 connector
NOTE
l The channelized STM-1/OC-3 port and unchannelized STM-1/OC-3 ports are provided by the opticalsub-boards.
l The EIa port enables the high speed interconnection between the BBU3806s. Signals transmittedthrough the EIa port consist of three 2-way high speed electrical signals at 1.25 Gbit/s, clock signals,and active/standby switchover signals.
Alarms Ports
Table 8-23 Alarm ports on the BBU3806
Application Port Type Quantity Connector Type
Alarm ports RS485 alarm port 1 7W2 male connector, which sharesthe socket with the power supply port
Dry contact alarmport
1 RJ45 connector, supporting four drycontact alarm signals
Table 8-24 Specifications of the alarm ports on the BBU3806
Specification Parameter
Closed-circuit impedance < 0.2 kilohm
Open-circuit impedance > 51 kilohms
Other Ports
Table 8-25 Other ports on the BBU3806
Application Port Type Quantity Connector Type
GPS signal input - 1 SMA female connector
Clock signal input/output
BITS signal input port 1 SMA female connector
10 MHz clock signaloutput port
1 SMB male connector
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Application Port Type Quantity Connector Type
Testing 8 kHz TransmissionTime Interval (TTI)testing port
1 SMB male connector
Commissioning Serial or Ethernet port 1 RJ45 connector
8.5.2 Ports on the BBU3806CThe ports on the BBU3806C consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
Grounding Ports
The BBU3806C has two grounding bolts at the bottom.
Power Supply Ports
Table 8-26 Power supply ports on the BBU3806C
Application Port Quantity
Connector Type
Power supply ports +220 V AC or –48 VDC power
1 9-pin, round, and waterproof
Transmission Ports
Table 8-27 Transmission ports on the BBU3806C
Application Port Quantity Data Rate Connector Type
Iub interface E1 1 (8 E1s) 2.048 Mbit/s 32-pin, round, andwaterproof
T1 1 (8 T1s) 1.544 Mbit/s 32-pin, round, andwaterproof
Fast Ethernet 1 100 Mbit/sFull-duplex
8-pin, round, andwaterproof
Optical portsbetweenBBU3806Cand RRU
CPRI 3 1.25 Gbit/s ESFP socket
Inter-BBU3806Cport
EIa 1 3×1.25 Gbit/s MDR36 connector
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Alarms Ports
Table 8-28 Alarm ports on the BBU3806C
Application Port Quantity Connector Type
Alarms ports RS485 1 DB15
Four dry contacts 1
Table 8-29 Specifications for the alarm ports on the BBU3806C
Specification Parameter
Closed resistance < 0.2 k ohm
Open resistance >51 k ohm
Other Ports
Table 8-30 Other ports on the BBU3806C
Application Port Quantity
Connector Type
E1 grounding selection Grounding connectionsfor eight coaxial E1s
1 19-pin, round, andwaterproof
GPS signal input – 1 N-type
Clock signal input/output
10 MHz clock signaloutput
1 SMB male
Testing 8 kHz TTI Testing 1 SMB male
Commissioning Serial or Ethernet 1 RJ45
8.5.3 Ports on the RRU3801CThe ports on the RRU3801C consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
Grounding PortsThe RRU3801C has two grounding bolts at the bottom.
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Power Supply Ports
Table 8-31 Power supply port on the RRU3801C
Application Port Quantity
Connector Type
Power supply +220 V AC or –48 VDC power
1 9-pin, round, and waterproof
Transmission Ports
Table 8-32 Transmission ports on the RRU3801C
Port Quantity Data Rate Connector Type
Optical port 2 1.25 Gbit/s ESFP socket
Alarms Ports
Table 8-33 Alarm port on the RRU3801C
Application Port Quantity Connector Type
Alarm Four dry contacts 1 DB15 connector (sharing thesocket with the fan)
Table 8-34 Specifications for the alarm port on the RRU3801C
Item Specification
Closed resistance < 0.2 kilohms
Open resistance > 51 kilohms
Other Ports
Table 8-35 Other ports on the RRU3801C
Application Port Quantity
Connector Type
RET antenna - 1 DB9
RF Main TX/RX 1 DIN, round, and waterproof
RX diversity 1 DIN, round, and waterproof
Interconnectionbetween combinedcabinets
1 DB2W2
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Application Port Quantity
Connector Type
Commissioning Serial 1 RJ11
Ethernet 1 RJ45
8.5.4 Ports on the RRU3804The ports on the RRU3804 consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
Grounding Ports
The RRU3804 has four grounding bolts at the bottom.
Power Supply Ports
Table 8-36 Power supply port on the RRU3804
Application Port Type Quantity
Connector Type
Power supply -48 V DC powersupply
1 OT terminal
Transmission Ports
Table 8-37 Transmission ports on the RRU3804
Port Type Quantity Data Rate Connector Type
Optical port 2 1.25 Gbit/s ESFP socket
Alarm Ports
Table 8-38 Alarm port on the RRU3804
Application Port Type Quantity Connector Type
Alarms 2-channel dry contactalarms, 1-channelRS485 signals
1 DB15
Table 8-39 Specifications of the alarm port on the RRU3804
Item Specification
Closed resistance < 0.2 kilohms
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Item Specification
Open resistance > 51 kilohms
Other Ports
Table 8-40 Other ports on the RRU3804
Application Port Type Quantity
Connector Type
RET antenna - 1 DB9, waterproof
RF Main TX/RX 1 DIN, round, and waterproof
RX diversity 1 DIN, round, and waterproof
Interconnectionbetween combinedmodules
1 2W2
8.6 Compliance Standards of the DBS3800The DBS3800 complies with the standards of EMC, acoustic noise, working environment,transportation, storage, and anti-seismic performance.
EMCThe DBS3800 meets the Electromagnetic Compatibility (EMC) requirements and complies withthe following standards:
l R&TTE Directive 1999/5/EC
l 3GPP TS 25.113 V4.4.0 (2002-12)
l ETSI EN 301489-1 V1.2.1 (2000-08)
l ETSI EN 301908-1 V2.2.1 (2003-10)
Acoustic NoiseThe Sound Power Level (SPL) of acoustic noise generated by indoor telecommunicationequipment should be lower than 72 dBA, which complies with ETS300 753. The SPL of acousticnoise generated by DBS3800 components are as follows:l The declared SPL of a running BBU3806 is 55 dBA.
l There is no fan in the BBU3806C and RRU3801C. Thus, there is no acoustic noise.
Working Environmentl The working environment of the BBU3806 complies with the following standard:
ETSI EN300019-1-3 V2.2.2 (2004-07) Class 3.1 Temperature-controlled locationsl The working environments of the RRU3801C, BBU3806C, and BTS3803C comply with
the following standards:
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– ETSI EN300019-1-4 V2.1.2 (2003-04) Class 4.1 Non-weatherprotected locations
– 3G TS25.141 V3.0.0
TransportationThe transportation of the DBS3800 complies with the following standard:
ETSI EN300019-1-2 V2.1.4 (2003-04) Class 2.3 Public transportation
StorageThe storage of the DBS3800 complies with the following standard:
ETSI EN300019-1-1 V2.1.4(2003-04) Class1.2 Weatherprotected, not temperature-controlledstorage locations
Anti-Seismic Performancel The anti-seismic performance of the BBU3806 complies with the following standard:
IEC 60068-2-57 (1999-11) Environmental testing Part 2-57: Tests - Test Ff: Vibration Time- history method
l The anti-seismic performance of the RRU3801C, BBU3806C, and BTS3803C complieswith the following standard:NEBS GR63 zone4
8.7 Environment Conditions of the DBS3800The environment conditions of the DBS3800 consist of working environment requirements,transportation requirements, and storage requirements.
8.7.1 Working Environment Requirements of the DBS3800This part describes the working environment requirements of the DBS3800.
8.7.2 Transportation Requirements of the DBS3800This part describes the transportation requirements of the DBS3800.
8.7.3 Storage Requirements of the DBS3800This describes the storage requirements of the DBS3800.
8.7.1 Working Environment Requirements of the DBS3800This part describes the working environment requirements of the DBS3800.
Climatic RequirementsTable 8-41 lists the climatic requirements for the working environment of the DBS3800.
Table 8-41 Climatic requirements
Item Specification
Altitude ≤ 4,000 m
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Item Specification
Air pressure 70 kPa to 106 kPa
Temperature l BBU3806:-5℃ to +55℃
l BBU3806C:-40℃ to +50℃
l RRU3801C:– -40℃ to +50℃ (with solar)
– -40℃ to +55℃ (without solar)
l RRU3804:– -40℃ to +50℃ (with solar)
– -40℃ to +55℃ (without solar)
Temperature change rate ≤ 3℃/min
Relative humidity 5% to 100%
Solar radiation Outdoors: ≤ 1,120 W/m2
Indoors: ≤ 700 W/m2
Thermal radiation ≤ 600 W/m2
Wind speed ≤ 67 m/s
Noise Indoor noise pressure level ≤ 60 dBAIndoor sound power ≤ 7.2 belOutdoor noise pressure level ≤ 65 dBAOutdoor sound power in daytime ≤ 6.1 bel; outdoor sound powerat night ≤ 5.6 bel
Dustproof andwaterproof capabilities
Indoors: IP20Outdoors: IP65
Biological Requirements
The working environment of the DBS3800 should meet the following biological requirements:
l The environment is not conducive for the growth of fungus or mildew.
l There are no rodent animals such as rats.
Air Cleanliness Requirements
The working environment of the DBS3800 should meet the following air cleannessrequirements:
l There is no explosive, conductive, magneto-conductive or corrosive dust in the air.
l The density of the physically active materials meets the requirements described in Table8-42.
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Table 8-42 Requirements for the density of physically active materials
Physically ActiveMaterial
Unit Density
Suspended dust mg/m3 ≤ 0.01
Falling dust mg/(m2h) ≤ 10
Sand mg/m3 There is no visible sand.
Note:l Suspended dust: diameter ≤ 75 μm
l Falling dust: 75 μm ≤ diameter ≤ 150 μm
l Sand: 150 μm ≤ diameter ≤ 1,000 μm
l The density of the chemically active materials meets the requirements described in Table8-43.
Table 8-43 Requirements for the density of chemically active materials
Chemically ActiveMaterial
Unit Density
SO2 mg/m3 ≤ 1.50
NH3 mg/m3 ≤ 0.15
Cl2 mg/m3 ≤ 0.30
Mechanical Stress Requirements
Table 8-44 lists the mechanical stress requirements for the working environment of theDBS3800.
Table 8-44 Mechanical stress requirements
Item Sub-item Specification
Sinusoidalvibration(ETSIrequirements)
Offset ≤ 3.5 mm -
Accelerated speed - ≤ 10.0 m/s2
Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz
Sinusoidalvibration(GR63requirements)
Frequency range: 5–100–5 Hz; accelerated speed: 1.0 x g; scanningfrequency: 0.25 oct/min; triaxial test
Unsteady impact Impact responsespectrum II
≤ 100 m/s2
Static payload 0
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Item Sub-item Specification
Anti-seismicrequirements
Earthquake Frequency range: 0.3 Hz to 50 HzZero Period Acceleration (ZPA): 1.5 x g30 s
Note:l Impact response spectrum refers to the maximum acceleration response curve generated
by the equipment under the specified impact excitation. Impact response spectrum II meansthat the duration of semi-sine impact response spectrum is 6 ms.
l Static payload refers to the capability of the equipment in a packing case to bear the pressurefrom the top in normal pile-up method.
8.7.2 Transportation Requirements of the DBS3800This part describes the transportation requirements of the DBS3800.
Climatic Requirements
Table 8-45 lists the climatic requirements for the transportation environment of the DBS3800.
Table 8-45 Climatic requirements
Item Specification
Altitude ≤ 5,000 m
Air pressure 70 kPa to 106 kPa
Temperature –40℃ to +70℃
Temperature change rate ≤ 3℃/min
Relative humidity 5% to 100%
Solar radiation ≤ 1,120 W/m2
Thermal radiation ≤ 600 W/m2
Wind speed ≤ 67 m/s
Waterproofing Requirements
The transportation environment of the DBS3800 should meet the following waterproofingrequirements:
l The packing case is intact.
l The equipment is shaded from the rainwater. Measures are taken to prevent the rainwaterfrom entering the packing case.
l There is no water on the floor of the transportation vehicle.
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Biological Requirements
The transportation environment of the DBS3800 should meet the following biologicalrequirements:
l The environment is not conducive for the growth of fungus or mildew.
l There are no rodent animals such as rats.
Air Cleanliness Requirements
The transportation environment of the DBS3800 should meet the following air cleannessrequirements:
l There is no explosive, conductive, magneto-conductive or corrosive dust in the air.
l The density of the physically active materials meets the requirements described in Table8-46.
Table 8-46 Requirements for the density of physically active materials
Physically ActiveMaterial
Unit Density
Suspended dust mg/m3 –
Falling dust mg/(m2h) ≤ 3.0
Sand mg/m3 ≤ 100
Note:l Suspended dust: diameter ≤ 75 μm
l Falling dust: 75 μm ≤ diameter ≤ 150 μm
l Sand: 150 μm ≤ diameter ≤ 1,000 μm
l The density of the chemically active materials meets the requirements described in Table8-47.
Table 8-47 Requirements for the density of chemically active materials
Chemically ActiveMaterial
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
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Chemically ActiveMaterial
Unit Density
HF mg/m3 ≤ 0.01
O3 mg/m3 ≤ 0.05
Mechanical Stress RequirementsThe transportation environment of the DBS3800 should meet the mechanical stress requirementslisted in Table 8-48.
Table 8-48 Mechanical stress requirements
Item Sub-item Specification
Sinusoidalvibration
Offset ≤ 7.5 mm - -
Acceleratedspeed
- ≤ 20.0 m/s2 ≤ 40.0 m/s2
Frequencyrange
2 Hz to 9 Hz 9 Hz to 200 Hz 200 Hz to 500 Hz
Random vibration Spectraldensity ofacceleratedspeed
1 m2/s3 –3 dB Total meansquare rootacceleratedspeed: 0.781Grms
Frequencyrange
5 Hz to 20 Hz 20 Hz to 200Hz
Unsteady impact Impactresponsespectrum II
≤ 300 m/s2
Static payload ≤ 10 kPa
Drop Drop When the mass is less than 20 kg, the free fall is lessthan 1.2 m.When the mass is within the range of 20 kg to 100kg, the free fall is less than 1.0 m.When the mass is more than 100 kg, the free fall isless than 0.25 m.
Note:l Impact response spectrum refers to the maximum acceleration response curve generated
by the equipment under the specified impact excitation. Impact response spectrum II meansthat the duration of semi-sine impact response spectrum is 6 ms.
l Static payload refers to the capability of the equipment in a packing case to bear the pressurefrom the top in normal pile-up method.
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8.7.3 Storage Requirements of the DBS3800This describes the storage requirements of the DBS3800.
Climatic Requirements
Table 8-49 lists the climatic requirements for the storage environment of the DBS3800.
Table 8-49 Climatic requirements
Item Specification
Altitude ≤ 5,000 m
Air pressure 70 kPa to 106 kPa
Temperature –40℃ to +70℃
Temperature change rate ≤ 1℃/min
Relative humidity 10% to 100%
Solar radiation ≤ 1,120 W/m2
Thermal radiation ≤ 600 W/m2
Wind speed ≤ 50 m/s
Waterproofing Requirements
The equipment is preferably stored indoors. The indoor storage environment should meet thefollowing waterproofing requirements:
l No water is on the ground of the room. And there is no probability of water entering thepacking case.
l The equipment is stored far away from automatic fire fighting devices or heating facilities.This prevents water from leaking into the packing case.
If the equipment has to be stored outdoors, the outdoor storage environment should meet thefollowing waterproofing requirements:
l The packing case is intact.
l The equipment is shielded from the rainwater.
l No water is on the ground. And there is no probability of water entering the packing case.
l The packing case is not exposed to direct sunlight.
Biological Requirements
The storage environment of the DBS3800 should meet the following biological requirements:
l The environment is not conducive for the growth of fungus or mildew.
l There are no rodent animals such as rats.
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Air Cleanliness Requirements
The storage environment of the DBS3800 should meet the following air cleanness requirements:
l There is no explosive, conductive, magneto-conductive or corrosive dust in the air.
l The density of the physically active materials meets the requirements described in Table8-50.
Table 8-50 Requirements for the density of physically active materials
Physically ActiveMaterial
Unit Density
Suspended dust mg/m3 ≤ 5.00
Falling dust mg/(m2h) ≤ 20.0
Sand mg/m3 ≤ 300
Note:l Suspended dust: diameter ≤ 75 μm
l Falling dust: 75 μm ≤ diameter ≤ 150 μm
l Sand: 150 μm ≤ diameter ≤ 1,000 μm
l The density of the chemically active materials meets the requirements described in Table8-51.
Table 8-51 Requirements for the density of chemically active materials
Chemically ActiveMaterial
Unit Density
SO2 mg/m3 ≤ 0.30
H2S mg/m3 ≤ 0.10
NO2 mg/m3 ≤ 0.05
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
The storage environment of the DBS3800 should meet the mechanical stress requirements listedin Table 8-52.
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Table 8-52 Mechanical stress requirements
Item Sub-item Specification
Sinusoidalvibration
Offset ≤ 7.0 mm -
Accelerated speed - ≤ 20.0 m/s2
Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz
Unsteadyimpact
Impact responsespectrum II
≤ 250 m/s2
Static payload ≤ 5 kPa
Note:l Impact response spectrum refers to the maximum acceleration response curve generated
by the equipment under the specified impact excitation. Impact response spectrum II meansthat the duration of semi-sine impact response spectrum is 6 ms.
l Static payload refers to the capability of the equipment in a packing case to bear the pressurefrom the top in normal pile-up method.
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Index
BBBU3806
logical structure, 3-3physical dimension, 8-5port, 8-11power consumption, 8-5power input, 8-5weight, 8-5
BBU3806Clogical structure, 3-4physical dimension, 8-6port, 8-13power consumption, 8-6power input, 8-6weight, 8-6
Cclock synchronization mode, 5-1compliance standard, 8-17
Llogical structure
BBU3806, 3-3BBU3806C, 3-4RRU, 3-5
OOM function, 7-3OM mode, 7-2
Pproduct family, 2-1
RRRU
logical structure, 3-5RRU3801C
physical dimension, 8-7port, 8-14
power consumption, 8-7power input, 8-7weight, 8-7
Ssoftware structure, 3-7storage requirement, 8-24surge protection specification, 8-9system architecture, 3-2
Ttopology, 4-2, 4-5topology of Macro NodeB
chain topology, 4-3star topology, 4-2tree topology, 4-4
transportation requirement, 8-21
Wworking environment requirement, 8-18
DBS3800Product Description Index
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