AAU5636 (2300-2600 MHz)
Installation Guide Issue
03
Date
2022-10-25
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2022. All rights reserved. No part of this document may be reproduced or transmitted transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders.
Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specied specied in in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every efort efort has has been made in the preparation prepar ation of this document to ensure accuracy of the contents, but all statements, information, and recommendationss in this document do not constitute a warranty of any kind, express or implied. recommendation
Huawei Technologies Co., Ltd. Address:
Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China
Website:
https://www.huawei.com
Email:
[email protected]
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Contents
Contents AAU5636 Installation Guide.... 1 AAU5636 Guide............... ...................... ...................... ...................... ...................... ...................... ...................... ...................... ................ ..... 1 1.1 Changes Changes in AAU5636 Installation Guide....... Guide.................. ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... .................... ......... 2 1.2 Installation Installation Preparations.. Preparations................ ............................ ............................ ............................ ............................ ............................ ............................ ............................ ............................. ............................. ...................... ........ 3 1.2.1 Documents....... Documents.................. ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ................... ......... 3 1.2.2 Tools and and Instruments... Instruments............. ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ............. ... 3 1.2.3 Requirements Requirements for Onsite Personnel.... Personnel............... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... .................. ........5 5 1.3 Installation Installation Scenarios...... Scenarios................. ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ............... .... 6 1.3.1 Requirements Requirements for the Pole....... Pole................. ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... .............. 6 1.3.2 Installation Installation Clearance Requirements.. Requirements............ ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................. ....... 9 1.4 Unpacking Unpacking Check...... Check................ ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... .................... .......... 12 1.5 Installation Installation
Process...............................................................................................................................................................14
1.6 Installing Installing an Optical Module..... Module................ ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... .................... ......... 15 1.7 Preparing Preparing PGND and Power Cables................................................................................................................................17 1.8 Assembling Assembling Mounting Kits......... Kits.................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... .....................17 ..........17 1.9 Installing Installing an Upper Main Brack Bracket et onto a Pole........ Pole................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ............... ..... 23 1.10 Lifting an AAU....... AAU.................. ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ............ 25 1.10.1 Binding Binding an AAU........ AAU................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ............... ..... 26 1.10.2 Lifting Lifting an Assembled AAU onto a Tower................................................................................................................27 1.10.2.1 Lifting Lifting an AAU onto a Tower...................................................................................................................................27 1.10.2.2 Lifting Lifting Optical Fibers onto a Tower.......................................................................................................................30 1.10.2.3 Lifting Lifting Power Cables onto a Tower....... ower.................. ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... .................. ....... 33 1.10.3 Lifting Lifting an Assembled AAU onto a Rooftop..... Rooftop............... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ...................36 .........36 1.10.4 Installing Installing an AAU onto a Pole....... Pole................. ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... .......... 38 1.11 Installing Installing Cables....... Cables................. ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ................... .........43 43 1.11.1 Cabling Cabling Requirement Requirements........... s...................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... .......... 43 1.11.2 Cables Cables Connections.... Connections.............. ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .............. 51 1.11.3 Installing Installing an AAU PGND Cable........ Cable.................. ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................. ....... 51 1.11.4 Installing Installing Power Cables........ Cables.................. ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... .............. 53 1.11.5 Installing Installing a CPRI Optical Fiber.......... Fiber.................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................59 ........59 1.12 Adjusting the Mechanical Downtilt..............................................................................................................................68 1.13 Installation Checklist.... Checklist............... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... ..................... .................... ............. ... 71 1.14 Powering On an AAU........ AAU.................. ..................... ..................... ..................... ..................... ..................... ..................... .................... ..................... ..................... ..................... ..................... ..................... ................... ........ 72 1.15 Appendix Appendix............... ............................. ............................ ............................ ............................ ............................ ............................ ............................ ............................ ............................ ............................. ............................. .................... ...... 73 Issue 03 (2022-10-25)
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Contents
Quick-Lock Power Connector to the AAU Power Cable on the AAU Side...........74 1.15.1 Adding an Outdoor Quick-Lock
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AAU5636 AAU56 36 Installation Guide
Overview This document document describes the procedures for installing an active antenna unit 563 5636 6 (AAU5636, which is referred to as AAU in this document), document), its cables, and auxiliary hardware. It also provides checklists for hardware hardware installation.
Product Versions The following table lists the product versions related to this document. Product Name
Solution Version
Product Version
AAU5636
SRAN16.1 and later
V100R016C10 and later
Intended Audience ●
System engineers
●
Ins Install tallat atio ion n eng enginee ineers rs
●
Maintenance eng engineers
Organization 1.1 Changes in AAU5636 Installation Guide This section describes the changes in AAU5636 Installation Guide . 1.2 Installation Preparations This section describes the reference documents, tools, and instruments that must be ready before the installation. In addition, it species species the the required skills and qualications for qualications for installation engineers. 1.3 Installation Scenarios This section describes the information i nformation to be known before the AAU installation, which includes the requirements for the pole where the AAU is installed and installation clearance requirements. 1.4 Unpacking Check Issue 03 (2022-10-25)
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This section describes how to unpack the packages and check whether all the materials are included and intact. 1.5 Installation Process This section describes the process of installing an AAU. 1.6 Installing an Optical Module 1.7 Preparing PGND and Poto Power wer CablesPGND ThisPreparing PGND section describes how prepare PGND and power cables for the AAU. 1.8 Assembling Mounting Kits This section describes the procedure and precautions for assembling and installing AAU mounting kits. 1.9 Installing an Upper Main Bracket onto a Pole This section describes the procedure and precautions for lifting and installing an upper main bracket onto a pole. 1.10 Lifting an AAU This section uses the AAU with the downtilt supporting arm installed on the upper handle as an example to describe the procedures and precautions for lifting and installing an AAU onto a tower and a rooftop. 1.11 Installing Cables This section describes the procedures and precautions for installing cables. 1.12 Adjusting the Mechanical Downtilt This section describes section describes the procedure and precautions for adjusting the mechanical downtilt of an AAU. 1.13 Installation Installation Checklist This chapter chapter describes the checklist for for AAU AAU hardware installation. 1.14 Powering Powering On an AAU This section describes section describes the procedure and and precautions for powering on an AAU. 1.15 Appendix Appendix This section describes section describes auxiliary operations during the installation process.
1.1 Changes in A AU5636 Installation Installation Guide This section describes section describes the changes in AAU5636 Installation Guide .
03 (2022-10-25) This is the second commercial release. Compared with Issue 02 (2022-09-19), this issue does not include any new topics or exclude any any topics. Compared with Issue 02 (2022-09-19), this issue includes the following changes. Topic
Change Description
1.3.2 Installation Clearance Requirements
Updated the AAU installation dimensions for reference. reference.
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02 (2022-09-19) This is the second commercial release. Compared with Issue 01 (2021-06-30), this issue does not include any new topics or exclude any topics. Compared with Issue 01 (2021-06-30), (2021-06 -30), this issue includes the following changes. Topic
Change Description
1.15.1 Adding an Outdoor QuickLock Power Connector to the AAU Power Cable on the AAU Side
Revised descriptions in this document.
01 (2021-06-30) This is the rst rst commercial commercial release. Compared with Draft A (2021-02-28), this issue does not include any new topics or changes, or exclude any topics.
Draftt A (2021-02-28) Draf This is a draft.
1.2 Installation Preparations This section describes the reference documents, tools, and instruments that must be ready before the installation. In addition, it species species the the required skills and qualications for qualications for installation engineers.
1.2.1 Documents Before the installation, familiarize yourself with the information in the following documents: ●
Safety Information ion
●
AAU5 AAU563 636 6 Har Hardwar dware e Desc Descri ript ptio ion n
●
DBS3 DBS390 900 0 & DBS5 DBS590 900 0 Inst Instal alla lati tion on G Gui uide de
1.2.2 Tools and Instruments Instruments The following following primary and auxiliary installation tools tools must be ready before the installation.
Primary Installation Tools The primary installation tools must be provided forand onsite installation, such as tools for measuring dimensions, preparing cables, fastening. The primary Issue 03 (2022-10-25)
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installation tools are classied classied into into basic tools and extended tools, as listed in Table 1-1 1-1 and and Table 1-2, 1-2, respectively. Table 1-1 Basic 1-1 Basic tools Multi-purpose wire stripper (for stripping
Torque screwdriver (1.4 N·m [12.39 lbf·in.] and
wires, cutting wires, and crimping OT terminals)
4.8 N·m [42.48 lbf·in.])
Torque wrench (50 N·m [442.54 lbf·in.])
M12
M3 and M6 Heat gun
Measuring tape
Compass
Inclinometer
Adjustable torque wrench (size ≥ 32 mm [1.26 in.])
-
Table 1-2 Extended 1-2 Extended tools Pole-mounted Scenario
Tower-mounted Scenario
Installation rope (load bearing capacity > 500 kg [1102.50 lb])
Installation rope (load bearing capacity > 500 kg [1102.50 lb])
Fixed pulley (load bearing capacity > 500 kg [1102.50 lb])
Fixed pulley (load bearing capacity > 500 kg [1102.50 lb])
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Pole-mounted Scenario
Tower-mounted Scenario
-
Winch
Auxiliary Installation Tools Tools The auxiliary installation tools provide protection or facilitate the installation, as listed in Table 1-3 1-3.. Table 1-3 Auxiliary 1-3 Auxiliary installation tools Protective gloves
ESD gloves
Utility knife
Diagonal pliers
-
-
1.2.3 Requirements for Onsite Personnel Onsite personnel must be qualied qualied and 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: ●
The cust custome omer's r's tech technic nical al engin engineer eerss must must be tr train ained ed by Huaw Huawei ei and and be familiar with the the proper installation installation and operation methods.
●
The numb number er of insta installa llatio tion n person personnel nel depe depends nds on on the engi enginee neerin ring g sch schedu edule le and installation environment. Generally, Generally, four to ve ve installation installation persons are required. For a small and light AAU, for example, an Easy Macro, only two persons are required.
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1.3 Installation Scenarios This section describes the information i nformation to be known before the AAU installation, which includes the requirements for the pole where the AAU is installed and installation clearance requirements.
1.3.1 Requirements for the Pole An AAU can be installed on a pole on the rooftop or tower tower..
Restrictions To ensure safety performance such as heat dissipation and waterproof of an AAU, the installation scenario must meet certain c ertain requirements. If the installation scenario does not meet the requirements, contact Huawei engineers for evaluation. ●
An AAU AAU can canno nott be be inst instal alle led d in in an an enc enclo lose sed d camouage camouage box box or a camouage cover.
●
An AAU AAU cannot cannot be insta installe lled d be behin hind d a devic device e that that ca can n gener generate ate an an electromagnetic eld, eld, such such as a motor.
●
An AAU AAU cannot cannot be be instal installed led near near an an air vent vent that that gene genera rates tes heat, heat, ssuch uch as as an air conditioner air vent or chimney vent.
●
An AAU AAU can only only be inst install alled ed on on a pole pole that that is verti vertical cal to to the the groun ground. d. It It cannot be installed on a diagonal pole or a horizontal pole.
●
In ge gen ner eral al,, no fur urth ther er beautication beautication (for (for example, coating) is allowed to avoid afecting the afecting the device performance.
●
An AAU AAU is a prof profess ession ional al commu communic nicatio ation n device device and and canno cannott be insta installe lled d in areas that are easily accessible to common c ommon people. The installation scenario involves security-related features. For details about the requirements and precautions, see Security Information .
Installation Scenario Description An AAU5636 can be installed on a pole secured on a rooftop or tower, as shown in the following gure.
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Figure 1-1 AAU 1-1 AAU installed on a pole
NOT NO T
Appearance is already considered in the AAU design, and in general no further beautication is beautication is allowed in the installation process. Should you need further beautication, contact Huawei engineers for evaluation.
Requirements for the Pole The following table describes the requirements for the pole. Table 1-4 Requirements 1-4 Requirements for the pole Installation Scenario
Pole Diameter (Φ)
Pole Wall Thicknes s
Pole Load Bearing Capacity
Number of AAUs
Pole Heightc
Main pole scenarioa
70 mm ≤ Φ ≤ 100 mm (2.76 in. ≤ Φ ≤ 3.94 in.)
4 mm (0.16 in.)
300 kg (661.50 lb)
1
≥ 1500 mm (59.06 in.)
100 mm ≤ Φ ≤ 114 mm (3.94 in. ≤ Φ
4 mm (0.16 in.)
300 kg (661.50 lb)
2
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Installation Scenario
Pole Diameter (Φ)
Pole Wall Thicknes s
Pole Load Bearing Capacity
Number of AAUs
Pole Heightc
Auxiliary pole
50 mm ≤ Φ ≤ 60 mm
4 mm (0.16 in.)
300 kg (661.50 lb)
1
≥ 1000 mm (39.37 in.)
3 mm (0.12 in.)
300 kg (661.50 lb)
1
b
scenario
(1.97 ≤Φ ≤ 2.36in. in.) 60 mm ≤ Φ ≤ 114 mm (2.36 in. ≤ Φ ≤ 4.49 in.)
a: In main pole scenarios, the bottom of the pole must be secured on a support. b: In auxiliary pole scenarios, both the pole top and bottom must be secured on the main pole or the tower. c: The pole height refers to the minimum length of a pole required for installing an AAU. 1-2 and Figure 1-3 show Figure 1-2 and 1-3 show AAUs installed on main poles and auxiliary poles, respectively. Figure 1-2 Main 1-2 Main pole scenario
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Figure 1-3 Auxiliary 1-3 Auxiliary pole scenario
1.3.2 Installation Clearance Requirements This section describes the clearance c learance requirements requirements for installing an AAU. 1-4 shows the installation clearance requirements and Figure 1-6 Figure 1-4 shows 1-6 shows shows the reference reference installation installation dimensions when no blocking exists between the AAU the AAU and a passive antenna. NOT NO T
Installation distances in the following gures gures meet meet the requirements on minimum clearances and isolation between antennas. Contact local Huawei engineers in any of o f the following scenarios: ● The installa installation tion space space is li limited mited and and block blocking ing exis exists ts between between antenna antennas. s. ● A TDD AAU AAU is ad adjacent jacent to an FD FDD D ante antenna nna or F FDD DD AAU. AAU. In tthis his scen scenario, ario, PIM interference between antennas must be considered. co nsidered. ● The operating operating frequen frequencies cies of adjace adjacent nt antennas antennas are 1.8 1.8 GHz and 3.5 GHz (for (for examp example, le, LTE 1.8 GHz (band 3) + NR 3.5 GHz (n77/n78)). In this scenario, the secondary harmonic interference must be considered.
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Figure 1-4 AAU 1-4 AAU installation clearance requirements
NOTICE NO TICE
Keep the area within 2 m (6.56 ft), 30º upward and downward, downward, and 60º leftward and rightward away from the AAU front panel clear of any metal barriers to ensure the AAU coverage, as shown by areas marked by dotted lines in the side view and top view in Figure Afected AAU coverage scope. scope.
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Figure 1-5 1-5 Afected Afected AAU AAU coverage scope
NOT NO T
After theadjustment downtilt supporting arm is the dimensions when there is no mechanical 1-6. downtilt are the same asinstalled, those in Figure 1-6.
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Figure 1-6 AAU 1-6 AAU installation dimensions for reference
1.4 Unpacking Check This section describes how to unpack the packages and check whether all the materials are included and intact.
Context When transporting, moving, or installing the components, you must: ●
Preven Preventt them them from from collid colliding ing w with ith door doors, s, walls walls,, shelve shelves, s, or other other obje objects cts..
●
Wear Wea r clean clean glove gloves, s, and anor d avoid avo id gloves. touch touching ing any any compo componen nents ts with with bare bare hand hands, s, sweat-soaked gloves, dirty
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1 AAU5636 Installation Guide
Do no nott pla place ce mate materi rial alss on on the the AAU AAU.
NOTICE NO TICE
Power on an AAU within 24 hours after unpacking it. it . Prevent water vapor from entering the module, which may impact i mpact its performance.
Procedure Step 1 Check the total number of articles in each packing case against the packing list. If...
Then...
The total number is consistent with the packing list
Go to Step 2. 2.
The total number is not consistent c onsistent with the packing list
Find out the cause and report it to the local Huawei oce.
Step 2 Check the exterior of the packing cases. If...
Then...
The outer packing is intact
Go to Step 3 3..
The outer packing is severely damaged or soaked
Find out the cause and report it to the local Huawei oce.
Step 3 Check the type and quantity of components in the packing cases against the packing lists. If...
Then...
The type and quantity are consistent with the packing list on each packing
Cosign the Packing List with with the customer.
case There is any shortage, wrong delivery, or damaged equipment
Report to the local Huawei oce.
NOTICE NO TICE
Keep the unpacked components and the packing materials indoors to protect the components from damages and to facilitate cause analysis of damages, if any. Take photos of the storage room, any rusted or eroded components, the packing packi ng cases, and the packing materials, and le le the the photos.
Step 4 according Take the record out of the antenna packing case c ase and ll ll in in this form to theform actual situation. Issue 03 (2022-10-25)
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NOT NO T
In AAU cascading scenarios, lling lling out out the record form is required.
----End
1.5 Installation Process This section describes the process of installing an AAU. The following gure gure shows shows the process of installing an AAU. NOT NO T
The process of lifting an AAU includes binding b inding an AAU, lifting the AAU and related cables onto a tower or rooftop, and installing the AAU. The process of installing cables includes installing an AAU PGND cable, installing a power cable, and installing a CPRI optical ber. The operations must be implemented in sequence.
Figure 1-7 Installation 1-7 Installation process
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1.6 Installing an Optical Module Before lifting an AAU, install an optical module on the connector at the bottom of the AAU. NOT NO T
The exterior of a module in this section is for reference only.
Procedure Step 1 Push the dustproof cap cap lever to loosen loosen the dustproof cap on the CPRI port of the AAU. Figure 1-8 Pushing 1-8 Pushing the lever to loosen the dustproof cap
Step 2 Remove the dustproof cap from the CPRI port of the AAU. Figure 1-9 Removing 1-9 Removing the dustproof cap
Step 3 Insert an optical module into the CPRI port of the AAU. Ensure that the optical module is inserted in the correct direction. Slowly push it into the slot horizontally, horizontally, until it is in close contact with the slot and the connector is completely inserted, as 1-10.. The connector is properly fastened. shown in Figure 1-10
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Figure 1-10 Installing 1-10 Installing an optical module
NOT NO T
● When the the optica opticall conne connector ctor is secur securely ely co connecte nnected, d, you will will hear hear a click. click. ● It is recommend recommended ed that th the e optical module module be in install stalled ed on the ground, ground, since since there there is no anti-falling protection for installing the optical module on the tower tower.. ● Ensure Ensure that the optical optical modul module e is installed installed in the corr correct ect direction direction to prevent prevent dam damage age to the module or the CPRI port of the AAU.
NOTICE NO TICE
The of an optical maymodule deteriorate if it iswith exposed to the air for aperformance long time. Therefore, keepmodule the optical plugged a dustproof plug before you connect an optical ber ber to to an optical module. Step 4 Install a dustproof cap on the CPRI port of the AAU. Figure 1-11 Installing 1-11 Installing a dustproof cap
Step 5 Pull the lever to tighten t ighten the dustproof cap on the CPRI port of the AAU.
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Figure 1-12 Pulling 1-12 Pulling the lever to tighten the dustproof cap
----End
1.7 Preparing PGND and Power Cables This section describes how to prepare PGND and power cables for the AAU.
Procedure Step 1 Cut the cables to suit the actual cable routes. Step 2 Add corresponding connectors to both ends of each cable. cable. Cable Type
Reference
PGND cable
Assembling the OT Terminal and the Power Cable in Installation Reference
Power cable
1.15.1 Adding an Outdoor QuickLock Power Connector to the AAU Power Cable on the AAU Side
----End
1.8 Assembling Mounting Kits This section describes the procedure and precautions for assembling and installing AAU mounting kits.
Context ●
The defa default ult mech mechani anical cal down downtil tiltt of the the AAU is is 0°. If If a mec mechan hanical ical down downtil tiltt of a certain degree is required, a downtilt supporting arm needs to be congured.
●
A bolt on on the uppe upperr auxili auxiliary ary brack bracket et and and a bolt on on the lowe lowerr auxili auxiliary ary brack bracket et have pre-secured to the upper main bracket and lower main bracket beforebeen delivery, respectively.
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Figure 1-13 1-13 shows shows AAU mounting kits. Figure 1-13 Mounting 1-13 Mounting kits
No.
Component
Quantity
Description
a
Upper main bracket
1
Secured to the handle of the AAU.
b
Lower main bracket
1
Secured to the handle of the AAU.
c
Auxiliary bracket
2
Assembled with the main bracket for pole-mounted installation.
d
M10x150 bolt for pole-mounted installation
4
Used to assemble a main bracket with an auxiliary bracket.
e
Downtilt supporting arm
1
Secured to the handle of the AAU. It is used to adjust the mechanical downtilt.
●
The foll followi owing ng tabl table e lists lists the the weight weightss of moun mountin ting g kit kitss and hand handles les.. Component
Weight
Upper and lower mounting kits
2.7 kg (5.95 lb lb)
Downtilt supporting arm
1.3 kg (2.87 lb)
Upper and lower handles (including attachment plates)
1.2 kg (2.65 lb)
Procedure Step 1 (Optional) Install the downtilt supporting arm onto the upper handle of the AAU. Issue 03 (2022-10-25)
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1.
Remove Remove the the M10 M10 bolt from from the the outer outer side side of of the AAU AAU downti downtilt lt su suppo pportin rting g arm, as shown by illustration a in Figure 1-14. 1-14.
2.
Install Install the the M10 bolt into the install installation ation hole, and use use a torq torque ue wrench wrench to to tighten the bolt to 40 N·m (354.03 lbf·in.), as shown by illustration b in Figure 1-14. 1-14. NOT NO T
–
If the d downtil owntiltt needs to range range from from 0° to 20°, th the e downtilt downtilt sup supporting porting arm must must be installed instal led on the upper upper handle. If the downtilt needs to range from –20° to 0°, the downtilt supporting arm must be installed on the lower handle.
–
Durin During g the install installation, ation, tthe he angl angle e of the downtilt downtilt suppor supporting ting ar arm m must be be 0°.
–
Af Afte terr bein being g sec secur ured ed to to th the e handle, the downtilt downtilt supporting arm must be perpendicular to the handle.
–
The dow downtilt ntilt su supporti pporting ng arm is not not mandat mandatory ory.. The upper upper and lower lower handles handles of the AAU can be assembled with upper and lower brackets to install the AAU directly. directly.
Figure 1-14 Installing 1-14 Installing a downtilt supporting arm onto the upper handle
(Optional) Install the downtilt supporting arm onto the lower handle of the AAU. 1.
Remove Remove two M10 bolts bolts from the outer side of th the e AAU down downtilt tilt suppor supporting ting arm, as shown in Figure 1-15 1-15..
2.
Install Install the the M10 bolts into the install installation ation holes on the the upper upper han handle, dle, and u use se a torque wrench to tighten the bolt to 40 N·m (354.03 lbf·in.), as shown in Figure 1-16. 1-16.
3.
Remove Remove the the M10 M10 bolt from from the the outer outer side side of of the AAU AAU downti downtilt lt su suppo pportin rting g arm, as shown by step a in Figure 1-17 1-17..
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1 AAU5636 Installation Guide
Instal Installl the down downtil tiltt suppor supportin ting g arm on onto to the the lower lower handl handle e of the AAU. AAU. Specically, install Specically, install the M10 bolt into the installation hole, and use a torque wrench to tighten the bolt to 40 N·m (354.03 lbf·in.), as shown by step b in 1-17. Figure 1-17.
Figure 1-15 Removing 1-15 Removing bolts
Figure 1-16 Installing 1-16 Installing bolts onto the upper handle
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Figure 1-17 Installing 1-17 Installing a downtilt supporting arm onto the lower handle
Step 2 Install the lower main bracket. If...
Then...
A downtilt supporting arm has been installed on the lower
1. Remove Remove the M10 M10 bolt from the ma main in bracket. bracket.
handle of the AAU (scenario 1)
No downtilt supporting arm has been installed on the lower handle of the AAU (scenario 2)
2. Place the the lower main main bracket bracket on on the short short arm of of the downtilt supporting arm, align the short arm end with the holes of the lower main bracket. 3. Secure Secure the M10 screw screw on on the lower lower main main bracket bracket to the handle of the AAU with a torque of 40 N·m (354.03 lbf·in.), as shown in Figure 1-18. 1-18. 1. Remove Remove the M10 M10 bolt from the ma main in bracket. bracket. 2. Place the the lower main main bracket bracket on the the lower handle handle of the AAU, and align the lower handle with the holes of the lower main bracket. 3. Secure Secure the M10 screw screw on on the lower lower main main bracket bracket to the handle of the AAU with a torque of 40 N·m (354.03 lbf·in.), as shown in Figure 1-19 1-19..
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NOT NO T
Pay attention to the direction of the brackets and avoid reverse installation, as shown in the following gure.
Figure 1-18 Installing 1-18 Installing the lower main bracket onto the AAU (scenario 1)
Figure 1-19 Installing 1-19 Installing the lower main bracket onto the AAU (scenario 2)
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1.9 Installing an Upper Main Bracket onto a Pole This section describes the procedure and precautions for lifting and installing an upper main bracket onto a pole.
Procedure Step 1 The installation technician puts the xed xed pulley pulley into a tool kit and then climbs up with the tool kit and a lifting sling. The assembled upper main and auxiliary brackets can be taken by the installation technician or be lifted onto a tower tower,, as shown in the following gure. Figure 1-20 Binding 1-20 Binding upper main and auxiliary brackets
(1) Lifting sling
(2) Traction sling
Step 2 The installation technician marks the position on the pole for installing the upper main bracket according to installation i nstallation clearance requirements. Step 3 The installation technician adjusts the positions of the M10 nuts on the two bolts according to the diameter of the pole, and loosen one bolt. The installation technician moves the auxiliary bracket, horizontally slides the upper main and auxiliary brackets onto the pole, and moves the bolt in the slot of the auxiliary bracket, as shown in the following gure. NOT NO T
Ensure that the arrows on the main bracket are pointing up.
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Figure 1-21 Installing 1-21 Installing the upper main and auxiliary brackets onto the pole
Step 4 The installation technician standing in a proper position on the ground uses a compass to determine the azimuth (the azimuth is set to 120° as an example in this case), and the climber adjusts the azimuth according to the onsite requirements, as shown in the following gure. Figure 1-22 Adjusting 1-22 Adjusting the azimuth
(1) Compass
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Step 5 The installation technician uses a torque wrench to tighten the two M10 bolts on the upper main bracket to 40 N·m (354.03 lbf·in.) to ensure that the upper main 1-23.. and auxiliary brackets are secured to the pole, as shown in Figure 1-23 Figure 1-23 Securing 1-23 Securing the upper main and auxiliary brackets onto the pole
(1) M10 nut
NOT NO T
Tighten the bolts on both sides si des of the bracket, and ensure that the spacing between b etween the upper main bracket and auxiliary bracket is the same on both sides.
NOTICE NO TICE
Ensure that the top screws on both sides of the upper main bracket are raised to prevent them from afecting afecting subsequent subsequent lifting operations. ----End
1.10 Lifting an AAU This section uses the AAU with the downtilt supporting arm installed on the upper handle as an example to describe the procedures and precautions for lifting and installing an AAU onto a tower and a rooftop.
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NOTICE NO TICE
The climber must climb up the tower with the outdoor quick-lock optical ber connector.
1.10.1 Binding an AAU This section describes the procedure and precautions for binding an AAU to be lifted. An AAU can be bound using a cramp ring based on actual conditions.
Prerequisites ●
The screws screws on the the top top of of the the upper upper mai main n brack bracket et are are ra raise ised. d.
●
A cli climber installs a xed xed pulley pulley onto the lifting eye of the upper main bracket or at a position on the upper main bracket that can x a x a xed xed pulley. pulley.
●
A lif lifti ting ng slin sling g is is rrou oute ted d thr throu ough gh th the e xed xed pulley pulley and the two ends of the lifting sling are thrown downward.
Procedure Step 1 The installation technician on the ground binds the lifting sling and traction sling. 1. Route the lifting lifting sling through through the the upper upper handle handle of the the AAU and b bind ind the the 1-24.. lifting sling, as shown by illustration 1 in i n Figure 1-24
C
UTION
The lifting sling must be bound to the beam on the upper handle of the AAU not the downtilt supporting arm.
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Figure 1-24 Binding 1-24 Binding the lifting sling and traction sling
(1) Lifting sling
2.
(2) Traction sling
Route the tract traction ion sling sling through through the lower lower handle handle of the the AAU AAU and bind the traction sling, as shown by illustration 2 in Figure 1-24 1-24..
----End
1.10.2 Lifting an Assembled AAU onto a Tower Tower This section describes the procedure and precautions for lifting an assembled AAU, optical bers, bers, and and power cables onto a tower. tower.
1.10.2.1 Lifting an AAU onto a Tower This section describes the procedure and precautions for lifting an assembled AAU onto a pole on a tower.
Prerequisites The upper main bracket for the AAU has been installed and the AAU has been bound.
NOTICE NO TICE
● Place a fo foam am pad or cardboar cardboard d under an AAU AAU to protect protect the AAU housing housing from from damage. ● When in install stalling ing an AAU AAU onto a tower tower,, use a lifting lifting sling sling and a xed xed pulley pulley to securely bind the AAU or a module. To To prevent any personal injury caused by a falling AAU or module, unfasten the lifting sling only after the AAU is securely installed. The lifting procedure described in this section is i s for reference only. only. Issue 03 (2022-10-25)
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Procedure Step 1 Lift the AAU. ●
If a winch is used, used, installatio installation n technicia technician n C oper operates ates the winch and installatio installation n technician B controls the traction sling to prevent the AAU from colliding with the tower, as shown in Figure 1-25. 1-25.
●
If no winch winch is used, used, inst install allatio ation n techni technician cianss C and D pull pull the lift lifting ing slin sling g downwards, and installation technician B controls the traction sling to prevent 1-26.. the AAU from colliding with the tower, tower, as shown in Figure 1-26
Figure 1-25 Lifting 1-25 Lifting an assembled AAU (using a winch)
(1) Lifting sling
(2) Traction sling
(3) Winch
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Figure 1-26 Lifting 1-26 Lifting an assembled AAU (not using a winch)
(1) Lifting sling
(2) Traction sling
Step 2 When the upper handle is close to the xed xed pulley, pulley, the climber gently holds the AAU and hooks the AAU downtilt supporting arm into the slots of the upper main bracket. Align the holes on the upper main bracket with those on the short arm of the downtilt supporting arm. Push the nuts on both sides of the upper main bracket inwards and tighten them to the recommended torque of 40 N·m (354.03 lbf·in.), as shown in Figure 1-27. 1-27.
C
UTION
● When lif lifting ting an AAU using using a winch, winch, prevent prevent the AA AAU U from being being stuck stuck by the xed pulley xed pulley while the upper handle is i s close to the pulley, avoiding human injury in case that the AAU falls. ● Lean th the e groove groove of the lower lower main bracket bracket against against the the pole to prevent prevent the the AAU from swinging.
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Figure 1-27 Hooking 1-27 Hooking the downtilt supporting arm into the slots of the upper main bracket
(1) Groove ----End
1.10.2.2 Lifting Optical Fibers onto a Tow Tower er This section describes the procedure and precautions for lifting optical bers bers onto onto a tower to wer..
Context Cabling requirements for optical bers bers are are met. For details, see 1.11.1 Cabling Requirements.. Requirements
Procedure Step 1 Lift the optical bers bers onto onto the tower, as shown in Figure 1-28 1-28..
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Figure 1-28 Lifting 1-28 Lifting optical bers bers onto onto the tower
(1) Lifting sling
(2) Fixed pulley
(3) Traction sling
NOTICE NO TICE
Before lifting optical bers bers onto onto the tower, determine the lifting direction based on the labels on both ends indicating which ends connect to the AAU or BBU. 1.
After climbing climbing up to the the tower tower,, install installation ation technician technician A secure securess th the e xed pulley onto the tower platform support and leads the lifting sling through the xed pulley. xed pulley.
2.
Inst Instal alla lati tion on ttech echni nicia cian n B pla place cess th the e ber ber coiler coiler for coiling optical bers bers on on the ber spools, ber spools, and installation engineer D leads the lifting sling through the stretch sling of the optical bers bers and and uses the other sling as a traction sling to secure the optical bers bers 4 4 m (13.12 ft) away from the lifting sling knot, as shown in Figure 1-29. 1-29.
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Figure 1-29 Binding 1-29 Binding optical bers
(1) Lifting sling
(2) Stretch sling
(3) Traction sling
NOTICE NO TICE
Do not remove the stretch sling and protection pipe or bind optical bers using one sling, as shown in Figure 1-30. 1-30.
Figure 1-30 Incorrect 1-30 Incorrect binding method
3.
Inst Instal alla lati tion on ttech echni nicia cian n B rot rotat ates es the the ber ber spools spools at the speed of 5 m (16.40 ft) to 15 m (49.21 ft) per minute to coil the optical bers.
4.
Installatio Installation n technician technician C pulls pulls the the lif lifting ting sling sling downwards downwards,, and installatio installation n technician D pulls the traction sling outwards out wards to prevent the optical bers from colliding with the tower.
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Step 2 Secure the optical bers bers vertically vertically onto the tower using cable clips. Step 3 Remove the lifting sling, traction sling, and protection pipe. NOT NO T
The preceding procedure is only for your reference.
----End
1.10.2.3 Lifting Power Cables onto a Tower This section describes the procedure and precautions for lifting power cables onto a tower to wer..
Context Cabling requirements for power cables on a tower are met. For details, see 1.11.1 Cabling Requirements. Requirements. A connector has been added to the AAU power cable on the AAU side under the tower.
Procedure Step 1 Lift the power cables onto the tower, tower, as shown in Figure 1-31. 1-31. Figure 1-31 Lifting 1-31 Lifting power cables onto a tower
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(1) Lifting sling
(2) Fixed pulley
1.
2.
After climbing climbing up to the the tower tower,, install installation ation technician technician A secure securess th the e xed pulley onto the tower platform support and leads the lifting sling through the xed pulley. xed pulley. Installatio Installation n technician technician B secures secures three three cable cable ties ties below below the the outdoor outdoor q quick uick-lock -lock power connectors to secure the power cables onto the lifting sling, as shown in Figure 1-32. 1-32. Power cables are lifted with the lifting sling. NOT NO T
The power cable connectors in the gure gure are are only examples. The actual connectors may vary according to the situation.
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Figure 1-32 Binding 1-32 Binding the cables with cable ties
3.
Installatio Installation n technicia technician n B wraps wraps the the power power cable connectors connectors with the PVC insulation tape, as shown in Figure 1-33 1-33.. NOT NO T
Wrap the PVC insulation tape from the middle of the connectors until the connectors are xed xed to to the lifting sling.
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Figure 1-33 Wrapping 1-33 Wrapping the connectors with the PVC insulation tape
4.
Installatio Installation n technician technician C pulls pulls the the lif lifting ting sling sling downwards downwards,, and installatio installation n technician B pulls the lifting sling outwards to prevent the cables from colliding with the tower.
Step 2 Secure the power cables onto the tower vertically using cable clips. Step 3 Remove the cable ties, PVC insulation tape, and lifting sling. NOT NO T
The preceding procedure is only for your reference.
----End
1.10.3 Lifting an Assembled AAU onto a Rooftop This section describes the procedure and precautions for lifting an assembled AAU onto a pole on a rooftop.
Prerequisites The upper main bracket for the AAU has been installed and the AAU has been bound. Issue 03 (2022-10-25)
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NOTICE NO TICE
● Place a fo foam am pad or cardboar cardboard d under an AAU AAU to protect protect the AAU housing housing from from damage. ● When in install stalling ing an AAU AAU onto a tower tower,, use a lifting lifting sling sling and a xed xed pulley pulley to securely bind the AAU or a module. To To prevent any personal injury caused by a falling AAU or module, unfasten the lifting sling only after the AAU is securely installed. The lifting procedure described in this section is i s for reference only. only.
Procedure Step 1 Installation technicians C and D pull the lifting sling downwards, and installation technician B controls the traction sling to prevent the AAU from colliding with the pole, as shown in the following gure. Figure 1-34 Lifting 1-34 Lifting an assembled AAU
(1) Lifting sling
(2) Traction sling
Step 2 When the upper handle is close to the xed xed pulley, pulley, the climber gently holds the AAU and hooks the AAU downtilt supporting arm into the slots of the upper main bracket. Align the holes on the upper main bracket with those on the short arm of the downtilt supporting arm. Push the nuts on both sides of the upper main bracket inwards and tighten them to the recommended torque of 40 N·m (354.03 lbf·in.), as shown in Figure 1-35. 1-35. NOT NO T
Lean the groove of the lower main bracket against the pole to prevent the AAU from swinging.
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Figure 1-35 Hooking 1-35 Hooking the downtilt supporting arm into the slots of the upper main bracket
(1) Groove ----End
1.10.4 Installing an AAU onto a Pole This section describes the procedure and precautions for installing an AAU onto a pole.
Context
NOTICE NO TICE
During the installation, do not adjust the horizontal azimuth while the bolts of the main brackets are loosened if no anti-falling measure is taken for the equipment.
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Figure 1-36 Installation 1-36 Installation of downtilt supporting arms
(a) Downtilt supporting arm installed on the upper handle of an AAU
(b) Downtilt supporting arm installed on the lower handle of an AAU
This section uses the installation scenario (a) in the following gure gure to to describe the procedure for installing an AAU onto a pole.
Procedure Step 1 Align the holes on the upper main bracket with those on the short arm of the downtilt supporting arm, and use a torque wrench to tighten the M10 bolt to a torque of 40 N·m (354.03 lbf·in.), as shown in the following gure.
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Figure 1-37 Tightening 1-37 Tightening the AAU to the upper main bracket (with a downtilt supporting arm)
Step 2 Secure the lower main and auxiliary brackets onto the pole, and rotate the auxiliary bracket, as shown by illustration a in the following gure. gure. Move Move an M10x150 bolt to the slot, as shown by illustration b in the following gure. gure. Use Use an M10 torque wrench to tighten the two bolts to 40 N·m (354.03 lbf·in.), as shown by illustration c in the following gure.
NOTICE NO TICE
Tighten the bolts on both sides of the bracket, and ensure that the spacing between the lower main bracket and auxiliary bracket is the same on both sides.
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Figure 1-38 Securing 1-38 Securing the lower main and auxiliary brackets
(1) M10 nut ----End If angle adjustment is not required, an AAU can be installed without a downtilt supporting arm.
Procedure Step 1 Remove two M10 bolts from both sides of the downtilt supporting arm.
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Figure 1-39 Removing 1-39 Removing bolts
Step 2 Install the two removed M10 bolts onto the upper handle of the AAU. Figure 1-40 Installing 1-40 Installing bolts onto the upper handle
Step 3 Install the AAU on the pole.
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Figure 1-41 AAU 1-41 AAU directly installed using handles
----End
1.11 Installing Cables This section describes the procedures and precautions for installing cables.
1.11.1 Cabling Requirements Cables must be routed according to specied specied cabling cabling requirements to prevent signal interference. NOT NO T
If a cable listed below is not required, skip the cabling requirements of the cable.
General Cabling Requirements Bending radius requirements ●
The bend bending ing radi radius us of a 7 7/8' /8''' feede feederr must must be great greater er than than 250 250 mm (9.84 (9.84 in.), in.), and the bending radius of a 5/4'' feeder must be greater than 380 mm (14.96 in.).
●
The bend bending ing radi radius us of a 1 1/4' /4''' jumper jumper must must be gr great eater er than than 35 mm mm (1.38 (1.38 in.). in.). The bending radius of a super-exible super-exible 1/2'' 1/2'' jumper must be greater than 50
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mm (1.97 in.), and the bending radius of an ordinary 1/2'' jumper must be greater than 127 mm (5 in.). ●
The bend bending ing radi radius us of a p powe owerr cable cable or PGND PGND cabl cable e must must be at leas leastt thr three ee times the cable c able diameter. diameter.
●
The The ben bendi ding ng radiu adiuss o off an an o opt ptic ical al ber ber is is at least 20 times of its diameter, diameter, and the bending radius of a breakout cable is at least 30 mm (1.18 in.).
●
The bend bending ing radi radius us o off an E1/T E1/T1 1 cable cable must must be at least least tthr hree ee times times iits ts diameter.
●
The bendin bending g radi radius us of a signal signal cable cable must must be at leas leastt ve ve times times its i ts diameter diameter..
Cable binding requirements ●
Ca Cabl bles es of of the the same same type type mus mustt be bou bound nd tog toget ethe herr.
● Diferent Diferent types types of cables c ables must be separately routed and bound, with a minimum distance of 30 mm (1.18 in.) from each other. other. ●
The cable cabless mus mustt be bound bound tightl tightly y and n neat eatly ly.. The sheat sheaths hs of the the cables cables must must not be damaged.
●
The cabl cable e ties ties must must face face the same same dir directi ection, on, and and those those at at the same same hori horizon zontal tal line must be in a straight line.
●
The The exce excess ss of of the the indo indoor or ccab able le tie tiess need needss to b be e cut cut of. of. A A 5 mm (0.2 in.) excess needs to be reserved for each outdoor cable tie, without any sharp edges.
●
After After cab cables les are are instal installed led,, lab labels els or or namepl nameplate atess must must be att attach ached ed to the the cables cables at their ends, curves, and interconnection positions.
Security requirements ●
When When routi routing ng cables cables,, avo avoid id sharp sharp obje objects cts,, for exam example ple shar sharp p edges edges on the the wall. If necessary, use tubes to protect the cables.
●
When When routi routing ng cable cables, s, ke keep ep the the cables cables awa away y from from heat heat source sourcess and use heat heat insulation materials to insulate the cables from the heat sources.
●
Reserv Reserve e a prope properr dista distance nce (0.1 m or 0.33 0.33 ft ft is reco recomme mmende nded) d) betw between een equipment and cables, especially at the cable curves to protect the cables and equipment.
Indoor cabling requirements ●
Cables Cables are are rout routed ed indo indoors ors throug through h the the ffeed eeder er wind window ow..
●
Reserv Reserve e drip drip loops loops for for all cabl cables es ou outsi tside de the the feeder feeder w wind indow ow befo before re rout routing ing them into the room. Ensure that the radiuses of the drip loops are greater than or equal to the minimum bending radiuses of the cables.
●
When When routi routing ng a cable cable into into tthe he rroom oom,, ensur ensure e tha thatt a person person is is assist assisting ing you you in the room.
●
Apply Apply waterp waterpro roof of tr treat eatmen mentt to the feede feederr wind window ow..
Outdoor Cabling Requirements ●
Protec Protectt outdoor outdoor cable cabless agai against nst poten potentia tiall damage. damage. For For exampl example, e, put the the cables cables through tubes.
●
The cable cabless to be pr prote otected cted incl include ude AC AC pow power er cables cables,, tra transm nsmiss ission ion ca cable bles, s, and and cables routed underground. underground.
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●
When When routi routing ng cables cables thr throug ough h tubes tubes on the the gr groun ound d below below the cabin cabinet, et, put put a 30 mm to 50 mm (1.18 in. to 1.97 in.) length of the tubes into the base of the cabinet but do not put the tubes into the cabinet. Use waterproof tape or waterproof silicon gel to block both ends of the tubes and use sheet metal tabs to secure the tubes to the cable holes in the base.
●
When When routi routing ng cables cables thr throug ough h tubes tubes along along a me metal tal cable cable tro trough ugh belo below w the cabinet, do not put the tubes into the base of the cabinet but cover the cable trough and connect the tubes to the cable c able holes in the base.
●
Use clips clips to secur secure e cables cables outdoors. outdoors. For the metho method d of installing installing a clip, clip, see see th the e installation guide delivered with the clip.
●
Arrang Arrange e cables cables neatl neatly y along along the rout routing ing dir directi ection on and and use clips clips to to sec secur ure e the cables.
●
Determ Determine ine the the positio positions ns wher where e the clips clips are are inst install alled ed accor accordin ding g to the actual actual situation. For example, 7/8" feeders are secured with clips at an interval of 1.5 m to 2 m (4.92 ft to 6.56 ft), CPRI optical bers bers and and power cables are secured with clips at an interval of 1 m to 1.5 m (3.28 ft to 4.92 ft). Ensure that the clips are evenly spaced and face the same direction.
●
When When fasten fastening ing cable cabless wit with h a clip, clip, ensur ensure e tha thatt the cable cabless are alig aligned ned neat neatly ly and are routed through the holes in the clip. Do not stretch the cables too tightly. NOT NO T
There are two types of clips which are described as follows: ● A 3-hole 3-hole clip clip is is shown shown by illust illustra ratio tion n a in Figure 1-42 1-42.. It is often used to fasten feeders. 1-42.. It is often used to fasten power ● A 6-hole 6-hole clip clip is is shown shown by illust illustra ratio tion n b in Figure 1-42 cables and CPRI optical bers.
Figure 1-42 Exterior 1-42 Exterior of the clips
(1) Cable hole for a feeder
(2) Cable hole for a CPRI optical ber
(3) Cable hole for a power cable
1-43 shows shows the cables secured on a cable tray. tray. Figure 1-43
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Figure 1-43 Cables 1-43 Cables secured on a cable tray
(1) 3-hole clip
(2) 6-hole clip
Figure 1-44 shows 1-44 shows the cables secured on a tower.
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Figure 1-44 Cables 1-44 Cables secured on a tower
(1) 3-hole clip
(2) 6-hole clip
Special Cabling Requirements Cabling of power cables ●
Powe Powerr cabl cables es mus mustt be inst instal alle led d in th the e posi positi tion on specied specied in in engineering design documents.
●
If th the e llen engt gth h of of pow power er cabl cables es is insucient, insucient, replace replace the cables rather than adding connectors or soldering joints to lengthen the cables.
●
Cables Cables can can only only be rout routed ed under under well well-pl -plann anned ed instr instruct uction ions. s. The The cabling cabling activities are allowed only when qualied qualied personnel personnel and communication
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●
After routing routing a DC power power cable cable onto the platf platform orm on on a tower tower,, route route it it along along the shortest path to the rails surrounding the platform, and route it along the inside of the rails.
●
After After ro routin uting g a DC pow power er cable cable near near th the e equipm equipment ent on on a tow tower er,, use clips clips to to secure the power cable onto a pole or the rails surrounding the platform. Ensure that the distance between the equipment and the position where the cable is secured is not too long.
Cabling of PGND cables ●
PGND PGND cables cables for for a base base stat station ion must must be co conne nnecte cted d to the the same same gro group up of of ground bars.
●
PGND PGND cables cables cann cannot ot be rout routed ed overh overhead ead outd outdoor oors. s. All All PGND PGND cables cables must must be be buried in the ground or laid out indoors.
●
The exte externa rnall conduc conductor tor of of the coaxi coaxial al wire wire and and the shie shield ld la layer yer of of the shiel shielded ded cable must have proper electrical contact with the metal surface of the equipment to which they are connected.
●
PGND PGND cables cables and and signa signall cables cables must must be be instal installed led with with a cert certain ain dist distanc ance e reserved between them to prevent interference interference from each other. other.
●
Switch Switches es or or fuses fuses must must not not be instal installed led on the the PGND PGND cables cables..
● ●
Other Other device devicess mus mustt not be be used used for for elec electri trical cal conne connectio ctions ns of the the PG PGND ND cables cables.. All the the metal metal part partss in the the housin housing g of the the equipm equipment ent must must be rreli eliabl ably y connected to the ground terminal.
Cabling of E1 cables ●
E1 cables cables cann cannot ot be cro crosse ssed d with with power power cable cables, s, PGND PGND ca cable bles, s, or RF RF cables cables.. If transmission cables are routed with power cables, PGND cables, or RF cables in parallel, the spacing between them must be greater than 30 mm (1.18 in.).
●
E1 cables cables must must be be lined lined up str straig aight ht an and d bound bound neatl neatly y with with cable cable ties. ties.
● Sucient slack Sucient slack is provided in E1 cables at turns. ●
E1 cable cabless mu must st not not be be press pressed ed by by the the door door of the the cabi cabinet net whe when n route routed d through the cabinet, as shown in Figure 1-45. 1-45.
Figure 1-45 E1 1-45 E1 cables routed in the cabinet
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●
At leas leastt thre three e peopl people e are are requ requir ired ed for for rout routing ing optical optical bers. bers. The The cabling activities of optical bers bers are are allowed only when qualied qualied personnel personnel and communication facilities are available.
●
Optical bers bers are are used within the temperature range of –40°C (–40°F) to +60°C (+140°F). If the current temperature is out of the range, make protection measures or route the cables again.
● ●
Do no nott circ circle le or tw twis istt cabl cables es.. Do no not bi bind op optical bers bers at at the position where they bend.
●
Do not not str stretch etch,, step step on, on, or or place place heavy heavy obje objects cts on opti optical cal bers. bers. Keep Keep the optical bers bers away away from sharp objects.
●
When optical bers bers are are routed, the excess of the optical bers bers must must be coiled around special devices, such as a ber ber coiler. coiler.
●
A patch patch cord cord must must be bound bound using using bind binding ing straps straps.. If an an optica opticall ber ber needs needs to be secured in a cabinet or a piece of equipment, use binding straps to bind it and then use cable ties to secure the binding straps to the cabinet or equipment. Ensure that the optical bers bers can can exibly exibly move move in the cable ties. shows cor correct and incorrect incorrect Right angle bending is not allowed. Figure 1-46 1-46 shows binding of optical bers.
Figure 1-46 Binding 1-46 Binding optical bers
●
When with co coil ilin ing g op optica ical bers, bers, apply apply even strength. Do not bend the optical bers bers with force.
●
Unused Unused optic optical al co conne nnecto ctors rs must must be cover covered ed with with d dust ustpr proof oof cap caps. s.
●
The optical bers bers must must not be pressed by the door of the cabinet when routed through the cabinet, as shown in Figure 1-47 1-47,, Figure 1-48, 1-48, and Figure 1-49 1-49..
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Figure 1-47 CPRI 1-47 CPRI optical bers bers routed routed in the cabinet (1)
Figure 1-48 CPRI 1-48 CPRI optical bers bers routed routed in the cabinet (2)
Figure 1-49 FE/GE 1-49 FE/GE optical bers bers routed routed in the cabinet
●
Afte Afterr rro out utin ing g an an op optica ticall ber ber onto onto the platform on a tower, route it along the shortest path to the rails surrounding the platform, and route it along the inside of the rails.
●
Afte Afterr rro out utin ing g an an op optica ticall ber ber near near the equipment on a tower tower,, use clips to secure the optical ber ber onto onto a pole or the rails surrounding the platform. Ensure that the distance between the equipment and the position where the optical ber ber is is secured is not too long.
●
Coil Coil th the e ex excess cess of th the e op opti tica call bers bers near near the equipment on the tower before securing the cables onto the tower.
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1.11.2 Cables Connections This section describes how to route and bind the cables according to the planned cable routes. The following gure gure shows shows the cable routes. Figure 1-50 Cable 1-50 Cable routes
1.11.3 Installing an AAU PGND Cable
This section describes the procedure and precautions for installing an AAU PGND cable.
Prerequisites A PGND cable has been prepared.
Context The following table lists the specications specications of of an AAU PGND cable.
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Table 1-5 1-5 Specications Specications of of an AAU PGND cable Cable
AAU AA U PGN PGND D cab cable le
One End Connected to the AAU
One End Connected to the Ground Bar
Color
OT ter termi mina nall ((M6 M6,,
OT terminal (M8,
Yellow and green
2
162mm or 0.025 in. )
2
162mm or 0.025 in. )
Procedure Step 1 Connect one end of the AAU PGND cable with an M6 OT terminal to the ground terminal on the mounting kits, and use a torque wrench to tighten the ground bolt to 4.8 N·m (42.48 lbf·in.). Connect the other end of the cable with an M8 OT terminal to the external ground bar, and use a torque wrench to tighten the ground bolt to 12 N·m (106.21 lbf·in.). Figure 1-51 Installing 1-51 Installing the AAU PGND cable (one AAU on a pole)
NOT NO T
Crimp OT terminals in correct directions when installing an AAU PGND cable, as shown in in the following gure.
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Figure 1-52 Correct 1-52 Correct and incorrect positions of OT terminals
Step 2 Route the cable by following the instructions in 1.11.1 Cabling Requirements Requirements.. Step 3 Attach labels to the cable by following the instructions in Attaching a Cable-Tying Cable-Tying Label. ----End
1.11.4 Installing Power Cables This section describes the procedure and precautions for installing power cables. NOT NO T
The exterior of a module in this section is for reference only.
Prerequisites The power cable has been prepared. For details, see Preparing an AAU Power Cable.. Cable
Context The following table lists power cable connections. Table 1-6 AAU 1-6 AAU power cable connections Power Equipment
Cable
On the Power Equipment Side
On the AAU Side
DCDU16D
AAU power cable
Bare wire
Outdoor quicklock power connector
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1 AAU5636 Installation Guide
UTION
● Ensu Ensure re that that an AAU AAU power power cable cable is connected connected to the AAU rst. rst. The The AAU power cable can be connected to the power equipment only after the cable connection on the AAU is complete and the AAU is to be powered on. An incorrect sequence or reverse connection of the power cable will cause damage to the AAU or injuries to the human body. ● Befo Before re connectin connecting g an AAU pow power er cable, ensur ensure e that the po power wer cable cable is not connected to any power supply. ● A drip loo loop p needs to be prepa prepared red for for a cable near near a port on the the AAU. The cable cable must not be routed higher than the corresponding port to prevent the AAU from being damaged by rainwater owing owing along along the cable.
NOT NO T
● Colors and exterior exteriorss of cabl cables es may vary with with countries countries and regions. regions. ● The cables cables are black black and b blue lue in mos mostt regio regions, ns, whereas whereas blue and and gray gray in the UK and and red and blue in China.
C
UTION
When installing an AAU power cable for a running base station, connect the cable to the AAU before connecting it to the power equipment. An incorrect sequence or reverse connection of the power cable will cause damage to the AAU or injuries to the human body.
Procedure Step 1 Push the dustproof cap lever of the power port to loosen the dustproof cap. Figure 1-53 Pushing 1-53 Pushing the lever to loosen the dustproof cap
Step 2 Remove the dustproof cap from the power port.
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Figure 1-54 Removing 1-54 Removing the dustproof cap
Step 3 Open the lever on the outdoor quick-lock power connector and connect the connector to the power port on the AAU, as shown by step a in the following gure. Close gure. Close the lever completely until you hear a click, as shown by step b in the following gure. Figure 1-55 Installing 1-55 Installing the power cable with an outdoor quick-lock power connector
Step 4 Connect the other end of the power cable to the port on the power equipment. ●
The pro proced cedur ure e fo forr the DCDU16D DCDU16D pow power er suppl supply y soluti solution on is as as follo follows: ws: a.
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Before Before connecting connecting cables, cables, ensur ensure e th that at th the e circuit circuit breaker breaker is turned turned of. When the circuit breaker is turned of, of, the the handle is pulled out and the indicator is green, as shown in the following gure.
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Figure 1-56 Circuit 1-56 Circuit breaker status before cable connection
b.
Strip th the sh sheaths of cables cables based on the cable stripping ruler for the circuit breaker. Figure 1-57 1-57 shows shows the inapplicable cable specications. Figure 1-58 shows 1-58 shows the cable stripping ruler. Figure 1-57 Inapplicable 1-57 Inapplicable cable specications
Figure 1-58 Cable 1-58 Cable stripping ruler
c.
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Connec Connectt the conn connect ectors ors on on the AAU AAU power power cabl cables es on the AAU AAU side side to tthe he power ports on the AAUs. For details about the specications specications of of the wires of a power cable, see the AAU hardware description document of the corresponding model.
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C UTION
▪
d.
When installing an AAU power cable for a running base station, connect the cable to the AAU before connecting it to the power equipment. An incorrect sequence or reverse connection of the power cable will cause damage to the AAU or injuries to the human body.
Connect Connect the the RTN and NEG NEG power cables to the the LOAD0 LOAD0 to LOAD2 LOAD2 ports on the DCDU16D. i.
Insert the Φ3 at-head at-head screwdriver screwdriver into the "+" and "-" tool holes of the circuit breaker obliquely in sequence, and insert the prepared power cables into the "+" and "-" connection holes. Ensure that the core wires contact the bottom of the connection hole and do not split. The following gure gure shows shows the positions of the "+" and "-" tool holes and connection holes. Figure 1-59 Installing 1-59 Installing the RTN and NEG power cables
ii.
Remove the at-head at-head screwdriver screwdriver from the tool hole of the circuit breaker.
iii.
Pull each power cable slightly slightly to check whether whether it is securel securely y connected. If the power cable is pulled out a bit or the wires are exposed outside the hole, remove theinstall powerthe cable, cutcable the split wires, and then strip the sheath and power again.
e.
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After After the ca cable ble conne connectio ction, n, ro route ute the the power power cables cables thro through ugh the the cable cable claw and secure the cables, as shown in the following gure.
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Figure 1-60 Securing 1-60 Securing power cables (scenario 1: 0 m to 70 m or 0 ft to 229.66 ft)
Figure 1-61 Securing 1-61 Securing power cables (scenario 2: 70 m to 100 m or 229.66 ft to 328.08 ft)
f.
Press Press the the handle handle of of the circ circuit uit break breaker er and and turn turn on the the circui circuitt breake breakerr to supply power to loads. When the circuit c ircuit breaker is turned on, the handle is pressed and the indicator is red, as shown in the following gure. Figure 1-62 Circuit 1-62 Circuit breaker status after cable connection
Requirements.. Step 5 Route the cables by following the instructions in 1.11.1 Cabling Requirements Issue 03 (2022-10-25)
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Step 6 Attach labels to the cables by following the instructions in Attaching a Cable-Tying Cable-Tying Label. ----End
1.11.5 Installing a CPRI Optical Fiber This section describes the procedure and precautions for installing a CPRI optical ber. NOT NO T
The exterior of a module in this section is for reference only.
Prerequisites The rate of the optical module to be installed must be the same as the rate of the CPRI port. Figure 1-63 Connector 1-63 Connector components
(1) Shell
(2) Lever
(3) Stop plane
(5) Rubber plug
(6) Rubber stopper (7) Nut
(4) Tongue -
Procedure Step 1 Unscrew the nut of the outdoor quick-lock optical ber ber connector connector and remove a rubber stopper from the rubber plug. Pull the cord c ord at the end of the plug to remove the plug out of the connector shell, and place the plug on the side of the connector,, as shown in the following gure. connector Issue 03 (2022-10-25)
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Figure 1-64 Unscrewing 1-64 Unscrewing the connector nut and removing a rubber stopper
NOTICE NO TICE
● Gentl Gently y remove remove the rubber rubber plug and and stopper stopper to avoid breaking breaking the the anti-fallin anti-falling g tape. ● Whe When n inst install alling ing one optical optical ber, ber, remove remove only one stopper and reserve the other one. ● Whe When n inst install alling ing two optica opticall bers, bers, remove remove two stoppers. Step 2 Cut of cable cable ties of the cable, remove the corrugated pipe, and cut of the the traction sling. Bind an anti-falling cable tie at the position about 500 mm (19.69 in.) away from the connector on the optical ber.
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Figure 1-65 Binding 1-65 Binding an anti-falling cable tie
NOTICE NO TICE
● The ca cable ble tie can prevent prevent the outdoor outdoor quick-lock quick-lock optical optical ber ber connector connector from sliding down along the optical ber. ● Do not rremove emove the the dustproof dustproof cap cap from the the outdoor outdoor quick-lock quick-lock optical optical ber connector. Step 3 Route the optical ber ber through through the nut and the shell of the outdoor quick-lock optical ber ber connector connector in sequence.
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Figure 1-66 Routing 1-66 Routing the optical ber ber through through the outdoor quick-lock optical ber connector
Step 4 Push the lever to loosen the dustproof cap on the CPRI port of the AAU.
Figure 1-67 Pushing 1-67 Pushing the lever to loosen the dustproof cap
Step 5 Remove the dustproof cap from the CPRI port of the AAU and the dustproof plug from the optical module.
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Figure 1-68 Removing 1-68 Removing the dustproof cap and dustproof plug
NOTICE NO TICE
The performance of an optical module may deteriorate if it is exposed to the air for a long time. Therefore, keep the optical module plugged with a dustproof plug before you connect an optical ber ber to to an optical module. Step 6 Connect the end labeled 1A and 1B on the optical ber ber to to the optical module on the AAU side, as shown in the following gure. NOT NO T
● If a two-ber two-ber bidirectional bidirectional optical module is used, install an optical ber ber according according to 1-69.. Figure 1-69 ● If a single-ber single-ber bidirectional bidirectional optical module is used, install an optical ber ber according according to Figure 1-70 1-70..
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Figure 1-69 Installing 1-69 Installing a CPRI optical ber ber for for a two-ber two-ber bidirectional bidirectional optical module
Figure 1-70 Installing 1-70 Installing a CPRI optical ber ber for for a single-ber single-ber bidirectional bidirectional optical module
NOTICE NO TICE
Strictly follow the cable installation process to prevent optical bers bers from from being severely bent. Step 7 Insert the outdoor quick-lock optical ber ber connector connector into the CPRI port and close the lever.
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Figure 1-71 Inserting 1-71 Inserting and fastening the outdoor quick-lock optical ber ber connector connector
NOTICE NO TICE
● When tthe he lever lever is complet completely ely closed, closed, y you ou will will hear a click. ● Aft After er the instal installat lation ion,, cut cut of the the anti-falling cable tie. Step 8 Put the optical ber ber into into the plug through the opening of the plug on the side. Push the rubber plug into the hole at the bottom of the connector. connector.
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Figure 1-72 Putting 1-72 Putting the optical ber ber into into the rubber plug hole
C
UTION
● Pus Push h the rubb rubber er plug plug and and hold hold the optic optical al ber ber to to prevent it from being bent. ● Pus Push h the rubb rubber er plug plug until until it cann cannot ot move. move. Step 9 Push the rubber plug into the hole at the bottom of the outdoor quick-lock optical ber connector. ber connector.
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Figure 1-73 Pushing 1-73 Pushing the rubber plug
NOTICE NO TICE
Ensure that the rubber plug is inserted completely and cannot move further. further. Step 10 Use an adjustable wrench to tighten the nut to a recommended torque of 4 N·m (35.40 lbf·in.), as shown by illustration a in the following gure. gure. Ensure Ensure that the nut is level with the stop plane of the connector lever, as shown by illustration b in the following gure. Figure 1-74 Tightening 1-74 Tightening the nut by referring to the stop plane
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(1) Stop plane
(2) Handle
(3) Tongue
NOTICE NO TICE
● The nut m must ust completel completely y cover the tongue tongue at the the bottom bottom of the stop stop plane on the lever. ● The nut m must ust be tightened tightened to to be level with with the stop stop plane of the the lever. lever. After the tightening, the nut must closely contact the handles of the lever. Step 11 Connect the end labeled 2A and 2B on the optical ber ber to to the SFP optical module on a CPRI port on a BBP in the BBU3910/BBU5900. NOT NO T
If a single-ber single-ber bidirectional bidirectional optical ber ber is is used, install the optical ber ber according according to the following gure.
Figure 1-75 Installing 1-75 Installing a single-ber single-ber bidirectional bidirectional optical ber
Step 12 Route the cable by following the instructions in 1.11.1 Cabling Requirements. Requirements. Step 13 Attach labels to the cable by following the instructions in Attaching a Cable-Tying Cable-Tying Label. ----End
1.12 Adjusting the Mechanical Downtilt This section describes the procedure and precautions for adjusting the mechanical downtilt of an AAU.
Context ●
When When the down downtil tiltt suppor supportin ting g arm is iinst nstall alled ed onto onto the the upper upper handl handle, e, the the adjustable range is 0° to 20°.
●
When When the down downtil tiltt suppor supportin ting g arm is iinst nstall alled ed onto onto the the lower lower handl handle, e, the the adjustable range is –20° to 0°.
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The mechanical downtilt of an AAU ranges from –20° to +20°. + 20°. If the required downtilt is beyond this range, contact local Huawei engineers for evaluation.
●
The following gure gure shows shows the installation of downtilt supporting arms.
Figure 1-76 Installation 1-76 Installation of downtilt supporting arms
(a) Downtilt arm installed on the uppersupporting handle of an AAU
(b) Downtilt arm installed on the lower supporting handle of an AAU
When the downtilt supporting arm is installed onto the upper handle, perform the following steps.
Procedure Adjusting the mechanical downtilt by using the inclinometer 1-77)) on the Step 1 Loosen the six bolts (marked by the red dashed lines in Figure 1-77 attachment plate of the downtilt supporting arm and AAU mounting kits to the adjustable status. (Do not remove the bolts.) Step 2 According to the scale plate, adjust the mechanical downtilt of the downtilt supporting arm to an angle close c lose to the required angle, as shown in Figure 1-77 1-77.. Issue 03 (2022-10-25)
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Figure 1-77 Adjusting 1-77 Adjusting the mechanical downtilt by using the scale on the support for the downtilt supporting arm
NOT NO T
Push the heat sink ns ns on on both sides of the handle to increase the downtilt. Pull the lower end of the handle to reduce the downtilt.
Step 3 Place the inclinometer on the AAU and check whether it is adjusted to the required angle. If not, adjust the AAU until the angle displayed on the inclinometer reaches the required angle. Step 4 After the mechanical downtilt is adjusted, use a torque wrench to tighten the bolts loosened in step 1 to 40 N·m (354.03 lbf·in.). Step 5 Remove the inclinometer from the AAU and pack the inclinometer up. ----End When the downtilt supporting arm is installed onto the lower handle, perform the following steps.
Procedure Adjusting the mechanical downtilt by using the inclinometer Step 1 Loosen the six bolts (marked by the red dashed lines in Figure 1-78 1-78)) on the attachment plate of the downtilt supporting arm and AAU mounting kits to the adjustable status. (Do not remove the bolts.) Issue 03 (2022-10-25)
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Step 2 According to the scale plate, adjust the mechanical downtilt of the downtilt 1-78.. supporting arm to an angle close c lose to the required angle, as shown in Figure 1-78 Figure 1-78 Adjusting 1-78 Adjusting the mechanical downtilt by using the scale on the support for the downtilt supporting arm
NOT NO T
Push the heat sink ns ns on on both sides of the handle to increase the downtilt. Pull the lower end of the handle to reduce the downtilt.
Step 3 Place the inclinometer on the AAU and check whether it is adjusted to the required angle. If not, adjust the AAU until the angle displayed on the inclinometer reaches the required angle. Step 4 After the mechanical downtilt is adjusted, use a torque wrench to tighten the bolts loosened in step 1 to 40 N·m (354.03 lbf·in.). Step 5 Remove the inclinometer from the AAU and pack the inclinometer up. ----End
1.13 Installation Checklist This chapter describes the checklist for AAU hardware installation. Issue 03 (2022-10-25)
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Table 1 describes 1 describes the checklist for AAU hardware installation. Table 1-7 Hardware 1-7 Hardware installation checklist No.
Check Item
1
Th The e iins nsta tall llat atio ion n pos posit itio ion n of of eac each h de devi vice ce str tric ictl tly y co compli mplies es with with the engineering design and meets clearance requirements. Sucient Sucient space space is reserved for device maintenance.
2
An AA AAU is is sse ecurely at attach che ed to to an an at attachment pl plate, an and th the attachment plate is securely attached to mounting kits.
3
Waterproof check: If you install an optical ber ber in in the outdoor quicklock optical ber ber connector, connector, remove only one stopper and keep the other stopper.
4
Th Ther ere e ar are no no con conn nect ector orss or or joi joint ntss on on the the po pow wer ca cabl ble e or or P PGN GND D cab cable le..
5
Ter ermi mina nalls a att bot both h end endss of of the the power ower ca cabl ble e or or P PGN GND D cab cable le are are se secur curely ely crimped.
6
None None of th the e po pow wer cabl cables es and and PGN PGND ca cabl bles es is sh shor ortt-cir -circu cuit ited ed or reversely connected. In addition, these cables are not damaged or broken.
7
Power ca cab bles and PGND cables are separately bound.
8
Th The e gr grou ound ndin ing g sys syste tem m fo for th the bu buil ild ding ing mus mustt be be se sepa parrat ate ed fr from th that at for the antenna.
9
Th The e con conne nect ctor orss of of eac each h sig signa nall ccab able le are are iint ntac actt an and sec secu urely ely ccon onn necte ected, d, and these cables are not damaged or broken.
10
Mounting kits are securely installed.
11
La Labe bels ls ar are e ccor orrrect, ect, legi legibl ble, e, and and ccom ompl plet ete e at at b bot oth h end endss of of eac each h ccab able le,, such as the CPRI optical ber.
1.14 Powering On an AAU This section describes the procedure and precautions for powering on an AAU.
D
NGER
● Befo Before re power power-on, -on, check whether whether the positive positive and negative negative conductin conducting g wires of all power cables are correctly connected. Any incorrect power cable c able connection may cause damage to equipment or unexpected injuries of human body. ● Exe Exercise rcise caution caution when when performing performing a power power-on -on check, wh which ich involves involves high voltage operations. Direct contact with the input voltage or indirect contact with the input voltage using a damp object may be fatal.
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NOTICE NO TICE
● An AAU mus mustt be powered powered on within within 24 hours after after being being unpacked. unpacked. During During maintenance, the power-of time time of an AAU cannot exceed 24 hours. ● After th the e AAU is powered powered on and and starts workin working, g, the personnel personnel must must kee keep pa distance from the front of the AAU. The distance must meet the requirements of local laws and regulations. The following gure gure shows shows the process for powering on an AAU. Figure 1-79 Powering 1-79 Powering on an AAU
NOT NO T
● When –48 V DC power power supply supply is us used, ed, the inp input ut voltage voltage of an AA AAU U ranges ranges fro from m –36 V DC to –63 V DC. ● The RUN RUN in indica dicator tor o on n the the AAU is on for for 1s and and of for for 1s. The ALM indicator is i s steady of.
1.15 Appendix This section describes auxiliary operations during the installation process.
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1.15.1 Adding an Outdoor Quick-Lock Power Power Connector to the AAU Power Cable on the AAU Side Procedure Step 1 Press the lever unlock button on the outdoor quick-lock power connector (as shown by illustration 1 in the following gure), gure), open open the lever, lever, press the unlock button of the inner part (as shown by illustration 2 in the following gure), gure), and and remove the inner part of the connector c onnector (as shown by illustration 3 in the following gure). Figure 1-80 Unlocking 1-80 Unlocking and removing the inner part of the connector
(1) (1) L Lev ever er un unlo lock ck but butto ton n
(2) (2) IInn nner er pa part rt un unlo lock ck button
(3) Inner part of the power connector
Step 2 Unscrew the nut on the shell and insert the power cable into the shell of the power connector. connector. Do not let the nut fall of. Figure 1-81 Routing 1-81 Routing the power cable
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(1) Inner waterproof rubber ring
(2) Shell nut
NOTICE NO TICE
The connector is congured congured with with two layers of waterproof rubber rings. When the cross-sectional area of the power cable is greater than or equal to 6 mm2 (0.009 in.2) or 7 AWG, remove and discard the inner waterproof rubber ring. Step 3 Determine the length of the power cable c able for diferent diferent operations operations based on the cable diagram, as shown in the following gure. Figure 1-82 Determine 1-82 Determine the cable length based on the cable diagram
Step 4 Strip the specied specied length length of the sheath of the the power cable, as shown in the following gure. Figure 1-83 Stripping 1-83 Stripping the specied specied length length of the sheath of the the power cable
NOTICE NO TICE
When stripping the sheath of the the power cable, do not damage the shield layer.
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Step 5 Strip a specied specied length length of sheath of each each core wire. The length must be consistent with the length of the notch in the outdoor quick-lock power connector, connector, as shown in the following gure. Figure 1-84 Stripping 1-84 Stripping the sheath of each each core wire
Step 6 Open the cable lock lever (as shown by step a in the following gure) gure) of of the inner part of the outdoor quick-lock power connector, connector, loosen the screw (as shown by the red dashed line in the following gure), gure), and and open the shielding clip (as shown in step b in the following gure). Figure 1-85 Opening 1-85 Opening the cable lock lever and shielding clip
(1) Cable lock lever
(2) Shielding clip
Step 7 Connect the blue core wire labeled NEG(-) to the "-" port and the black/ brown/red core wire labeled RTN(+) to the "+" port on the connector. connector. Observe the contact between the spring and conductor through the windows, as shown in the following gure.
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Figure 1-86 Observing 1-86 Observing the contact between the spring and conductor
(1) Spring
(2) Conductor
(3) Sheath
NOTICE NO TICE
● Check th the e following following items items through through the the window: window: The conductor conductor must must be pressed pressed by the spring. The length of the wire inserted into the connector is proper. proper. The spring must not press the sheath of the wire. No copper wire is bent. ● If the wir wires es are not not properly properly locked, locked, check check the stripping stripping length length.. Step 8 Press the cable lock lever, slightly pull the power cable until it is straight and cannot be moved, lock the shielding clip, and use an M3 Phillips screwdriver to tighten the bolt (as shown by the red dashed line in the following gure) gure) to to 1.4 N·m (12.39 lbf·in.). Then, press the lever until it does not bounce back to ensure that the wires are locked.
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Figure 1-87 Pressing 1-87 Pressing the cable lock lever and locking the shielding clip
Step 9 Push the inner part back into the shell until you hear a click. Then, the inner part is completely inserted. Figure 1-88 Inserting 1-88 Inserting the inner part into the connector shell
Step 10 Use an adjustable wrench to tighten the nut with a recommended torque of 9 N·m (79.66 lbf·in.) (as shown by step b in the following gure) gure) until until it is in close contact with the stop plane (as shown by step a in the following gure).
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Figure 1-89 Completing 1-89 Completing the installation
(1) Stop plane ----End
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