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RRU3832&RRU3632
Installation Guide

8 Installing the RU

Issue 05 (2014-06-30)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

68

8.4 Installing the RU on Angle Steel

This section describes the procedure and precautions for installing the RU on angle steel. An
RU can be installed on angle steel secured on the ground or a tower. Each piece of angle steel
allows only one RU to be installed in standard or reverse mode.

Prerequisites

Before you install an RU on angle steel secured on a tower, the RU and its mounting brackets
are hoisted onto the tower. For details, see

7.1 Hoisting an RU onto a Tower

The hoist clamp on the main bracket is secured properly.



Do not stand the RU upright because the RF ports cannot support the weight of the RU.



Place a foam pad or cardboard under the RU to protect the RU housing from damage
during the installation.

Context

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

Figure 8-27

Top view of the RU

(1) Angle steel

Procedure

Step 1

Determine a position for installing the mounting brackets.



If the RU must be installed on angle steel secured on a tower, see

3.5.1 Clearance for a

to determine a position.



If the RU must be installed on angle steel secured on the ground, see

to

determine a position.

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Содержание RU3632

Страница 1: ...RU3832 RU3632 Installation Guide Issue 05 Date 2014 06 30 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...e 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 subject...

Страница 3: ...d to this document for RU3832 Product Name Solution Version Product Version DBS3900 SRAN6 0 and later versions V100R004C00 and later versions RAN13 0 and 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 RU3632 Product Name Solution Version Product Version DBS3900 SRAN8...

Страница 4: ...rials are included and intact 5 Installation Process The installation process involves installing an RU and RU cables checking the RU hardware installation and powering on the RU 6 Optional Installing the Plastic Shells of the RU This section describes the procedure for installing the plastic shells of the RU 7 Hoisting an RU and Related Cables onto a Tower This section describes the procedure for...

Страница 5: ...lly hazardous situation which if not avoided could result in equipment damage data loss performance deterioration or unanticipated results NOTICE is used to address practices not related to personal injury Calls attention to important information best practices and tips NOTE is used to address information not related to personal injury equipment damage and environment deterioration General Convent...

Страница 6: ...Buttons menus parameters tabs windows 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 Operation Format Description Key Press the key For example press Enter and press Tab Key 1 Key 2 Press the keys concurrently For example pressing Ctrl Alt A means the three keys should be pressed con...

Страница 7: ...RRU3832 RRU3632 Installation Guide About This Document Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd vi ...

Страница 8: ...Clearance Requirements of an RU 24 3 5 1 Clearance for a Single RU 24 3 5 2 Clearances for Three or More RUs 28 3 5 3 Installation Spacing Between RUs 32 4 Unpacking the Equipment 35 5 Installation Process 37 6 Optional Installing the Plastic Shells of the RU 38 7 Hoisting an RU and Related Cables onto a Tower 40 7 1 Hoisting an RU onto a Tower 40 7 2 Hoisting Fiber Optic Cables onto a Tower 44 7 ...

Страница 9: ...stalling an RU PGND Cable 95 9 6 Installing an RU RF Jumper 97 9 7 Installing an RU AISG Multi Wire Cable and AISG Extension Cable 100 9 8 Installing an RU Alarm Cable 102 9 9 Opening the Cover Plate of an RU Cabling Cavity 103 9 10 Installing an RU Power Cable 105 9 11 Installing a CPRI Fiber Optic Cable 107 9 12 Closing the Cover Plate of an RU Cabling Cavity 109 10 Checking the RU Hardware Inst...

Страница 10: ...r multiple RUs on the bitumen ground 3 5 2 Clearances for Three or More RUs 9 8 Installing an RU Alarm Cable Added notes under the procedure 3 4 Installation Scenarios Added restrictions on RU 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 o...

Страница 11: ...e procedure for hoisting an RU onto a Tower Compared with issue 02 2013 06 26 this issue does not include any new information 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 RU Power Cable Added the power device DCDU 12B for the RU C...

Страница 12: ... Instruments You must prepare the following tools and instruments before the installation 2 3 Skills and Requirements for Onsite Personnel Onsite personnel must be qualified and trained Before performing any operation onsite personnel must be familiar with correct operation methods and safety precautions 2 1 Reference Documents Before the installation you must be familiar with reference documents ...

Страница 13: ...screwdriver M3 to M6 Rubber mallet COAX crimping tool Wire stripper Utility knife Cable cutter Adjustable wrench size 32 mm 1 26 in Torque wrench Size 16 mm 0 63 in and 32 mm 1 26 in Combination wrench Size 16 mm 0 63 in and 32 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 Fixed pulley Lift...

Страница 14: ...rained 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 personnel depends on the engineering schedule and installation ...

Страница 15: ...ts on the RU panels An RU has a bottom panel cabling cavity panel and indicator panel 3 3 RU Indicators This section describes six indicators on an RU They indicate the running status 3 4 Installation Scenarios An RU can be installed on a pole U steel angle steel wall or IFS06 Installation scenarios must meet heat dissipation and waterproofing requirements of the RU 3 5 Installation Clearance Requ...

Страница 16: ...tary and Confidential Copyright Huawei Technologies Co Ltd 7 Figure 3 1 RU exterior Figure 3 2 shows RU dimensions Figure 3 2 RU dimensions 3 2 RU Ports This section describes ports on the RU panels An RU has a bottom panel cabling cavity panel and indicator panel Figure 3 3 shows the ports on the RU panels ...

Страница 17: ...he RU panels Table 3 1 Ports and indicators on the RU panels Item Silkscreen Remarks 1 Ports in the cabling cavity RTN Power supply socket NEG CPRI0 Optical electrical 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 monitori...

Страница 18: ... CPRI0 is connected to the BBU and the CPRI1 is reserved Table 3 2 describes how to use RF ports for RU3832 Table 3 2 Usage of RF ports for RU3832 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 R...

Страница 19: ...X 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 RU3632 Table 3 3 Usage of RF ports for RU3632 Product Version TX RX Channe l Number of Used RF Ports Usage Remarks DBS3900 LTE V100R006C00 and later versions 1 x 2T2R 2 ANT_TX RXA and ANT_TX RXB ar...

Страница 20: ...0 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 11 Figure 3 4 Recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R013C00 Figure 3 5 shows the recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R014C00 and later versions ...

Страница 21: ...rietary and Confidential Copyright Huawei Technologies Co Ltd 12 Figure 3 5 Recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R014C00 and later versions Figure 3 6 shows the recommended usage of the RF ports on RU3832 and RU3632 used for DBS3900 LTE V100R006C00 and later versions ...

Страница 22: ...bes RU indicators Table 3 4 RU indicators Indicator Color Status Meaning RUN Green Steady on There is power supply but the module is faulty Steady off There is no power supply or the module is faulty Blinking on for 1s and off for 1s The board is functioning properly Blinking on for 0 125s and off for 0 125s Software is being loaded to the module or the module is not started ALM Red Steady on Alar...

Страница 23: ...g 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 optical module is powered off CPRI...

Страница 24: ...arios If the RU is improperly installed heat dissipation of the RU deteriorates and the RU may not work properly as shown in Figure 3 7 Figure 3 7 Improperly installed RUs Method of installation To ensure the heat dissipation of the RU and waterproofing of the ports at the bottom of the RU the vertical deviation angle of an RU must be less than or equal to 10 degrees as shown in Figure 3 8 On a to...

Страница 25: ...talling an RU Figure 3 9 Diameter of a pole The diameter of a pole for installing an RU ranges from 60 mm 2 36 in to 114 mm 4 49 in The recommended diameter is 80 mm 3 15 in When the diameter of a pole ranges from 60 mm 2 36 in to 76 mm 2 99 in a maximum of three RUs can be installed on the pole and the side mounted installation is recommended Only a pole whose diameter ranges from 76 mm 2 99 in t...

Страница 26: ...30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 17 Figure 3 10 A single RU installed on a pole Figure 3 11 shows two RUs installed on a pole Figure 3 11 Two RUs installed on a pole Figure 3 12 Figure 3 13 and Figure 3 14 show three or more RUs installed on a pole ...

Страница 27: ...tion Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 18 Figure 3 12 Three RUs installed on a pole Figure 3 13 Four RUs installed on a pole ...

Страница 28: ... Confidential Copyright Huawei Technologies Co Ltd 19 Figure 3 14 Six RUs installed on a pole Installing an RU on U steel Figure 3 15 shows U steel specifications Figure 3 15 U steel specifications U steel supports the standard or reverse installation of a single RU only Figure 3 16 shows an RU installed on U steel ...

Страница 29: ...ntial Copyright Huawei Technologies Co Ltd 20 Figure 3 16 RU installed on U steel Installing an RU on Angle Steel Figure 3 17 shows angle steel specifications Figure 3 17 Angle steel specifications Angle steel supports the standard or reverse installation of a single RU only Figure 3 18 shows an RU installed on angle steel ...

Страница 30: ... the RU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall Expansion anchor bolts must be tightened to 30 N m 265 52 lbf in so that the bolts stay secured without damaging the wall It is recommended that the RU be installed on a wall in standard mode When RUs are installed on a wall in side mounted mode do not combine mounting brackets for multiple RUs as shown in Figu...

Страница 31: ...gher than or equal to the lowest operating temperature of the RU and at least 5 C 41 F lower than the highest operating temperature of the RU The IFS06 supports a maximum of six RUs when the ambient temperature is higher than or equal to the lowest operating temperature of the RU and at least 10 C 50 F lower than the highest operating temperature of the RU For details about the operating temperatu...

Страница 32: ...tary and Confidential Copyright Huawei Technologies Co Ltd 23 Figure 3 21 Correct installation of mounting brackets for RUs installed on an IFS06 Figure 3 22 and Figure 3 23 show RUs installed on an IFS06 Figure 3 22 Three RUs installed on an IFS06 1 Height restricted scenario 2 Height unrestricted scenario ...

Страница 33: ...ed on an IFS06 1 Height restricted scenario 2 Height unrestricted scenario 3 5 Installation Clearance Requirements of an RU This section describes the requirements for the installation clearance of a single RU and multiple RUs and the requirements for the installation spacing between RUs 3 5 1 Clearance for a Single RU This section describes the recommended and minimum clearance for a single RU ...

Страница 34: ...ecommended clearance ensures normal running and provides an appropriate space for operation and maintenance OM If there is sufficient space leave the recommended clearance after installing the equipment The minimum clearance ensures normal running and heat dissipation but OM activities such as checking indicator status and opening the cabling cavity cannot be properly conducted If the installation...

Страница 35: ...sue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 26 Figure 3 24 Clearance for a single RU in standard or reverse mode Clearance for a Single RU in Side Mounted Mode Figure 3 25 shows the clearance for a single RU in side mounted mode ...

Страница 36: ...ietary and Confidential Copyright Huawei Technologies Co Ltd 27 Figure 3 25 Clearance for a single RU in side mounted mode Clearance for a Single Tower mounted RU Figure 3 26 and Figure 3 27 show the clearance for a single tower mounted RU in standard or reverse mode and in side mounted mode respectively ...

Страница 37: ...opyright Huawei Technologies Co Ltd 28 Figure 3 26 Minimum clearance for a single tower mounted RU in standard or reverse mode Figure 3 27 Minimum clearance for a single tower mounted RU in side mounted mode 3 5 2 Clearances for Three or More RUs This section describes the recommended and minimum clearances for three or more RUs ...

Страница 38: ...nance OM If there is sufficient space retain the recommended clearances The minimum clearances ensure normal running and heat dissipation but do not allow OM activities 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 RUs Installed on a Pole Figure...

Страница 39: ... Co Ltd 30 Figure 3 29 Minimum clearances for three or more RUs installed on a pole Recommended Clearances for Three or More RUs Installed on a Wall in Standard Mode Figure 3 30 shows the recommended clearances for multiple RUs installed on a wall in standard mode Figure 3 30 Recommended clearances for three or more RUs installed on a wall in standard mode ...

Страница 40: ...RUs Installed on a Wall in Standard Mode Figure 3 31 shows the minimum clearances for three or more RUs installed on a wall in standard mode Figure 3 31 Minimum clearances for three or more RUs installed on a wall in standard mode Recommended Clearances for Three or More RUs Installed on a Wall in Side Mounted Mode Figure 3 32 shows the recommended clearances for three or more RUs side mounted on ...

Страница 41: ...re RUs installed on a wall in side mounted mode 3 5 3 Installation Spacing Between RUs This section describes the horizontal and vertical spacing between RUs Recommended Horizontal Spacing Between RUs Figure 3 33 shows the recommended horizontal spacing between RUs Figure 3 33 Recommended horizontal spacing between RUs Minimum Horizontal Spacing Between RUs Figure 3 34 shows the minimum horizontal...

Страница 42: ...ht Huawei Technologies Co Ltd 33 Figure 3 34 Minimum horizontal spacing between RUs Recommended Vertical Spacing Between RUs Figure 3 35 shows the recommended vertical spacing between RUs Figure 3 35 Recommended vertical spacing between RUs Minimum Vertical Spacing Between RUs Figure 3 36 shows the minimum vertical spacing between RUs ...

Страница 43: ... RRU3632 Installation Guide 3 Information About the Installation Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 34 Figure 3 36 Minimum vertical spacing between RUs ...

Страница 44: ...quipment components or parts with bare hands sweat soaked gloves or dirty gloves After a cabinet or an BBU is unpacked it must be powered on within 7 days After an RU 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 doe...

Страница 45: ...r 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 rusted or eroded equipment and then file the photos Verify that the insulatio...

Страница 46: ...ry and Confidential Copyright Huawei Technologies Co Ltd 37 5 Installation Process The installation process involves installing an RU and RU cables checking the RU hardware installation and powering on the RU Figure 5 1 shows the process of installing an RU Figure 5 1 Process of installing an RU ...

Страница 47: ...nstalling the Plastic Shells of the RU This section describes the procedure for installing the plastic shells of the RU Context An RU is equipped with a plastic shell only when necessary Procedure Step 1 Use an M6 Phillips screwdriver to loosen the two screws on the metal sheet of the RU and remove the metal sheet as shown in Figure 6 1 Figure 6 1 Removing the metal sheet 1 Screw 2 Metal sheet ...

Страница 48: ...e at the bottom of the RU and use an M4 torque wrench to tighten the screws on the buckles to 1 4 N m 12 39 lbf in as shown in Figure 6 2 Figure 6 2 Installing buckles at the bottom 1 Buckle 2 Screw Step 3 Use four hex screws to secure the plastic shells onto the RU 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 s...

Страница 49: ...r 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 7 1 Hoisting an RU onto a Tower This section describes the procedu...

Страница 50: ...ed pulley to the tower platform support and leads the lifting sling through the fixed pulley Step 2 Technician C binds the mounting kits using the lifting sling and traction sling on the ground as shown in Figure 7 1 Then technician B pulls the lifting sling downwards and technician C pulls the traction sling outwards to protect the mounting kits from colliding with the tower Figure 7 1 Binding mo...

Страница 51: ...RU and Related Cables onto a Tower Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 42 Figure 7 2 Binding the RU 1 Handle 2 Lifting sling 3 Traction eye 4 Traction sling Figure 7 3 Incorrect binding method 1 ...

Страница 52: ...i Technologies Co Ltd 43 Figure 7 4 Incorrect binding method 2 Step 6 Hoist the RU onto the tower as shown in Figure 7 5 Technician B pulls the lifting sling downwards and technician C pulls the traction sling outwards to protect the RU from colliding with the tower Figure 7 5 Hoisting the RU onto the tower 1 Lifting sling 2 Fixed pulley 3 Traction sling ...

Страница 53: ...wer Step 8 Technician A installs the RU 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 8 2 1 Installing a Single RU Step 9 Untie the lifting sling and traction sling The procedure for hoisting the RU and its mounting kits onto th...

Страница 54: ...based 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 fiber optic cables on the fiber spools and installation engineer D lead the lifting sling...

Страница 55: ...ot remove the stretch sling and protection pipe or bind fiber optic cables using one sling as shown in Figure 7 8 Figure 7 8 Incorrect binding method 3 Installation engineer B rotates the fiber spools at the speed of 5 m 16 4 ft to 15 m 49 21 ft per minute to coil the fiber optic cables 4 Installation engineer C pulls the lifting sling downwards and installation engineer D pulls the traction sling...

Страница 56: ... optic cables onto the tower is for your reference only End 7 3 Hoisting Power Cables onto a Tower This section describes the procedure for hoisting power cables onto a tower and the precautions that must be taken Context Cabling requirements for power cables are met For details see 9 1 Cabling Requirements The procedure for adding a connector to the RU power cable on the RU side is done under the...

Страница 57: ...ee cable ties to the power cable connector and then secures the power cable to the lifting sling as shown in Figure 7 10 The connector on the power cable in the figure is only an example 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 Wrap th...

Страница 58: ... 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 f...

Страница 59: ... An RU can be installed on U steel secured on the ground or a tower Each piece of U steel allows only one RU to be installed in standard or reverse mode 8 4 Installing the RU on Angle Steel This section describes the procedure and precautions for installing the RU on angle steel An RU can be installed on angle steel secured on the ground or a tower Each piece of angle steel allows only one RU to b...

Страница 60: ...gure 8 1 Front and side view of an RU 1 Front view 2 Side view Figure 8 2 shows the bracket assembly for an RU Figure 8 2 12 Lblade RU 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 ...

Страница 61: ...ting an RU onto a Tower The hoist clamp on the main bracket is secured properly Do not stand the RU upright because the RF ports cannot support the weight of the RU Place a foam pad or cardboard under the RU to protect the RU housing from damage during the installation Procedure Step 1 Determine a position for installing the mounting brackets If the pole must be installed on a tower determine a po...

Страница 62: ...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 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...

Страница 63: ...ting brackets Step 4 Install the RU onto the main bracket as shown in Figure 8 6 Figure 8 6 Installing the RU onto the main bracket Step 5 Use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 8 7 ...

Страница 64: ...escribes the procedure and precautions for installing two RUs on a pole Prerequisites The hoist clamp on the main bracket is secured properly Do not stand the RU upright because the RF ports cannot support the weight of the RU Place a foam pad or cardboard under the RU to protect the RU housing from damage during the installation Procedure Step 1 Install the first RU onto the main bracket as shown...

Страница 65: ...ain bracket Step 2 Use an M6 inner hexagon screwdriver to remove the four inner hexagon screws from the second set of mounting brackets and remove the main bracket from the auxiliary bracket as shown in Figure 8 9 Figure 8 9 Removing the RU 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 ...

Страница 66: ...ologies Co Ltd 57 The second main bracket must be installed with the opening ends of U shaped slots on both sides facing downwards Figure 8 10 Installing the second main bracket 1 Removed main bracket Step 4 Install the second RU onto the main bracket as shown in Figure 8 11 Figure 8 11 Installing the second RU onto the main bracket ...

Страница 67: ... 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 Figure 8 12 Securing the captive screw into the connection hole Step 5 Install the metal sheet for neighboring RUs as shown in Figure 8 13 Figure 8 13 Installing the metal sheet 1 Screw 2 Metal sheet 1 Use an M6 Phillips screwdriver to loosen the scr...

Страница 68: ...to 5 N m 44 25 lbf in End 8 2 3 Installing Three or More RUs The section describes the procedure and precautions for installing three or more RUs on a pole Prerequisites The hoist clamp on the main bracket is secured properly Do not stand the RU upright because the RF ports cannot support the weight of the RU Place a foam pad or cardboard under the RU to protect the RU housing from damage during t...

Страница 69: ...f mounting brackets and remove the main bracket from the auxiliary bracket as shown in Figure 8 15 Figure 8 15 Removing the RU main bracket 1 Main bracket 2 Pole installation bracket Step 3 Install the third main bracket and install the third RU onto the third main bracket Then use an inner hexagon torque screwdriver to tighten the captive screw into the connection holes on the top of the attachme...

Страница 70: ...the opening ends of U shaped slots on both sides facing downwards Figure 8 16 Installing the third RU onto the third main bracket Step 4 Install the metal sheet for neighboring RUs as shown in Figure 8 17 Figure 8 17 Installing the metal sheet 1 Screw 2 Metal sheet 1 Use an M6 Phillips screwdriver to loosen the screw on the metal sheet farther from the handle of the first RU and remove the screw ...

Страница 71: ...n M6 torque screwdriver to tighten the screw to 5 N m 44 25 lbf in Step 5 Install the second set of RU mounting brackets above or below the first set of RU mounting brackets and maintain a space equal to or greater than 80 mm 3 15 in between the two sets of brackets as shown in Figure 8 18 Figure 8 18 Installing the second set of RU mounting brackets Step 6 Install the fourth RU onto the fourth ma...

Страница 72: ...ction describes the procedure and precautions for installing the RU on U steel An RU can be installed on U steel secured on the ground or a tower Each piece of U steel allows only one RU to be installed in standard or reverse mode Prerequisites Before you install an RU on U steel secured on a tower the RU and its mounting brackets are hoisted onto the tower For details see 7 1 Hoisting an RU onto ...

Страница 73: ...stallation Context Figure 8 20 shows the top view of the RU 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 8 20 Top view of the RU 1 U steel Procedure Step 1 Determine a position for installing the mounting brackets If the RU must be installed on U steel secured on a tower see 3 5 1 Clearance for a Sin...

Страница 74: ...all the RU mounting brackets as shown in Figure 8 22 Figure 8 22 Installing the RU mounting brackets Verify that the arrows on the mounting brackets are pointing up 1 Adjust the position of the nut and remove one end of the square neck bolt from the slot on the auxiliary bracket 2 Slide the mounting brackets onto the U steel horizontally and insert the square neck bolt into the slot Step 3 Use a 1...

Страница 75: ...the brackets on both sides and ensure that the spacing is the same on the two sides Figure 8 23 Securing the RU mounting brackets Step 4 Use an inner hexagon screwdriver to remove the attachment plate from one side of the RU reinstall the attachment plate onto the rear of the RU 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 attachmen...

Страница 76: ...8 25 Installing the RU onto the main bracket Step 6 Use an inner hexagon screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 8 26 Figure 8 26 Securing the captive screw into the connection hole End ...

Страница 77: ...s are hoisted onto the tower For details see 7 1 Hoisting an RU onto a Tower The hoist clamp on the main bracket is secured properly Do not stand the RU upright because the RF ports cannot support the weight of the RU Place a foam pad or cardboard under the RU to protect the RU housing from damage during the installation Context Figure 8 27 shows the top view of the RU installed on angle steel Fig...

Страница 78: ...the RU mounting brackets as shown in Figure 8 29 Figure 8 29 Installing the RU mounting brackets Verify that the arrows on the mounting brackets are pointing up 1 Adjust the position of the nut and remove one end of the square neck bolt from the slot on the auxiliary bracket 2 Slide the mounting brackets onto the angle steel horizontally and insert the square neck bolt into the slot Step 3 Use a 1...

Страница 79: ...the brackets on both sides and ensure that the spacing is the same on the two sides Figure 8 30 Securing the RU mounting brackets Step 4 Use an inner hexagon screwdriver to remove the attachment plate from one side of the RU reinstall the attachment plate onto the rear of the RU 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 attachmen...

Страница 80: ... inner hexagon screwdriver to tighten the captive screw into the holes on the top of the attachment plate and main bracket to 5 N m 44 25 lbf in so that the attachment plate and main bracket are firmly secured as shown in Figure 8 33 Figure 8 33 Securing the captive screw into the connection hole End 8 5 Installing the RU on a Wall This section describes the procedure and precautions for installin...

Страница 81: ...n Context The wall on which RUs are installed must meet the following requirements For each RU the wall must be able to bear a weight four times the RU s weight and the bolts pulling force of 1 25 kN 281 25 lbf vertical to the wall 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 RU mounting b...

Страница 82: ...ng washers flat washers square neck bolts and pole installation bracket from the auxiliary bracket Step 2 Place the pole installation bracket against the installation position use a level to verify that the pole installation bracket is placed horizontally and then mark anchor points with a marker as shown in Figure 8 35 Figure 8 35 Marking anchor points 1 Level 2 Pole installation bracket 3 RU It ...

Страница 83: ...les 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 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 After dismantling an expansion anchor bolt ensure that the top of the expansion tube is on the same le...

Страница 84: ...n the expansion anchor bolts Verify that the arrows on the pole installation bracket are pointing up Step 5 Install the main bracket onto the pole installation 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 ...

Страница 85: ...ear of the RU and tighten the 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 RU Step 7 Install the RU onto the main bracket as shown in Figure 8 40 Figure 8 40 Installing the RU onto the main bracket Step 8 Use an inner hexagon screwdriver to tighten the captive screw into the holes on the top of the attachment p...

Страница 86: ...U Place a foam pad or cardboard under the RU to protect the RU housing from damage during the installation Context The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of RUs RUs can be installed on an IFS06 only when the ambient temperature is higher than or equal to the lowest working temperature of the RU and at least 5 C 41 F lower than the highest worki...

Страница 87: ... compressed or broken whereas do not need to be replaced Procedure Step 1 Disassemble the RU 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 ...

Страница 88: ...ion bracket are pointing up Height restricted scenarios Use one finger to push and remove the rubber plugs on the beam and then install the pole installation bracket as shown in Figure 8 43 Figure 8 43 Installing the pole installation bracket in height restricted scenarios 1 Spring washer 2 Rubber washer Height unrestricted scenarios Install the pole installation bracket as shown in Figure 8 44 ...

Страница 89: ...ket in height unrestricted scenarios 1 Spring washer 2 Rubber washer Step 3 Attach the main bracket to the pole installation bracket and use an inner hexagon screwdriver to tighten four M6x16 screws to 5 N m 44 25 lbf in so that the main bracket and pole installation bracket are firmly secured as shown in Figure 8 45 Figure 8 45 Installing the main bracket 1 Main bracket 2 Pole installation bracke...

Страница 90: ...n 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 8 46 Figure 8 46 Installing the RU onto the main bracket Step 5 Install the RUs on the lower level from left to right as shown in Figure 8 47 ...

Страница 91: ...s Co Ltd 82 Figure 8 47 Installing RUs on the lower level Step 6 Optional When the ambient temperature is equal to or higher than the lowest operating temperature of the RU and at least 10 C 10 F lower than the highest operating temperature of the RU repeat the preceding steps to install the RUs on the higher level as shown in Figure 8 48 ...

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

Страница 93: ...Cable List This section describes RU cable connections 9 5 Installing an RU PGND Cable This section describes the procedure for installing an RU PGND cable 9 6 Installing an RU RF Jumper This section describes the procedure for installing an RU RF jumper 9 7 Installing an RU AISG Multi Wire Cable and AISG Extension Cable This section describes the procedures for installing an RU AISG multi wire ca...

Страница 94: ...s of the power cable or PGND cable must be at least three times the diameter of the cable The bending radius of a fiber optic cable is at least 20 times the diameter of the fiber optic cable and the minimum bending radius of the breakout cable at each end of the fiber optic cable is 30 mm 1 18 in The bending radius of the E1 T1 cable must be at least three times the diameter of the cable The bendi...

Страница 95: ...net base for about 30 mm 1 18 in to 50 mm 1 97 in not into the cabinet Block the pipe with waterproof tape or silicon gel and secure the pipe to the cable hole at the cabinet bottom with metal piece If cables at the cabinet bottom need to be routed through a pipe along the metal cable trough do not lead the pipe into the cabinet base The cable trough must be sealed and routed through the cable hol...

Страница 96: ...ation Guide 9 Installing RU Cables Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 87 Figure 9 1 Securing cables on the cable tray Secure cables on the tower as shown in Figure 9 2 ...

Страница 97: ...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 must be routed by only qualified and trained personnel before all preparations are made Cables are routed in an untangled and orderly fashion If DC power cables need to be routed on the tower platform lay...

Страница 98: ...s 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 Cabling Requirements for E1 Cables 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 R...

Страница 99: ... or a piece of equipment use binding straps to bind it and then use cable ties to secure the binding straps to the cabinet or equipment Ensure that the fiber optic cables can flexibly move in the cable ties Do not bend the fiber optic cables sharply The following figure shows how to bind the fiber optic cables correctly Figure 9 4 Binding fiber optic cables When coiling fiber optic cables apply ev...

Страница 100: ... along the guardrail If fiber optic cables need to be routed close to a device on the tower secure the cables to the guardrail or pole with cable clips The device cannot be far away from the position for securing the cables 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 conne...

Страница 101: ... and Confidential Copyright Huawei Technologies Co Ltd 92 Figure 9 8 Cable connections for a single RU 1 PGND cable 2 RU RF jumper 3 RU AISG multi wire cable 4 RU AISG extension cable 5 RU power cable 6 CPRI fiber optic cable 7 RU alarm cable Figure 9 9 shows the cable connections for multiple RUs ...

Страница 102: ...nfidential Copyright Huawei Technologies Co Ltd 93 Figure 9 9 Cable connections for multiple RUs 1 PGND cable 2 RU RF jumper 3 RU power cable 4 CPRI fiber optic cable 9 3 Installation Process This section describes the process of installing RU cables Figure 9 10 shows the process of installing RU cables ...

Страница 103: ... RU cables Cable One End The Other End Connector Installation Position Connector Installation Position RU PGND Cable OT terminal M6 16 mm2 or 0 025 in 2 Ground terminal on the RU OT terminal M8 16 mm2 or 0 025 in 2 Ground terminal on the ground bar RU Power Cable Tool less female connector pressfit type NEG and RTN ports on the RU Depending on the power supply equipment External power equipment RU...

Страница 104: ...board in the BBU RU RF Jumper DIN male connector ANT_TX RX A ANT_TX RX B ANT_RXC or ANT_RXD port on the RU DIN male connector Antenna system RU AISG Multi Wire Cable DB9 waterproof male connector RET port on the RU Standard AISG female connector Standard AISG male connector on the RCU or on the AISG extension cable RU AISG Extension Cable Standard AISG male connector Standard AISG female connector...

Страница 105: ...the instructions in Assembling the OT Terminal and the Power Cable Step 2 Install the RU PGND cable Connect the M6 OT terminal at one end of the PGND cable to the ground terminal at the RU 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 RU PGND cable Crimp OT terminals in correct positions as shown in Figure 9 12 Figure 9 ...

Страница 106: ...t on the RU and use a torque wrench to tighten the connector to 25 N m 221 27 lbf in as shown in Figure 9 13 Figure 9 13 Installing an RU RF jumper On AC powered electric railways such as high speed railways when leaky cables are connected to RUs installed in tunnels high voltage resistance DC blocks must be installed between RU RF jumpers and the leaky cables to protect the RUs against damage Ste...

Страница 107: ... 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 connector tightly 2 Wrap three lay...

Страница 108: ...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 layers of PVC insulation tape Wrap each connector wi...

Страница 109: ...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 RU bottom as shown in Figure 9 16 Figure 9 16 Installing an RU 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 lb...

Страница 110: ...ttom 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 RU 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 AISG extension cable to the standard AISG male connector on the RCU as shown in...

Страница 111: ... Connect the waterproof DB15 connector at one end of the RU alarm cable to the EXT_ALM port on the RU as shown in Figure 9 19 Figure 9 19 Installing an RU alarm cable Install the waterproof DB15 male connector on the RU alarm cable with caution preventing the pin assignment from being damaged Step 3 Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof DB15 male conne...

Страница 112: ...el the installed cables according to the instructions in Attaching an L Shaped Label End 9 9 Opening the Cover Plate of an RU Cabling Cavity This section describes the procedure for opening the cover plate of an RU cabling cavity Procedure Step 1 Wear ESD gloves Take proper ESD protection measures for example wear ESD gloves to prevent electrostatic damage to the boards modules or electronic compo...

Страница 113: ... 21 Opening the cover plate of the RU 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 screwdriver and open the clip as shown Figure 9 22 Open the clip only for the associated cable Figure 9 22 Opening clips ...

Страница 114: ... 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 RU 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 North American standards and 4 mm2 0 006 in 2 and 6 mm2 0 009 in 2 complying w...

Страница 115: ...able Ensure that the exposed shield layer of the power cable is properly tightened using the clip Step 2 Connect the connector at the other end of the RU power cable to the corresponding position on the power device A DCDU 11B DCDU 12B can supply power to a maximum of six RUs Ensure that the RU power cable is connected to one of LOAD0 to LOAD5 ports on the DCDU 11B DCDU 12B One EPU can supply powe...

Страница 116: ...optical module and black or gray indicates a multi mode optical module The optical modules to be installed must match CPRI rates Context For RU3632 A CPRI fiber optic cable transmits CPRI signals between a BBU and an RU For RU3832 the CPRI fiber optic cable transmits CPRI signals between a BBU and an RU or between RUs When the fiber optic cable is used for connecting RUs the end labeled 1A and 1B ...

Страница 117: ... 9 24 Installing an optical module The performance of an optical module that is exposed to the air for more than 20 minutes may be abnormal Therefore you must insert an fiber optic cable into an unpacked optical module within 20 minutes Step 2 Connect the end labeled 1A and 1B of the fiber optic cable to the optical module on the RU side as shown in Figure 9 25 ...

Страница 118: ...details about the installation process see 9 3 Installation Process Step 3 Connect the end labeled 2A and 2B of the fiber optic cable to the optical module on the BBU side Step 4 Route the cables according to the instructions in 9 1 Cabling Requirements and then use cable ties to bind the cables Step 5 Label the installed cables according to the instructions in Attaching an L Shaped Label End 9 12...

Страница 119: ...s Use an M4 torque screwdriver to tighten the screws on each clip to 1 4 N m 12 39 lbf in as shown in Figure 9 26 Ensure that the exposed shield layer of the 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 Ensure that cables and waterproof blocks are properly inserted ...

Страница 120: ...ent of waterproof blocks Step 3 Close the cover plate of the RU cabling cavity Use an M5 torque screwdriver to partially tighten the screws on the cover plate 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 RU cabling cavity Step 4 Take off the ESD gloves and pack up all the tools End ...

Страница 121: ...n vacant cable troughs of the RU cabling cavity and 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 cab...

Страница 122: ... installed check the power on status of an RU After you unpack an RU you must power on it within 24 hours If you power off the RU for maintenance you must restore power to the RU within 24 hours Figure 11 1 shows the RU power on check process For details about how to power on an RU see Powering On an RU For details about how to power off an RU see section Powering Off the RU in RU Maintenance Guid...

Страница 123: ...fidential Copyright Huawei Technologies Co Ltd 114 Figure 11 1 RU power on check process a The normal input voltage of an RU 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 RU is on for 1s and off for 1s The ALM indicator is steady off ...

Страница 124: ...g a Tool Less Female Connector Pressfit Type to the RU Power Cable on the RU Side This section describes the procedure for adding a tool less female connector pressfit type to the RU power cable on the RU side 12 1 Adding a Tool Less Female Connector Pressfit Type to the RU Power Cable on the RU Side This section describes the procedure for adding a tool less female connector pressfit type to the ...

Страница 125: ...le for different operations based on the labels as shown in Figure 12 2 Figure 12 2 Determining the length of the power cable Step 2 Strip the specified length of the sheath off the power cable as shown in Figure 12 3 Figure 12 3 Stripping the specified length of sheath 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 to...

Страница 126: ...ctor pressfit type to two core wires 1 Tighten the screws using a Phillips screwdriver as shown in Figure 12 6 Figure 12 6 Tightening screws 2 Connect the blue core wire labeled NEG to the port and the black brown core wire labeled RTN to the port on the tool less female connector pressfit type and then tighten the screws using a Phillips screwdriver and then use a torque screwdriver to tighten th...

Страница 127: ... a tool less female connector pressfit type to two core wires Step 5 Strip the specified length of the sheath off the power cable to expose the intact shield layer as shown in Figure 12 8 Figure 12 8 Stripping the sheath off the power cable Each core wire is exposed outside the tool less female connector pressfit type for 1 5 mm 0 059 in as shown in Figure 12 9 ...

Страница 128: ...2 Installation Guide 12 Appendix Issue 05 2014 06 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 119 Figure 12 9 Inserting core wires into the tool less female connector pressfit type End ...

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