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APM30
V100R003
User Guide
Issue 03
Date 2007-10-24
Part Number 31043557
Huawei Technologies Proprietary
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Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For any
assistance, please contact our local office or company headquarters.
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]
Copyright 2007 Huawei Technologies Co., Ltd. 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 the property of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective holders.
Notice
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but the statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
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Contents
About This Document.....................................................................................................................1
1 Safety Information.....................................................................................................................1-1
1.1 Safety Precautions...........................................................................................................................................1-1
1.2 ElectricitySafety.............................................................................................................................................1-31.3 Inflammable Environment...............................................................................................................................1-5
1.4 Battery.............................................................................................................................................................1-5
1.5 Radiation.........................................................................................................................................................1-7
1.6 Working at Heights.........................................................................................................................................1-9
1.7 Mechanical Safety.........................................................................................................................................1-11
1.8 Others............................................................................................................................................................1-12
2 APM30 Product Description....................................................................................................2-1
2.1 Functions of the APM30.................................................................................................................................2-2
2.2 Structure of the APM30..................................................................................................................................2-4
2.3 Technical Specifications of the APM30..........................................................................................................2-8
2.3.1 Electrical Specifications of the APM30.................................................................................................2-8
2.3.2 Engineering Specifications of the APM30...........................................................................................2-10
2.3.3 Surge Protection Specifications of the APM30....................................................................................2-10
2.3.4 Environment Requirements of the APM30..........................................................................................2-11
2.4 Typical Applications of the APM30...................................................................... .......................................2-12
2.4.1 APM30 Working with Distributed Base Stations................................................................................2-12
2.4.2 APM30 Working with Mini Base Stations .........................................................................................2-13
3 Extended Battery Cabinet.........................................................................................................3-1
3.1 Structure of the Extended Battery Cabinet......................................................................................................3-2
3.2 Technical Specifications of the Extended Battery Cabinet.............................................................................3-5
3.3 Application of the Extended Battery Cabinet..................................................................................................3-6
4 APM30 Installation Guide........................................................................................................4-1
4.1 Preparing for APM30 Installation...................................................................................................................4-3
4.2 Installing the APM30......................................................................................................................................4-4
4.3 Installing the Extended Battery Cabinet..........................................................................................................4-5
4.4 Installing the APM30 Cabinet.........................................................................................................................4-9
4.4.1 Installing the Base..................................................................................................................................4-9
4.4.2 Installing the APM30 Cabinet on the Concrete Floor..........................................................................4-12
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4.4.3 Install the APM30 Cabinet on an Overhead Platform..........................................................................4-13
4.4.4 Installing the APM30 Cabinet on a Metal Pole....................................................................................4-15
4.4.5 Installing the APM30 Cabinet on a Wall.............................................................................................4-20
4.4.6 Installing the APM30 Cabinet on the Extended Battery Cabinet.........................................................4-25
4.5 Installing the Power Monitoring Unit...........................................................................................................4-27
4.6 Installing the Power Supply Unit..................................................................................................................4-31
4.7 Installing the User Equipment.......................................................................................................................4-32
4.8 Installing the Heater and Related Cables......................................................................................................4-35
4.9 Installing the Cables of the APM30..............................................................................................................4-39
4.9.1 Installing the Grounding Cables of the APM30...................................................................................4-40
4.9.2 Installing the AC Input Power Cable of the APM30...........................................................................4-42
4.9.3 Installing the Power Cable of the BBU3806........................................................................................4-44
4.9.4 Installing the DC Power Cable of the RRU.........................................................................................4-47
4.9.5 Installing the DC Power Cable of the BTS3006C/BTS3002E.............................................................4-484.9.6 Installing the Internal Communication Cables of the APM30.............................................................4-49
4.9.7 Installing the E1/T1 Cable of the BBU3806........................................................................................4-51
4.9.8 Installing the CPRI Optical Cable Between the BBU3806 and the RRU3801C.................................4-52
4.9.9 Installing the Alarm Cable Between the APM30 and the BTS3006C/BTS3002E..............................4-54
4.10 Installing the Batteries of the APM30.........................................................................................................4-54
4.10.1 Installing the Batteries of the APM30................................................................................................4-55
4.10.2 Installing the Batteries of the Extended Battery Cabinet...................................................................4-59
4.11 Sealing the Cable Holes..............................................................................................................................4-64
4.12 Checking theInstallation of the APM30.....................................................................................................4-65
4.12.1 Checklist for the APM30 Cabinet......................................................................................................4-66
4.12.2 Checklist for the Electrical Connection of the APM30......................................................................4-66
4.12.3 Checklist for the Installation Environment of the APM30................................................................4-67
5 APM30 Equipment Maintenance............................................................................................5-1
5.1 Routine Maintenance.......................................................................................................................................5-2
5.2 Parts Replacement...........................................................................................................................................5-6
5.2.1 Replacing the PSUs................................................................................................................................5-7
5.2.2 Replacing the Batteries...........................................................................................................................5-9
5.2.3 Replacing the Batteries of the Extended Battery Cabinet....................................................................5-10
5.2.4 Replacing the Fans ..............................................................................................................................5-11
5.2.5 Replacing the PMU..............................................................................................................................5-12
5.2.6 Replacing the Breathable Film.............................................................................................................5-14
5.2.7 Replacing the Surge Protectors............................................................................................................5-15
5.2.8 Replacing the Power Supply Subrack .................................................................................................5-17
5.2.9 Replacing the Power Distribution Unit................................................................................................5-19
5.2.10 Replacing the Temperature Sensors ..................................................................................................5-19
5.2.11 Replacing the Door Status Sensor .....................................................................................................5-22
5.2.12 Replacing the DFFU/APMI...............................................................................................................5-23
6 DC Transmission Cabinet of the APM30..............................................................................6-1
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6.1 Functions of the DC Transmission Cabinet of the APM30............................................................................6-2
6.2 Structure of the DC Transmission Cabinet of the APM30..............................................................................6-2
6.3 Technical Specifications for the DC Transmission Cabinet of the APM30....................................................6-5
6.4 APM30 DC Transmission Cabinet Working with Macro Base Stations........................................................6-7
6.5 Installing the DC Transmission Cabinet of the APM30.................................................................................6-8
6.6 Installing the Cables of the DC Transmission Cabinet of the APM30...........................................................6-8
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Figures
Figure 1-1Wearing an ESD wrist strap...............................................................................................................1-5
Figure 1-2Lifting a weight................................................................................................................................1-10
Figure 1-3Slant angle........................................................................................................................................1-11
Figure 1-4One meter higher than the eave........................................................................................................1-11
Figure 2-1APM30................................................................................................................................................2-4
Figure 2-2Cable holes of the APM30..................................................................................................................2-5
Figure 2-3Internal structure of the APM30.........................................................................................................2-6
Figure 2-4Front panel of the DC PDU................................................................................................................2-7
Figure 2-5APM30 working with three RRUs...................................................................................................2-12
Figure 2-6APM30 (with an extended battery cabinet) working with RRUs.....................................................2-13
Figure 2-7APM30 working with a GSM mini station.......................................................................................2-14
Figure 3-1Extended battery cabinet.....................................................................................................................3-2
Figure 3-2Internal structure and cable holes of the extended battery cabinet.....................................................3-3
Figure 3-3Cable holes at the bottom of the extended battery cabinet........................... ............................. .........3-3Figure 3-4Routing the cables from the bottom...................................................................................................3-4
Figure 3-5Routing the cables from the sides.......................................................................................................3-5
Figure 4-1Space requirements of the APM30.....................................................................................................4-4
Figure 4-2Space requirements of the extended battery cabinet (unit: mm)........................................................4-5
Figure 4-3Determining the anchor points (unit: mm).........................................................................................4-6
Figure 4-4Installing the expansion bolt assembly...............................................................................................4-7
Figure 4-5Disassembling the expansion bolt assembly......................................................................................4-7
Figure 4-6Fixing the cabinet...............................................................................................................................4-8
Figure 4-7Base of the APM30.............................................................................................................................4-9
Figure 4-8Determining the anchor points (unit: mm).......................................................................................4-10
Figure 4-9Installing the expansion bolt assembly.............................................................................................4-11
Figure 4-10Disassembling the expansion bolt assembly..................................................................................4-11
Figure 4-11Fixing the base................................................................................................................................4-12
Figure 4-12Fixing the APM30 cabinet..............................................................................................................4-13
Figure 4-13Fixing the APM30 cabinet..............................................................................................................4-15
Figure 4-14Installing the fixture assemblies.....................................................................................................4-16
Figure 4-15Fastening the fixture assemblies.....................................................................................................4-17
Figure 4-16Installing the mounting ears...........................................................................................................4-17
Figure 4-17Installing the screws on the fixture assemblies...............................................................................4-18
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Figure 4-18Installing the APM30 cabinet on the metal pole............................................................................4-19
Figure 4-19Anchor bolt hole.............................................................................................................................4-19
Figure 4-20Blocking the anchor bolt hole.........................................................................................................4-20
Figure 4-21Determining the anchor points (unit: mm).....................................................................................4-21
Figure 4-22Installing the expansion bolt assembly...........................................................................................4-22
Figure 4-23Installing the mounting ears...........................................................................................................4-23
Figure 4-24Fixing the APM30 cabinet..............................................................................................................4-24
Figure 4-25Anchor bolt hole.............................................................................................................................4-25
Figure 4-26Blocking the anchor bolt hole.........................................................................................................4-25
Figure 4-27Space requirements for installing the APM30 cabinet on the extended battery cabinet (unit: mm)
.............................................................................................................................................................................4-26
Figure 4-28Applying fireproof clay around the cable outlet.............................................................................4-26
Figure 4-29Placing the APM30 cabinet on the extended battery cabinet.........................................................4-27
Figure 4-30Front panel of the PMU (1)............................................................................................................4-28Figure 4-31DIP switch on the PMU..................................................................................................................4-28
Figure 4-32Front panel of the PMU (2)............................................................................................................4-29
Figure 4-33Position of the PMU ......................................................................................................................4-29
Figure 4-34Loosening the screws on the handle...............................................................................................4-30
Figure 4-35Pulling the handle of the PMU panel..............................................................................................4-30
Figure 4-36Position of the PSU.........................................................................................................................4-31
Figure 4-37Loosening the screws on the handle...............................................................................................4-32
Figure 4-38Pulling the handle of the PSU panel...............................................................................................4-32
Figure 4-39Position for installing the BBU3806 in the APM30.......................................................................4-33
Figure 4-40Installing the floating nuts..............................................................................................................4-34
Figure 4-41Sliding the BBU3806 along the guide rails into the cabinet..........................................................4-35
Figure 4-42Installing a heater in the APM30 cabinet.......................................................................................4-36
Figure 4-43Connecting the power cable to the heater.......................................................................................4-36
Figure 4-44Installing the voltage converter of the heater.................................................................................4-37
Figure 4-45Cable connections of the heater......................................................................................................4-37
Figure 4-46Position for installing the voltage converter...................................................................................4-38
Figure 4-47Heater tray......................................................................................................................................4-38
Figure 4-48Connecting related cables of the heater..........................................................................................4-39
Figure 4-49Position of the grounding busbar in the APM30 cabinet................................................................4-41Figure 4-50Removing the baffle plate...............................................................................................................4-41
Figure 4-51Removing the partition plates.........................................................................................................4-42
Figure 4-52AC wiring terminals.......................................................................................................................4-42
Figure 4-53Leading the AC power cable through the cable hole......................................................................4-43
Figure 4-54Sealing the cable holes...................................................................................................................4-44
Figure 4-55DC output terminals........................................................................................................................4-45
Figure 4-56Sequence of connecting the signal wires........................................................................................4-45
Figure 4-57BBU3806 power cable with OT terminals.....................................................................................4-46
Figure 4-58Connecting the BBU3806 power cable..........................................................................................4-46
Figure 4-59Connecting the power cable of the RRU........................................................................................4-47
Figures
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Figure 4-60Shielding layer of the power cable.................................................................................................4-48
Figure 4-61Grounding the shielding layer of the power cable..........................................................................4-48
Figure 4-62Connecting the power cable of the BTS3006C/BTS3002E...........................................................4-49
Figure 4-63PMU communication cable............................................................................................................4-50
Figure 4-64Connection of the PMU communication cable...............................................................................4-50
Figure 4-65Connecting the E1/T1 cable to the BBU3806 ...............................................................................4-51
Figure 4-66Grounding the shielding layer of the E1/T1 cable..........................................................................4-52
Figure 4-67Installing the optical module on the BBU3806..............................................................................4-53
Figure 4-68Attaching the optical connector to the optical module...................................................................4-53
Figure 4-69Binding the optical cable................................................................................................................4-53
Figure 4-70Cable connections of the batteries..................................................................................................4-56
Figure 4-71Position for installing the batteries.................................................................................................4-57
Figure 4-72Connecting the batteries in series...................................................................................................4-57
Figure 4-73Removing the protecting hood from the battery busbar.................................................................4-58
Figure 4-74Connecting the power cables to the battery busbar........................................................................4-58
Figure 4-75Cable connections of the 48 V 50 AH batteries...........................................................................4-60
Figure 4-76Cable connections of the 48 V 200 AH batteries.........................................................................4-60
Figure 4-77Installing the 48 V 50 AH batteries..............................................................................................4-61
Figure 4-78Installing the 48 V 200 AH batteries............................................................................................4-61
Figure 4-79Connecting the batteries in series...................................................................................................4-62
Figure 4-80Connecting the RTN(+) power cable..............................................................................................4-63
Figure 4-81Connecting the battery power cable...............................................................................................4-64
Figure 4-82Filling the fireproof clay.................................................................................................................4-65Figure 5-1Position of the PSU.............................................................................................................................5-7
Figure 5-2Loosening the screws on the handle...................................................................................................5-8
Figure 5-3Pulling the handle of the PSU.............................................................................................................5-8
Figure 5-4Ports on the fan.................................................................................................................................5-11
Figure 5-5Fastening the screws to the top cover...............................................................................................5-11
Figure 5-6Opening the top cover.......................................................................................................................5-12
Figure 5-7Position of the PMU.........................................................................................................................5-13
Figure 5-8Loosening the screws on the handle.................................................................................................5-13
Figure 5-9Pulling the handle of the PMU panel................................................................................................5-14
Figure 5-10Position of the breathable film........................................................................................................5-15
Figure 5-11Removing the cover plate of the PDU............................................................................................5-16
Figure 5-12Position of the power supply subrack.............................................................................................5-18
Figure 5-13Position of the ambient temperature sensor....................................................................................5-20
Figure 5-14Position of the air inlet temperature sensor....................................................................................5-21
Figure 5-15Position of the battery temperature sensor......................................................................................5-21
Figure 5-16Position of the air outlet temperature sensor..................................................................................5-22
Figure 5-17Position of the door status sensor...................................................................................................5-23
Figure 5-18Door status sensor...........................................................................................................................5-23
Figure 5-19Front panel of the DFFU/APMI.....................................................................................................5-24
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Figure 6-1DC transmission cabinet.....................................................................................................................6-3
Figure 6-2Cable holes of the DC transmission cabinet.......................................................................................6-3
Figure 6-3Internal structure of the DC transmission cabinet..............................................................................6-4
Figure 6-4Front panel of the DC-BOX...............................................................................................................6-4
Figure 6-5APM30 DC transmission cabinet working with base stations...........................................................6-7
Figures
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Tables
Table 2-1Functions of the APM30......................................................................................................................2-2
Table 2-2DC power distribution functions of the APM30..................................................................................2-3
Table 2-3Ports of the APM30 for external connections......................................................................................2-7
Table 2-4Electrical specifications of the APM30................................................................................................2-8
Table 2-5Engineering specifications of the APM30.........................................................................................2-10
Table 2-6Surge protection specifications of the APM30..................................................................................2-10
Table 2-7Environmental conditions of the APM30..........................................................................................2-11
Table 3-1Technical specifications of the extended battery cabinet.....................................................................3-6
Table 4-1Tools and instruments..........................................................................................................................4-3
Table 4-2Setting the DIP switch on the PMU...................................................................................................4-30
Table 4-3Pinassignment for the wires of the alarm cable.................................................................................4-54
Table 4-4Checklist for the APM30 cabinet.......................................................................................................4-66
Table 4-5Checklist for the electrical connection...............................................................................................4-66
Table 4-6Checklist for the installation environment.........................................................................................4-67Table 5-1Maintenance items............................................................................................................................... 5-2
Table 5-2Indicators of the PMU..........................................................................................................................5-3
Table 5-3Alarms and parameter settings of the PMU.........................................................................................5-3
Table 5-4Indicators of the breathable film..........................................................................................................5-6
Table 5-5Setting the DIP switch on the PMU...................................................................................................5-14
Table 6-1Environmental parameters................................................................................................................... 6-6
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About This Document
Purpose
This document familiarizes users with the applications and specifications of the APM30 and
also describes the installation and maintenance of the APM30 cabinet, transmission equipment,
cables, fans, and batteries.
Version
The following table lists the product version related to this document.
Product Name Version
APM30 V100R003
Intended Audience
This document is intended for:
l Field engineers
l Base station installers
l System engineers
Change History
Refer to Changes in APM30 User Guide.
Organization
1 Safety Information
2 APM30 Product Description
This describes the functions, structure, typical applications, and technical specifications of the
APM30.
3 Extended Battery Cabinet
The APM30 and the extended battery cabinet works together to supply power to mini basestations or distributed base stations. The extended battery cabinet is optional. It is configured
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with a 48 V 200 AH built-in battery group to supply backup power for a long period of time
in special cases.
4 APM30 Installation Guide
This describes the procedures and methods for installing the APM30.
5 APM30 Equipment Maintenance
You should maintain the APM30 equipment to ensure that it works properly.
6 DC Transmission Cabinet of the APM30
This describes the structure, functions, technical specifications, and applications of the DC
transmission cabinet of the APM30.
Conventions
1. Symbol Conventions
The following symbols may be found in this document. They are defined as follows
Symbol Description
DANGER
Indicates a hazard with a high level of risk that, if not avoided,
will result in death or serious injury.
WARNING
Indicates a hazard with a medium or low level of risk which, if
not avoided, could result in minor or moderate injury.
CAUTION
Indicates a potentially hazardous situation that, if not avoided,
could cause equipment damage, data loss, and performance
degradation, or unexpected results.
TIP Indicates a tip that may help you solve a problem or save your
time.
NOTE Provides additional information to emphasize or supplement
important points of the main text.
2. General Conventions
Convention Description
Times New Roman Normal paragraphs are in Times New Roman.
Boldface Names of files,directories,folders,and users are in boldface. For
example,log in as user root.
Italic Book titles are in italics.
Courier New Terminal display is in Courier New.
3. Command Conventions
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Convention Description
Boldface The keywords of a command line are in boldface.
Italic Command arguments are in italic.
[ ] Items (keywords or arguments) in square brackets [ ] are optional.
{x | y | ...} Alternative items are grouped in braces and separated by vertical
bars.One is selected.
[ x | y | ... ] Optional alternative items are grouped in square brackets and
separated by vertical bars.One or none is selected.
{ x | y | ... } * Alternative items are grouped in braces and separated by vertical
bars.A minimum of one or a maximum of all can be selected.
[ x | y | ... ] * Alternative items are grouped in braces and separated by verticalbars.A minimum of zero or a maximum of all can be selected.
4. GUI Conventions
Convention Description
Boldface Buttons,menus,parameters,tabs,window,and dialog titles are in
boldface. For example,click OK.
> Multi-level menus are in boldfaceand separated by the ">" signs.
For example,choose File > Create > Folder .
5. Keyboard Operation
Convention Description
Key Press the key.For example,press Enterand press Tab.
Key1+Key2 Press the keys concurrently.For example,pressing Ctrl+Alt+A
means the three keys should be pressed concurrently.
Key1,Key2 Press the keys in turn.For example,pressing Alt,A means the two
keys should be pressed in turn.
6. Mouse Operation
Action Description
Click Select and release the primary mouse button without moving the
pointer.
Double-click Press the primary mouse button twice continuously and quickly
without moving the pointer.
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Action Description
Drag Press and hold the primary mouse button and move the pointer
to a certain position.
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1Safety Information1.1 Safety Precautions
This section describes certain safety precautions. Read and follow these safety precautions
before installing, operating, and maintaining Huawei devices.This manual can also help to
choose the measurement device and testing device.
Following All Safety Precautions
Before any operation, read the instructions and precautions in this document carefully to
minimize the possibility of accidents.
The Danger, Caution, and Note items in the documents do not cover all the safety precautions
that must be followed. They only provide the generic safety precautions for operations.
Symbols
DANGER
This symbol indicates that casualty or serious accident may occur if you ignore the safety
instruction.
CAUTION
This symbol indicates that serious or major injury may occur if you ignore the safety instruction.
NOTE
This symbol indicates that the operation may be easier if you pay attention to the safety instruction.
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Complying with the Local Safety Regulations
When operating the device, comply with the local safety regulations. The safety precautions
provided in the documents are supplementary. You must comply with the local safety
regulations.
General Installation Requirements
The personnel in charge of installation and maintenance must be trained and master the correct
operating methods and safety precautions before beginning work.
The rules for installing and maintaining the device are as follows:
l Only the trained and qualified personnel can install, operate and maintain the device.
l Only the qualified specialists are allowed to remove the safety facilities, and repair the
device.
l Any replacement of the device or part of the device (including the software) or any change
made to the device must be performed by qualified or authorized personnel of Huawei.
l Any fault or error that might cause safety problems must be reported immediately to the
personnel in charge.
Grounding Requirements
The following requirements are applicable to the device to be grounded:
l Ground the device before installation and remove the ground cable after uninstallation.
l Do not operate the device in the absence of a ground conductor. Do not damage the groundconductor.
l The unit (or system) must be permanently connected to the protection ground before
operation. Check the electrical connection of the device before operation and ensure that
the device is reliably grounded.
Safety of Personnel
Ensure the following:
l When lightning strikes, do not operate the device and cables.
l When lightning strikes, unplug the AC power connector. Do not use the fixed terminal or
touch the terminal or antenna connector.
NOTE
The previous two requirements are suitable for the wireless fixed terminal.
l To prevent electric shock, do not connect safety extra-low voltage (SELV) circuits to
telecommunication network voltage (TNV) circuits.
l To prevent laser radiation from injuring your eyes, never look into the optical fiber outlet
with unaided eyes.
l To prevent electric shock and burns, wear the electrostatic discharge (ESD) clothing, gloves
and wrist strap, and remove conductors such as jewelry and watch before operation.
1 Safety Information
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Device Safety
l Before operation, the device must be secured on the floor or other fixed objects, such as
the walls and the mounting racks.
l Do not block ventilation openings while the system is running.
l When installing the panel, tighten the screw with the tool.
1.2 Electricity Safety
High Voltage
DANGER
l The high voltage power supply provides power for running the system. Direct contact with
the high voltage power supply or contact through damp objects may result in fatal danger.
l Non-standard and improper high voltage operations may result in fire and electric shock.
l The personnel who install the AC facility must be qualified to perform operations on high
voltage and AC power supply facilities.
l When installing the AC power supply facility, follow the local safety regulations.
l When operating the AC power supply facility, follow the local safety regulations.
l When operating the high voltage and AC power supply facilities, use the specific tools
instead of common tools.
l When the operation is performed in a damp environment, ensure that water is kept off the
device. If the cabinet is damp or wet, shut down the power supply immediately.
Thunderstorm
The following requirements are suitable only for the wireless base station or the device with an
antenna or GPS antenna.
DANGER
In a thunderstorm, do not perform operations on high voltage and AC power supply facilities or
on a steel tower and mast.
High Electrical Leakage
CAUTION
Ground the device before powering on the device. Otherwise, the personnel and device are in
danger.
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If the "high electrical leakage" flag is stuck to the power terminal of the device, you must ground
the device before powering it on.
Power Cable
CAUTION
Do not install and remove the power cable with a live line. Transient contact between the core
of the power cable and the conductor may generate electric arc or spark, which may cause fire
or eye injury.
l Before installing or removing the power cable, turn off the power switch.
l Before connecting the power cable, ensure that the power cable and label comply with the
requirements of the actual installation.
Fuse
CAUTION
To ensure that the system runs safely, when a fuse blows, replace it with a fuse of the same type
and specifications.
Electrostatic Discharge
CAUTION
The static electricity generated by the human body may damage the electrostatic sensitive
components on the circuit board, such as the large-scale integrated circuit (LIC).
In the following situations, the human body generates a static electromagnetic field:
l Movement of body parts
l Clothes friction
l Friction between shoes and the ground
l Holding plastic in hand
The static electromagnetic field will remain within the human body for a long time.
Before contacting the device, plug boards, circuit boards, and application specific integrated
circuits (ASICs), wear a grounded ESD wrist strap. It can prevent the sensitive components from
being damaged by the static electricity in the human body.
Figure 1-1shows how to wear an ESD wrist strap.
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Figure 1-1Wearing an ESD wrist strap
NOTE
For the GSM dual density base station,you need not wear an ESD wrist strap.
1.3 Inflammable Environment
DANGER
Do not place the device in the environment that has inflammable and explosive air or fog. Do
not perform any operation in this environment.
Any operation of the electrical device in the inflammable environment causes danger.
1.4 BatteryStorage Battery
DANGER
Before handling the storage battery, read the safety precautions for the handling and connection
of the storage battery.
Incorrect operation of storage batteries may cause danger. During operation, ensure thefollowing:
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l Prevent any short-circuit.
l Prevent the electrolyte from overflowing and leakage.
Electrolyte overflow may damage the device. It will corrode the metal parts and the circuit
boards, and ultimately damage the device and cause short-circuit of the circuit boards.
General Operations
Before installing and maintaining the storage battery, ensure the following:
l Use special insulation tools.
l Use eye protection devices and operate with care.
l Wear rubber gloves and an apron in case of an electrolyte overflow.
l Always keep the battery upright when moving. Do not place the battery upside down or tilt
it.
Short-Circuit
DANGER
Short-circuit of the battery may cause injury. Although the voltage of a battery is low, high
transient current generated by short-circuit will release a surge of power.
Keep metal objects away from the battery to prevent short circuit. If they have to be used,
disconnect the battery in use before performing any other operation.
Harmful Gas
CAUTION
l Do not use unsealed lead-acid storage batteries, because the gas emitted from it may result
in fire or device corrosion.
l Lay the storage battery horizontally and fix it properly.
The lead-acid storage battery in use will emit flammable gas. Therefore, store it in a place with
good ventilation and take precautions against fire.
High Temperature
CAUTION
High temperature may result in distortion, damage, and electrolyte overflow of the battery.
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When the temperature of the battery exceeds 60oC, check whether there is acid overflow. If acid
overflow occurs, handle the acid immediately.
Acid
CAUTION
If the acid overflows, it should be absorbed and neutralized immediately.
When handling a leaky battery, protect against the possible damage caused by the acid. Use the
following materials to absorb and neutralize acid spills:
l Sodium bicarbonate (baking soda):NaHCO3
l
Sodium carbonate (soda):Na2CO3
Antacids must be used according to the instructions provided by the battery manufacturer.
Lithium Battery
CAUTION
There is danger of explosion if the battery is incorrectly replaced.
l Replace the lithium battery with the same or equivalent type recommended by the
manufacturer.
l Dispose of the used battery according to the instructions provided by the manufacturer.
l Do not dispose of the lithium battery in fire.
1.5 Radiation
Electromagnetic Field Exposure
CAUTION
High power radio-frequency signals are harmful to human body.
Before installing or maintaining an antenna on a steel tower or mast with a large number of
transmitter antennas, the operator should coordinate with all parties to ensure that the transmitter
antennas are shut down.
The base transceiver station (BTS) has RF radiation (radiation hazard). Suggestions for the
installation and operation of BTSs are given in the following section. Operators are also requiredto comply with the related local regulations on erecting BTSs.
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l The antenna should be located in an area that is inaccessible to the public where the RF
radiation exceeds the stipulated value.
l If the areas where RF radiation exceeds the stipulated value are accessible to workers,
ensure that workers know where these areas are. They can shut down the transmitters before
entering these areas. Such areas may not exist; but if they exist, the areas must be within arange of less than 10 m around the antennas.
l Each forbidden zone should be indicated by a physical barrier and striking sign to warn the
public or workers.
Laser
CAUTION
When handling optical fibers, do not stand close to, or look into the optical fiber outlet with
unaided eyes.
Laser transceivers or transmitters are used in the optical transmission system and associated test
tools. Because the laser that is transmitted through the optical fiber produces a small beam of
light, it has a very high power density and is invisible to human eyes. If a beam of light enters
the eye, the retina may be damaged.
Normally, staring into the end of an unterminated optical fiber or broken optical fiber with the
unaided eyes from a distance of more than 150 mm (6 inches) will not cause eye injury. Eyes
may, however, be damaged if an optical tool such as a microscope, magnifying glass or eye
loupe is used to stare into the bare optical fiber end.
Read the following guidelines to prevent laser radiation:
l Only the trained and authorized personnel can perform the operation.
l Wear a pair of eye-protective glasses when you are handling lasers or optical fibers.
l Ensure that the optical source is switched off before disconnecting optical fiber connectors.
l Never look into the end of an exposed optical fiber or an open connector if you cannot
ensure that the optical source is switched off.
l To ensure that the optical source is switched off, use an optical power meter.
l Before opening the front door of an optical transmission system, ensure that you are notexposed to laser radiation.
l Never use an optical tool such as a microscope, a magnifying glass, or an eye loupe to look
into the optical fiber connector or end.
Read the following instructions before handling optical fibers:
l Only the trained personnel can cut and splice optical fibers.
l Before cutting or splicing an optical fiber, ensure that the optical fiber is disconnected from
the optical source. After disconnecting the optical fiber, use protecting caps to protect all
the optical connectors.
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1.6 Working at Heights
CAUTION
When working at heights, ensure that the objects do not fall.
When working at heights, ensure that the following requirements must be met:
l The personnel who work at heights must be trained.
l The operating machines and tools should be carried and handled safely to prevent them
from falling.
l
Safety measures, such as wearing a helmet and a safety belt, should be taken.l In cold regions, warm clothes should be worn before working at heights.
l Ensure that the lifting appliances are well prepared for working at heights.
Lifting Weights
CAUTION
Do not access the areas under the arm of the crane and the goods in suspension when lifting
weights.
l Ensure that the operators have been trained and qualified.
l Check the weight lifting tools and ensure that they are intact.
l Lift the weight only when the weight lifting tools are firmly mounted onto the weight-
bearing object or the wall.
l Use a concise instruction to prevent incorrect operation.
l The angle between the two cables should be less than or equal to 90oin the lifting of weights
(SeeFigure 1-2.
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Figure 1-2Lifting a weight
Safety Guide on Ladder Use
Checking the Ladder
l Check the ladder before using it. Check the maximum weight that the ladder can support.
l Never overload the ladder.
Placing the Ladder
l The slant angle is preferred to be 75o. The slantcan be measured with the angle square or
with arms, as shown inFigure 1-3.When using a ladder, place the wider end of the ladder
on the ground and take protective measures on the base of the ladder against slippage. Place
the ladder on a stable ground.
When climbing the ladder, ensure the following:
l The gravity of the body does not shift from the edge of the ladder.
l Keep balance on the ladder before performing any operation.
l Do not climb higher than the fourth highest step of the ladder.
If you tend to climb to the roof, the length of the ladder should be at least one meter higher than
the eave, as shown inFigure 1-4.
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Figure 1-3Slant angle
Figure 1-4One meter higher than the eave
1.7 Mechanical Safety
Drilling
CAUTION
Do not drill on the cabinet without permission. Inappropriate drilling on the cabinet may damage
the electromagnetic shielding and internal cables. Metal shavings from the drilling may result
in a short-circuit of the circuit board if they get into the cabinet.
l Before drilling a hole on the cabinet, remove the cables from the cabinet.
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l During the drilling, wear blinkers to protect your eyes.
l During the drilling, wear the protective gloves.
l Prevent the metal shavings from getting into the cabinet. After drilling, clean the metal
shavings in time.
Handling Sharp Objects
CAUTION
When carrying the device by hand, wear the protective gloves to prevent injury by sharp objects.
Handling Fans
l When replacing a component, place the component, screw, and tool at a safe place to preventthem from falling into the running fan.
l When replacing the ambient equipment around the fan, do not place the finger or board
into the running fan until the fan is switched off and stops running.
Moving Heavy Objects
Wear the protective gloves when moving heavy objects.
CAUTION
l Be careful when moving heavy objects.
l When moving the chassis outwards, be aware about the unfixed or heavy objects on the
chassis to prevent injury.
l Two persons should be available to move a chassis; one person must not move a heavy
chassis. When moving a chassis, keep your back straight and move stably to prevent a
sprain.
l When moving or lifting a chassis, hold the handle or bottom of the chassis. Do not hold the
handle of the installed modules in the chassis, such as the power module, fan module, or
board.
1.8 Others
Inserting and Removing a Board
CAUTION
When inserting a board, wear the ESD wrist strap or gloves. Insert the board gently to prevent
any bent pins on the backplane.
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l Insert the board along the guide rail.
l Avoid contact of one board with another to prevent short-circuit or damage.
l Do not remove the active board before powering off.
l
When holding a board in hand, do not touch the board circuit, components, connectors, orconnection slots.
Bundling Signal Cables
CAUTION
Bundle the signal cables separately from the strong current cables or high voltage cables.
Cabling Requirements
At a very low temperature, movement of the cable may damage the plastic skin of the cable. To
ensure the construction safety, comply with the following requirements:
l When installing cables, ensure that the environment temperature is above 0oC.
l If cables are stored in the place below 0oC, move the cables into a place at a room
temperature and store the cables for more than 24 hours before installation.
l Move the cables with care, especially at a low temperature. Do not drop the cables directly
from the vehicle.
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2APM30 Product DescriptionAbout This Chapter
This describes the functions, structure, typical applications, and technical specifications of the
APM30.
2.1 Functionsof the APM30
The APM30 provides 48 V DC power and power backup for the distributed base stations and
mini base stations, and provides space for the user equipment. It also performs functions such
as battery management and monitoring, and lightning protection.
2.2 Structure of the APM30
The appearance and internal structure of the APM30 can familiarize you with the functions,
applications, and installation methods of the APM30.
2.3 TechnicalSpecifications of the APM30
The technical specifications of the APM30 are the electrical specifications, engineering
specifications, surge protection specifications, and requirements for the operational
environment.
2.4 Typical Applications of the APM30
The APM30 applies to distributed base stations and mini base stations. The APM30 provides
48 V DC power and battery backup power for distributed base stations and mini base stations
and also space for installing the BBU3806 and user equipment.
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2.1 Functions of the APM30
The APM30 provides 48 V DC power and power backup for the distributed base stations and
mini base stations, and provides space for the user equipment. It also performs functions such
as battery management and monitoring, and lightning protection.
Table 2-1lists the functions of the APM30.
Table 2-1Functions of the APM30
Function Description
Supplying backup
power through
batteries
l The APM30 can be configured with a group of 48 V 12 AH,
48 V 24 AH or 48 V 36 AH built-in batteries to supply backup
power to distributed base stations for a short period of time.
l The extended battery cabinet can be configured with a group of48 V 200 AH built-in batteries to supply backup power to
distributed base stations or mini base stations for a long period
of time.
Providing space for
user equipment
The APM30 provides a space of 2 U to 7 U for the user equipment.
l If a group of 48 V 12 AH or 48 V 24 AH built-in batteries are
installed, the APM30 provides a space of 5 U for the user
equipment.
l If a group of 48 V 36 AH built-in batteries are installed, the
APM30 provides a space of 2 U for the user equipment.
l If an extended battery cabinet is installed, the APM30 containsno built-in batteries and provides a space of 7 U for the user
equipment.
Providing a built-in
rectifier
l The rectifier converts the input AC mains into 48 V DC power.
l The rectifier is hot-swappable.
Providing a built-in
monitoring module
l The monitoring module is hot-swappable. It performs rectifier
management and battery charging and discharging management.
l The monitoring module supports load low voltage disconnect and
battery low voltage disconnect (LLVD + BLVD) functions.
l
The monitoring module provides the RS485 communication portand dry contact alarm port for remote control and attendance-free
monitoring.
Providing AC power
distribution
The APM30 provides an AC/DC built-in power system that
supports single-phase three-wire AC input ranging from 200 V to
240 V and dual-live-wire AC input of 110 V.
Providing DC power
distribution
Refer to Table 2-2.
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Function Description
Protecting the power
supply and signal ports
from lightning
In the APM30, the lightning protection circuit is designed for the
dry contact alarm ports, the communication ports, and the built-in
lightning protection module at the AC/DC power supply ports. In
this way, the APM30 provides safe and reliable surge protection and
inductive lightning protection.
Dissipating heat The breathable film and fans in the APM30 are separately installed
for heat dissipation. Therefore, the APM30 can adapt to the variation
of ambient temperature.
Providing the
grounding bar
The grounding bus of the cabinet, the grounding cable of the surge
protector, and the grounding cables of other equipment are
connected to the grounding bar.
Table 2-2describes the DC power distribution functions of the APM30.
Table 2-2DC power distribution functions of the APM30
Application
DCOutput
DC PowerSupply Unit MCB Remarks
Working
with
distributed
base
stations
Four
primary
power
outputs
RRU Three 10 A
MCBs
When the APM30 supplies
power to three RRUs, the three
10 A MCBs control three DC
outputs respectively.
Reserved One 50 A
MCB
Four
secondary
power
outputs
BBU Two 10 A
MCBs
When the APM30 can be
configured with at most two
RRUs, the two 10 A MCBs
control two DC outputs
respectively.
Transmission
equipment
One 5 A MCB One 5 A MCB controls one DC
output to supply power to the
transmission equipment.
Fan One 5 A MCB The APM30 provides one DC
output and supplies power to
two fans concurrently.
Working
with mini
base
stations
Four
primary
power
outputs
BTS3006C Two 50 A
MCBs
The APM30 provides power
supply and power backup for
two BTS3006Cs.
BTS3002E Two 30 A
MCBs
The APM30 provides power
supply and power backup for
two BTS3002Es.
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Application
DCOutput
DC PowerSupply Unit MCB Remarks
Four
secondary
power
outputs
Transmission
equipment
Two 10 A
MCBs and
one 5 A MCB
Two 10 A MCBs and one 5 A
MCB control three DC outputs
for power supply to the
transmission equipment.
Fan One 5 A MCB The APM30 provides one DC
output and supplies power to
two fans concurrently.
2.2 Structure of the APM30
The appearance and internal structure of the APM30 can familiarize you with the functions,applications, and installation methods of the APM30.
Appearance
Figure 2-1shows the APM30.
Figure 2-1APM30
Cable Holes
Figure 2-2shows the cable holes of the APM30.
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Figure 2-2Cable holes of the APM30
(1) Cable hole for the AC power cable (2) Cable hole for the DC power cable (3) Cable hole for the signal cable
Internal Structure
Figure 2-3shows the internal structure of the APM30.
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Figure 2-3Internal structure of the APM30
(1) Filler panel (1 U) (2) Power subrack (3 U) (3) DC PDU (2 U)
(4) to (8) Filler panel (1 U) (9) Space for batteries (3 U)
NOTE
Positions in Figure 2-3are used as follows:
l Position 1 is used for the DDF.
l Positions 4 to 8 are used for the user equipment.
l Position 9 is used for a group of 48 V 12 AH and 48 V 24 AH batteries. If a group of 48 V 36 AH
built-in batteries is required, use positions 6 to 8.
l If no built-in battery group is required, position 9 is used for the user equipment.
Figure 2-4shows the front panel of the DC power distribution unit (PDU).
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Figure 2-4Front panel of the DC PDU
(1) Grounding terminal (2) AC wiring terminal (3) AC bipolar MCB (SW1) (4) AC bipolar MCB
(SW2)
(5) DC output MCB (6) DC output wiring
terminal LOAD2
(7) DC output wiring
terminal LOAD1
NOTE
l The AC bipolar MCB (SW1) controls AC wiring terminals L1 and N1. The AC bipolar MCB (SW2)
controls AC wiring terminals L2 and N2. The DC output MCB controls the DC output wiring terminals.
l There are four pairs of DC output wiring terminals LOAD2: NEG1(-), RTN1(+), NEG2(-), RTN2(+),
NEG3(-), RTN3(+), NEG4(-), and RTN4(+).
l There are four pairs of DC output wiring terminals LOAD1: NEG5(-), RTN5(+), NEG6(-), RTN6(+),
NEG7(-), RTN7(+), NEG8(-), and RTN8(+).
l NEG(-) is a wiringterminal for the 48 V power cable and RTN(+) is the one for the RTN(+) power
cable.
Ports
Table 2-3describes the ports of the APM30 for external connections.
Table 2-3Ports of the APM30 for external connections
Type Quantity Cable Inlet/Outlet
220 V AC power input port One 220 V AC input The AC power cable and the
grounding cable share a cable
inlet or outlet of 42 mm indiameter.
Grounding port Four grounding terminals(All the grounding nuts are
M8 nuts.)
48 V DC power output port A maximum of four DC
outputs for the RRU or mini
base station
The cable outlet for the DC
power cable is a round hole of
51.6 mm in diameter.
Outlet for the RS485
communication cable
Depends on field conditions The cables share a 109 mm x
42 mm long round hole.
Outlet for the dry contact
alarm cable
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Type Quantity Cable Inlet/Outlet
Inlet/outlet for the optical
cable or the E1 cable of user
equipment
Inlet/outlet for the optical
cable or the IF cable
2.3 Technical Specifications of the APM30
The technical specifications of the APM30 are the electrical specifications, engineering
specifications, surge protection specifications, and requirements for the operational
environment.
2.3.1 Electrical Specifications of the APM30
The electrical specifications of the APM30 are the AC input, DC output, and protection features.
2.3.2 Engineering Specifications of the APM30
The engineering specifications of the APM30 include the cabinet weight, cabinet dimensions,
base dimensions, space for transmission equipment, and waterproof and dustproof
specifications.
2.3.3 Surge Protection Specifications of the APM30
The APM30 provides surge protection for the AC input, DC output, and signal input ports. This
topic describes the surge protection specifications of the APM30.
2.3.4 Environment Requirements of the APM30
The environment requirements of the APM30 include the working temperature, direct sunlight
intensity, relative humidity, altitude, and storage temperature.
2.3.1 Electrical Specifications of the APM30
The electrical specifications of the APM30 are the AC input, DC output, and protection features.
Table 2-4Electrical specifications of the APM30
Item Specification
ACinput
Inputvoltage
range
176 V AC to 290 V AC
Typical
input
voltage
200 V AC to 240 V AC
Frequency
of input
voltage
45 Hz to 65 Hz
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Item Specification
Maximum
input current
22A
Input mode 220 V AC to 240 V AC single-phase three-wire input or 110 V ACdual-live-wire input
DC
output
Output
voltage
range
58 V DC to 44 V DC
Output
current
range
0 A to 60 A
Typical
output
voltage
53.5 V DC
DC outputs l Working with the distributed base station: four load low voltage
disconnect (LLVD) MCBs and four battery low voltage
disconnect (BLVD) MCBs
l Working with the mini base station: two LLVD MCBs and four
BLVD MCBs
Protec
tion
Input l Overvoltage protection: The system generates an alarm when the
input voltage exceeds the AC overvoltage alarm threshold (280 V
by default).
l
Undervoltage protection: The system generates an alarm when theinput voltage is lower than the AC undervoltage alarm threshold
(180 V by default).
Output l Overvoltage protection: The system generates an alarm when the
busbar voltage exceeds the DC overvoltage alarm threshold (58
V by default).
l Undervoltage protection: The system generates an alarm when the
busbar voltage is lower than the DC undervoltage alarm threshold
(45 V by default).
l The APM30 also has the features such as overcurrent protection
and short-circuit protection.
Power AC input
power
3855 W
DC output
power
3200 W
Internal heat
consumptio
n
350 W
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2.3.2 Engineering Specifications of the APM30
The engineering specifications of the APM30 include the cabinet weight, cabinet dimensions,
base dimensions, space for transmission equipment, and waterproof and dustproof
specifications.
Table 2-5Engineering specifications of the APM30
Item Specification
Weight
(without batteries or
transmission equipment)
< 55 kg
Cabinet dimensions
without the base (W x H x D)
600 mm x 700 mm x 480 mm
Base dimensions (W x H x D) 600 mm x 200 mm x 480 mm
Space for user equipment (W
x H x D)
l With 48 V 12 AH or 48 V 24 AH built-in batteries:
482.6 mm x 222.25 mm x 400 mm (19 in. in width, 5 U
in height, 400 mm in depth)
l With 48 V 36 AH built-in batteries: 482.6 mm x 88.9
mm x 400 mm (19 in. in width, 2 U in height, 400 mm in
depth)
l Without built-in batteries: 482.6 mm x 311.15 mm x 400
mm (19 in. in width, 7 U in height, 400 mm in depth)
Dustproof and waterproof IP55
2.3.3 Surge Protection Specifications of the APM30
The APM30 provides surge protection for the AC input, DC output, and signal input ports. This
topic describes the surge protection specifications of the APM30.
Table 2-6Surge protection specifications of the APM30
Item Specification
Surge protection for AC
input
Working with distributed base stations:
l Rated through-current capacity In (8/20 s): 20 kA
l Maximum through-current capacity Imax (8/20 s): 40kA
Working with mini base stations:
l Rated through-current capacity In (8/20 s): 20 kA
l Maximum through-current capacity Imax (8/20 s): 60 kA
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Item Specification
Surge protection for DC
output
l Differential mode (8/20 s): 3 kA
l Common mode (8/20 s): 5 kA
The loads that use the ports for DC power outputs are secondary
loads, that is, distributed base stations and mini base stations.
Surge protection for signal
input ports
l Differential mode (8/20 s): 3 kA
l Common mode (8/20 s): 5 kA
2.3.4 Environment Requirements of the APM30
The environment requirements of the APM30 include the working temperature, direct sunlight
intensity, relative humidity, altitude, and storage temperature.
The APM30 is adaptable to category C outdoor environment. Table 2-7describes the
environmental conditions of the APM30.
Table 2-7Environmental conditions of the APM30
Item Specification Remarks
Working
temperatur
e
40to +50 When the ambient temperature is
lower than 20C, an AC heater is
required.
Directsunlight
intensity
1120 W/m2
Relative
humidity
0% RH to 100% RH
Altitude < 4000 m The maximum working temperature
decreases by 1C each time the altitude
increases by 300 m from 2000 m.
Wind
speed
67 m/s -
Storage
temperatur
e
40to +70 -
Sound
power
l Night: 66.5 dBA
l Day: 75.7 dBA
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NOTE
1. Category C environment refers to ocean surface, outdoor land near pollution sources, and places with
weak shield (for example, a canopy).
2. The outdoor land near pollution sources refers to the following areas:
l 3.7 km away from a salt lake or ocean
l 3 km away from severe pollution sources such as a metal production plant, a coal mine, and a
thermal electricity plant and 2 km away from moderate pollution sources such as a chemical plant,
a rubber mill, and an electroplating plant
l 1 km away from light pollution sources such as a food product factory, a leather product factory,
and a heating boiler factory
2.4 Typical Applications of the APM30The APM30 applies to distributed base stations and mini base stations. The APM30 provides
48 V DC power and battery backup power for distributed base stations and mini base stations
and also space for installing the BBU3806 and user equipment.2.4.1 APM30 Working with Distributed Base Stations
The typical configuration for the APM30 working with distributed base stations is one APM30,
one BBU3806, three RRU3801Cs, and the transmission equipment. The transmission equipment
is optional. Whether to configure the transmission equipment depends on the field conditions.
2.4.2 APM30 Working with Mini Base Stations
The typical configuration for the APM30 working with a mini base station is one APM30, one
extended battery cabinet, one mini base station, and the transmission equipment. The
transmission equipment is optional. Whether to configure the transmission equipment depends
on the actual conditions.
2.4.1 APM30 Working with Distributed Base Stations
The typical configuration for the APM30 working with distributed base stations is one APM30,
one BBU3806, three RRU3801Cs, and the transmission equipment. The transmission equipment
is optional. Whether to configure the transmission equipment depends on the field conditions.
Power Backup with Built-in Batteries
The built-in batteries of the APM30 are applied to the distributed base stations, such as RRUs,
as shown in Figure 2-5.
Figure 2-5APM30 working with three RRUs
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l The BBU3806 and transmission equipment can be installed in the APM30. The APM30
has a built-in power system to supply 48 V DC power to distributed base stations and
transmission equipment. It also charges the batteries in the APM30 cabinet.
l The transmission equipment in the APM30 transmits signals to distributed base stations.
l The BBU3806 installed in the APM30 processes baseband signals for distributed basestations.
l In the absence of mains, the built-in battery group of the APM30 supplies 48 V DC power
to distributed base stations and transmission equipment. A group of 48 V 12 AH, 48 V
24 AH, and 48 V 36 AH built-in batteries in the APM30 are used for power backup.
Power Backup with an Extended Battery Cabinet
The extended battery cabinet of the APM30 is applied to the distributed base stations, such as
RRUs, as shown in Figure 2-6.
Figure 2-6APM30 (with an extended battery cabinet) working with RRUs
l The BBU3806 and transmission equipment can be installed in the APM30 cabinet. The
APM30 has a built-in power system to supply 48 V DC power to distributed base stations
and transmission equipment. It also charges the batteries in the extended battery cabinet.
l The transmission equipment in the APM30 transmits signals to distributed base stations.
l The BBU3806 installed in the APM30 processes baseband signals for distributed base
stations.
l In the absence of mains, the 48 V 50 AH or 48 V 200 AH built-in battery group in the
extended cabinet supplies 48 V DC power to distributed base stations and transmission
equipment.
2.4.2 APM30 Working with Mini BaseStations
The typical configuration for the APM30 working with a mini base station is one APM30, one
extended battery cabinet, one mini base station, and the transmission equipment. The
transmission equipment is optional. Whether to configure the transmission equipment depends
on the actual conditions.
When the APM30 works with a GSM mini base station, an extended battery cabinet is requiredto back up power for the mini base station, as shown in Figure 2-7.
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The extended battery cabinet can only be installed on the floor. In this scenario, it should be
placed near or under the APM30 cabinet.
Figure 2-7APM30 working with a GSM mini station
l The APM30 provides a space of 7 U high for the transmission equipment and has a built-
in power system to supply 48 V DC power to mini base stations and transmission
equipment. It also charges the batteries in the extended battery cabinet.
l The transmission equipment in the APM30 transmits signals to mini base stations.
l In the absence of mains, the 48 V 50 AH or 48 V 200 AH built-in battery group supplies
48 V DC power to mini base stations and transmission equipment.
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3Extended Battery CabinetAbout This Chapter
The APM30 and the extended battery cabinet works together to supply power to mini base
stations or distributed base stations. The extended battery cabinet is optional. It is configured
with a 48 V 200 AH built-in battery group to supply backup power for a long period of time
in special cases.
3.1 Structure of the Extended Battery Cabinet
This describes the structure of the extended battery cabinet. A good knowledge of the structure
can help you use the extended battery cabinet correctly.
3.2 TechnicalSpecifications of the Extended Battery Cabinet
The technicalspecifications of the extended battery cabinet include the weight, dimensions,
waterproof and dustproof requirements, and installation methods.
3.3 Application of the Extended Battery Cabinet
The extendedbattery cabinet can be configured with a maximum of 200 AH built-in batteries
to supply backup power to distributed base stations and mini base stations for a relatively long
period of time.
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3.1 Structure of the Extended Battery Cabinet
This describes the structure of the extended battery cabinet. A good knowledge of the structure
can help you use the extended battery cabinet correctly.
Appearance of the Extended Battery Cabinet
Figure 3-1shows the extended battery cabinet.
Figure 3-1Extended battery cabinet
Structure of the Extended Battery Cabinet
Figure 3-2shows the internal structure and cable holes of the extended battery cabinet.
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Figure 3-2Internal structure and cable holes of the extended battery cabinet
(1) Protecting hood for the
copper busbar
(2) Cable hole for the AC
power cable
(3) Cable hole for the signal
cable
(4) Cable hole for the DC
power cable
(5) Side cable hole (6) Guide rail (7) Waterproof box
Figure 3-3shows the cable holes at the bottom of the extended battery cabinet.
Figure 3-3Cable holes at the bottom of the extended battery cabinet
(1) Cable hole for the DC power cable (2) Cable hole for the signal cable (2) Cable hole for the AC power cable
Internal Cabling of the Extended Battery Cabinet
l There is a cable hole on each side of the battery cabinet. The one on the left side is for the
AC power cable and the one on the right side is for the DC power cable and monitoring
cable.
l
The side cable hole has a waterproof box, which prevents water from entering the batterycabinet.
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