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Figure 7-39

Installing the pole installation bracket on the expansion anchor bolts

NOTICE

Ensure that the arrows on the pole installation bracket are pointing up.

Step 5

Install the main bracket onto the pole installation bracket using four M6x16 inner hexagon
screws, and use an inner hexagon torque screwdriver to tighten the inner hexagon screws to 5
N·m (44.25 lbf·in.) so that the main bracket and pole installation bracket are firmly secured, as
shown in

Figure 7-40

.

Figure 7-40

Installing the main bracket

7 Installing the RRU

Issue ()

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

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Содержание RRU3971

Страница 1: ...Issue Date HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...may not be within the purchase scope or the usage scope Unless otherwise specified 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 effort has been made in the preparation of this document...

Страница 3: ... GBSS16 0 l eRAN7 0 V100R009C00 l SRAN10 1 and later versions l GBSS17 1 and later versions l eRAN8 1 and later versions V100R010C10 and later versions Intended Audience This document is intended for Base station installation engineers Organization 1 Changes in RRU3971 Installation Guide This section describes the changes in the RRU3971 Installation Guide 2 Installation Preparations About This Doc...

Страница 4: ...e for hoisting an RRU and related cables onto a tower and the precautions that must be taken 7 Installing the RRU This chapter describes the procedure for installing the RRU The procedure for installing the RRU varies depending on installation options 8 Installing RRU Cables This chapter describes the procedure for installing RRU cables 9 Checking the RRU Hardware Installation After an RRU is inst...

Страница 5: ...mes New Roman Normal paragraphs are in Times New Roman Boldface Names of files directories folders and users are in boldface For example log in as user root Italic Book titles are in italics Courier New Examples of information displayed on the screen are in Courier New Command Conventions The command conventions that may be found in this document are defined as follows Convention Description Boldf...

Страница 6: ...ard Operations The keyboard operations that may be found in this document are defined as follows Format Description Key Press the key For example press Enter and press Tab Key 1 Key 2 Press the keys concurrently For example pressing Ctrl Alt A means the three keys should be pressed concurrently Key 1 Key 2 Press the keys in turn For example pressing Alt A means the two keys should be pressed in tu...

Страница 7: ...ion Description Drag Press and hold the primary mouse button and move the pointer to a certain position About This Document Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd vi ...

Страница 8: ...5 3 Installation Spacing Between RRUs 31 4 Unpacking the Equipment 34 5 Installation Process 36 6 Hoisting an RRU and Related Cables onto a Tower 37 6 1 Hoisting an RRU onto a Tower 38 6 2 Hoisting Fiber Optic Cables onto a Tower 42 6 3 Hoisting Power Cables onto a Tower 45 7 Installing the RRU 48 7 1 Mounting Kits for an RRU 49 7 2 Installing the RRU on a Pole 50 7 2 1 Installing a Single RRU 50 ...

Страница 9: ...4 8 8 Installing an RRU Alarm Cable 107 8 9 Opening the Cover Plate of an RRU Cabling Cavity 109 8 10 Installing a CPRI Optical Cable 110 8 11 Installing an RRU Power Cable 112 8 12 Closing the Cover Plate of an RRU Cabling Cavity 115 9 Checking the RRU Hardware Installation 118 10 Powering On an RRU 119 11 Appendix 121 11 1 Adding a Tool Less Female Connector Pressfit Type to the RRU Power Cable ...

Страница 10: ...n Guide This section describes the changes in the RRU3971 Installation Guide Draft A 2015 09 30 This is a draft 1 Changes in RRU3971 Installation Guide Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 1 ...

Страница 11: ...installation you must be familiar with reference documents 2 2 Tools and Instruments You must prepare the following tools and instruments before the installation 2 3 Skills and Requirements for Onsite Personnel Onsite personnel must be qualified and trained Before performing any operation onsite personnel must be familiar with correct operation methods and safety precautions 2 Installation Prepara...

Страница 12: ...Guide l OCB User Guide l OCB 01M User Guide 2 2 Tools and Instruments You must prepare the following tools and instruments before the installation Hammer drill a φ12 bit ESD gloves Vacuum cleaner Heat gun Phillips screwdriver M3 to M6 Flat head screwdriver M3 to M6 Rubber mallet COAX crimping tool Wire stripper 2 Installation Preparations Issue Huawei Proprietary and Confidential Copyright Huawei ...

Страница 13: ...22 mm 0 87 in Level Torque screwdriver 5 mm 5 mm M3 to M6 M3 to M6 Torque socket Multimeter Marker diameter 10 mm 0 39 in Measuring tape Inner hexagon wrench 5 mm Fixed pulley weight bearing capacity 500 kg or 1102 5 lb Lifting sling Hydraulic pliers 2 Installation Preparations Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 4 ...

Страница 14: ...ion pay attention to the following items l The customer s technical engineers must be trained by Huawei and be familiar with the proper installation and operation methods l The number of onsite personnel depends on the engineering schedule and installation environment Generally only three to five onsite personnel are necessary 2 Installation Preparations Issue Huawei Proprietary and Confidential C...

Страница 15: ...tors This section describes six indicators on an RRU They indicate the running status of the RRU 3 4 Installation Scenarios An RRU can be installed on a pole U steel angle steel wall or IFS06 Installation scenarios must meet heat dissipation and waterproofing requirements of the RRU 3 5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clear...

Страница 16: ...imensions of an RRU Figure 3 1 shows the exterior of an RRU Figure 3 1 RRU exterior Figure 3 2 shows RRU dimensions Figure 3 2 RRU dimensions 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 7 ...

Страница 17: ...at is shown in the figure Figure 3 3 Positions of the nameplate 1 Nameplate 2 Module name 3 Frequency band 4 Power supply module 3 2 RRU Ports This section describes ports on the RRU panels An RRU has a bottom panel cabling cavity panel and indicator panel Figure 3 4 shows the ports on the RRU panels 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Te...

Страница 18: ...s 1 Ports in the cabling cavity RTN Power supply socket for details about RRU power cable experience and specifications see RRU Power Cable NEG CPRI0 Optical electrical port 0 connected to the BBU CPRI1 Optical electrical port 1 connected to the BBU 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 9 ...

Страница 19: ...t for transmitting RET signals is determined by the software l Connect the CPRI0 port to the BBU by default in the single mode scenario 3 3 RRU Indicators This section describes six indicators on an RRU They indicate the running status of the RRU For detailed positions of RRU indicators see 3 2 RRU Ports Table 3 2 describes RRU indicators Table 3 2 RRU Indicators Indicator Color Status Meaning RUN...

Страница 20: ...ady off No voltage standing wave ratio VSWR alarm is generated Blinking on for 1s and off for 1s VSWR alarms are generated on the ANT_TX RXB port Steady on VSWR alarms are generated on the ANT_TX RXA port Blinking on for 0 125s and off for 0 125s VSWR alarms are generated on the ANT_TX RXA and ANT_TX RXB ports CPRI0 Red and green Steady green The CPRI link is running properly Steady red An optical...

Страница 21: ...nts of the RRU Requirements for the Installation Scenarios Application scenarios To ensure proper heat dissipation of the RRU the following requirements must be met l The RRU cannot be installed in an enclosed cabinet without a cooling system l The RRU cannot be installed in an enclosed camouflage box l The RRU cannot be installed in an enclosed equipment room without a cooling system l When multi...

Страница 22: ...ide mounted installation mode one side instead of the rear of an RRU is mounted on the support is recommended for RRUs on the main pole secured on a tower This installation mode allows multiple RRUs to be installed next to each other at the same level on a pole When the horizontal distance between the main and auxiliary poles on a tower is equal to or greater than 810 mm 23 62 in the side mounted ...

Страница 23: ...o 76 mm 2 99 in a maximum of three RRUs can be installed on the pole and the side mounted installation is recommended The RRU installation in standard mode is not recommended l Only a pole whose diameter ranges from 76 mm 2 99 in to 114 mm 4 49 in supports more than three RRUs l The recommended thickness of the pole wall is 3 5 mm 0 14 in or above Figure 3 8 shows a single RRU installed on a pole ...

Страница 24: ...o RRUs installed on a pole Figure 3 9 Two RRUs installed on a pole Figure 3 10 Figure 3 11 and Figure 3 12 show multiple RRUs installed on a pole 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 15 ...

Страница 25: ...igure 3 10 Three RRUs installed on a pole Figure 3 11 Four RRUs installed on a pole 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 16 ...

Страница 26: ...steel specifications Figure 3 13 U steel specifications NOTICE U steel only supports the standard installation of a single RRU Figure 3 14 shows an RRU installed on U steel 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 17 ...

Страница 27: ...l specifications Figure 3 15 Angle steel specifications NOTICE Angle steel only supports the standard installation of a single RRU Figure 3 16 shows an RRU installed on angle steel 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 18 ...

Страница 28: ...tightened to 30 N m to ensure that the bolts work properly and the wall remains intact NOTICE l The standard installation is recommended for RRUs installed on a wall l When RRUs are installed on a wall in side mounted mode do not combine mounting brackets for multiple RRUs as shown in Figure 3 17 Figure 3 17 Correct installation of mounting brackets for multiple RRUs installed on a wall in side mo...

Страница 29: ...RRUs The IFS06 supports a maximum of six RRUs when the ambient temperature is higher than or equal to the lowest operating temperature of the RRUs and at least 10 C 50 F lower than the highest operating temperature of the RRUs NOTE For details about the operating temperature of the RRUs see section Technical Specifications of RRUs in 3900 Series Base Station Technical Description NOTICE The mounti...

Страница 30: ...n of mounting brackets for RRUs installed on an IFS06 Figure 3 20 and Figure 3 21 show RRUs installed on an IFS06 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 21 ...

Страница 31: ... Three RRUs installed on an IFS06 1 Height restricted scenario 2 Height unrestricted scenario 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 22 ...

Страница 32: ... the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs 3 5 1 Clearance for a Single RRU This section describes the recommended and minimum clearances for a single RRU 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 23 ...

Страница 33: ...s sufficient leave the recommended clearances after installing the equipment l The minimum clearance ensures normal running and heat dissipation but O M activities such as checking indicator status and opening the cabling cavity cannot be properly conducted If the installation space is restricted leave the minimum clearance after installing the equipment Clearance for a Single RRU in Side Mounted ...

Страница 34: ...ide mounted mode Clearance for a Single RRU in Standard Mode Figure 3 23 shows the clearance for a single RRU in standard mode 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 25 ...

Страница 35: ...r a Single Tower Mounted RRU Figure 3 24 and Figure 3 25 show the minimum clearances for a single RRU in side mounted mode and standard mode on a tower 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 26 ...

Страница 36: ...learance for a single RRU in standard mode on a tower 3 5 2 Clearance for Three or More RRUs This section describes the recommended and minimum clearances for three or more RRUs 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 27 ...

Страница 37: ...tivities such as checking indicator status and opening the cabling cavity cannot be properly conducted If the installation space is restricted leave the minimum clearance after installing the equipment Recommended Clearances for Three or More RRUs Installed in Centralized Mode Figure 3 26 shows the recommended clearances for three or more RRUs installed in centralized mode Figure 3 26 Recommended ...

Страница 38: ...d Clearances for Three or More RRUs Installed in Standard Mode on a Wall Figure 3 28 shows the recommended clearances for three or more RRUs installed in standard mode on a wall 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 29 ...

Страница 39: ...alled in Standard Mode on a Wall Figure 3 29 shows the minimum clearances for three or more RRUs installed in standard mode on a wall Figure 3 29 Minimum clearances for three or more RRUs installed in standard mode on a wall 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 30 ...

Страница 40: ...ore RRUs installed in side mounted mode on a wall 3 5 3 Installation Spacing Between RRUs This section describes the horizontal and vertical spacing between RRUs Recommended Horizontal Spacing Between RRUs Figure 3 31 shows the recommended horizontal spacing between RRUs Figure 3 31 Recommended horizontal spacing between RRUs 3 Information About the Installation Issue Huawei Proprietary and Confid...

Страница 41: ...inimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3 33 shows the recommended vertical spacing between RRUs Figure 3 33 Recommended vertical spacing between RRUs 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 32 ...

Страница 42: ... RRUs Figure 3 34 shows the minimum vertical spacing between RRUs Figure 3 34 Minimum vertical spacing between RRUs 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 33 ...

Страница 43: ...d gloves or dirty gloves NOTICE l After a cabinet or an BBU is unpacked it must be powered on within 7 days l After an RRU is unpacked it must be powered on within 24 hours Procedure Step 1 Check the total number of articles in each case according to the packing list If Then The total number tallies with the packing list Go to Step 2 The total number does not tally with the packing list Find out t...

Страница 44: ... Report to the local Huawei office CAUTION l To protect the equipment and prevent damage to the equipment you are advised to keep the unpacked equipment and packing materials indoors take photos of the stocking environment packing case or carton packing materials and any rusted or eroded equipment and then file the photos l Verify that the insulation layers of all RRU cables are intact If the insu...

Страница 45: ...n RRU and RRU cables checking the RRU hardware installation and powering on an RRU Figure 5 1 shows the installation process Figure 5 1 Process of installing an RRU 5 Installation Process Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 36 ...

Страница 46: ...r In tower mounted scenarios the RRU can be installed on a pole U steel or angle steel 6 2 Hoisting Fiber Optic Cables onto a Tower This section describes the procedure for hoisting fiber optic cables onto a tower and the precautions that must be taken 6 3 Hoisting Power Cables onto a Tower This section describes the procedure for hoisting power cables onto a tower and the precautions that must be...

Страница 47: ... support the weight of the RRU l Place a foam pad or cardboard under the RRU to protect the RRU housing from damage during the installation Procedure Step 1 After climbing up to the tower technician A secures the fixed pulley to the tower platform support and leads the lifting sling through the fixed pulley Step 2 Technician C binds the mounting kits using the lifting sling and traction sling on t...

Страница 48: ...ing kits For detailed operations see steps 1 to 3 in 7 2 1 Installing a Single RRU Step 5 Technician C binds the RRU using the lifting sling and traction sling as shown in Figure 6 2 The binding methods in Figure 6 3 and Figure 6 4 are incorrect 6 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 39 ...

Страница 49: ... 1 Handle 2 Lifting sling 3 Traction eye 4 Traction sling Figure 6 3 Incorrect binding method 1 6 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 40 ...

Страница 50: ...g downwards and technician C pulls the traction sling outwards to protect the RRU from colliding with the tower Figure 6 5 Hoisting the RRU onto the tower 1 Lifting sling 2 Fixed pulley 3 Traction sling 6 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 41 ...

Страница 51: ...f the attachment plate and main bracket to 5 N m 44 25 lbf in For detailed operations see steps 4 and 5 in 7 2 1 Installing a Single RRU Step 9 Untie the lifting sling and traction sling NOTE The procedure for hoisting the RRU and its mounting kits onto the tower is for your reference only End 6 2 Hoisting Fiber Optic Cables onto a Tower This section describes the procedure for hoisting fiber opti...

Страница 52: ... fixed pulley to the tower platform support and leads the lifting sling through the fixed pulley 2 Installation engineer B places the fiber coiler for coiling fiber optic cables on the fiber spools and installation engineer D lead the lifting sling through the stretch sling of the fiber optic cables and use the other sling as a traction sling to secure the cables 4 m 13 12 ft away from the lifting...

Страница 53: ...nstallation engineer B rotates the fiber spools at the speed of 5 m 16 4 ft to 15 m 49 21 ft per minute to coil the fiber optic cables 4 Installation engineer C pulls the lifting sling downwards and installation engineer D pulls the traction sling outwards to protect the fiber optic cables from colliding with the tower 6 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and ...

Страница 54: ... cables onto a tower and the precautions that must be taken Context Cabling requirements for power cables are met For details see 8 1 Cabling Requirements The procedure for adding a connector to the RRU power cable on the RRU side is done under the tower Procedure Step 1 Hoist the power cables onto the tower as shown in Figure 6 9 Figure 6 9 Hoisting power cables onto the tower 1 Lifting sling 2 F...

Страница 55: ... the figure is only an example The actual connector may vary according to the situation Figure 6 10 Binding cable ties 3 Installation engineer B wraps the power cable connector with a layer of PVC insulation tape as shown in Figure 6 11 NOTE Wrap the PVC insulation tape from 30 mm 1 18 in away from one end of the connector until it reaches the other end of the connector The total length of the wra...

Страница 56: ... cables from colliding with the tower Step 2 Secure the power cables to the tower vertically using cable clips Step 3 Remove the cable ties PVC insulation tape and lifting sling NOTE The procedure for hoisting the power cables onto the tower is for your reference only End 6 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Lt...

Страница 57: ...red on the ground or a tower Each piece of U steel allows only one RRU to be installed in standard mode 7 4 Installing an RRU on Angle Steel This section describes the procedure and precautions for installing an RRU on angle steel An RRU can be installed on angle steel secured on the ground or a tower Each piece of angle steel allows only one RRU to be installed in standard mode 7 5 Installing an ...

Страница 58: ...nt and side view of an RRU 1 Front view 2 Side view 3 Attachment plate NOTE When the operator faces the RRU whose handle and cabling cavity are on the right hand side the side facing the operator is the front of the RRU Figure 7 2 shows the bracket assembly for an RRU 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 49 ...

Страница 59: ...nd precautions for installing a single RRU on a pole Prerequisites Before you install an RRU on a pole secured on a tower the RRU and its mounting brackets are hoisted onto the tower For details see 6 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly NOTICE l Do not stand an RRU upright because the RF ports cannot support the weight of the RRU l Place a foam pa...

Страница 60: ... 7 3 Figure 7 3 Distance between the mounting brackets and the ground NOTE As shown in the figure above it is recommended that the mounting kits be installed at a position 1200 mm 47 24 in to 1600 mm 59 06 in high above the ground If the space is insufficient only the 3 5 Installation Clearance Requirements of an RRU needs to be provided Step 2 Install the RRU mounting brackets as shown in Figure ...

Страница 61: ...to 40 N m 354 03 lbf in so that the mounting brackets are secured onto the pole as shown in Figure 7 5 NOTICE Tighten the nuts on the two square neck bolts simultaneously After the main and auxiliary brackets are secured properly measure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides Figure 7 5 Securing the RRU mounting brackets Step 4 Insta...

Страница 62: ... attachment plate and main bracket are firmly secured as shown in Figure 7 7 Figure 7 7 Securing the captive screw into the connection hole End 7 2 2 Installing Two RRUs This section describes the procedure and precautions for installing two RRUs on a pole Prerequisites The hoist clamp on the main bracket is secured properly 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright ...

Страница 63: ...racket as shown in Figure 7 8 For details see 7 2 1 Installing a Single RRU Figure 7 8 Installing the first RRU onto the main bracket Step 2 Use an M6 inner hexagon screwdriver to loosen the four hex socket screws from the main bracket and pole installation brackets on the second set of mounting brackets and remove the main bracket as shown in Figure 7 9 7 Installing the RRU Issue Huawei Proprieta...

Страница 64: ...talled with the open ends of U shaped slots on both sides facing downwards Figure 7 10 Installing the second main bracket 1 Removed main bracket NOTE The main mounting bracket for installing a blade RRU can connect to the main mounting bracket for installing a common RRU in the scenarios of adding RRUs as shown in Figure 7 11 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright...

Страница 65: ... 12 Installing the second RRU onto the main bracket NOTICE After installing each RRU on its main bracket use an inner hexagon torque screwdriver to tighten the captive screw into the holes of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 13 7 Installing the RRU Issue Huawei Proprietary and Confident...

Страница 66: ...wdriver to loosen the screw on the sheet metal tab farther from the handle of the second RRU and remove the screw 2 Use an M6 Phillips screwdriver to loosen the screw on the sheet metal tab closer to the handle of the second RRU Then rotate the sheet metal tab to align the vacant hole in the sheet metal tab with a hole on the top of the first RRU 7 Installing the RRU Issue Huawei Proprietary and C...

Страница 67: ... RF ports cannot support the weight of the RRU l Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation Context A pole supports three four or six RRUs The procedures for installing them are the same The following provides an example for the procedure of installing four RRUs on a pole Procedure Step 1 Install two RRUs as shown in Figure 7 15 For de...

Страница 68: ... Step 3 Install the third main bracket and install the third RRU onto the third main bracket Then use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket for the RRU to 5 N m 44 25 lbf in as shown in Figure 7 17 NOTICE The third main bracket must be installed with the open ends of U shaped slots on both sides facing do...

Страница 69: ...scenarios of adding RRUs as shown in Figure 7 18 Figure 7 18 Connect to the main mounting bracket for installing a common RRU 1 Main mounting bracket for a blade RRU 2 Main mounting bracket for a common RRU Step 4 Install the sheet metal tab for fixing the neighboring RRUs as shown in Figure 7 19 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 60...

Страница 70: ...Then rotate the sheet metal tab to align the vacant hole in the sheet metal tab with a hole on the top of the third RRU 3 Insert the removed screw into the hole on the top of the third RRU and use an M6 torque screwdriver to tighten the screw to 5 N m 44 25 lbf in Step 5 Install the second set of RRU mounting brackets at least 80 mm 3 15 in above or below the first set of RRU mounting brackets as ...

Страница 71: ...ghten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 21 Figure 7 21 Installing the fourth RRU on the fourth main bracket 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 62 ...

Страница 72: ...r details see 6 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly NOTICE l Do not stand an RRU upright because the RF ports cannot support the weight of the RRU l Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation Context Figure 7 22 shows the top view of an RRU installed on U steel NOTICE When the width of...

Страница 73: ...ne a position for installing the mounting brackets according to the instructions in 3 5 1 Clearance for a Single RRU l If the RRU is installed on the ground determine a position for installing the mounting brackets according to the instructions in Figure 7 23 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 64 ...

Страница 74: ... be provided Step 2 Install the RRU mounting brackets as shown in Figure 7 24 Figure 7 24 Installing the RRU mounting brackets NOTE Ensure that the arrows on the mounting brackets are pointing up 1 Adjust the position of the nut and remove the square neck bolt at the open end from the slot on the auxiliary bracket 2 Slide the mounting brackets onto the U steel horizontally and insert the square ne...

Страница 75: ...asure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides Figure 7 25 Securing the RRU mounting brackets Step 4 Use an inner hexagon torque screwdriver to remove the attachment plate from one side of the RRU reinstall the attachment plate onto the rear of the RRU and tighten the four stainless screws to 5 N m 44 25 lbf in as shown in Figure 7 26 ...

Страница 76: ... the main bracket Step 6 Use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 28 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 67 ...

Страница 77: ...n RRU on U steel secured on a tower the RRU and its mounting brackets are hoisted onto the tower For details see 6 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly NOTICE l Do not stand an RRU upright because the RF ports cannot support the weight of the RRU l Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installa...

Страница 78: ...l secured on the ground determine a position for installing the mounting brackets according to Figure 7 30 Figure 7 30 Distance between the mounting brackets and the ground NOTE As shown in the figure above it is recommended that the mounting kits be installed at a position 1200 mm 47 24 in to 1600 mm 59 06 in high above the ground If the space is insufficient only the 3 5 Installation Clearance R...

Страница 79: ...ly and insert the square neck bolt into the slot Step 3 Use a 16 mm 0 67 in M10 torque wrench to tighten the nuts to 40 N m 354 03 lbf in so that the mounting brackets are secured onto the angle steel as shown in Figure 7 32 NOTICE Tighten the nuts on the two square neck bolts synchronously After the main and auxiliary brackets are secured properly measure the spacing between the brackets on both ...

Страница 80: ...attachment plate onto the rear of the RRU and tighten the four stainless screws to 5 N m 44 25 lbf in as shown in Figure 7 33 Figure 7 33 Installing the attachment plate onto the rear of the RRU Step 5 Install the RRU onto the main bracket as shown in Figure 7 34 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 71 ...

Страница 81: ...holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 35 Figure 7 35 Securing the captive screw into the connection hole End 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 72 ...

Страница 82: ...equirements l For each RRU the wall must be able to bear a weight four times heavier than the RRU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall l Expansion bolts must be tightened to 30 N m to ensure that the bolts work properly and the wall remains intact Procedure Step 1 Disassemble the RRU mounting brackets as shown in Figure 7 36 Figure 7 36 Disassembling the ...

Страница 83: ...t the pole installation bracket is placed horizontally and then mark anchor points with a marker as shown in Figure 7 37 Figure 7 37 Marking anchor points 1 Level 2 Pole installation bracket 3 RRU NOTE As shown in the figure above it is recommended that the pole installation bracket be installed at a position 1200 mm 47 24 in to 1600 mm 59 06 in high above the ground If the space is insufficient o...

Страница 84: ...olts slightly and place one vertically into each hole 3 Use a rubber mallet to pound the expansion anchor bolt until it goes into the hole completely 4 Tighten and then loosen the expansion bolt and remove the M10 bolt spring washer and flat washer in sequence NOTICE After dismantling an expansion anchor bolt ensure that the top of the expansion sleeve is on the same level as the wall Otherwise th...

Страница 85: ...ole installation bracket using four M6x16 inner hexagon screws and use an inner hexagon torque screwdriver to tighten the inner hexagon screws to 5 N m 44 25 lbf in so that the main bracket and pole installation bracket are firmly secured as shown in Figure 7 40 Figure 7 40 Installing the main bracket 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co L...

Страница 86: ...ar of the RRU and tighten the four stainless screws to 5 N m 44 25 lbf in as shown in Figure 7 41 Figure 7 41 Installing the attachment plate onto the rear of the RRU Step 7 Install the RRU onto the main bracket as shown in Figure 7 42 Figure 7 42 Installing the RRU onto the main bracket 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 77 ...

Страница 87: ...sites The hoist clamp on the main bracket is secured properly NOTICE l Do not stand an RRU upright because the RF ports cannot support the weight of the RRU l Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation Context l The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of RRUs l RRUs can be installed ...

Страница 88: ... installing the pole installation bracket you need to use the M10x50 bolts delivered with the IFS06 l Rubber washers are easily compressed or broken whereas do not need to be replaced Procedure Step 1 Disassemble the RRU mounting brackets as shown in Figure 7 44 Figure 7 44 Disassembling the RRU mounting brackets 1 Main bracket 2 Square neck bolt 3 Pole installation bracket 4 Auxiliary bracket 5 F...

Страница 89: ...bracket as shown in Figure 7 45 Figure 7 45 Installing the pole installation bracket in height unrestricted scenarios 1 Spring washer 2 Rubber washer Step 3 Attach the main bracket to the pole installation bracket and use an inner hexagon screwdriver to tighten four M6x16 screws to 5 N m 44 25 lbf in so that the main bracket and pole installation bracket are firmly secured as shown in Figure 7 46 ...

Страница 90: ...n use an inner hexagon screwdriver to tighten the captive screw into the holes of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 47 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 81 ...

Страница 91: ...ng the RRU onto the main bracket Step 5 Install the RRUs on the lower level from left to right as shown in Figure 7 48 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 82 ...

Страница 92: ...r than the lowest operating temperature of the RRU and at least 10 C 10 F lower than the highest operating temperature of the RRU repeat the preceding steps to install the RRUs on the higher level as shown in Figure 7 49 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 83 ...

Страница 93: ...Figure 7 49 Installing RRUs on the higher level End 7 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 84 ...

Страница 94: ...r installing an RRU RF jumper 8 7 Installing an RRU AISG Multi Wire Cable and AISG Extension Cable This section describes the procedures for installing an RRU AISG multi wire cable and AISG extension cable 8 8 Installing an RRU Alarm Cable This section describes the procedure for installing an RRU alarm cable 8 9 Opening the Cover Plate of an RRU Cabling Cavity This section describes the procedure...

Страница 95: ...This section describes the procedure for closing the cover plate of an RRU cabling cavity 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 86 ...

Страница 96: ...s of the same type must be bound together l Different types of cables must be separately laid out and bound with a minimum distance of 30 mm 1 18 in from each other l The cables must be bound tightly and neatly The sheaths of the cables must not be damaged l The cable ties must face the same direction and those at the same horizontal line must be in a straight line l The excess of the indoor cable...

Страница 97: ...abinet but cover the cable trough and connect the tubes to the cable holes in the base l When routing RRU cables ensure that the highest positions of the routes of all RRU cables except RF cables and AISG cables must be lower than the bottom of the RRU l Use clips to secure cables outdoors For the method of installing a clip see the installation guide delivered with the clip l Arrange cables neatl...

Страница 98: ...or power cables The following figure shows the cables secured on a cable tray Figure 8 2 Cables secured on a cable tray 1 3 hole clip 2 6 hole clip The following figure shows the cables secured on a tower 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 89 ...

Страница 99: ...s is insufficient replace the cables rather than adding connectors or soldering joints to lengthen the cables l Cables can only be laid out under well planned instructions The cabling activities of fiber optic cables are allowed only when qualified personnel and communication facilities are available l Do not circle and twist cables 8 Installing RRU Cables Issue Huawei Proprietary and Confidential...

Страница 100: ...signal cables must be installed separately A certain distance must be reserved between them to prevent interference from each other l Switches or fuses must not be installed on the PGND cables l Other devices must not be used for electrical connections of the PGND cables l All the metal parts in the housing of the equipment must be reliably connected to the ground terminal Cabling of E1 cables l E...

Страница 101: ...al devices such as a fiber coiler l An unarmored fiber optic cable must be bound using binding straps If a fiber optic patch cord 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 fiber optic cables can flexibly move in the cable ties Do not bend the fiber optic cab...

Страница 102: ...FE GE fiber optic cables routed in the cabinet l After routing a fiber optic cable 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 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 93 ...

Страница 103: ...ng the cables on the tower 8 2 RRU Cable Connections This section describes RRU cable connections NOTE The RRU does not support power cable cascading Figure 8 9 shows the cable connections of a single mode RRU Figure 8 9 Cable connections of a single mode RRU 1 RRU PGND cable 2 RRU RF jumper 3 RRU AISG multi wire cable 4 RRU AISG extension cable 5 RRU power cable 6 CPRI optical fiber 7 RRU alarm c...

Страница 104: ... RRU AISG multi wire cable 4 RRU AISG extension cable 5 RRU power cable 6 CPRI optical fiber 7 RRU alarm cable Figure 8 11 shows the cable connections of multiple single mode RRUs 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 95 ...

Страница 105: ...de RRUs 1 RRU PGND cable 2 RRU RF jumper 3 RRU power cable 4 CPRI optical fiber Figure 8 12 shows the cable connections of multiple multimode RRUs 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 96 ...

Страница 106: ...Us 8 3 Installing RRU Cables This chapter describes the procedure for installing RRU cables Figure 8 13 shows the procedure for installing RRU cables 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 97 ...

Страница 107: ...ables Cable One End The Other End Connector Installation Position Connector Installation Position RRU PGND Cable OT terminal M6 16 mm2 or 0 025 in 2 Ground terminal on the RRU OT terminal M8 16 mm2 or 0 025 in 2 Ground terminal on the ground bar 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 98 ...

Страница 108: ...ector RET port on the RRU Standard AISG female connector Standard AISG male connector on the RCU or on the AISG extension cable RRU AISG Extension Cable Standard AISG male connector Standard AISG female connector on the AISG multi wire cable Standard AISG female connector Standard AISG male connector on the RCU 8 5 Installing an RRU PGND Cable This section describes the procedure for installing an...

Страница 109: ...nal 1 2 Ground terminal 2 NOTE l Select a ground terminal according to site conditions When RRUs are installed in standard mode ground terminal 1 is recommended as shown in A of Figure 8 14 When RRUs are installed in side mounted mode ground terminal 2 is recommended as shown in B of Figure 8 14 l When the RRU PGND cable uses OT terminals with two holes use two screws to tighten the OT terminals T...

Страница 110: ...scribes the procedure for installing an RRU RF jumper Procedure Step 1 Connect the 4 3 10 straight male connector on the RRU RF jumper to the antenna port and use a torque wrench to tighten the connector to 5 N m 44 25 lbf in as shown in Figure 8 16 Figure 8 16 Installing an RRU RF jumper 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 101 ...

Страница 111: ...nal length l Do not stretch the PVC insulation tape when wrapping the PVC insulation tape l Wrap each layer of tape around the connector tightly and neatly and ensure that each layer of tape overlaps more than 50 of the preceding layer Ensure that neighboring layers are stuck to each other l Ensure that the adhesive surface of the tape overlaps the lower layer l When cutting off the cable ties res...

Страница 112: ...re wrapping waterproof tape stretch the tape evenly until the length of the tape becomes twice its original length l Do not stretch the PVC insulation tape when wrapping the PVC insulation tape l Wrap each layer of tape around the connector tightly and neatly and ensure that each layer of tape overlaps more than 50 of the preceding layer Ensure that neighboring layers are stuck to each other l Ens...

Страница 113: ...er according to the instructions in Attaching the Color Ring End 8 7 Installing an RRU AISG Multi Wire Cable and AISG Extension Cable This section describes the procedures for installing an RRU AISG multi wire cable and AISG extension cable Context When the distance between an RRU and a Remote Control Unit RCU is longer than 5 m 16 4 ft an AISG multi wire cable is not long enough to connect the RR...

Страница 114: ... cables according to the instructions in Attaching an L Shaped Label l Install an AISG multi wire cable that is configured with an AISG extension cable 1 Use an M3 flat head screwdriver to loosen the screws on the dustproof cap on the RET port and remove the dustproof cap 2 Link the waterproofed DB9 connector at one end of the AISG multi wire cable to the RET port on the RRU bottom and link the ot...

Страница 115: ...waterproof DB9 connector to 0 4 N m 3 54 lbf in 4 Connect the other end of the AISG extension cable to the standard AISG male connector on the RCU as shown in Figure 8 21 Figure 8 21 Installing an RRU AISG extension cable 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 106 ...

Страница 116: ...f cap on the EXT_ALM port and remove the dustproof cap Step 2 Connect the waterproof DB15 connector at one end of the RRU alarm cable to the EXT_ALM port on the RRU as shown in Figure 8 22 Figure 8 22 Installing an RRU alarm cable NOTE Install the waterproof DB15 male connector on the RRU alarm cable with caution preventing the pin assignment from being damaged Step 3 Use an M3 Phillips screwdrive...

Страница 117: ...ting and equipment damage due to contact of exposed cables Figure 8 24 shows the method for handling cord end terminals not in use Figure 8 23 Removing insulated protective tubes from the cord end terminals Figure 8 24 Method for handling cord end terminals that are not in use Step 5 Route the cables according to the instructions in 8 1 Cabling Requirements and then use cable ties to bind the cabl...

Страница 118: ...oards modules or electronic components Step 2 Use an M4 Phillips screwdriver to rotate the locking screw on the cover plate on the cabling cavity 90 degrees and pull the handle outwards to open the RRU cabling cavity as shown in Figure 8 25 Figure 8 25 Opening the cover plate of the RRU cabling cavity 1 Locking screw Figure 8 26 shows the internal structure of the cabling cavity 8 Installing RRU C...

Страница 119: ... procedure for installing a CPRI optical cable Prerequisites Before the installation single mode optical modules can be distinguished from multimode optical modules in either of the following ways l SM and MM labels on an optical module SM indicates a single mode optical module and MM indicates a multimode optical module l Color of the puller on an optical module Blue indicates a single mode optic...

Страница 120: ... raise the pullers as shown in Figure 8 27 Figure 8 27 Installing an optical module NOTICE The performance of an optical module that is exposed to the air for more than 20 minutes may be abnormal Therefore you must insert an fiber optic cable into an unpacked optical module within 20 minutes Step 2 Connect the end labeled 1A and 1B of the optical cable to the optical module on the RRU side as show...

Страница 121: ...ns in 8 1 Cabling Requirements and then use cable ties to bind the cables Step 5 Label the installed cables according to the instructions in Attaching an L Shaped Label End 8 11 Installing an RRU Power Cable This section describes the procedure for installing an RRU power cable Prerequisites l A tool less female connector pressfit type is added to the RRU power cable on the RRU side For details se...

Страница 122: ...N wire is brown and the NEG wire is blue DCD U 11 B EPC5 connector DCD U 12 B CAUTION l Before installing the RRU power cable ensure that the upper level circuit breaker is switched off and the power cable has no voltage l A drip loop is required for the position between the RRU port and the cable preventing rain from damaging the RRU l When installing the RRU power cable connect the power cable t...

Страница 123: ...ximum of six RRUs Ensure that the RRU power cable is connected to one of RRU0 to RRU5 ports on the EPU l When the RRU power cable is connected to the EPU the blue core wire in the tool less female connector pressfit type is connected to the upper port on the EPU and the black brown core wire is connected to the lower port on the EPU Step 3 Route the cables according to the instructions in 8 1 Cabl...

Страница 124: ...sure that the exposed shield layer of the power cable is properly tightened using the clip Figure 8 30 Fastening cables using clips Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity as shown in Figure 8 31 NOTICE Ensure that cables and waterproof blocks are properly inserted into troughs 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawe...

Страница 125: ...ue screwdriver to rotate the locking screw on the cover plate on the cabling cavity 90 degrees to ensure that the cover plate is locked as shown in Figure 8 32 NOTICE The RRU cabling cavity must be securely tightened to prevent water 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 116 ...

Страница 126: ...losing the cover plate of an RRU cabling cavity Step 4 Take off the ESD gloves and pack up all the tools End 8 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 117 ...

Страница 127: ...aps and the caps are tightened 5 There are no connectors or joints on each power cable or PGND cable 6 The terminals at two ends of each power cable or PGND cable are securely soldered or crimped 7 None of power cables and PGND cables can be short circuited or reversely connected In addition these cables are not damaged or broken 8 Power cables and PGND cables are separately bound from other cable...

Страница 128: ...for maintenance you must restore power to the RRU within 24 hours Figure 10 1 shows the RRU power on check process NOTE For details about how to power on an RRU see Powering On an RRU For details about how to power off an RRU see section Powering Off the RRU in RRU Maintenance Guide 10 Powering On an RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 119 ...

Страница 129: ...48 V DC The voltage of the external power supply should range from 36 V DC to 57 V DC b The RUN indicator on the RRU is on for 1s and off for 1s The ALM indicator is steady off 10 Powering On an RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 120 ...

Страница 130: ...essfit Type to the RRU Power Cable on the RRU Side This section describes the procedure for adding a tool less female connector pressfit type to the RRU power cable on the RRU side 11 Appendix Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 121 ...

Страница 131: ...gure 11 1 Cable diagram on labels 1 Cable diagram on labels NOTICE Prepare a Tool Less Female Connector Pressfit Type to the RRU Power Cable on the RRU Side by strictly following the following operations Otherwise damage to the RRU or personal injury may occur Procedure Step 1 Determine the length of the power cable for different operations based on the labels as shown in Figure 11 2 11 Appendix I...

Страница 132: ... wire The length must be consistent with the length of the notch in the tool less female connector pressfit type as shown in Figure 11 4 Figure 11 4 Stripping the sheath off each core wire Figure 11 5 Matched length Step 4 Add a tool less female connector pressfit type to two core wires 1 Tighten the screws using a Phillips screwdriver as shown in Figure 11 6 11 Appendix Issue Huawei Proprietary a...

Страница 133: ...e and negative poles may result in equipment malfunctions or personal injury Therefore check the power cable connection before powering on the RRU Figure 11 7 Adding a tool less female connector pressfit type to two core wires 3 After the core wires are installed ensure that each core wire is securely installed after being dragged with a torque of 30 N m and all copper wires are inserted in the co...

Страница 134: ...osed outside the tool less female connector pressfit type for 1 5 mm 0 059 in as shown in Figure 11 9 Figure 11 9 Inserting core wires into the tool less female connector pressfit type End 11 Appendix Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 125 ...

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