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7.4 Installing the RRU on Angle Steel

This section describes the procedure for installing the RRU on angle steel and the precautions
that must be taken during the installation. The RRU installed on angle steel can be mounted to
a tower or placed on the ground. It is recommended that only one RRU be installed on angle
steel.

Prerequisites

Before you install an RRU on a tower, the RRU and mounting kits are hoisted onto the tower.
For details, see

6.1 Hoisting an RRU onto a Tower

The hoist clamp on the main mounting bracket is secured properly.

Context

Figure 7-28

shows the top view of the RRU installed on angle steel.

Figure 7-28

Top view of the RRU

(1) Angle steel

Procedure

Step 1

Determine a position for installing the main mounting bracket.

l

If the RRU must be installed on a tower, see

3.5.1 Installation Clearance for a Single

to determine a position.

l

If the RRU must be installed on the ground, see

Figure 7-29

to determine a position.

RRU3201
Installation Guide

7 Installing the RRU

Issue 06 (2012-04-16)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

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Содержание RRU3201

Страница 1: ...RRU3201 Installation Guide Issue 06 Date 2012 04 16 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...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 to ensu...

Страница 3: ... Guide This chapter describes the changes in the RRU3201 Installation Guide 2 Installation Preparations This chapter describes the reference documents tools and instruments that must be ready before the installation In addition it specifies the skills and prerequisites that installation engineers must have 3 Information About the Installation Before installing an RRU you must be familiar with its ...

Страница 4: ...r an RRU is installed check the hardware installation 10 Powering On an RRU After all the devices are installed check the power on status of an RRU 11 Appendix This section describes the procedure for adding OT terminals Conventions Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not a...

Страница 5: ...in brackets are optional x y Optional items are grouped in braces and separated by vertical bars One item is selected x y Optional items are grouped in brackets and separated by vertical bars One item is selected or no item is selected x y Optional items are grouped in braces and separated by vertical bars A minimum of one item or a maximum of all items can be selected x y Optional items are group...

Страница 6: ... 1 Key 2 Press the keys in turn For example pressing Alt A means the two keys should be pressed in turn Mouse Operations The mouse operations that may be found in this document are defined as follows Action Description Click Select and release the primary mouse button without moving the pointer Double click Press the primary mouse button twice continuously and quickly without moving the pointer Dr...

Страница 7: ...allation Spacing Between RRUs 21 4 Unpacking the Equipment 25 5 Installation Process 27 6 Hoisting an RRU and Related Cables onto a Tower 28 6 1 Hoisting an RRU onto a Tower 29 6 2 Hoisting Fiber Optic Cables onto a Tower 32 6 3 Hoisting Power Cables onto a Tower 35 7 Installing the RRU 37 7 1 Mounting Kits for an RRU 38 7 2 Installing the RRU on a Pole 38 7 2 1 Installing a Single RRU 41 7 2 2 In...

Страница 8: ... 8 Opening the Cover Plate of an RRU Cabling Cavity 76 8 9 Installing an RRU power cable 78 8 10 Installing a CPRI Fiber Optic Cable 80 8 11 Closing the Cover Plate of an RRU Cabling Cavity 82 9 Checking the RRU Hardware Installation 84 10 Powering On an RRU 85 11 Appendix 86 11 1 Adding OT Terminals to the RRU Power Cable on the RRU Side 87 RRU3201 Installation Guide Contents Issue 06 2012 04 16 ...

Страница 9: ...ial release Compared with issue 04 2011 09 15 this issue includes the following new information l 6 Hoisting an RRU and Related Cables onto a Tower l 6 2 Hoisting Fiber Optic Cables onto a Tower l 6 3 Hoisting Power Cables onto a Tower Compared with issue 04 2011 09 15 this issue includes the following changes Topic Change Description 4 Unpacking the Equipment Added the requirements for powering o...

Страница 10: ...the following change Topic Change Description 3 5 2 Installation Clearance for Multiple RRUs Optimized the clearance requirements for multiple RRUs installed on a wall in standard mode Compared with issue 02 2011 06 10 no information is deleted from this issue 02 2011 06 10 This is the second official release Compared with issue 01 2011 01 20 this issue does not include any new information Compare...

Страница 11: ...This is a draft Compared with issue 02 2010 07 30 of V100R002C00 this issue does not include any new information Compared with issue 02 2010 07 30 of V100R002C00 this issue does not include any changes Compared with issue 02 2010 07 30 of V100R002C00 the following information is deleted from this issue Topic Deletion Cause Adding terminals to the RRU power cable on the power device side The conten...

Страница 12: ...liar with reference documents 2 2 Tools and Instruments All tools and instruments required for RRU installation must be ready 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 RRU3201 Installation Guide 2 Insta...

Страница 13: ...ing reference document is required l DBS3900 ICR Installation Guide 2 2 Tools and Instruments All tools and instruments required for RRU installation must be ready before the installation Hammer drill a φ 14 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 Utility knife Cable cutter Adjustable wrench ...

Страница 14: ...e personnel must be familiar with correct operation methods and safety precautions Before the installation 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...

Страница 15: ...r panel 3 3 RRU Indicators This section describes six indicators on an RRU They indicate the running status 3 4 Installation Options This section describes RRU installation options An RRU can be installed on a pole U steel angle steel or wall 3 5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU and multiple RRUs an...

Страница 16: ... the left has a housing and the RRU on the right does not have a housing Figure 3 1 RRU exterior Figure 3 2 shows RRU dimensions Figure 3 2 RRU dimensions RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 ...

Страница 17: ...panel and indicator panel Figure 3 3 shows RRU ports on the panels Figure 3 3 RRU ports on the panels Table 3 1 describes RRU ports and indicators on the panels RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 9 ...

Страница 18: ... 1 3 Indicators RUN For details see 3 3 RRU Indicators ALM TX_ACT VSWR CPRI_W CPRI_E NOTE The port for transmitting RET signals is determined by the software 3 3 RRU Indicators This section describes six indicators on an RRU They indicate the running status For detailed positions of RRU indicators see 3 2 RRU Ports Table 3 2 describes RRU indicators Table 3 2 RRU indicators Label Color Status Desc...

Страница 19: ...on VSWR alarms are generated on the ANT TX RXA port Blinking on for 1s and off for 1s VSWR alarms are generated on the ANT TX RXB 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 CPRI_W Red and green Steady green The CPRI link is available Steady red An optical module fails to transmit or receive signals because the optical module is f...

Страница 20: ...alled or the optical module is powered off 3 4 Installation Options This section describes RRU installation options An RRU can be installed on a pole U steel angle steel or wall CAUTION The vertical deviation angle of an RRU must be less than or equal to 10 degrees as shown in Figure 3 4 Figure 3 4 Requirements for the vertical deviation angle of an RRU 1 RRU 2 Pole U steel angle steel or wall Ins...

Страница 21: ... side mounted installation is not recommended l If three or more RRUs must be installed on a pole in centralized mode the diameter of the pole must range from 76 mm 2 99 in mm to 114 mm 4 49 in Figure 3 6 shows an RRU installed on a pole Figure 3 6 RRU installed on a pole Installing an RRU on U steel Figure 3 7 shows U steel specifications RRU3201 Installation Guide 3 Information About the Install...

Страница 22: ...3 8 shows an RRU installed on U steel Figure 3 8 RRU installed on U steel Installing an RRU on Angle Steel Figure 3 9 shows angle steel specifications RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 14 ...

Страница 23: ...nstalled must meet the following requirements l When a single RRU is installed the wall has a capacity of bearing at least four times the weight of the RRU l Expansion bolts must be tightened to 30 N m 265 52 lbf in to ensure the bolts work properly and the wall remains intact without cracks in it RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietar...

Страница 24: ...RU installed on a wall 3 5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 16...

Страница 25: ...leave the minimum installation clearance 3 5 1 Installation Clearance for a Single RRU This section describes the recommended and minimum installation clearance for a single RRU Recommended Installation Clearance for a Single RRU Figure 3 13 shows the recommended installation clearance for a single RRU Figure 3 13 Recommended installation clearance for a single RRU Minimum Installation Clearance f...

Страница 26: ...installed on a tower Figure 3 15 Minimum installation clearance for a single RRU installed on a tower 3 5 2 Installation Clearance for Multiple RRUs This section describes the recommended and minimum installation clearance for multiple RRUs RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 18...

Страница 27: ...talled in centralized mode Minimum Installation Clearance for Multiple RRUs Installed in Centralized Mode Figure 3 17 shows the minimum installation clearance for multiple RRUs installed in centralized mode Figure 3 17 Minimum installation clearance for multiple RRUs installed in centralized mode RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary...

Страница 28: ...nded clearance for multiple RRUs installed on a wall in standard mode Minimum Clearance for Multiple RRUs Installed on a Wall in Standard Mode Figure 3 19 shows the minimum clearance for multiple RRUs installed on a wall in standard mode RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 20 ...

Страница 29: ... multiple RRUs side mounted on a wall Figure 3 20 Recommended clearance for multiple RRUs side mounted on a wall 3 5 3 Installation Spacing Between RRUs This section describes the horizontal and vertical installation spacing between RRUs RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 21 ...

Страница 30: ... Between RRUs Figure 3 22 shows the minimum horizontal spacing between RRUs Figure 3 22 Minimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3 23 shows the recommended vertical spacing between RRUs RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 22 ...

Страница 31: ...inimum Vertical Spacing Between RRUs Figure 3 24 shows the minimum vertical spacing between RRUs RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 23 ...

Страница 32: ...re 3 24 Minimum vertical spacing between RRUs RRU3201 Installation Guide 3 Information About the Installation Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 24 ...

Страница 33: ...ves CAUTION 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 the cause and report ...

Страница 34: ...ally with those on the packing list Sign the Packing List with the customer Either shipment shortage wrong shipment or damaged articles Report to the local Huawei office WARNING 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...

Страница 35: ...king the RRU hardware installation and powering on the RRU Figure 5 1 shows the process of installing an RRU Figure 5 1 Process of installing an RRU RRU3201 Installation Guide 5 Installation Process Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 27 ...

Страница 36: ...cribes the procedure for hoisting the RRU and mounting kits onto the tower and the precautions that must be taken 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 t...

Страница 37: ...stalled on a tower only one RRU can be installed in standard mode or reverse mode Two RRUs cannot be installed on the side or on a pole in back to back mode and the brackets for more than two RRUs cannot be combined Procedure Step 1 Bind the RRU and mounting kits properly using a lifting sling as shown in Figure 6 1 Figure 6 1 Binding mounting kits for the RRU Step 2 Bind the RRU by leading the li...

Страница 38: ...tect them from colliding with the ground and tower l Hoist the RRU onto the tower before it is installed on a pole angle steel or U steel CAUTION Do not hoist the RRU by the handle only as shown in Figure 6 3 RRU3201 Installation Guide 6 Hoisting an RRU and Related Cables onto a Tower Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 30 ...

Страница 39: ...wn in Figure 6 4 Figure 6 4 Hoisting the RRU and mounting kits onto the tower 1 Lifting sling 2 Fixed pulley 3 Traction sling RRU3201 Installation Guide 6 Hoisting an RRU and Related Cables onto a Tower Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 31 ...

Страница 40: ...g 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 optic 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 Procedure Step 1 Lead one sling through the stretch sling of the fiber optic cables an...

Страница 41: ...as shown in Figure 6 6 Figure 6 6 Incorrect binding method Step 2 Hoist the fiber optic cables onto the tower as shown in Figure 6 7 RRU3201 Installation Guide 6 Hoisting an RRU and Related Cables onto a Tower Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 33 ...

Страница 42: ...ion sling 3 Installation 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 Step 3 Secure the fiber optic cables to the tower vertically using...

Страница 43: ...as a lifting sling to secure the power cables 0 4 m 1 31 ft away from the power connectors and use the other sling as a traction sling to secure the power cables 4 4 m 14 44 ft away from the power connectors as shown in Figure 6 8 Figure 6 8 Binding power cables 1 Lifting sling 2 Traction sling Step 2 Hoist the power cables onto the tower as shown in Figure 6 9 RRU3201 Installation Guide 6 Hoistin...

Страница 44: ...the lifting sling downwards and installation engineer C pulls the traction sling outwards to protect the power cables from colliding with the tower Step 3 Secure the power cables to the tower vertically using cable clips Step 4 Remove the lifting sling and traction sling NOTE The procedure for hoisting the power cables onto the tower is for your reference only End RRU3201 Installation Guide 6 Hois...

Страница 45: ...n describes the procedure for installing the RRU on U steel and the precautions that must be taken during the installation The RRU installed on U steel can be mounted to a tower or placed on the ground It is recommended that only one RRU be installed on U steel 7 4 Installing the RRU on Angle Steel This section describes the procedure for installing the RRU on angle steel and the precautions that ...

Страница 46: ...te Figure 7 2 shows the bracket assembly for an RRU Figure 7 2 Bracket assembly for an RRU 1 Auxiliary mounting bracket 2 Dual nut bolt assembly 3 Main mounting bracket 4 Hoist clamp on the main mounting bracket 7 2 Installing the RRU on a Pole One or more RRUs can be installed on a pole RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyrig...

Страница 47: ...7 4 shows two RRUs installed on a pole Figure 7 4 Two RRUs installed on a pole Figure 7 5 Figure 7 6 and Figure 7 7 show more than two RRUs installed on a pole RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 39 ...

Страница 48: ...on a pole in centralized mode Figure 7 6 Four RRUs installed on a pole in centralized mode RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 40 ...

Страница 49: ...onto a Tower The hoist clamp on the main mounting bracket is secured properly Procedure Step 1 Determine a position for installing the main mounting bracket l If the RRU must be installed on a tower see 3 5 1 Installation Clearance for a Single RRU to determine a position l If the RRU must be installed on the ground see Figure 7 8 to determine a position Figure 7 8 Distance between the main mounti...

Страница 50: ...he main mounting bracket is pointing up Step 4 Using a torque wrench tighten the nuts to 40 N m 354 03 lbf in to secure the bracket assembly onto the pole as shown in Figure 7 10 CAUTION Tighten the two dual nut bolt assemblies alternatively 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 t...

Страница 51: ...re 7 11 Installing the RRU on the main mounting bracket End 7 2 2 Installing Two RRUs This section describes the procedure for installing two RRUs on a pole and the precautions that must be taken during the installation RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 43 ...

Страница 52: ...ting bracket to secure the second RRU as shown in Figure 7 13 Figure 7 13 Installing the second main mounting bracket Step 3 Interchange the cover plate in the front and the attachment plate and stainless steel screws at the rear of the second RRU as shown in Figure 7 14 RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technol...

Страница 53: ... the attachment plate to 5 N m 44 25 lbf in using a torque screwdriver Step 4 Install the second RRU on the main mounting bracket as shown in Figure 7 15 NOTE When you install two RRUs in back to back mode ensure that the cabling cavities of these two RRUs face the same direction Figure 7 15 Installing the second RRU on the main mounting bracket 1 RRU installed in standard mode 2 RRU installed in ...

Страница 54: ... and the cover plate on the RRU side as shown in Figure 7 16 Figure 7 16 Interchanging the attachment plate at the RRU rear and the cover plate on the RRU side 1 Remove the attachment plate from the RRU rear using an inner hexagon screwdriver 2 Remove the cover plate from the RRU side 3 Install the cover plate onto the RRU rear 4 Install the attachment plate onto the RRU side and tighten the stain...

Страница 55: ...st main mounting bracket as shown in Figure 7 18 Figure 7 18 Installing the second main mounting bracket Step 5 Install the second RRU on the second main mounting bracket as shown in Figure 7 19 RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 47 ...

Страница 56: ...rd RRU on the main mounting bracket as shown in Figure 7 20 Figure 7 20 Installing the third RRU on the third main mounting bracket Step 7 Install the fourth main mounting bracket as shown in Figure 7 21 RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 48 ...

Страница 57: ...ng the RRU on U steel This section describes the procedure for installing the RRU on U steel and the precautions that must be taken during the installation The RRU installed on U steel can be mounted to a tower or placed on the ground It is recommended that only one RRU be installed on U steel RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential C...

Страница 58: ...d on U steel Figure 7 23 Top view of the RRU 1 U steel Procedure Step 1 Determine a position for installing the main mounting bracket l If the RRU must be installed on a tower see 3 5 1 Installation Clearance for a Single RRU to determine a position l If the RRU must be installed on the ground see Figure 7 24 to determine a position RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 ...

Страница 59: ...on U steel and then fit the other end of the auxiliary mounting bracket to the other dual nut bolt assembly as shown in Figure 7 25 Figure 7 25 Installing the bracket assembly NOTE Verify that the arrow on the main mounting bracket is pointing up Step 4 Using a torque wrench tighten the nuts to 40 N m 354 03 lbf in to secure the bracket assembly onto the U steel as shown in Figure 7 26 RRU3201 Ins...

Страница 60: ...pacing is the same on the two sides Figure 7 26 Securing the bracket assembly onto U steel Step 5 Install the RRU on the main mounting bracket until the RRU snaps shut as shown in Figure 7 27 Figure 7 27 Installing the RRU on the main mounting bracket End RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 52 ...

Страница 61: ... 6 1 Hoisting an RRU onto a Tower The hoist clamp on the main mounting bracket is secured properly Context Figure 7 28 shows the top view of the RRU installed on angle steel Figure 7 28 Top view of the RRU 1 Angle steel Procedure Step 1 Determine a position for installing the main mounting bracket l If the RRU must be installed on a tower see 3 5 1 Installation Clearance for a Single RRU to determ...

Страница 62: ...le steel and then fit the other end of the auxiliary mounting bracket to the other dual nut bolt assembly as shown in Figure 7 30 Figure 7 30 Installing the bracket assembly NOTE Verify that the arrow on the main mounting bracket is pointing up Step 4 Using a torque wrench tighten the nuts to 40 N m 354 03 lbf in to secure both the bracket assembly onto the angle steel as shown in Figure 7 31 RRU3...

Страница 63: ...cing is the same on the two sides Figure 7 31 Securing the bracket assembly onto angle steel Step 5 Install the RRU on the main mounting bracket until the RRU snaps shut as shown in Figure 7 32 Figure 7 32 Installing the RRU on the main mounting bracket End RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 5...

Страница 64: ... to 30 N m 265 52 lbf in to ensure the bolts work properly and the wall remains intact without cracks in it Procedure Step 1 Place the auxiliary mounting bracket against the installation position use a level to verify that the auxiliary mounting bracket is placed horizontally and then mark anchor points with a marker as shown in Figure 7 33 Figure 7 33 Marking anchor points 1 Auxiliary mounting br...

Страница 65: ...rting an expansion bolt assembly 1 Use a hammer drill with a φ14 bit to drill holes vertically at the marked anchor points Ensure that the depth of each hole ranges from 55 mm 2 17 in to 60 mm 2 36 in WARNING Take proper safety measures to protect your eyes and respiratory tract against the dust before drilling holes RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Propri...

Страница 66: ... 0 79 in to 30 mm 1 18 in of the expansion bolt outside the wall Step 3 Fit the auxiliary mounting bracket on the expansion bolt and then use a torque wrench 17 mm 0 67 in to tighten the expansion bolt to 30 N m 265 52 lbf in as shown in Figure 7 36 Figure 7 36 Fitting the auxiliary mounting bracket on expansion bolts CAUTION Verify that the arrow on the auxiliary mounting bracket is pointing up S...

Страница 67: ...ll the RRU on the main mounting bracket until the RRU snaps shut as shown in Figure 7 38 Figure 7 38 Installing the RRU RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 59 ...

Страница 68: ... End RRU3201 Installation Guide 7 Installing the RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 60 ...

Страница 69: ...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 Opening the Cover Plate of an RRU Cabling Cavity This section describes the procedure for opening the cover plate of an RRU cabling cavity 8 9 Installing an RRU power cable This section descri...

Страница 70: ...e diameter of the cable Requirements for Cable Binding l The same types of cable must be bound together l Different types of cable must be separately routed with the minimum spacing of 30 mm 1 18 in and cannot be entangled l The cables must be bound tightly and neatly The sheaths of the cables must not be damaged l Cable ties are installed in the same direction and those at the same horizontal lin...

Страница 71: ... through a pipe along the metal cable trough do not lead the pipe into the cabinet base The cable trough must be sealed and routed through the cable hole at the cabinet bottom l Cables are secured with cable clips l Cables are routed neatly along the specified cabling direction and secured with cable clips l The positions for cable clips are determined onsite For example the cable clips for the 7 ...

Страница 72: ...cables on the cable tray Secure cables on the tower as shown in Figure 8 2 RRU3201 Installation Guide 8 Installing RRU Cables Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 64 ...

Страница 73: ...cuments l If the length of power cables is insufficient replace the cables rather than adding connectors or soldering joints to lengthen the cables l Cables must be routed by only qualified and trained personnel before all preparations are made RRU3201 Installation Guide 8 Installing RRU Cables Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 65 ...

Страница 74: ...ND cables or RF cables in parallel the spacing between them must be greater than 30 mm 1 18 in l E1 cables are routed straightly and bound neatly with cable ties l Sufficient slack is provided in E1 cables at turns Cabling Requirements for Fiber Optic Cables l Fiber optic cables must be routed by at least three qualified and trained personnel before all preparations are made l Fiber optic cables a...

Страница 75: ...system but not from an upper level RRU using a power cable Figure 8 3 shows the cable connections for a single RRU Figure 8 3 Cable connections for a single RRU 1 PGND cable 2 RRU RF jumper 3 RRU AISG multi wire cable 4 RRU AISG extension cable 5 CPRI fiber optic cable 6 RRU power cable Figure 8 4 shows the cable connections for multiple RRUs RRU3201 Installation Guide 8 Installing RRU Cables Issu...

Страница 76: ...e 5 CPRI fiber optic cable 6 RRU power cable 8 3 Installation Process This section describes the process of installing RRU cables Figure 8 5 shows the process of installing RRU cables RRU3201 Installation Guide 8 Installing RRU Cables Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 68 ...

Страница 77: ...Cable OT terminal M6 16 mm2 0 025 in 2 Ground terminal on the RRU OT terminal M8 16 mm2 0 025 in 2 Ground terminal on the ground bar RRU Power Cable OT terminal M4 3 3 mm2 0 005 in 2 complying with NEG and RTN ports on the RRU Tool less female connector pressfit type One of RRU0 to RRU5 ports on the EPU or EPS RRU3201 Installation Guide 8 Installing RRU Cables Issue 06 2012 04 16 Huawei Proprietar...

Страница 78: ...ofed DB9 male connector RET MON 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 proce...

Страница 79: ... as shown in Figure 8 6 Figure 8 6 Installing an RRU PGND cable NOTE Crimp OT terminals in correct positions as shown in Figure 8 7 Figure 8 7 Correct position of an OT terminal Step 3 Label the installed cable by referring to Attaching a Cable Tying Label End 8 6 Installing an RRU RF Jumper This section describes the procedure for installing an RRU RF jumper RRU3201 Installation Guide 8 Installin...

Страница 80: ...when leaky cables are connected to RRUs installed in tunnels high voltage resistance DC blocks must be installed between RRU RF jumpers and the leaky cables to protect the RRUs against damage Step 2 Link the other end of the RF jumper to the external antenna system Step 3 Waterproof the connectors of the RF jumper by referring to Figure 8 9 RRU3201 Installation Guide 8 Installing RRU Cables Issue ...

Страница 81: ...ll the three layers of the tape are already wrapped Wrap each layer of tape around the connector tightly 2 Wrap each connector with three layers of PVC insulation tape from bottom up then from top down and finally from bottom up Start the wrapping at the position 30 mm 1 18 in away from the bottom of the connector Do not cut the tape until all the three layers of the tape are already wrapped Wrap ...

Страница 82: ... not cut the tape until all the three layers of the tape are already wrapped Wrap each layer of tape around the connector tightly Step 5 Lay out the jumper by referring to 8 1 Cabling Requirements and then bind the jumper using cable ties Step 6 Label the installed jumper by referring to Attaching a Sign Plate Label Step 7 Attach colored insulation tapes to the jumper by referring to Attaching the...

Страница 83: ...ments and then bind the cable using cable ties 4 Label the installed cable by referring to Attaching an L Shaped Label l Install an AISG multi wire cable that is configured with an AISG extension cable 1 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 other end to the standard AISG male connector of the AISG extension cable...

Страница 84: ...bling Cavity This section describes the procedure for opening the cover plate of an RRU cabling cavity Procedure Step 1 Wear ESD gloves CAUTION Take proper ESD protection measures for example wear ESD gloves to prevent electrostatic damage to the boards modules or electronic components Step 2 Loosen the six screws on the cover plate of the RRU cabling cavity using an M4 Phillips screwdriver and th...

Страница 85: ...on labels 4 Waterproof block 5 Cable trough for the power cable 6 Cable trough for the fiber optic cable 7 Clip Step 3 Loosen the screws on the clip and open the clip as shown Figure 8 16 NOTE Open the clip only for the associated cable RRU3201 Installation Guide 8 Installing RRU Cables Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 77 ...

Страница 86: ...e are two types of RRU power cables in terms of cross sectional areas 3 3 mm2 0 005 in 2 12 AWG complying with North American standards and 4 mm2 0 006 in 2 complying with European standards Procedure l Install an RRU power cable that feeds power to an RRU from a DCDU when the DCDU is configured 1 Connect the OT terminals of the blue and black brown core wires at one end of the RRU power cable to ...

Страница 87: ...then bind the cable using cable ties 4 Label the installed cable by referring to Attaching a Cable Tying Label l Install an RRU power cable that feeds power to an RRU from the embedded power system EPS or embedded power unit EPU when the EPS or EPU is configured 1 Connect the OT terminals of the blue and black brown core wires at one end of the RRU power cable to the NEG and RTN wiring terminals o...

Страница 88: ... 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 multi mode optical module l Color of the puller on an optical module Blue indicates a single mode optical module and black or gray indicates a multi mode optical module CAUTION The optical modules to be installed must match CPRI rates Context A CPRI fiber optic cable t...

Страница 89: ... optical module on the RRU side as shown in Figure 8 19 Figure 8 19 Installing a CPRI fiber optic cable CAUTION Install the fiber optic cable in the cable clip near the power cable to leave some slack at the bend Tighten the screws on the cable clip to 1 4 N m 12 39 lbf in Step 3 Connect the end labeled 2A and 2B of the fiber optic cable to the optical module on the BBU side RRU3201 Installation G...

Страница 90: ...cabling cavity Procedure Step 1 Close clips and tighten the screws on each clip to 1 4 N m 12 39 lbf in using a torque screwdriver as shown in Figure 8 20 Figure 8 20 Closing clips CAUTION Ensure that the exposed shield layer of the power cable is properly tightened using the clip Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity as shown in Figure 8 21 RRU3201 Instal...

Страница 91: ...er plate of the RRU cabling cavity CAUTION l Before tightening the screws on the cover plate ensure that cables and waterproof blocks are properly inserted into troughs l Tighten the screws on the cover plate in the sequence shown in the figure Step 4 Take off the ESD gloves and pack up all the tools End RRU3201 Installation Guide 8 Installing RRU Cables Issue 06 2012 04 16 Huawei Proprietary and ...

Страница 92: ...caps 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 cabl...

Страница 93: ... it within 24 hours If you power off the RRU for maintenance you must restore power to the RRU within 24 hours Figure 10 1 shows the RRU power on check process Figure 10 1 RRU power on check process RRU3201 Installation Guide 10 Powering On an RRU Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 85 ...

Страница 94: ...1 Adding OT Terminals to the RRU Power Cable on the RRU Side This section describes the procedure for adding OT terminals to the RRU power cable on the RRU side RRU3201 Installation Guide 11 Appendix Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 86 ...

Страница 95: ...ls 1 Cable diagram on labels Procedure Step 1 Determine the length of the power cable for different operations based on the labels as shown in Figure 11 2 Figure 11 2 Determining the length of the power cable Step 2 Strip the specified length of the sheath and shield layer off the power cable as shown in Figure 11 3 RRU3201 Installation Guide 11 Appendix Issue 06 2012 04 16 Huawei Proprietary and ...

Страница 96: ... OT terminals to two core wires as shown in Figure 11 5 Figure 11 5 Adding OT terminals Step 5 Strip about 15 mm 0 59 in of the sheath off the power cable to expose the intact shield layer as shown in Figure 11 6 Figure 11 6 Stripping the specified length of sheath End RRU3201 Installation Guide 11 Appendix Issue 06 2012 04 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Lt...

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