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This document describes the process of installing a DC blade RRU3262 (referred to as RRU in
this document).
Product Versions
The following table lists the product versions related to this document.
About This Document
About This Document
Product NameSolution VersionProduct Version
DBS3900
Intended Audience
This document is intended for:
Base station installation engineers
Organization
1 Changes in RRU3262 Installation Guide
This section describes the changes in the RRU3262 Installation Guide.
l SRAN8.0 and later
versions
l eRAN6.0 and later
versions
V100R008C00 and later
versions
2 Installation Preparations
This chapter describes the reference documents, tools, and instruments that must be ready before
the installation. In addition, it specifies the skills and prerequisites that installation engineers
must have.
3 Information About the Installation
Before installing an RRU, you must be familiar with its exterior, ports, indicators, installation
options and installation clearance requirements.
Issue 01 (2014-11-20)Huawei Proprietary and Confidential
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Calls attention to important information, best practices and
tips.
NOTE is used to address information not related to personal
injury, equipment damage, and environment deterioration.
General Conventions
The general conventions that may be found in this document are defined as follows.
ConventionDescription
Times New RomanNormal paragraphs are in Times New Roman.
BoldfaceNames of files, directories, folders, and users are in
boldface. For example, log in as user root.
ItalicBook titles are in italics.
Courier New
Examples of information displayed on the screen are in
Courier New.
Command Conventions
The command conventions that may be found in this document are defined as follows.
ConventionDescription
BoldfaceThe keywords of a command line are in boldface.
ItalicCommand arguments are in italics.
[ ]Items (keywords or arguments) in brackets [ ] are optional.
{ x | y | ... }Optional items are grouped in braces and separated by
vertical bars. One item is selected.
[ x | y | ... ]Optional items are grouped in brackets and separated by
vertical bars. One item is selected or no item is selected.
{ x | y | ... }
*
Optional items are grouped in braces and separated by
vertical bars. A minimum of one item or a maximum of all
items can be selected.
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2.2 Tools and Instruments....................................................................................................................................................4
2.3 Skills and Requirements for Onsite Personnel...............................................................................................................6
3 Information About the Installation...........................................................................................7
3.5 Installation Clearance Requirements of an RRU..........................................................................................................23
3.5.1 Clearance for a Single RRU......................................................................................................................................23
3.5.2 Clearance for Three or More RRUs...........................................................................................................................27
3.5.3 Installation Spacing Between RRUs..........................................................................................................................31
4 Unpacking the Equipment.........................................................................................................34
6 (Optional) Installing the Plastic Shells of the RRU..............................................................37
7 Hoisting an RRU and Related Cables onto a Tower............................................................40
7.1 Hoisting an RRU onto a Tower....................................................................................................................................41
7.2 Hoisting Fiber Optic Cables onto a Tower...................................................................................................................45
7.3 Hoisting Power Cables onto a Tower...........................................................................................................................47
8 Installing the RRU.......................................................................................................................50
8.1 Mounting Kits for an RRU...........................................................................................................................................51
8.2 Installing the RRU on a Pole........................................................................................................................................52
8.2.1 Installing a Single RRU.............................................................................................................................................52
8.2.2 Installing Two RRUs.................................................................................................................................................55
8.2.3 Installing Three or More RRUs.................................................................................................................................59
8.3 Installing an RRU on U-steel .......................................................................................................................................64
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8.4 Installing an RRU on Angle Steel................................................................................................................................69
8.5 Installing an RRU on a Wall.........................................................................................................................................74
8.6 Installing an RRU on an IFS06.....................................................................................................................................79
9.5 Installing an RRU PGND Cable...................................................................................................................................98
9.6 Installing an RRU RF Jumper....................................................................................................................................100
9.7 Installing an RRU AISG Multi-Wire Cable and AISG Extension Cable...................................................................103
9.8 Installing an RRU Alarm Cable..................................................................................................................................105
9.9 Opening the Cover Plate of an RRU Cabling Cavity.................................................................................................107
9.10 Installing a CPRI Optical Cable...............................................................................................................................108
9.11 Installing an RRU Power Cable................................................................................................................................110
9.12 Closing the Cover Plate of an RRU Cabling Cavity................................................................................................112
10 Checking the RRU Hardware Installation..........................................................................115
11 Powering On an RRU.............................................................................................................116
This chapter describes the reference documents, tools, and instruments that must be ready before
the installation. In addition, it specifies the skills and prerequisites that installation engineers
must have.
2.1 Reference Documents
Before the installation, you must be familiar with reference documents.
2.2 Tools and Instruments
You must prepare the following tools and instruments before the installation.
2.3 Skills and Requirements for Onsite Personnel
Onsite personnel must be qualified and trained. Before performing any operation, onsite
personnel must be familiar with correct operation methods and safety precautions.
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Onsite personnel must be qualified and trained. Before performing any operation, onsite
personnel must be familiar with correct operation methods and safety precautions.
Before the installation, pay attention to the following items:
lThe customer's technical engineers must be trained by Huawei and be familiar with the
proper installation and operation methods.
lThe number of onsite personnel depends on the engineering schedule and installation
environment. Generally, only three to five onsite personnel are necessary.
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RRU3262
Installation Guide3 Information About the Installation
3 Information About the Installation
About This Chapter
Before installing an RRU, you must be familiar with its exterior, ports, indicators, installation
options and installation clearance requirements.
3.1 RRU Exterior
This section describes the exterior and dimensions of an RRU.
3.2 RRU Ports
This section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavity
panel, and indicator panel.
3.3 RRU Indicators
This section describes six indicators on an RRU. They indicate the running status of the RRU.
3.4 Installation Scenarios
An RRU can be installed on a pole, U-steel, angle steel, wall, or IFS06. Installation scenarios
must meet heat-dissipation and waterproofing requirements of the RRU.
3.5 Installation Clearance Requirements of an RRU
This section describes the requirements for the installation clearance of a single RRU and
multiple RRUs and the requirements for the installation spacing between RRUs.
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RRU3262
Installation Guide3 Information About the Installation
IndicatorColorStatusMeaning
Blinking (on for
0.125s and off for
The board software is being loaded or the
board is not working.
0.125s)
ALMRedSteady onAlarms are generated, and the module must
be replaced.
Blinking (on for
1s and off for 1s)
Alarms are generated. The alarms may be
caused by faults on the related board or ports.
Therefore, you need to locate the fault before
deciding whether to replace the module.
Steady offNo alarms are generated.
ACTGreenSteady onThe board is working properly when TX
channels are enabled or software is being
loaded to a board that is not started.
Blinking (on for
1s and off for 1s)
The board is running with TX channels
disabled.
VSWRRedSteady offNo voltage standing wave ratio (VSWR)
alarm is generated.
Blinking (on for
1s and off for 1s)
VSWR alarms are generated on the
ANT_TX/RXB port.
CPRI0Red and
green
CPRI1Red and
green
Steady onVSWR alarms are generated on the
ANT_TX/RXA port.
Blinking (on for
0.125s and off for
VSWR alarms are generated on the
ANT_TX/RXA and ANT_TX/RXB ports.
0.125s)
Steady greenThe CPRI link is running properly.
Steady redAn optical module fails to receive or transmit
signals possibly because the optical module
is faulty or the optical fiber is broken.
Blinking red (on
for 1s and off for
1s)
The CPRI link is out of lock because of faults
on the mutual lock of dual-mode clock
sources or mismatched data rates on CPRI
ports.
Steady offThe optical module cannot be detected or is
powered off.
Steady greenThe CPRI link is running properly.
Steady redAn optical module fails to receive or transmit
signals possibly because the optical module
is faulty or the optical fiber is broken.
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RRU3262
Installation Guide3 Information About the Installation
IndicatorColorStatusMeaning
Blinking red (on
for 1s and off for
1s)
Steady offThe optical module cannot be detected or is
3.4 Installation Scenarios
An RRU can be installed on a pole, U-steel, angle steel, wall, or IFS06. Installation scenarios
must meet heat-dissipation and waterproofing requirements of the RRU.
Requirements for the Installation Scenarios
Application scenarios:
To ensure proper heat dissipation of the RRU, the following requirements must be met:
lThe RRU cannot be installed in an enclosed cabinet without a cooling system.
lThe RRU cannot be installed in an enclosed camouflage box.
The CPRI link is out of lock because of faults
on the mutual lock of dual-mode clock
sources or mismatched data rates on CPRI
ports.
powered off.
lThe RRU cannot be installed in an enclosed equipment room without a cooling system.
lWhen multiple RRUs are installed in centralized mode, the minimum clearance
requirements must be met. For details about the minimum clearance requirements, see 3.5.2
Clearance for Three or More RRUs and 3.5.3 Installation Spacing Between RRUs.
lRRU mounting kits in assembled installation mode are not allowed in indoor scenarios.
NOTICE
If the RRU is inappropriately installed, heat dissipation of the RRU deteriorates and the RRU
may not work properly, as shown in Figure 3-4.
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RRU3262
Installation Guide3 Information About the Installation
Figure 3-4 inappropriately installed RRU
Correct installation methods:
lThe installation supports' specifications described in this document are only based on the
exterior and dimensions of the mounting kits. Before installing equipment, assess the
strength and reliability of the installation support to determine whether it can bear the weight
of the equipment.
lTo ensure the heat dissipation of the RRU and waterproofing of the ports at the bottom of
the RRU, the vertical deviation angle of an RRU must be less than or equal to 10 degrees,
as shown Figure 3-5.
lOn a tower, an RRU can be installed on a pole, angle steel, or U-steel. The side-mounted
installation mode (one side instead of the rear of an RRU is mounted on the support) is
recommended for RRUs on the main pole secured on a tower. This installation mode allows
multiple RRUs to be installed next to each other at the same level on a pole. When the
horizontal distance between the main and auxiliary poles on a tower is equal to or greater
than 810 mm (23.62 in.), the side-mounted mode is recommended for installing RRUs on
the auxiliary pole to meet the minimum clearance requirements. Otherwise, the standard
mode is recommended for installing RRUs on the auxiliary pole.
Figure 3-5 Requirements for the vertical deviation angle of an RRU
(1) RRU
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(2) Installation support (pole, U-steel, angle steel, or wall)
lThe upper and lower adjustable beams on an IFS06 can be moved up and down to fit for
heights of RRUs.
lThe IFS06 supports at least three RRUs when the ambient temperature is higher than or
equal to the lowest operating temperature of the RRUs and at least 5°C (41°F) lower than
the highest operating temperature of the RRUs. The IFS06 supports a maximum of six
RRUs when the ambient temperature is higher than or equal to the lowest operating
temperature of the RRUs and at least 10°C (50°F) lower than the highest operating
temperature of the RRUs.
NOTE
For details about the operating temperature of the RRUs, see section "Technical Specifications of
RRUs" in 3900 Series Base Station Technical Description.
NOTICE
The mounting brackets for multiple RRUs cannot be combined when the RRUs are installed on
an IFS06, as shown in Figure 3-18.
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