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NOTE

l

The recommended clearance ensures normal running and provides an appropriate space for operation
and maintenance (OM). If there is sufficient space, leave the recommended clearance after installing
the equipment.

l

The minimum clearance ensures normal running and heat dissipation, but OM 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.

Clearances for a Single RRU in Standard or Reverse Mode

Figure 3-22

shows the clearances for a single RRU in standard or reverse mode.

Figure 3-22

Clearances for a single RRU in standard or reverse mode

RRU3268
Installation Guide

3 Information About the Installation

Issue ()

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

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Summary of Contents for RRU3268

Page 1: ...RRU3268 Installation Guide Issue Date HUAWEI TECHNOLOGIES CO LTD ...

Page 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...

Page 3: ...nstallation Guide This chapter describes the changes in the RRU3268 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 familia...

Page 4: ...9 Installing RRU Cables This chapter describes the procedure for installing RRU cables 10 Checking the RRU Hardware Installation After an RRU is installed check the hardware installation 11 Powering On an RRU After all the devices are installed check the power on status of an RRU 12 Appendix This section describes the procedure for adding an easy power receptacle pressfit type connector Convention...

Page 5: ...s follows Convention Description Boldface The keywords of a command line are in boldface Italic Command arguments are in italics Items keywords or arguments in brackets are optional x y Optional items are grouped in braces and separated by vertical bars One item is selected x y Optional items are grouped in brackets and separated by vertical bars One item is selected or no item is selected x y Opt...

Page 6: ... 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 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 tw...

Page 7: ...Between RRUs 28 4 Unpacking the Equipment 31 5 Installation Process 33 6 Optional Installing the Plastic Shells of the RRU 34 7 Hoisting an RRU and Related Cables onto a Tower 37 7 1 Hoisting an RRU onto a Tower 38 7 2 Hoisting Fiber Optic Cables onto a Tower 42 7 3 Hoisting Power Cables onto a Tower 45 8 Installing the RRU 49 8 1 Mounting Kits for an RRU 50 8 2 Installing the RRU on a Pole 51 8 2...

Page 8: ...103 9 8 Installing an RRU Alarm Cable 106 9 9 Opening the Cover Plate of an RRU Cabling Cavity 107 9 10 Installing an RRU Power Cable 108 9 11 Installing a CPRI Fiber Optic Cable 110 9 12 Closing the Cover Plate of an RRU Cabling Cavity 112 10 Checking the RRU Hardware Installation 116 11 Powering On an RRU 117 12 Appendix 119 12 1 Adding a Tool Less Female Connector Pressfit Type to the RRU Power...

Page 9: ... describes the changes in the RRU3268 Installation Guide 01 2013 03 18 This is the first official release RRU3268 Installation Guide 1 Changes in the RRU3268 Installation Guide Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 1 ...

Page 10: ...be familiar 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 RRU3268 Installation Guide ...

Page 11: ...User Guide 2 2 Tools and Instruments All tools and instruments required for RRU installation must be ready before the installation Hammer drill a φ 12 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 RRU3268 Installation Guide 2 Installation Preparations Issue Huawei Proprietary and Confidential Copyr...

Page 12: ... in and 32 mm 1 26 in Level Torque screwdriver 5 mm 0 2 in 5 mm 0 2 in M3 to M6 M3 to M6 Torque socket Multimeter Marker diameter 10 mm 0 39 in Measuring tape Inner hexagon spanner 5 mm 0 2 in Fixed pulley Rope Hydraulic pliers RRU3268 Installation Guide 2 Installation Preparations Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 4 ...

Page 13: ...tion 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 RRU3268 Installation Guide 2 Installation Preparations Issue Huawei Proprietary and ...

Page 14: ...his section describes six indicators on an RRU They indicate the running status 3 4 Installation Scenarios An RRU can be installed on a pole U steel angle steel or IFS06 Installation scenarios must meet heat dissipation and waterproofing requirements of the RRU 3 5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU a...

Page 15: ...ions of an RRU Figure 3 1 shows an RRU Figure 3 1 RRU exterior Figure 3 2 shows RRU dimensions Figure 3 2 RRU dimensions RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 7 ...

Page 16: ...Ports on the RRU panels Table 3 1 describes ports and indicators on the RRU panels Table 3 1 RRU ports and indicators on the panels Item Silkscreen Description 1 Ports in the cabling cavity RTN Power port NEG CPRI0 Optical electrical port 0 RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 ...

Page 17: ...sitions of RRU indicators see 3 2 RRU Ports Table 3 2 describes RRU indicators Table 3 2 RRU indicators Indicator Color Status Meaning RUN Green Steady on There is power supply but the module is faulty Steady off There is no power supply or the module is faulty Blinking on for 1s and off for 1s The board is functioning properly Blinking on for 0 125s and off for 0 125s Software is being loaded to ...

Page 18: ... Steady green The CPRI link is functioning properly Steady red An optical module fails to transmit or receive signals because the optical module is faulty or the fiber optic cable is broken Blinking red on for 1s and off for 1s The CPRI link is out of lock because of a failure in clock lock between two modes or mismatched data rates over CPRI ports Steady off The optical module cannot be detected ...

Page 19: ...ance requirements see 3 5 2 Clearance for Multiple RRUs and 3 5 3 Installation Spacing Between RRUs CAUTION In improper installation scenarios the heat dissipation efficiency decreases and therefore the RRU may not work properly Figure 3 4 shows an improper installation scenario Figure 3 4 Improper installation scenario Method of installation l To ensure proper heat dissipation and waterproofing o...

Page 20: ...pole Figure 3 5 Requirements for the vertical deviation angle of an RRU 1 RRU 2 Installation support pole U steel angle steel or wall Installing an RRU on a Pole Figure 3 6 shows the diameter of a pole for installing an RRU Figure 3 6 Diameter of a pole CAUTION l The diameter of a pole for installing an RRU ranges from 60 mm 2 36 in to 114 mm 4 49 in The recommended diameter is 80 mm 3 15 in RRU32...

Page 21: ...8 shows two RRUs installed on a pole Figure 3 8 Two RRUs installed on a pole Figure 3 9 Figure 3 10 and Figure 3 11 show three or more RRUs installed on a pole RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 13 ...

Page 22: ...ee RRUs installed on a pole Figure 3 10 Four RRUs installed on a pole RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 14 ...

Page 23: ...s Figure 3 12 U steel specifications CAUTION U steel supports the standard or reverse installation of a single RRU only Figure 3 13 shows an RRU installed on U steel RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 15 ...

Page 24: ...gure 3 14 Angle steel specifications CAUTION Angle steel supports the standard or reverse installation of a single RRU only Figure 3 15 shows an RRU installed on angle steel RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 16 ...

Page 25: ...RRU be installed on a wall in standard mode l When multiple RRUs are installed on an outdoor wall in side mounted mode it is recommended that the mounting brackets not be combined as shown in Figure 3 16 When multiple RRUs are installed on an indoor wall in side mounted mode the mounting brackets cannot be combined as shown in Figure 3 17 Figure 3 16 Correct installation of mounting brackets for m...

Page 26: ...down to fit for heights of RRUs l The IFS06 supports at least three RRUs when the ambient temperature is higher than or equal to the lowest operating temperature of the RRU and at least 5 C 41 F lower than the highest operating temperature of the RRU The IFS06 supports a maximum of six RRUs when the ambient temperature is higher than or equal to the lowest operating temperature RRU3268 Installatio...

Page 27: ... Description CAUTION The mounting brackets for multiple RRUs cannot be combined when the RRUs are installed on an IFS06 as shown in Figure 3 19 Figure 3 19 Correct installation of mounting brackets for RRUs installed on an IFS06 Figure 3 20 and Figure 3 21 show RRUs installed on an IFS06 RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyr...

Page 28: ...nstalled on an IFS06 1 Height restricted scenario 2 Height unrestricted scenario RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 20 ...

Page 29: ...ents 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 clearance for a single RRU RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 21 ...

Page 30: ...dicator status and opening the cabling cavity cannot be properly conducted If the installation space is restricted leave the minimum clearance after installing the equipment Clearances for a Single RRU in Standard or Reverse Mode Figure 3 22 shows the clearances for a single RRU in standard or reverse mode Figure 3 22 Clearances for a single RRU in standard or reverse mode RRU3268 Installation Gui...

Page 31: ...RRU in side mounted mode Clearances for a Single Tower mounted RRU Figure 3 24 and Figure 3 25 show the clearances for a single tower mounted RRU in standard or reverse mode and in side mounted mode respectively RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 23 ...

Page 32: ...ance for a single tower mounted RRU in side mounted mode 3 5 2 Clearance for Multiple RRUs This section describes the recommended and minimum clearance for multiple RRUs RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 24 ...

Page 33: ...pace is restricted leave the minimum clearance after installing the equipment Recommended Clearance for Multiple RRUs Installed in Centralized Mode Figure 3 26 shows the recommended clearance for multiple RRUs installed in centralized mode Figure 3 26 Recommended clearances for three or more RRUs installed on a pole Minimum Clearance for Multiple RRUs Installed in Centralized Mode Figure 3 27 show...

Page 34: ...ard Mode Figure 3 28 shows the recommended clearance for multiple RRUs installed on a wall in standard mode Figure 3 28 Recommended clearances for three or more RRUs installed on a wall in standard mode RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 26 ...

Page 35: ...3 29 Minimum clearances for three or more RRUs installed on a wall in standard mode Recommended Clearance for Multiple RRUs Side Mounted on a Wall Figure 3 30 shows the recommended clearance for multiple RRUs side mounted on a wall RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 27 ...

Page 36: ...Recommended Horizontal Spacing Between RRUs Figure 3 31 shows the recommended horizontal spacing between RRUs Figure 3 31 Recommended horizontal spacing between RRUs Minimum Horizontal Spacing Between RRUs Figure 3 32 shows the minimum horizontal spacing between RRUs RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technolog...

Page 37: ... vertical spacing between RRUs Figure 3 33 Recommended vertical spacing between RRUs Minimum Vertical Spacing Between RRUs Figure 3 34 shows the minimum vertical spacing between RRUs RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 29 ...

Page 38: ...Figure 3 34 Minimum vertical spacing between RRUs RRU3268 Installation Guide 3 Information About the Installation Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 30 ...

Page 39: ...ar clean gloves and avoid touching the equipment components or parts with bare hands sweat soaked gloves or dirty gloves 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 wi...

Page 40: ...cle tally 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 material...

Page 41: ...es checking 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 RRU3268 Installation Guide 5 Installation Process Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 33 ...

Page 42: ... shell only when necessary Procedure Step 1 Use an M6 Phillips screwdriver to loosen the two screws on the metal sheet of the RRU and remove the metal sheet as shown in Figure 6 1 Figure 6 1 Removing the metal sheet RRU3268 Installation Guide 6 Optional Installing the Plastic Shells of the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 34 ...

Page 43: ... 6 2 Figure 6 2 Installing buckles at the bottom 1 Buckle 2 Screw Step 3 Use four hex screws to secure the plastic shells onto the RRU and use an M6 hex key wrench to tighten the screws to 2 8 N m 24 78 lbf in as shown in Figure 6 3 RRU3268 Installation Guide 6 Optional Installing the Plastic Shells of the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 35 ...

Page 44: ...6 3 Installing the plastic shells of the RRU End RRU3268 Installation Guide 6 Optional Installing the Plastic Shells of the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 36 ...

Page 45: ...unted scenario the RRU can be installed on a pole U steel or angle steel 7 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 7 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 taken RRU3268...

Page 46: ...Module onto an RRU CAUTION l Do not stand the RRU upright because the RF ports cannot 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 Hoist the RRU and mounting kits onto the tower respectively as shown in Figure 7 1 NOTE Hoist mounting kits onto the tower and then install the mounting kits ...

Page 47: ... and leads the lifting sling through the fixed pulley 2 Installation engineer C binds the RRU mounting kits properly using a lifting sling as shown in Figure 7 2 and binds the RRU using a lifting sling and a traction sling as shown in Figure 7 3 RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Lt...

Page 48: ...U Figure 7 3 Binding the RRU 1 Handle 2 Lifting sling 3 Traction eye 4 Traction sling RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 40 ...

Page 49: ...d ground l Hoist the RRU onto the tower before it is installed on a pole angle steel or U steel l Do not hoist any thing by the traction eye l Do not hoist the RRU by the handle or traction eye only as shown in Figure 7 4 and Figure 7 5 Figure 7 4 Incorrect binding method RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyrigh...

Page 50: ...Installing the RRU Step 3 Remove the lifting sling and traction sling NOTE The procedure for hoisting the RRU and mounting kits onto the tower is for your reference only End 7 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 de...

Page 51: ... 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 sling as sho...

Page 52: ...s using one sling as shown in Figure 7 8 Figure 7 8 Incorrect binding method 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 RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 44 ...

Page 53: ... your reference only End 7 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 taken Context Cabling requirements for power cables are met For details see 9 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...

Page 54: ... 2 Installation engineer B secures three cable ties to the power cable connector and then secures the power cable to the lifting sling as shown in Figure 7 10 NOTE The connector on the power cable in the figure is only an example The actual connector may vary according to the situation RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confide...

Page 55: ...TE 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 wrapped connector is 100 mm 3 94 in RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 47 ...

Page 56: ...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 RRU3268 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue Huawei Proprietary and Confidential Copyright Huawei Tech...

Page 57: ... steel secured on the ground or a tower Each piece of U steel allows only one RRU to be installed in standard or reverse mode 8 4 Installing the RRU on Angle Steel This section describes the procedure and precautions for installing the 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...

Page 58: ...side view of an RRU 1 Attachment plate Figure 8 2 shows the bracket assembly for an RRU Figure 8 2 12 L blade RRU mounting kit 1 Main bracket 2 Pole installation bracket 3 Auxiliary bracket 4 Nut 5 Square neck bolt 6 Hoist clamp on the main bracket RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 50 ...

Page 59: ...upport 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 Determine a position for installing the mounting brackets l If the pole must be installed on a tower determine a position for installing the mounting brackets according to the instructions in 3 5 1 Clearance for a Single RRU l If the pole must b...

Page 60: ...de the mounting brackets onto the pole horizontally and insert the square neck bolt into the slot Step 3 Use a 16 mm 0 63 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 pole as shown in Figure 8 5 CAUTION Tighten the nuts on the two square neck bolts alternatively After the main and auxiliary brackets are secured properly measure...

Page 61: ...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 8 7 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 53 ...

Page 62: ... l Do not stand the RRU upright because the RF ports cannot 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 Install the first RRU onto the main bracket as shown in Figure 8 8 For details see 8 2 1 Installing a Single RRU RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietar...

Page 63: ...emove the main bracket from the auxiliary bracket as shown in Figure 8 9 Figure 8 9 Removing the RRU main bracket 1 Main bracket 2 Pole installation bracket Step 3 Install the removed main bracket on one side of the first main bracket as shown in Figure 8 10 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 55 ...

Page 64: ... 8 10 Installing the second main bracket 1 Removed main bracket Step 4 Install the second RRU onto the main bracket as shown in Figure 8 11 Figure 8 11 Installing the second RRU onto the main bracket RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 56 ...

Page 65: ...to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 8 12 Figure 8 12 Securing the captive screw into the connection hole Step 5 Install the metal sheet for neighboring RRUs as shown in Figure 8 13 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 57 ...

Page 66: ...hole on the top of the second RRU and use an M6 torque screwdriver to tighten the screw to 5 N m 44 25 lbf in End 8 2 3 Installing Three or More RRUs The section describes the procedure and precautions for installing three or more RRUs on a pole Prerequisites The hoist clamp on the main bracket is secured properly CAUTION l Do not stand the RRU upright because the RF ports cannot support the weigh...

Page 67: ...Figure 8 14 For details see 8 2 2 Installing Two RRUs Figure 8 14 Two RRUs installed on a pole Step 2 Use an M6 inner hexagon screwdriver to remove the four inner hexagon screws from the second set of mounting brackets and remove the main bracket from the auxiliary bracket as shown in Figure 8 15 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Hu...

Page 68: ... tighten the captive screw into the connection holes on the top of the attachment plate and main bracket for the RRU with a torque of 5 N m 44 25 lbf in as shown in Figure 8 16 CAUTION The third main bracket must be installed with the opening ends of U shaped slots on both sides facing downwards RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Hua...

Page 69: ...ure 8 17 Figure 8 17 Installing the metal sheet 1 Screw 2 Metal sheet 1 Use an M6 Phillips screwdriver to loosen the screw on the metal sheet farther from the handle of the first RRU and remove the screw RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 61 ...

Page 70: ...or below the first set of RRU mounting brackets install the second set of RRU mounting brackets as shown in Figure 8 18 Figure 8 18 Installing the second set of RRU mounting brackets Step 6 Install the fourth RRU onto the fourth 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...

Page 71: ...s Before you install an RRU on U steel secured on a tower the RRU and its mounting brackets are hoisted onto the tower For details see 7 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly CAUTION l Do not stand the RRU upright because the RF ports cannot support the weight of the RRU l Place a foam pad or cardboard under the RRU to protect the RRU housing from d...

Page 72: ...eel Procedure Step 1 Determine a position for installing the mounting brackets l If the RRU must be installed on U steel secured on a tower see 3 5 1 Clearance for a Single RRU to determine a position l If the RRU must be installed on U steel secured on the ground see Figure 8 21 to determine a position RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyr...

Page 73: ...gure 8 22 Installing the RRU mounting brackets NOTE Verify that the arrows on the mounting brackets are pointing up 1 Adjust the position of the nut and remove one end of the square neck bolt from the slot on the auxiliary bracket 2 Slide the mounting brackets onto the U steel horizontally and insert the square neck bolt into the slot RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Pr...

Page 74: ...spacing between the brackets on both sides and ensure that the spacing is the same on the two sides Figure 8 23 Securing the RRU mounting brackets Step 4 Use an inner hexagon 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 8 24 RRU3268 Installat...

Page 75: ...bracket Step 6 Use an inner hexagon 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 8 26 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 67 ...

Page 76: ...gle steel secured on a tower the RRU and its mounting brackets are hoisted onto the tower For details see 7 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly CAUTION l Do not stand the RRU upright because the RF ports cannot 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...

Page 77: ...lled on angle steel secured on the ground see Figure 8 28 to determine a position Figure 8 28 Distance between the mounting brackets and the ground NOTE It is recommended that the mounting brackets be installed at a height of 1200 mm 47 24 in to 1600 mm 62 99 in above the ground Step 2 Install the RRU mounting brackets as shown in Figure 8 29 RRU3268 Installation Guide 8 Installing the RRU Issue H...

Page 78: ...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 8 30 CAUTION Tighten the nuts on the two square neck bolts 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...

Page 79: ...onto the rear of the RRU and tighten the four stainless screws to 5 N m 44 25 lbf in as shown in Figure 8 31 Figure 8 31 Installing the attachment plate onto the rear of the RRU Step 5 Install the RRU onto the main bracket as shown in Figure 8 32 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 71 ...

Page 80: ...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 8 33 Figure 8 33 Securing the captive screw into the connection hole End RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 72 ...

Page 81: ...from damage during the installation Context The wall on which RRUs are installed must meet the following requirements l When a single RRU is installed the wall must be capable of bearing at least four times the weight of the RRU l Expansion anchor bolts must be tightened to 30 N m 265 52 lbf in so that the bolts stay secured without damaging the wall Procedure Step 1 Disassemble the RRU mounting b...

Page 82: ...2 Use an M10 torque wrench to loosen the nuts on the two square neck bolts and remove the plastic cap nuts spring washers flat washers square neck bolts and pole installation bracket from the auxiliary bracket Step 2 Place the pole installation bracket against the installation position use a level to verify that the pole installation bracket is placed horizontally and then mark anchor points with ...

Page 83: ...above the ground Step 3 Drill holes at the anchor points and then insert expansion anchor bolt assemblies as shown in Figure 8 36 Figure 8 36 Drilling a hole and inserting expansion anchor bolt assemblies 1 M10x80 bolt 2 Nut 3 Spring washer 4 Flat washer 5 Expansion tube RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 7...

Page 84: ...lt spring washer and flat washer in sequence CAUTION After dismantling an expansion anchor bolt ensure that the top of the expansion tube is on the same level as the wall Otherwise the device cannot be installed on the wall evenly and securely Step 4 Install the pole installation bracket on the expansion anchor bolts place the flat washers spring washers and nuts through the expansion anchor bolts...

Page 85: ...racket are firmly secured as shown in Figure 8 38 Figure 8 38 Installing the main bracket 1 Main bracket 2 Pole installation bracket Step 6 Use an inner hexagon 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 8 39 RRU3268 Installation Guide 8 In...

Page 86: ...bracket Step 8 Use an inner hexagon 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 8 41 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 78 ...

Page 87: ...adjustable beams on an IFS06 can be moved up and down to fit for heights of RRUs l RRUs can be installed on an IFS06 only when the ambient temperature is higher than or equal to the lowest working temperature of the RRU and at least 5 C 41 F lower than the highest working temperature of the RRU In this scenario the IFS06 supports at least three RRUs When the ambient temperature is higher than or e...

Page 88: ... 42 Figure 8 42 Disassembling the mounting brackets 1 Main bracket 2 Square neck bolt 3 Pole installation bracket 4 Auxiliary bracket 5 Flat washer 6 Spring washer 7 Nut 8 Plastic cap 1 Use an M6 inner hexagon torque screwdriver to remove the four inner hexagon screws on the pole installation bracket and remove the main bracket from the pole installation bracket 2 Use an M10 torque wrench to loose...

Page 89: ...he pole installation bracket as shown in Figure 8 43 Figure 8 43 Installing the pole installation bracket in height restricted scenarios 1 Spring washer 2 Rubber washer l Height unrestricted scenarios Install the pole installation bracket as shown in Figure 8 44 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 81 ...

Page 90: ... 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 8 45 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 82 ...

Page 91: ...r 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 8 46 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 83 ...

Page 92: ...to the main bracket Step 5 Install the RRUs on the lower level from left to right as shown in Figure 8 47 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 84 ...

Page 93: ...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 8 48 RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 85 ...

Page 94: ...Figure 8 48 Installing RRUs on the higher level End RRU3268 Installation Guide 8 Installing the RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 86 ...

Page 95: ...nstalling an RRU RF jumper 9 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 9 8 Installing an RRU Alarm Cable This section describes the procedure for installing an RRU alarm cable 9 9 Opening the Cover Plate of an RRU Cabling Cavity This section describes the procedure fo...

Page 96: ...on describes the procedure for closing the cover plate of an RRU cabling cavity RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 88 ...

Page 97: ...imes the 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 horizon...

Page 98: ...e 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 8 feeder are i...

Page 99: ...n documents 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 l Cables are routed in an untangled and orderly fashion RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Co...

Page 100: ...etween them to prevent interference from each other l Fuses or switches 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 Requirements for E1 Cables l E1 cables must not cross power cables PGND cables or RF cables when...

Page 101: ... of the cables must be coiled around special devices such as a fiber coiler l When coiling fiber optic cables apply even strength Do not bend the cables with force l Vacant optical connectors must be covered with dustproof caps l Fiber optic cables cannot be squeezed by the cabinet door when routed through the cabinet as shown in Figure 9 4 Figure 9 5 and Figure 9 6 Figure 9 4 CPRI fiber optic cab...

Page 102: ... from the position for securing the cables l If the fiber optic cables close to a device are too long coil the excess of the cables and secure them on the tower 9 2 Cable Connections This section describes the cable connections for a single RRU and multiple RRUs NOTE l A lower level RRU obtains power directly from the external power system but not from an upper level RRU using a power cable Figure...

Page 103: ...ti wire cable 4 RRU AISG extension cable 5 RRU power cable 6 CPRI fiber optic cable 7 RRU alarm cable Figure 9 8 shows the cable connections for multiple RRUs RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 95 ...

Page 104: ...4 CPRI fiber optic cable 9 3 Installation Process This section describes the process of installing RRU cables Figure 9 9 shows the process of installing RRU cables RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 96 ...

Page 105: ...ne End The Other End Connector Installation Position Connector Installation Position RRU PGND Cable OT terminal 16 mm2 or 0 025 in 2 M6 Ground terminal on the RRU OT terminal 16 mm2 or 0 025 in 2 M8 Ground terminal on the ground bar RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 97 ...

Page 106: ...inal External alarm device CPRI Fiber Optic Cable DLC connector CPRI0 port on the RRU DLC connector CPRI port on the WBBP in the BBU CPRI1 port on the RRU CPRI0 port on the RRU RRU RF Jumper DIN male connector ANT_TX RXA or ANT_TX RXB port on the RRU DIN male connector Antenna system RRU AISG Multi Wire Cable DB9 waterproofed male connector RET port on the RRU Standard AISG female connector Standa...

Page 107: ...dd an OT terminal at each end of the cable according to the instructions in Assembling the OT Terminal and the Power Cable Step 2 Install the RRU PGND cable Connect the M6 OT terminal at one end of the PGND cable to the ground terminal at the RRU bottom and the M8 OT terminal at the other end to the external ground bar as shown in Figure 9 10 Figure 9 10 Installing an RRU PGND cable NOTE Crimp OT ...

Page 108: ...dure for installing an RRU RF jumper Procedure Step 1 Connect the DIN male connector at one end of the RRU RF jumper to the ANT port on the RRU and use a torque wrench to tighten the connector to 25 N m 221 27 lbf in as shown in Figure 9 12 Figure 9 12 Installing an RRU RF jumper RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technolog...

Page 109: ... 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 reserve a redundan...

Page 110: ...aterproof 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 Ensure that the ...

Page 111: ...o the instructions in Attaching the Color Ring End 9 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 RRU and the RCU ...

Page 112: ...ing 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 other end to the...

Page 113: ...9 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 9 17 Figure 9 17 Installing an RRU AISG extension cable RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 105 ...

Page 114: ...cap Step 2 Connect the waterproof DB15 connector at one end of the RRU alarm cable to the EXT_ALM port on the RRU and connect the eight cord end terminals at the other end to external alarm devices as shown in Figure 9 18 Figure 9 18 Installing an RRU alarm cable Step 3 Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof DB15 male connector to 0 4 N m 3 54 lbf in St...

Page 115: ...odules or electronic components Step 2 Use an M5 Phillips screwdriver to loosen the three screws on the cover plate of the RRU cabling cavity and open the cover plate as shown in Figure 9 19 Figure 9 19 Opening the cover plate of the RRU cabling cavity 1 Cover plate 2 Cabling cavity 3 Clip 4 Cable trough for the power cable 5 Waterproof block 6 Cable trough for the fiber optic cable Step 3 Loosen ...

Page 116: ...n the RRU side For details see 12 1 Adding a Tool Less Female Connector Pressfit Type to the RRU Power Cable on the RRU Side l Add a connector or OT terminals to the RRU power cable on the power device side For details see the DBS3900 Installation Guide Context There 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 standard...

Page 117: ...CDU 11B Blac k EPU One of the RRU0 to RRU5 ports on the EPU WARNING When installing the RRU power cable connect the RRU power cable first to the RRU and then to the power device Operations in the reverse sequence may cause damage to the components and injury of human bodies Procedure Step 1 Connect the tool less female connector pressfit type at one end of the RRU power cable to the power supply s...

Page 118: ...rts 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 left part of a port on the EPU and the black brown core wire is connected to the right part of the port on the EPU Step 3 Route the cables according to the instructions in 9 1 Cabling Requirements and then use cable ties to bind the cables Step 4 ...

Page 119: ...section CPRI Cable Connections in the BBU3900 Hardware Description or DBS3900 Hardware Description Procedure Step 1 Lower the pullers of two optical modules insert one optical module into the CPRI0 port on the RRU and the other optical module into the CPRI port on the BBU and raise the pullers as shown in Figure 9 22 Figure 9 22 Installing an optical module CAUTION The performance of an optical mo...

Page 120: ... optical module on the BBU side Step 4 Route the cables according to the instructions in 9 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 9 12 Closing the Cover Plate of an RRU Cabling Cavity This section describes the procedure for closing the cover plate of an RRU cabling cavity ...

Page 121: ...ayer of the power cable is properly tightened using the clip Figure 9 24 Closing clips Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity as shown in Figure 9 25 CAUTION Ensure that cables and waterproof blocks are properly inserted into troughs RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co...

Page 122: ...tially tighten the screws on the cover plate in the sequence shown in Figure 9 26 Then tighten the screws to 2 N m 17 7 lbf in in the same sequence Figure 9 26 Closing the cover plate of an RRU cabling cavity RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 114 ...

Page 123: ...Step 4 Take off the ESD gloves and pack up all the tools End RRU3268 Installation Guide 9 Installing RRU Cables Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 115 ...

Page 124: ...stproof 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 ot...

Page 125: ...ce you must restore power to the RRU within 24 hours Figure 11 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 RRU3268 Installation Guide 11 Powering On an RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 1...

Page 126: ...ltage 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 RRU3268 Installation Guide 11 Powering On an RRU Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 118 ...

Page 127: ...ing a Tool Less Female Connector Pressfit 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 RRU3268 Installation Guide 12 Appendix Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 119 ...

Page 128: ...ide Context Figure 12 1 shows the cable diagram on labels Figure 12 1 Cable diagram on labels 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 12 2 Figure 12 2 Determining the length of the power cable RRU3268 Installation Guide 12 Appendix Issue Huawei Proprietary and Confidential Copyright Huawei Te...

Page 129: ...the length of the notch in the tool less female connector pressfit type as shown in Figure 12 4 Figure 12 4 Stripping the sheath off each core wire Figure 12 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 12 6 RRU3268 Installation Guide 12 Appendix Issue Huawei Proprietary and Confidentia...

Page 130: ...hillips screwdriver as shown in Figure 12 7 Figure 12 7 Adding a tool less female connector pressfit type to two core wires Step 5 Strip the specified length of the sheath off the power cable to expose the intact shield layer as shown in Figure 12 8 Figure 12 8 Stripping the sheath off the power cable RRU3268 Installation Guide 12 Appendix Issue Huawei Proprietary and Confidential Copyright Huawei...

Page 131: ...tor pressfit type for 1 5 mm 0 059 in as shown in Figure 12 9 Figure 12 9 Inserting core wires into the tool less female connector pressfit type End RRU3268 Installation Guide 12 Appendix Issue Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 123 ...

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