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RRU5303
Installation Guide

6 Hoisting an RRU and Related Cables onto a Tower

Issue Draft B (2018-05-15)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

36

6

Hoisting an RRU and Related Cables onto

a Tower

About This Chapter

This section describes the procedure for hoisting an RRU and related cables onto a tower and
the precautions that must be taken.

6.1 Hoisting an RRU onto a Tower

This section describes the procedures and precautions for hoisting an RRU and its mounting
kits onto a tower. In tower-mounted scenarios, the RRU can be installed on a pole, U-steel, or
angle steel.

6.2 Hoisting Optical Fibers onto a Tower

This section describes the procedure for hoisting optical fibers onto a tower and the
precautions that must be taken.

6.3 Hoisting Power Cables onto a Tower

This section describes the procedure for hoisting power cables onto a tower and the
precautions that must be taken.

6.1 Hoisting an RRU onto a Tower

This section describes the procedures and precautions for hoisting an RRU and its mounting
kits onto a tower. In tower-mounted scenarios, the RRU can be installed on a pole, U-steel, or
angle steel.

Prerequisites

When the RRU is powered by an AC/DC power module, you need to install the AC/DC
power module onto the RRU before hoisting them onto a tower. For detailed operations, see

OPM15M(Ver.B) User Guide

or

OPM50M(Ver.B) User Guide

.

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Содержание RRU5303

Страница 1: ...RRU5303 Installation Guide Issue Draft B Date 2018 05 15 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ... the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise 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 subj...

Страница 3: ... versions eRAN13 1 and later versions V100R013C10 and later versions Intended Audience This document is intended for Base station installation engineers Organization 1 Changes in RRU5303 Installation Guide This section describes the changes in the RRU5303 Installation Guide 2 Installation Preparations This chapter describes the reference documents tools and instruments that must be ready before th...

Страница 4: ...g the RRU varies depending on installation options 8 Installing RRU Cables This chapter describes the procedure for installing RRU cables 9 Checking the RRU Hardware Installation 10 Powering On an RRU After all the devices are installed check the power on status of an RRU 11 Appendix Conventions Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Descrip...

Страница 5: ...is in Courier New Command Conventions 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...

Страница 6: ...r and press Tab Key 1 Key 2 Press the keys concurrently For example pressing Ctrl Alt A means the three keys should be pressed concurrently Key 1 Key 2 Press the keys in turn For example pressing Alt A means the two keys should be pressed in turn Mouse Operation Action Description Click Select and release the primary mouse button without moving the pointer Double click Press the primary mouse butt...

Страница 7: ...Clearance Requirements of an RRU 21 3 5 1 Clearance for a Single RRU 21 3 5 2 Clearance for Three or More RRUs 25 3 5 3 Installation Spacing Between RRUs 30 4 Unpacking the Equipment 33 5 Installation Process 35 6 Hoisting an RRU and Related Cables onto a Tower 36 6 1 Hoisting an RRU onto a Tower 36 6 2 Hoisting Optical Fibers onto a Tower 40 6 3 Hoisting Power Cables onto a Tower 43 7 Installing ...

Страница 8: ... 5 Installing an RRU PGND Cable 99 8 6 Installing an RRU RF Jumper 101 8 7 Installing an RRU AISG Multi Wire Cable and AISG Extension Cable 105 8 8 Opening the Cover Plate of an RRU Cabling Cavity 108 8 9 Installing a CPRI Optical Fiber 110 8 10 Installing an RRU power cable 113 8 11 Closing the Cover Plate of an RRU Cabling Cavity 115 9 Checking the RRU Hardware Installation 119 10 Powering On an...

Страница 9: ...lation Guide Draft B 2018 05 15 This is a draft Compared with Draft A 2018 04 14 this issue does not include any new information Compared with Draft A 2018 04 14 this issue includes the following change Topic Change Description 11 1 Adding a Female Connector Pressfit Type to the RRU Power Cable on the RRU Side Optimized the descriptions in this section Compared with Draft A 2018 04 14 no informati...

Страница 10: ...pared before the remote radio unit RRU installation 2 3 Skills and Requirements for Onsite Personnel Onsite personnel must be qualified and trained Before performing any operation onsite personnel must be familiar with correct operation methods and safety precautions 2 1 Reference Documents Before the installation you must be familiar with reference documents The following reference documents are ...

Страница 11: ...stripper Power cable cutter Diagonal pliers Torque screwdriver 5 mm 0 2 in M3 to M6 M3 to M6 Power cable crimping tool Hydraulic pliers Adjustable wrench open mouth 32 mm 1 26 in Torque wrench Open mouth 16 mm 0 63 in 17 mm 0 67 in 19 mm 0 75 in 21 mm 0 83 in 22 mm 0 87 in and 32 mm 1 26 in Combination wrench Open mouth 16 mm 0 63 in 17 mm 0 67 in 19 mm 0 75 in 21 mm 0 83 in 22 mm 0 87 in and 32 m...

Страница 12: ... 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 Before the installation pay attention to the following items The customer s technical engineers must be trained by Huawei and be familiar with the proper installation and operation methods The number of onsite perso...

Страница 13: ...s An RRU has a bottom panel cabling cavity panel and indicator panel 3 3 RRU Indicators This section describes six indicators on an RRU They indicate the running status of the RRU 3 4 Installation Scenarios An RRU can be installed on a pole U steel angle steel wall or IFS06 Installation scenarios must meet heat dissipation and waterproofing requirements of the RRU 3 5 Installation Clearance Requir...

Страница 14: ...15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 6 Figure 3 1 RRU exterior Figure 3 2 shows RRU dimensions Figure 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 ...

Страница 15: ... shows the ports on the RRU panels Figure 3 3 Ports on the RRU panels Table 3 1 describes ports and indicators on the RRU panels Table 3 1 Ports and indicators on the RRU panels Item Silkscreen Remarks 1 Bottom ports A T R TX RX port A 4 3 10 straight connector supporting RET signal transmission C R RX port C 4 3 10 straight connector D R RX port D 4 3 10 straight connector ...

Страница 16: ...el RRU CPRI1 Optical electrical port 1 connected to a lower level RRU or the BBU 3 Indicator RUN For details see 3 3 RRU Indicators ALM ACT VSWR CPRI0 CPRI1 The port for transmitting RET signals is determined by the software Connect the CPRI0 port to the BBU by default in the single mode scenario 3 3 RRU Indicators This section describes six indicators on an RRU They indicate the running status of...

Страница 17: ...s running with TX channels disabled VSWR Red Steady off No voltage standing wave ratio VSWR alarm is generated Blinking on for 1s and off for 1s VSWR alarms are generated on the B T R port Steady on VSWR alarms are generated on the A T R port Blinking on for 0 125s and off for 0 125s VSWR alarms are generated on the A T R and B T R ports CPRI0 Red and green Steady green The CPRI link is running pr...

Страница 18: ... RRU Requirements for the Installation Scenarios RRU is a professional communications equipment and cannot be installed in areas which are accessible to people The installation scenarios involve the related security features For details about specific requirements and precautions see Safety Information Application scenarios To ensure proper heat dissipation of the RRU the following requirements mu...

Страница 19: ... RRU the vertical deviation angle of an RRU must be less than or equal to 10 degrees as shown Figure 3 5 On a tower an RRU can be installed on a pole angle steel or U steel The side mounted installation mode one side instead of the rear of an RRU is mounted on the support is recommended for RRUs on the main pole secured on a tower This installation mode allows the RRU stacked installation When the...

Страница 20: ...e operator is the front of the RRU and the other side is the back of the RRU Standard installation RRU mounting kits are installed on the back of an RRU Reverse installation RRU mounting kits are installed on the front of an RRU Side mounted installation RRU mounting kits are installed on the side face not the side face of the maintenance cavity of an RRU Stacked installation Two or more RRUs are ...

Страница 21: ...recommended thickness of the pole wall is 3 5 mm 0 14 in or above When RRUs are installed on a pole the side mounted installation is recommended A maximum of three RRUs can be installed on a pole with the diameter ranging from 60 mm 2 36 in to 76 mm 2 99 in Only a pole whose diameter ranges from 76 mm 2 99 in to 114 mm 4 49 in supports more than three RRUs Figure 3 7 shows a single RRU installed o...

Страница 22: ...n Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 14 Figure 3 8 Two RRUs installed on a pole Figure 3 9 Figure 3 10 and Figure 3 11 show multiple RRUs installed on a pole Figure 3 9 Three RRUs installed on an IFS06 ...

Страница 23: ...tion Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 15 Figure 3 10 Four RRUs installed on a pole Figure 3 11 Six RRUs installed on an IFS06 Installing an RRU on U Steel Figure 3 12 shows U steel specifications ...

Страница 24: ...dential Copyright Huawei Technologies Co Ltd 16 Figure 3 12 U steel specifications U steel supports only the standard or reverse installation of a single RRU Figure 3 13 shows an RRU installed on U steel Figure 3 13 RRU installed on U steel Installing an RRU on Angle Steel Figure 3 14 shows angle steel specifications ...

Страница 25: ...e RRU Figure 3 15 shows an RRU installed on angle steel Figure 3 15 RRU installed on angle steel Installing an RRU on a Wall The wall for installing RRUs must meet the following requirements For each RRU the wall must be able to bear a weight four times heavier than the RRU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall Expansion bolts must be tightened to 30 N m 2...

Страница 26: ...d on a wall When RRUs are installed on a wall in side mounted mode RRU stacked installation is not allowed as shown in Figure 3 16 Figure 3 16 Correct installation of RRUs installed on a wall in side mounted mode Figure 3 17 shows an RRU installed on a wall Figure 3 17 RRU installed on a wall Installing an RRU on an IFS06 The upper and lower adjustable beams on an IFS06 can be moved up and down to...

Страница 27: ...he RRUs The IFS06 supports a maximum of six RRUs when the ambient temperature is higher than or equal to the lowest operating temperature of the RRUs and at least 10 C 50 F lower than the highest operating temperature of the RRUs For details about the operating temperature of the RRUs see section Technical Specifications of RRUs in Base Station Technical Description RRUs cannot be stacked when the...

Страница 28: ...mation About the Installation Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 20 Figure 3 19 Three RRUs installed on an IFS06 1 Height restricted scenario 2 Height unrestricted scenario ...

Страница 29: ... an IFS06 1 Height restricted scenario 2 Height unrestricted scenario 3 5 Installation Clearance Requirements of an RRU This section describes the requirements for the installation clearance of a single RRU and multiple RRUs and the requirements for the installation spacing between RRUs 3 5 1 Clearance for a Single RRU This section describes the recommended and minimum clearances for a single RRU ...

Страница 30: ...recommended clearances ensure normal running and provide appropriate space for operation and maintenance O M If the installation space is sufficient leave the recommended clearances after installing the equipment The minimum clearance ensures normal running and heat dissipation but O M activities such as checking indicator status and opening the cabling cavity cannot be properly conducted If the i...

Страница 31: ... 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 23 Figure 3 21 Clearance for a single RRU in side mounted mode Clearance for a Single RRU in Standard or Reverse Mode Figure 3 22 shows the clearance for a single RRU in standard or reverse mode ...

Страница 32: ...etary and Confidential Copyright Huawei Technologies Co Ltd 24 Figure 3 22 Clearance for a single RRU in standard or reverse mode Clearance for a Single Tower Mounted RRU Figure 3 23 and Figure 3 24 show the minimum clearances for a single RRU in side mounted mode and standard or reverse mode on a tower ...

Страница 33: ...opyright Huawei Technologies Co Ltd 25 Figure 3 23 Minimum clearance for a single RRU in side mounted mode on a tower Figure 3 24 Minimum clearance for a single RRU in standard or reverse mode on a tower 3 5 2 Clearance for Three or More RRUs This section describes the recommended and minimum clearances for three or more RRUs ...

Страница 34: ...ce is sufficient leave the recommended clearances after installing the equipment The minimum clearance ensures normal running and heat dissipation but O M activities such as checking indicator status and opening the cabling cavity cannot be properly conducted If the installation space is restricted leave the minimum clearance after installing the equipment Recommended Clearances for Multiple RRUs ...

Страница 35: ...ntial Copyright Huawei Technologies Co Ltd 27 Figure 3 26 Minimum clearances for multiple RRUs installed in stacked mode Recommended Clearances for Multiple RRUs Installed in Standard or Reverse Mode on a Wall Figure 3 27 shows the recommended clearances for multiple RRUs installed in standard or reverse mode on a wall ...

Страница 36: ...yright Huawei Technologies Co Ltd 28 Figure 3 27 Recommended clearances for multiple RRUs installed in standard or reverse mode on a wall Minimum Clearances for Multiple RRUs Installed in Standard or Reverse Mode on a Wall Figure 3 28 shows the minimum clearances for multiple RRUs installed in standard or reverse mode on a wall ...

Страница 37: ...l Copyright Huawei Technologies Co Ltd 29 Figure 3 28 Minimum clearances for multiple RRUs installed in standard or reverse mode on a wall Recommended Clearances for Multiple RRUs Installed in Side Mounted Mode on a Wall Figure 3 29 shows the recommended clearances for multiple RRUs installed in side mounted mode on a wall ...

Страница 38: ...installed in side mounted mode on a wall 3 5 3 Installation Spacing Between RRUs This section describes the horizontal and vertical spacing between RRUs Recommended Horizontal Spacing Between RRUs Figure 3 30 shows the recommended horizontal spacing between RRUs Figure 3 30 Recommended horizontal spacing between RRUs Minimum Horizontal Spacing Between RRUs Figure 3 31 shows the minimum horizontal ...

Страница 39: ...uawei Technologies Co Ltd 31 Figure 3 31 Minimum horizontal spacing between RRUs Recommended Vertical Spacing Between RRUs Figure 3 32 shows the recommended vertical spacing between RRUs Figure 3 32 Recommended vertical spacing between RRUs Minimum Vertical Spacing Between RRUs Figure 3 33 shows the minimum vertical spacing between RRUs ...

Страница 40: ...3 Installation Guide 3 Information About the Installation Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 32 Figure 3 33 Minimum vertical spacing between RRUs ...

Страница 41: ...id touching the equipment components or parts with bare hands sweat soaked gloves or dirty gloves Transportation of the base stations must comply with requirements of ETSI 300 019 1 2 class 2 3 For the goods damage caused by non standard and violent transportation or non human factors such as natural disasters the transportation entity should take the responsibility After a cabinet or a BBU is unp...

Страница 42: ... 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 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 r...

Страница 43: ...ry and Confidential Copyright Huawei Technologies Co Ltd 35 5 Installation Process The installation process involves installing an RRU and RRU cables checking the RRU hardware installation and powering on an RRU Figure 5 1 shows the installation process Figure 5 1 Process of installing an RRU ...

Страница 44: ...l or angle steel 6 2 Hoisting Optical Fibers onto a Tower This section describes the procedure for hoisting optical fibers onto a tower and the precautions that must be taken 6 3 Hoisting Power Cables onto a Tower This section describes the procedure for hoisting power cables onto a tower and the precautions that must be taken 6 1 Hoisting an RRU onto a Tower This section describes the procedures ...

Страница 45: ... 2 Installation engineer C binds the mounting kits using the lifting sling and traction sling on the ground as shown in Figure 6 1 Then installation engineer B pulls the lifting sling downwards and installation engineer C pulls the traction sling outwards to protect the mounting kits from colliding with the tower Figure 6 1 Binding mounting kits for the RRU 1 Lifting sling 2 Traction sling Step 3 ...

Страница 46: ...Related Cables onto a Tower Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 38 Figure 6 2 Binding the RRU 1 Handle 2 Lifting sling 3 Traction eye 4 Traction sling Figure 6 3 Incorrect binding method 1 ...

Страница 47: ...s Co Ltd 39 Figure 6 4 Incorrect binding method 2 Step 6 Hoist the RRU onto the tower as shown in Figure 6 5 Installation engineer B pulls the lifting sling downwards and installation engineer C pulls the traction sling outwards to protect the RRU from colliding with the tower Figure 6 5 Hoisting the RRU onto the tower 1 Lifting sling 2 Fixed pulley 3 Traction sling ...

Страница 48: ...he tower Step 8 Installation engineer A installs the RRU onto the main bracket and uses an inner hexagon torque screwdriver to tighten the captive screw into the hole of the attachment plate and main bracket to 5 N m 44 25 lbf in For detailed operations see steps 4 and 5 in 7 2 1 Installing a Single RRU Step 9 Untie the lifting sling and traction sling The procedure for hoisting the RRU and its mo...

Страница 49: ...sed on the labels on both ends of the cables and determine the hoisting direction 1 After climbing up to the tower installation engineer A secures the fixed pulley to the tower platform support and leads the lifting sling through the fixed pulley 2 Installation engineer B places the fiber coiler for coiling optical fibers on the fiber spools and installation engineer D lead the lifting sling throu...

Страница 50: ...Ltd 42 Figure 6 7 Binding optical fibers 1 Lifting sling 2 Stretch sling 3 Traction sling Do not remove the stretch sling and protection pipe or bind optical fibers using one sling as shown in Figure 6 8 Figure 6 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 optical fibers ...

Страница 51: ...tically using cable clips Step 3 Remove the lifting sling traction sling and protection pipe The procedure for hoisting the optical fibers onto the tower is for your reference only End 6 3 Hoisting Power Cables onto a Tower This section describes the procedure for hoisting power cables onto a tower and the precautions that must be taken Context Cabling requirements for power cables are met For det...

Страница 52: ...pulley 1 After climbing up to the tower installation engineer A secures the fixed pulley to the tower platform support and leads the lifting sling through the fixed pulley 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 6 10 The connector on the power cable in the figure is only an example The ...

Страница 53: ...hnologies Co Ltd 45 Figure 6 10 Binding cable ties 3 Installation engineer B wraps the power cable connector with a layer of PVC insulation tape as shown in Figure 6 11 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 ...

Страница 54: ...4 Installation engineer C pulls the lifting sling downwards and installation engineer B pulls the other end of the lifting sling outwards to protect the power cables from colliding with the tower Step 2 Secure the power cables to the tower vertically using cable clips Step 3 Remove the cable ties PVC insulation tape and lifting sling The procedure for hoisting the power cables onto the tower is fo...

Страница 55: ... 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 7 4 Installing an RRU on Angle Steel This section describes the process and precautions for installing an RRU on angle steel An RRU can be installed on angle steel secured on the ground or a tower Each piece of angle steel allows only one RRU to...

Страница 56: ...3 Attachment plate Figure 7 2 shows the bracket assembly for an RRU The RRU described in this document must use the required RRU mounting kits in new deployment scenarios Figure 7 2 12 Lblade 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 A...

Страница 57: ...ed onto the tower For details see 6 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly Do not stand an RRU upright because the RF ports cannot support the weight of the RRU Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation Procedure Step 1 Determine a position for installing the mounting kits If the RRU is ...

Страница 58: ...stallation Clearance Requirements of an RRU needs to be provided Step 2 Install the RRU mounting kits as shown in Figure 7 4 Figure 7 4 Installing the RRU mounting kits Ensure that the arrows on the mounting kits are pointing up 1 Adjust the position of the nut and remove the square neck bolt at the open end from the slot on the auxiliary bracket 2 Slide the mounting kits onto the pole horizontall...

Страница 59: ...he two square neck bolts simultaneously After the main and auxiliary brackets are secured properly measure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides Figure 7 5 Securing the RRU mounting kits Step 4 Install the RRU onto the main bracket as shown in Figure 7 6 Figure 7 6 Installing the RRU onto the main bracket ...

Страница 60: ...n in Figure 7 7 Figure 7 7 Securing the captive screw into the connection hole End 7 2 2 Installing Two RRUs This section describes the procedure and precautions for installing two RRUs on a pole Prerequisites The hoist clamp on the main bracket is secured properly Do not stand an RRU upright because the RF ports cannot support the weight of the RRU Place a foam pad or cardboard under an RRU to pr...

Страница 61: ...in bracket Step 2 Use an M6 inner hexagon screwdriver to loosen the four hex socket screws from the main bracket and pole mounting kit on the second set of mounting kits and remove the main bracket as shown in Figure 7 9 Figure 7 9 Removing the RRU main bracket 1 Main bracket 2 Pole mounting kit Step 3 Install the removed main bracket on one side of the first main bracket as shown in Figure 7 10 ...

Страница 62: ...th sides facing downwards Figure 7 10 Installing the second main bracket 1 Removed main bracket The main mounting bracket for installing a blade RRU can connect to the main mounting bracket for installing a common RRU in the scenarios of adding RRUs as shown in Figure 7 11 Figure 7 11 Connecting to the main mounting bracket for installing a common RRU 1 Main mounting bracket for a blade RRU 2 Main...

Страница 63: ...main bracket as shown in Figure 7 12 Figure 7 12 Installing the second RRU onto the main bracket After installing each RRU on its main bracket use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 13 ...

Страница 64: ... 7 13 Securing the captive screw into the connection hole Step 5 Install the sheet metal tab for fixing the neighboring RRUs as shown in Figure 7 14 Figure 7 14 Installing the sheet metal tab 1 Screw 2 Sheet metal tab 1 Use an M6 Phillips screwdriver to loosen the screw on the sheet metal tab farther from the handle of the second RRU and remove the screw ...

Страница 65: ... or More RRUs This 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 Do not stand an RRU upright because the RF ports cannot support the weight of the RRU Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation Context A pole supports thr...

Страница 66: ... bracket and pole mounting kit on the second set of mounting kits and remove the main bracket as shown in Figure 7 16 Figure 7 16 Removing the RRU main bracket 1 Main bracket 2 Pole mounting kit Step 3 Install the third main bracket and install the third RRU onto the third main bracket Then use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attach...

Страница 67: ...The third main bracket must be installed with the open ends of U shaped slots on both sides facing downwards Figure 7 17 Installing the third RRU onto the third main bracket The main mounting bracket for installing a blade RRU can connect to the main mounting bracket for installing a common RRU in the scenarios of adding RRUs as shown in Figure 7 11 ...

Страница 68: ...tall the sheet metal tab for fixing the neighboring RRUs as shown in Figure 7 19 Figure 7 19 Installing the sheet metal tab 1 Screw 2 Sheet metal tab 1 Use an M6 Phillips screwdriver to loosen the screw on the sheet metal tab farther from the handle of the first RRU and remove the screw 2 Use an M6 Phillips screwdriver to loosen the screw on the sheet metal tab closer to the handle of the first RR...

Страница 69: ...nstall the second set of RRU mounting kits at least 80 mm 3 15 in above or below the first set of RRU mounting kits as shown in Figure 7 20 Figure 7 20 Installing the second set of RRU mounting kits 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 on the top of the attachment plate and main bracket to 5 N...

Страница 70: ...on describes the procedure and precautions for installing an 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 6 1 Hoisting an RRU ont...

Страница 71: ... housing from damage during the installation Context Figure 7 22 shows the top view of an RRU installed on U steel When the width of the narrower edges of the U steel is less than 40 mm 1 57 in only the a and b modes are supported Figure 7 22 Top view of an RRU 1 U steel Procedure Step 1 Determine a position for installing the mounting kits If the RRU is installed on a tower determine a position f...

Страница 72: ...shown in the figure above it is recommended that the mounting kits be installed at a position 1200 mm 47 24 in to 1600 mm 59 06 in high above the ground If the space is insufficient only the 3 5 Installation Clearance Requirements of an RRU needs to be provided Step 2 Install the RRU mounting kits as shown in Figure 7 24 Figure 7 24 Installing the RRU mounting kits Ensure that the arrows on the po...

Страница 73: ...secured onto the U steel as shown in Figure 7 25 Tighten the nuts on the two square neck bolts simultaneously After the main and auxiliary brackets are secured properly measure the spacing between the mounting kits on both sides and ensure that the spacing is the same on the two sides Figure 7 25 Securing the RRU mounting kits Step 4 Use an inner hexagon torque screwdriver to remove the attachment...

Страница 74: ...o the rear of the RRU Step 5 Install the RRU onto the main bracket as shown in Figure 7 27 Figure 7 27 Installing the RRU onto the main brackets Step 6 Use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 28 ...

Страница 75: ... or a tower Each piece of angle 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 6 1 Hoisting an RRU onto a Tower The hoist clamp on the main bracket is secured properly Do not stand an RRU upright because the RF ports cannot suppor...

Страница 76: ...ng to the instructions in 3 5 1 Clearance for a Single RRU If the RRU is installed on angle steel secured on the ground determine a position for installing the mounting brackets according to Figure 7 30 Figure 7 30 Distance between the mounting kits and the ground As shown in the figure above it is recommended that the mounting kits be installed at a position 1200 mm 47 24 in to 1600 mm 59 06 in h...

Страница 77: ...rom 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 63 in M10 torque wrench to tighten the nuts to 40 N m so that the mounting kits are secured onto the angle steel as shown in Figure 7 32 Tighten the nuts on the two square neck bolts simultaneously After the main and auxiliary brac...

Страница 78: ...g kits Step 4 Use an inner hexagon torque screwdriver to remove the attachment plate from one side of the RRU reinstall the attachment plate onto the rear of the RRU and tighten the four stainless screws to 5 N m 44 25 lbf in as shown in Figure 7 33 Figure 7 33 Installing the attachment plate onto the rear of the RRU Step 5 Install the RRU onto the main bracket as shown in Figure 7 34 ...

Страница 79: ...Installing the RRU onto the main brackets Step 6 Use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 35 Figure 7 35 Securing the captive screw into the connection hole End ...

Страница 80: ...annot support the weight of the RRU Place a foam pad or cardboard under an RRU to protect the RRU housing from damage during the installation Context The wall on which RRUs are installed must meet the following requirements For each RRU the wall must be able to bear a weight four times heavier than the RRU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall Expansion bo...

Страница 81: ...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 loosen the nuts on the two square neck bolts and remove the plastic screw cap nuts spring washers flat washers square neck bolts and pole installation bracket from the auxiliary bracket Step 2 Place the pole installation b...

Страница 82: ...ded that the pole installation bracket be installed at a position 1200 mm 47 24 in to 1600 mm 59 06 in high above the ground If the space is insufficient only the 3 5 Installation Clearance Requirements of an RRU needs to be provided Step 3 Drill holes at the anchor points and then insert expansion anchor bolts as shown in Figure 7 38 Figure 7 38 Drilling holes and inserting expansion anchor bolts...

Страница 83: ...t the dust before drilling holes 2 Tighten the expansion anchor bolts slightly and place one vertically into each hole 3 Use a rubber mallet to pound the expansion anchor bolt until it goes into the hole completely 4 Tighten and then loosen the expansion bolt and remove the M10 bolt spring washer and flat washer in sequence After dismantling an expansion anchor bolt ensure that the top of the expa...

Страница 84: ...n the expansion anchor bolts Ensure that the arrows on the pole installation bracket are pointing up Step 5 Install the main bracket onto the pole installation bracket using four M6x16 inner hexagon screws and use an inner hexagon torque screwdriver to tighten the inner hexagon screws to 5 N m 44 25 lbf in so that the main bracket and pole installation bracket are firmly secured as shown in Figure...

Страница 85: ... the main bracket 1 Main bracket 2 Pole installation bracket Step 6 Use an inner hexagon torque screwdriver to remove the attachment plate from one side of the RRU reinstall the attachment plate onto the rear of the RRU and tighten the four stainless screws to 5 N m 44 25 lbf in as shown in Figure 7 41 Figure 7 41 Installing the attachment plate onto the rear of the RRU ...

Страница 86: ...s shown in Figure 7 42 Figure 7 42 Installing the RRU onto the main bracket Step 8 Use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 43 Figure 7 43 Securing the captive screw into the connection hole End ...

Страница 87: ...t least 5 C 41 F lower than the highest working temperature of the RRU In this scenario the IFS06 supports at least three RRUs The IFS06 supports a maximum of six RRUs when the ambient temperature is higher than or equal to the lowest operating temperature of the RRUs and at least 10 C 50 F lower than the highest operating temperature of the RRUs For details about the operating temperature of the ...

Страница 88: ...r hexagon screws on the pole installation bracket and remove the main bracket from the pole installation bracket 2 Use an M10 torque wrench to loosen the nuts on the two square neck bolts and remove the plastic screw cap nuts spring washers flat washers square neck bolts and pole installation bracket from the auxiliary bracket Step 2 Install the RRU main bracket using the M10x50 bolts delivered wi...

Страница 89: ... 81 Figure 7 45 Installing the pole mounting kit in height unrestricted scenario 1 Spring washer 2 Rubber washer Step 3 Attach the main bracket to the pole mounting kit 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 mounting kit are firmly secured as shown in Figure 7 46 ...

Страница 90: ...re 7 46 Installing the RRU main brackets 1 Main bracket 2 Pole mounting kit Step 4 Attach the RRU to the main bracket and then use an inner hexagon screwdriver to tighten the captive screw into the holes of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 7 47 ...

Страница 91: ...Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 83 Figure 7 47 Installing and securing the RRU on the main bracket Step 5 Install the RRUs on the lower level from left to right as shown in Figure 7 48 ...

Страница 92: ...o Ltd 84 Figure 7 48 Installing RRUs on the lower level Step 6 Optional When the ambient temperature is greater than or equal to the lowest operating temperature of the RRU and at least 10 C 50 F lower than the highest operating temperature of the RRU repeat the preceding steps to install the RRUs on the higher level as shown in Figure 7 49 ...

Страница 93: ...RRU5303 Installation Guide 7 Installing the RRU Issue Draft B 2018 05 15 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 85 Figure 7 49 Installing RRUs on the higher level End ...

Страница 94: ...tion describes RRU cable connections 8 5 Installing an RRU PGND Cable This section describes the procedure for installing an RRU PGND cable 8 6 Installing an RRU RF Jumper This section describes the procedure for installing an RRU RF jumper 8 7 Installing an RRU AISG Multi Wire Cable and AISG Extension Cable This section describes the procedures for installing an RRU AISG multi wire cable and AISG...

Страница 95: ...reakout cable is at least 30 mm 1 18 in The bending radius of an E1 T1 cable must be at least three times its diameter The bending radius of a signal cable must be at least five times its diameter Cable binding requirements Cables of the same type must be bound together Different types of cables must be separately laid out and bound with a minimum distance of 30 mm 1 18 in from each other The cabl...

Страница 96: ...ase When routing cables through tubes along a metal cable trough below the cabinet do not put the tubes into the base of the cabinet but cover the cable trough and connect the tubes to the cable holes in the base When routing RRU cables ensure that the highest positions of the routes of all RRU cables except RF cables and AISG cables are lower than the bottom of the RRU to prevent water from enter...

Страница 97: ...chnologies Co Ltd 89 Figure 8 1 Exterior of the clips 1 Cable hole for feeders 2 Cable hole for fiber optic cables 3 Cable hole for power cables The following figure shows the cables secured on a cable tray Figure 8 2 Cables secured on a cable tray 1 3 hole clip 2 6 hole clip The following figure shows the cables secured on a tower ...

Страница 98: ...ower cables Power cables must be installed in the position specified in engineering design documents If the length of power cables is insufficient replace the cables rather than adding connectors or soldering joints to lengthen the cables Cables can only be laid out under well planned instructions The cabling activities of fiber optic cables are allowed only when qualified personnel and communicat...

Страница 99: ... are connected PGND cables and signal cables must be installed separately A certain distance must be reserved between them to prevent interference from each other Switches or fuses must not be installed on the PGND cables Other devices must not be used for electrical connections of the PGND cables All the metal parts in the housing of the equipment must be reliably connected to the ground terminal...

Страница 100: ...s must be coiled around special devices such as a fiber coiler An unarmored fiber optic cable must be bound using binding straps If a fiber optic patch cord needs to be secured in a cabinet or a piece of equipment use binding straps to bind it and then use cable ties to secure the binding straps to the cabinet or equipment Ensure that the fiber optic cables can flexibly move in the cable ties Do n...

Страница 101: ...bles routed in the cabinet 2 Figure 8 8 FE GE fiber optic cables routed in the cabinet After routing a fiber optic cable onto the platform on a tower route it along the shortest path to the rails surrounding the platform and route it along the inside of the rails After routing a fiber optic cable close to the equipment on a tower use clips to secure the fiber optic cable onto a pole or the rails s...

Страница 102: ...t support power cable cascading Figure 8 9 and Figure 8 10 show the cable connections of a single mode RRU When the following scenarios need to be monitored by RRUs If the external power supply system needs to be monitored and supports modulating RS485 and dry contact alarm signals using power cables you do not need to install the MEB In other scenarios you need to install MEB For details about ME...

Страница 103: ...ght Huawei Technologies Co Ltd 95 Figure 8 10 Cable connections of a single mode RRU MEB installed 1 RRU PGND cable 2 RRU RF jumper 3 RRU AISG multi wire cable 4 RRU AISG extension cable 5 RRU power cable 6 CPRI optical fiber 7 MEB power cable 8 MEB alarm cable Figure 8 11 shows the cable connections of a multimode RRU ...

Страница 104: ...d Confidential Copyright Huawei Technologies Co Ltd 96 Figure 8 11 Cable connections of a multimode RRU 1 RRU PGND cable 2 RRU RF jumper 3 RRU AISG multi wire cable 4 RRU AISG extension cable 5 RRU power cable 6 CPRI optical fiber Figure 8 12 shows the cable connections of multiple single mode RRUs ...

Страница 105: ...pyright Huawei Technologies Co Ltd 97 Figure 8 12 Cable connections of multiple single mode RRUs 1 RRU PGND cable 2 RRU RF jumper 3 RRU power cable 4 CPRI optical fiber 8 3 Installing RRU Cables This chapter describes the procedure for installing RRU cables Figure 8 13 shows the procedure for installing RRU cables ...

Страница 106: ... RRU cables Table 8 1 RRU cables Cable One End The Other End Connector Installation Position Connector Installation Position RRU PGND Cable OT terminal M6 16 mm2 or 0 025 in 2 Ground terminal on the RRU OT terminal M8 16 mm2 or 0 025 in 2 Ground terminal on the ground bar RRU Power Cable Female connector pressfit type NEG and RTN ports on the RRU Depending on the power supply equipment External po...

Страница 107: ...CE Select cables based on the type of the connector at the other end of the cable on live networks 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 108: ...route cut the PGND cable into a proper length to prepare an RRU PGND cable Then add 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 ba...

Страница 109: ...abel End 8 6 Installing an RRU RF Jumper This section describes the procedure for installing an RRU RF jumper Context For details about connections between RRU ports and antenna ports see the RF cable connection section for the corresponding RRU in RRU Hardware Description Procedure Step 1 Connect the 4 3 10 straight male connector on the RRU RF jumper to the antenna port and use a torque wrench t...

Страница 110: ...y 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 Connect the other end of the RRU RF jumper to the external antenna system Before installation check whether the connector at the other end is a 4 3 10 straight male connector or DIN male connector Step 3 Waterp...

Страница 111: ...e layers of waterproof tape on the connector first from bottom up then from top down and finally from bottom up Start wrapping the connector at a position 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 conn...

Страница 112: ...he connector first from bottom up then from top down and finally from bottom up Wrap each connector with three 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...

Страница 113: ... cable is used to extend the AISG multi wire cable Procedure Install an AISG multi wire cable that is not configured with an AISG extension cable a Use an M3 flat head screwdriver to loosen the screws on the dustproof cap on the RET port and remove the dustproof cap b Link the waterproofed DB9 connector at one end of the AISG multi wire cable to the RET port on the RRU bottom as shown in Figure 8 ...

Страница 114: ...the dustproof cap on the RET port and remove the dustproof cap b Link the waterproofed DB9 connector at one end of the AISG multi wire cable to the RET port on the RRU bottom and link the other end to the standard AISG male connector of the AISG extension cable as shown in Figure 8 20 Figure 8 20 Installing an RRU AISG multi wire cable c Use an M3 Phillips screwdriver to tighten the posts on both ...

Страница 115: ...tch the tape evenly until the length of the tape becomes twice its original length Do not stretch the PVC insulation tape when wrapping the PVC insulation tape 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 Ensure that the adhesive surface of the t...

Страница 116: ...ables according to the instructions in 8 1 Cabling Requirements g Label the installed cables according to the instructions in Attaching an L Shaped Label End 8 8 Opening the Cover Plate of an RRU Cabling Cavity This section describes the procedure for opening the cover plate of an RRU cabling cavity Procedure Step 1 Wear ESD gloves Take proper ESD protection measures for example wear ESD gloves to...

Страница 117: ...he cover plate of the cabling cavity 90 degrees counterclockwise to unlock the cover plate Then pull the handle outwards to open the RRU cabling cavity as shown in Figure 8 23 Do not use the electric screwdriver to rotate the locking screw Otherwise the cross recess may be scratched Figure 8 23 Opening the cover plate of the RRU cabling cavity 1 Locking screw Figure 8 24 shows the internal structu...

Страница 118: ...move only the waterproof blocks for the cables to be installed End 8 9 Installing a CPRI Optical Fiber This section describes the procedure for installing a CPRI optical fiber Prerequisites Before the installation single mode optical modules can be distinguished from multimode optical modules in either of the following ways SM and MM labels on an optical module SM indicates a single mode optical m...

Страница 119: ... after installing the optical module and before connecting the optical fiber keep the dustproof cap in the port of the optical module The CPRI optical cables must be correctly connected in one time during the installation Otherwise the RRU may become faulty causing cells to fail to provide services Procedure Step 1 Lower the pullers of two optical modules insert one optical module into the CPRI0 p...

Страница 120: ...tical fibers for dual fiber bidirectional optical modules remove the dustproof caps from the ports on the optical module and those from the optical fiber connector and connect the end labeled 1A and 1B on the optical fiber to the optical modules on the RRU side as shown in Figure 8 26 Connect the DLC ends labeled 2A and 2B to the CPRI port on the main control board such as the GTMU or baseband pro...

Страница 121: ... cable Prerequisites A female connector pressfit type is added to the RRU power cable on the RRU side For details see 11 1 Adding a Female Connector Pressfit Type to the RRU Power Cable on the RRU Side A connector is added to the RRU power cable on the power device side For details see DBS3900 Installation Guide or DBS5900 Installation Guide Context If a power device provided by the customer is us...

Страница 122: ... DCD U 12 B Before installing RRU power cables ensure that the upper level circuit breaker is disconnected and the power cable has no voltage A drip loop is required for the position between the RRU port and the cable preventing rain from damaging the RRU When installing the RRU power cable connect the power cable to the RRU connector first and then to the power equipment connector Incorrect conne...

Страница 123: ... six RRUs Ensure that the RRU power cable is connected to one of LOAD0 to LOAD5 ports on the DCDU 11B DCDU 12B When the EPU supplies power the maximum number of RRUs that can be connected to the EPU depends on the cabinet type For details about RRU power cable connections see DBS3900 Installation Guide or DBS5900 Installation Guide Step 3 Route the cables according to the instructions in 8 1 Cabli...

Страница 124: ...1 Fasten the cables using clips as shown in Figure 8 29 Ensure that the exposed shield layer of the power cable is properly tightened using the clip Figure 8 29 Fastening cables using clips Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity as shown in Figure 8 30 Ensure that cables and waterproof blocks are properly inserted into troughs ...

Страница 125: ...117 Figure 8 30 Correct placement of waterproof blocks Step 3 Push the handle to close the cover plate of the cabling cavity Then use an M4 Phillips screwdriver to rotate the locking screw on the cover plate of the cabling cavity 90 degrees clockwise shown in the following figure to lock the cover plate of the cabling cavity as shown in Figure 8 31 ...

Страница 126: ...hnologies Co Ltd 118 Do not use the electric screwdriver to rotate the locking screw Otherwise the cross recess may be scratched The RRU cabling cavity must be securely tightened to prevent water Figure 8 31 Closing the cover plate of an RRU cabling cavity 1 Locking screw Step 4 Take off the ESD gloves and pack up all the tools End ...

Страница 127: ... the cover plate for the cabling cavity is securely installed In addition vacant RF ports are covered with dustproof 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 I...

Страница 128: ...stalled check the power on status of an RRU After you unpack an RRU you must power on it within 24 hours If you power off the RRU for maintenance you must restore power to the RRU within 24 hours Figure 10 1 shows the RRU power on check process For details about how to power on an RRU and how to power off an RRU see section Powering On the RRU and section Powering Off the RRU in RRU Maintenance Gu...

Страница 129: ...dential Copyright Huawei Technologies Co Ltd 121 Figure 10 1 RRU power on check process a The normal input voltage of an RRU is 48 V DC The voltage of the external power supply should range from 36 V DC to 57 V DC b The RUN indicator on the RRU is on for 1s and off for 1s The ALM indicator is steady off ...

Страница 130: ... to the RRU Power Cable on the RRU Side This section describes the procedure for adding a female connector Pressfit Type to the RRU power cable on the RRU side 11 1 Adding a Female Connector Pressfit Type to the RRU Power Cable on the RRU Side This section describes the procedure for adding a female connector Pressfit Type to the RRU power cable on the RRU side Context Figure 11 1 shows the cable ...

Страница 131: ...essfit Type to the RRU power cable on the RRU side by strictly following the following operations Otherwise damage to the RRU or personal injury may occur Procedure Step 1 Determine the length of the power cable for different operations based on the labels as shown in Figure 11 2 Figure 11 2 Determining the length of the power cable Step 2 Strip the specified length of the sheath off the power cab...

Страница 132: ...Step 3 Strip a specified length of sheath off each core wire The length must be consistent with the length of the notch in the female connector Pressfit Type as shown in Figure 11 4 Figure 11 4 Stripping the sheath off each core wire Figure 11 5 Matched length Step 4 Add a female connector pressfit type to two core wires 1 Loosen the screws using a Phillips screwdriver as shown in Figure 11 6 ...

Страница 133: ...he screws using a Phillips screwdriver to 1 4 N m 12 39 lbf in as shown in Figure 11 7 Do not reversely connect the positive and negative poles Reverse connection of positive and negative poles may result in equipment malfunctions or personal injury Therefore check the power cable connection before powering on the RRU Colors of wires in RRU power cables vary depending on regions In figures of this...

Страница 134: ...a torque of 30 N m and all copper wires are inserted in the connector terminal socket Step 5 Strip the specified length of the sheath off the power cable to expose the intact shield layer as shown in Figure 11 8 Figure 11 8 Stripping the sheath off the power cable Each core wire is exposed outside the female connector pressfit type for 1 5 mm 0 059 in as shown in Figure 11 9 Figure 11 9 Inserting ...

Страница 135: ...l Copyright Huawei Technologies Co Ltd 127 Exception Handling If the power terminal or cable is damaged or abnormal remove the power cable Step 1 Press the spring clip of the power terminal using a screwdriver and remove the power cable Figure 11 10 Pressing the spring clip of the power terminal End ...

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