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Figure 3-25

Clearance for a single RRU in side-mounted mode

Clearance for a Single Tower-mounted RRU

Figure 3-26

and

Figure 3-27

show the clearance for a single tower-mounted RRU in standard

or reverse mode and in side-mounted mode, respectively.

RRU3832&RRU3632
Installation Guide

3 Information About the Installation

Issue 05 (2014-06-30)

Huawei Proprietary and Confidential

Содержание RRU3632

Страница 1: ...RRU3832 RRU3632 Installation Guide Issue 05 Date 2014 06 30 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 ens...

Страница 3: ...d later versions V200R013C00 and later versions eRAN6 0 and later versions V100R006C00 and later versions The following table lists the product versions related to this document for RRU3632 Product Name Solution Version Product Version DBS3900 l SRAN8 0 and later versions l eRAN6 0 and later versions V100R008C00 and later versions Intended Audience This document is intended for Base station instal...

Страница 4: ... the RRU 6 Optional Installing the Plastic Shells of the RRU This section describes the procedure for installing the plastic shells of the RRU 7 Hoisting an RRU and Related Cables onto a Tower This section describes the procedure for hoisting an RRU and related cables onto a tower and the precautions that must be taken 8 Installing the RRU This chapter describes the procedure for installing the RR...

Страница 5: ...n best practices and tips NOTE is used to address information not related to personal injury equipment damage and environment deterioration General Conventions The general conventions that may be found in this document are defined as follows Convention Description Times New Roman Normal paragraphs are in Times New Roman Boldface Names of files directories folders and users are in boldface For exam...

Страница 6: ...onvention Description Boldface Buttons menus parameters tabs window and dialog titles are in boldface For example click OK Multi level menus are in boldface and separated by the signs For example choose File Create Folder Keyboard 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 K...

Страница 7: ...e primary mouse button twice continuously and quickly without moving the pointer Drag Press and hold the primary mouse button and move the pointer to a certain position RRU3832 RRU3632 Installation Guide About This Document Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd vi ...

Страница 8: ...llation Spacing Between RRUs 33 4 Unpacking the Equipment 36 5 Installation Process 38 6 Optional Installing the Plastic Shells of the RRU 39 7 Hoisting an RRU and Related Cables onto a Tower 41 7 1 Hoisting an RRU onto a Tower 42 7 2 Hoisting Fiber Optic Cables onto a Tower 45 7 3 Hoisting Power Cables onto a Tower 48 8 Installing the RRU 51 8 1 Mounting Kits for an RRU 52 8 2 Installing the RRU ...

Страница 9: ...on Cable 101 9 8 Installing an RRU Alarm Cable 103 9 9 Opening the Cover Plate of an RRU Cabling Cavity 105 9 10 Installing an RRU Power Cable 106 9 11 Installing a CPRI Fiber Optic Cable 108 9 12 Closing the Cover Plate of an RRU Cabling Cavity 110 10 Checking the RRU Hardware Installation 113 11 Powering On an RRU 114 12 Appendix 116 12 1 Adding a Tool Less Female Connector Pressfit Type to the ...

Страница 10: ... notes under the procedure 3 4 Installation Scenarios Added restrictions on RRU mounting kits in assembled installation mode Compared with issue 04 2013 12 30 this issue does not include any new information and no information is deleted from this issue 04 2013 12 30 This is the fourth official release Compared with issue 03 2013 12 23 this issue includes the following change Topic Change Descripti...

Страница 11: ...ormation and no information is deleted from this issue 02 2013 06 26 This is the second official release Compared with issue 01 2013 04 28 this issue includes the following change Topic Change Description 9 10 Installing an RRU Power Cable Added the power device DCDU 12B for the RRU Compared with issue 01 2013 04 28 this issue does not include any new information and no information is deleted from...

Страница 12: ... 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 RRU3832 RRU3632 Installation Guide 2 Installat...

Страница 13: ...e 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 RRU3832 RRU3632 Installation Guide 2 Installation Preparations Issue 05 2014 06 30 Huawei Proprietary and Co...

Страница 14: ...mm 1 26 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 Lifting sling Hydraulic pliers RRU3832 RRU3632 Installation Guide 2 Installation Preparations Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 5 ...

Страница 15: ... 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 RRU3832 RRU3632 Installation Guide 2 Installation Preparations Issue 05 2014 06 30 Huawei Propr...

Страница 16: ...escribes 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 wall or IFS06 Installation scenarios must meet heat dissipation and waterproofing requirements of the RRU 3 5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU and multi...

Страница 17: ...ure 3 2 RRU dimensions 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 3 shows the ports on the RRU panels RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 ...

Страница 18: ...al port 0 CPRI1 Optical electrical port 1 2 Ports at the bottom ANT_TX RXA TX RX port A supporting RET signal transmission ANT_RXC RX port C ANT_RXD Port RX port D ANT_TX RXB TX RX port B EXT_ALM Alarm monitoring port used for monitoring one RS485 signal and two dry contact signals RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Co...

Страница 19: ...to use RF ports for RRU3832 Table 3 2 Usage of RF ports for RRU3832 Product Version TX RX Channe l Number of Used RF Ports Usage Remarks DBS3900 WCDMA V200R013C00 1 x 2T2R 2 ANT_TX RXA and ANT_TX RXB are used together A single sector DBS3900 WCDMA V200R014C00 and later versions 1 x 1T2R 2 It is recommended that ANT_TX RXA and ANT_RXC be used together You can also use ANT_TX RXB and ANT_RXD togethe...

Страница 20: ...re used together A single sector 1 x 2T4R 4 ANT_TX RXA ANT_TX RXB ANT_RXC and ANT_RXD are used together for one sector with ANT_TX RXA and ANT_RXC combined and ANT_TX RXB and ANT_RXD combined A single sector Table 3 3 describes how to use RF ports for RRU3632 Table 3 3 Usage of RF ports for RRU3632 Product Version TX RX Channe l Number of Used RF Ports Usage Remarks DBS3900 LTE V100R006C00 and lat...

Страница 21: ...recommended usage of the RF ports on an RRU3832 used for DBS3900 WCDMA V200R013C00 Figure 3 4 Recommended usage of the RF ports on an RRU3832 used for DBS3900 WCDMA V200R013C00 Figure 3 5 shows the recommended usage of the RF ports on an RRU3832 used for DBS3900 WCDMA V200R014C00 and later versions RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei P...

Страница 22: ...versions Figure 3 6 shows the recommended usage of the RF ports on RRU3832 and RRU3632 used for DBS3900 LTE V100R006C00 and later versions RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 13 ...

Страница 23: ...tatus 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 the module or the module is not started ALM Red Steady on Alarms are generated and the module must be replaced RRU3832 RR...

Страница 24: ...en 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 or the opti...

Страница 25: ...earance requirements must be met For details about the minimum clearance requirements see 3 5 2 Clearances for Three or More RRUs and 3 5 3 Installation Spacing Between RRUs l RRU mounting kits in assembled installation mode are not allowed in indoor scenarios NOTICE If the RRU is improperly installed heat dissipation of the RRU deteriorates and the RRU may not work properly as shown in Figure 3 7...

Страница 26: ...n 810 mm 23 62 in the side mounted mode is recommended for installing RRUs on the auxiliary pole to meet the minimum clearance requirements Otherwise the standard mode is recommended for installing RRUs on the auxiliary pole Figure 3 8 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 9 shows t...

Страница 27: ... 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 wall of a pole is 3 5 mm 0 14 in or above Figure 3 10 shows a single RRU installed on a pole Figure 3 10 A single RRU installed on a pole Figure 3 11 shows two RRUs installed on a pole RRU3832 RRU3632 Installation Guide 3 Information About the Insta...

Страница 28: ...d Figure 3 14 show three or more RRUs installed on a pole Figure 3 12 Three RRUs installed on a pole RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 19 ...

Страница 29: ...RUs installed on a pole Installing an RRU on U steel Figure 3 15 shows U steel specifications RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 20 ...

Страница 30: ...e 3 16 shows an RRU installed on U steel Figure 3 16 RRU installed on U steel Installing an RRU on Angle Steel Figure 3 17 shows angle steel specifications RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 21 ...

Страница 31: ...t meet the following requirements l For each RRU the wall must be able to bear a weight four times the RRU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall 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 RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 ...

Страница 32: ...ts for multiple RRUs installed on a wall in side mounted mode Figure 3 20 shows an RRU installed on a wall Figure 3 20 RRU installed on a wall Installing an RRU on an IFS06 In an IFS06 scenario l The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of RRUs RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Prop...

Страница 33: ...emperature of the RRU NOTE For details about the operating temperature of the RRU see section Technical Specifications of RRUs in 3900 Series Base Station Technical Description NOTICE The mounting brackets for multiple RRUs cannot be combined when the RRUs are installed on an IFS06 as shown in Figure 3 21 Figure 3 21 Correct installation of mounting brackets for RRUs installed on an IFS06 Figure 3...

Страница 34: ... an IFS06 1 Height restricted scenario 2 Height unrestricted scenario RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 25 ...

Страница 35: ...3 5 1 Clearance for a Single RRU This section describes the recommended and minimum clearance for a single RRU NOTICE If an RRU is installed on the bitumen ground the RRU must be at least 500 mm 700 mm or more as recommended away from the bitumen ground The following describes the space requirements for installing a single RRU on the non bitumen ground RRU3832 RRU3632 Installation Guide 3 Informat...

Страница 36: ...ducted If the installation space is restricted leave the minimum clearance after installing the equipment Clearance for a Single RRU in Standard or Reverse Mode Figure 3 24 shows the clearance for a single RRU in standard or reverse mode Figure 3 24 Clearance for a single RRU in standard or reverse mode Clearance for a Single RRU in Side Mounted Mode Figure 3 25 shows the clearance for a single RR...

Страница 37: ...re 3 26 and Figure 3 27 show the clearance for a single tower mounted RRU in standard or reverse mode and in side mounted mode respectively RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 28 ...

Страница 38: ... tower mounted RRU in side mounted mode 3 5 2 Clearances for Three or More RRUs This section describes the recommended and minimum clearances for three or more RRUs RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 29 ...

Страница 39: ...ivities such as checking indicator status and opening the cabling cavity If the installation space is insufficient retain the minimum clearances after the installation Recommended Clearances for Three or More RRUs Installed on a Pole Figure 3 28 shows the recommended clearances for multiple RRUs installed in centralized mode Figure 3 28 Recommended clearances for three or more RRUs installed on a ...

Страница 40: ...gure 3 30 shows the recommended clearances for multiple RRUs installed on a wall in standard mode Figure 3 30 Recommended clearances for three or more RRUs installed on a wall in standard mode RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 31 ...

Страница 41: ...standard mode Recommended Clearances for Three or More RRUs Installed on a Wall in Side Mounted Mode Figure 3 32 shows the recommended clearances for three or more RRUs side mounted on a wall Figure 3 32 Recommended clearances for three or more RRUs installed on a wall in side mounted mode RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietar...

Страница 42: ...ntal spacing between RRUs Minimum Horizontal Spacing Between RRUs Figure 3 34 shows the minimum horizontal spacing between RRUs Figure 3 34 Minimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3 35 shows the recommended vertical spacing between RRUs RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and...

Страница 43: ...um Vertical Spacing Between RRUs Figure 3 36 shows the minimum vertical spacing between RRUs RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 34 ...

Страница 44: ... 36 Minimum vertical spacing between RRUs RRU3832 RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 35 ...

Страница 45: ... 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 the cause and report any ...

Страница 46: ...ei 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 insulation layers are damaged...

Страница 47: ... 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 RRU3832 RRU3632 Installation Guide 5 Installation Process Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 38 ...

Страница 48: ... 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 RRU3832 RRU3632 Installation Guide 6 Optional Installing the Plastic Shells of the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 39 ...

Страница 49: ...he 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 Figure 6 3 Installing the plastic shells of the RRU End RRU3832 RRU3632 Installation Guide 6 Optional Installing the Plastic Shells of the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyrig...

Страница 50: ...ios 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 RRU3832 RRU3632 In...

Страница 51: ... weight of the RRU l The routing and protection of power cables should follow the local safety regulations industry standards and enterprise standards of the operator 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 sl...

Страница 52: ... the RRU using the lifting sling and traction sling as shown in Figure 7 2 The binding methods in Figure 7 3 and Figure 7 4 are incorrect Figure 7 2 Binding the RRU 1 Handle 2 Lifting sling 3 Traction eye 4 Traction sling Figure 7 3 Incorrect binding method 1 RRU3832 RRU3632 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue 05 2014 06 30 Huawei Proprietary and Confidential...

Страница 53: ...n C pulls the traction sling outwards to protect the RRU from colliding with the tower Figure 7 5 Hoisting the RRU onto the tower 1 Lifting sling 2 Fixed pulley 3 Traction sling RRU3832 RRU3632 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 44 ...

Страница 54: ...nd main bracket to 5 N m 44 25 lbf in For detailed operations see steps 4 and 5 in 8 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 7 2 Hoisting Fiber Optic Cables onto a Tower This section describes the procedure for hoisting fiber optic cables onto a tower an...

Страница 55: ...er 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 shown in Figur...

Страница 56: ...otates 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 RRU3832 RRU3632 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue 05 2014 06 3...

Страница 57: ...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 power cables onto the tower as shown in Figure 7 9 Figure 7 9 Hoisting power cables onto the tower 1 Lifting sling 2 Fixed pulley RRU3832 RRU36...

Страница 58: ...xample The actual connector may vary according to the situation Figure 7 10 Binding cable ties 3 Installation engineer B wraps the power cable connector with a layer of PVC insulation tape as shown in Figure 7 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 wrapped connector is 100 mm...

Страница 59: ...ith 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 RRU3832 RRU3632 Installation Guide 7 Hoisting an RRU and Related Cables onto a Tower Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright ...

Страница 60: ...ece 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 or reverse mode 8 5 Installing the RRU on a Wa...

Страница 61: ...hows the bracket assembly for an RRU Figure 8 2 12 L blade RRU mounting kit 1 Plastic cap 2 Standard M10 nut 3 Spring washer 4 Thick flat washer 5 Square neck bolt 6 Hoist clamp on the main bracket 7 Main bracket 8 Inner hexagon screw 9 Pole installation bracket 10 Auxiliary bracket RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copy...

Страница 62: ...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 be installed...

Страница 63: ...nting 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 NOTICE Tighten the nuts on the two square neck bolts alternatively After the main and auxiliary brackets are secured properly measure the spacin...

Страница 64: ...r 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 RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 55 ...

Страница 65: ...tand 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 RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei...

Страница 66: ...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 NOTICE The second main bracket must be installed with the opening ends of U shaped slots on both sides facing downwards RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprieta...

Страница 67: ...talling 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 8 12 RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawe...

Страница 68: ...he screw 2 Use an M6 Phillips screwdriver to loosen the screw on the metal sheet closer to handle of the second RRU Then rotate the metal sheet to align the vacant hole in the metal sheet with a hole on the top of the first RRU 3 Insert the removed screw into the hole on the top of the first RRU and use an M6 torque screwdriver to tighten the screw to 5 N m 44 25 lbf in End RRU3832 RRU3632 Install...

Страница 69: ...llation of three four or six RRUs The procedures for installing them are the same Following is the procedure of installing four RRUs on a pole Procedure Step 1 Install the two RRUs as shown in 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 mounti...

Страница 70: ...ion 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 NOTICE The third main bracket must be installed with the opening ends of U shaped slots on both sides facing downwards Figure 8 16 Installing the third RRU onto the third main bracket RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei...

Страница 71: ... metal sheet 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 above or below the first set of RRU mounting brackets and maintain a space equal to or greater than 80 mm 3 15 in between the two sets of brackets ...

Страница 72: ...describes the procedure and precautions for installing the RRU on U steel An RRU can be installed on U 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 Prerequisites 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 ...

Страница 73: ...n 40 mm 1 57 in only the a and b modes are supported Figure 8 20 Top view of the RRU 1 U steel 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 RRU3...

Страница 74: ...ts 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 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 U steel as shown in ...

Страница 75: ...nting 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 Figure 8 24 Installing the attachment plate onto the rear of the RRU RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huaw...

Страница 76: ...to 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 Figure 8 26 Securing the captive screw into the connection hole End RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 67 ...

Страница 77: ...RU 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 Context Figure 8 27 shows the top view of the RRU installed on angle steel Figure 8 27 Top view of the RRU 1 Angle steel Procedure Step 1 Determine a position for installing the mounting brackets l If the RRU must be insta...

Страница 78: ...re 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 angle steel horizontally 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...

Страница 79: ...nting 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 31 Figure 8 31 Installing the attachment plate onto the rear of the RRU RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huaw...

Страница 80: ...to 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 33 Figure 8 33 Securing the captive screw into the connection hole End RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 71 ...

Страница 81: ... each RRU the wall must be able to bear a weight four times the RRU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall 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 brackets as shown in Figure 8 34 Figure 8 34 Disassembling the mounting brackets 1...

Страница 82: ...installation position use a level to verify that the pole installation bracket is placed horizontally and then mark anchor points with a marker as shown in Figure 8 35 Figure 8 35 Marking anchor points 1 Level 2 Pole installation bracket 3 RRU NOTE It is recommended that the pole installation bracket be installed at a height of 1200 mm 47 24 in to 1600 mm 62 99 in above the ground Step 3 Drill hol...

Страница 83: ...l it goes all the way into the hole 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 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 exp...

Страница 84: ...nstallation bracket and use an inner hexagon screwdriver to tighten four M6x16 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 8 38 Figure 8 38 Installing the main bracket RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologie...

Страница 85: ...e four stainless screws to 5 N m 44 25 lbf in as shown in Figure 8 39 Figure 8 39 Installing the attachment plate onto the rear of the RRU Step 7 Install the RRU onto the main bracket as shown in Figure 8 40 Figure 8 40 Installing the RRU onto the main bracket RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologi...

Страница 86: ...ot 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 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 on an IFS06 only when the ambient temperature is higher than or equal to ...

Страница 87: ...not need to be replaced Procedure Step 1 Disassemble the RRU mounting brackets as shown in Figure 8 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...

Страница 88: ...tallation 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 RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd...

Страница 89: ...exagon 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 Figure 8 45 Installing the main bracket 1 Main bracket 2 Pole installation bracket RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd ...

Страница 90: ...lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 8 46 Figure 8 46 Installing the RRU onto the main bracket Step 5 Install the RRUs on the lower level from left to right as shown in Figure 8 47 RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 81 ...

Страница 91: ...emperature 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 RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 82 ...

Страница 92: ...igure 8 48 Installing RRUs on the higher level End RRU3832 RRU3632 Installation Guide 8 Installing the RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 83 ...

Страница 93: ...n 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 for opening t...

Страница 94: ...s the procedure for closing the cover plate of an RRU cabling cavity RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 85 ...

Страница 95: ...ameter 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 line mu...

Страница 96: ...se The cable trough must be sealed and routed through the cable hole at the cabinet bottom 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 Cables are secured with cable clips l Cables are routed neatly along the specified cabling direction and secured with cable clips l The posit...

Страница 97: ...es on the cable tray Secure cables on the tower as shown in Figure 9 2 RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 88 ...

Страница 98: ...ing 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 l If DC power cables need to be routed on the tower platform lay out the cables on the guardrail with the shortest distance and route the cables along the guardrail RRU3832 RRU3632 Installation Guide 9 Installing ...

Страница 99: ...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 routed If transmission cables are routed with power cables PGND cables or RF cables in parallel the spacing between them must be greater than 30 mm 1 18 in l E1 cables are routed straightly and bound neatly ...

Страница 100: ...nt Ensure that the fiber optic cables can flexibly move in the cable ties Do not bend the fiber optic cables sharply The following figure shows how to bind the fiber optic cables correctly Figure 9 4 Binding fiber optic cables 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 ...

Страница 101: ...ce cannot be far away 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...

Страница 102: ...le 4 RRU AISG extension cable 5 RRU power cable 6 CPRI fiber optic cable 7 RRU alarm cable Figure 9 9 shows the cable connections for multiple RRUs RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 93 ...

Страница 103: ... optic cable 9 3 Installation Process This section describes the process of installing RRU cables Figure 9 10 shows the process of installing RRU cables RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 94 ...

Страница 104: ...RU 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 RRU Power Cable Tool less female connector pressfit type NEG and RTN ports on the RRU Depending on the power supply equipment External power equipment RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and ...

Страница 105: ...per DIN male connector ANT_TX RXA ANT_TX RXB ANT_RXC or ANT_RXD port on the RRU DIN male connector Antenna system RRU AISG Multi Wire Cable DB9 waterproof male connector 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 ...

Страница 106: ... 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 11 Figure 9 11 Installing an RRU PGND cable NOTE Crimp OT terminals in correct positions as shown in Figure 9 12 Figure 9 12 Correct position of...

Страница 107: ... Figure 9 13 Installing an RRU RF jumper NOTICE On AC powered electric railways such as high speed railways 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 conn...

Страница 108: ...osition 50 mm 1 97 in away below the bottom of the connector to the top of the connector first from bottom up then from top down and finally from bottom up Cut off the redundant tape after three layers are wrapped Wrap each layer of tape around the connector tightly 2 Wrap three layers of PVC insulation tape Start the wrapping at a position 30 mm 1 18 in away below the bottom of the waterproof tap...

Страница 109: ...e layers of waterproof tape from bottom up then from top down and finally from bottom up Do not cut the tape until all the three layers of the tape are already wrapped Cut off the redundant tape after three layers are wrapped Wrap each layer of tape around the connector tightly 3 Wrap three layers of PVC insulation tape Wrap each connector with three layers of waterproof tape from bottom up then f...

Страница 110: ... l Install an AISG multi wire cable that is not 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 the AISG multi wire cable to the RET port on the RRU bottom as shown in Figure 9 16 Figure 9 16 Installing an RRU AISG multi wire cable 3 Use ...

Страница 111: ...nnector 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 as shown in Figure 9 17 Figure 9 17 Installing an RRU AISG multi wire cable 3 Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof DB9 connector to 0 4 N m 3 54 lbf in 4 Connect the other end of the A...

Страница 112: ... This section describes the procedure for installing an RRU alarm cable Procedure Step 1 Use an M3 Phillips screwdriver to loosen the screws on the dustproof 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 9 19 RRU3832 RRU3632 Installation Guide 9 Installing RRU Cab...

Страница 113: ...pes to wrap cord end terminals that are not in use and fix them at a proper position based on the onsite situations This prevents false alarm reporting and equipment damage due to contact of exposed cables Figure 9 20 shows the method for handling cord end terminals not in use Figure 9 20 Method for handling cord end terminals that are not in use Step 5 Route the cables according to the instructio...

Страница 114: ...llips 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 21 Figure 9 21 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 the screws on the clip using an M4 Phillips screwdri...

Страница 115: ... added to the RRU power cable on the power device side For details see the DBS3900 Installation Guide Context If a power device provided by the customer is used the recommended specification of the circuit breaker on this power device is 15 A to 30 A There are four types of RRU power cables in terms of cross sectional areas 3 3 mm2 0 005 in 2 12 AWG and 5 3 mm2 0 008 in 2 10 AWG complying with Nor...

Страница 116: ... DCD U 11 B EPC5 connector DCD U 12 B CAUTION Ensure that the RRU power cable must be connected to the RRU first and then to the power device The operations in the reverse sequence may cause component damage or personal injury Procedure Step 1 Connect the tool less female connector pressfit type at one end of the RRU power cable to the power supply socket on the RRU as shown in Figure 9 23 Figure ...

Страница 117: ...stalled cable according to the instructions in Attaching a Cable Tying Label End 9 11 Installing a CPRI Fiber Optic Cable This section describes the procedure for installing a CPRI fiber optic cable Prerequisites Before the installation single mode optical modules can be distinguished from multi mode optical modules in either of the following ways l SM and MM labels on an optical module SM indicat...

Страница 118: ...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 24 Figure 9 24 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 modul...

Страница 119: ...dule 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 RRU3832 RRU...

Страница 120: ...he power cable is properly tightened using the clip Figure 9 26 Closing clips Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity as shown in Figure 9 27 NOTICE Ensure that cables and waterproof blocks are properly inserted into troughs RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Tec...

Страница 121: ...ate in the sequence shown in Figure 9 28 Then tighten the screws to 2 N m 17 7 lbf in in the same sequence Figure 9 28 Closing the cover plate of an RRU cabling cavity Step 4 Take off the ESD gloves and pack up all the tools End RRU3832 RRU3632 Installation Guide 9 Installing RRU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 112 ...

Страница 122: ...s 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 cables ...

Страница 123: ...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 RRU3832 RRU3632 Installation Guide 11 Powering On an RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologie...

Страница 124: ...e 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 RRU3832 RRU3632 Installation Guide 11 Powering On an RRU Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 115 ...

Страница 125: ...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 RRU3832 RRU3632 Installation Guide 12 Appendix Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 116 ...

Страница 126: ... 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 RRU3832 RRU3632 Installation Guide 12 Appendix Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyrigh...

Страница 127: ...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 RRU3832 RRU3632 Installation Guide 12 Appendix Issue 05 2014 06 30 Huawei Proprietary and ...

Страница 128: ...en use a torque screwdriver to tighten the M4 screws to 1 4 N m 12 39 lbf in 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 RRU3832 RRU3632 Installation Guide 12 Appendix Issue 05 2014 06 30 Huawei Proprietary and Con...

Страница 129: ...s female connector 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 RRU3832 RRU3632 Installation Guide 12 Appendix Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 120 ...

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