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Samsung RRH-2WB Installation Manual

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2600-00ETB9GAA
Ver.
2.0
Mobile WiMAX/TD-LTE RRH-2WB
Installation Manual

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  • Page 1 2600-00ETB9GAA Ver. Mobile WiMAX/TD-LTE RRH-2WB Installation Manual...
  • Page 2 This manual is proprietary to SAMSUNG Electronics Co., Ltd. and is protected by copyright. No information contained herein may be copied, translated, transcribed or duplicated for any commercial purposes or disclosed to the third party in any form without the prior written consent of SAMSUNG Electronics Co., Ltd.
  • Page 3: Introduction

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual INTRODUCTION Purpose This manual describes how to install the RRH-2WB of TD-LTE Flexible system (SLS- BD104) which is a multi-mode BS of Mobile WiMAX/TD-LTE, and how to connect cables. Document Content and Organization This document consists of 3 Chapters, 6 Annex and Abbreviation, which are summarized as follows: CHAPTER 1.
  • Page 4 Provides information or instructions that the reader should follow in order to avoid a service failure or damage to the system. CHECKPOINT Provides the operator with checkpoints for stable system operation. NOTE Indicates additional information as a reference. © SAMSUNG Electronics Co., Ltd.
  • Page 5: Revision History

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Revision History VERSION DATE OF ISSUE REMARKS 06. 2012. - ‘Humidity condition’ was changed. (1.2) - ‘Table 3.5’~‘Table 3.7’ were changed. - ‘Cable Connection of RET’ (3.5.2) was added. - DU configuration was changed. (Figure 3.2, Table 3.7) 04.
  • Page 6 INTRODUCTION This page is intentionally left blank. © SAMSUNG Electronics Co., Ltd.
  • Page 7: Safety Concerns

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual SAFETY CONCERNS The purpose of the Safety Concerns section is to ensure the safety of users and prevent property damage. Please read this document carefully for proper use. Symbols Caution Indication of a general caution...
  • Page 8: Warning

    The exposure of the laser beam on worker’s eye may cause serious injury so that it should be handled with care. Protection gloves and goggles Make sure that worker wears protection gloves and goggles to prevent damages from debris while drilling holes in a wall or ceiling. © SAMSUNG Electronics Co., Ltd.
  • Page 9: Caution

    3 V, and the RRH-2WB could be damaged by the counter electromotive force caused by the cable inductance. - The battery’s life could be shorten: The RRH-2WB could be off in spite the battery remains. (When the battery capacity is designed within one hour) - Do not use the power cables linked: Using the power cables linked each other, the loss will be increased.
  • Page 10 If the cable is soiled with foreign substances, do not blow on the cable to remove them. Make sure to remove the dust or foreign substances in accordance with the cleaning instructions provided by the connector manufacturer. VIII © SAMSUNG Electronics Co., Ltd.
  • Page 11: California Usa Only

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Finishing Heat Shrink Tube of a Sector Antenna 1) Insert an antenna protection plate to antenna port. 2) Place the heat shrink tube on the connection point and shrink the heat shrink tube using a heat gun. Avoid aiming the heating gun toward the antenna’s body.
  • Page 12 SAFETY CONCERNS This page is intentionally left blank. © SAMSUNG Electronics Co., Ltd.
  • Page 13: Table Of Contents

    Unpacking and Transporting ....................2-4 2.3.1 Importing Items ........................2-4 2.3.2 Unpacking Items ........................2-4 Fixing the System ........................2-5 2.4.1 Fixing the Wall Type RRH-2WB ................... 2-5 2.4.2 Fixing the Pole Type RRH-2WB ................... 2-8 © SAMSUNG Electronics Co., Ltd.
  • Page 14 Power Construction ......................3-10 3.4.1 Installing the Power Cable ....................3-10 External Interface Construction ..................3-14 3.5.1 Cable Connection between the DU and the RRH-2WB ............ 3-14 3.5.2 Cable Connection of RET ....................3-20 3.5.3 Connection of Feeder Cable ....................3-22 Installation Test ........................
  • Page 15 L ~ V ................................ I LIST OF FIGURES Figure 1.1 RRH-2WB Configuration ..................1-1 Figure 1.2 RRH-2WB Configuration When the Solar Shield is Assembled ......1-2 Figure 1.3 RRH-2WB External Interface ................1-3 Figure 2.1 Procedure to Install the RRH-2WB ................ 2-1 Figure 2.2 RRH-2WB Installation Space.................
  • Page 16 Figure 3.6 Installing the RRH-2WB Power Cable (2) ............3-12 Figure 3.7 Power Cable Connector ..................3-13 Figure 3.8 Cable connection between the DU and the RRH-2WB (Optical connection) ..3-15 Figure 3.9 Optic Cable Connector between DU and RRH-2WB_RRH-2WB side ....3-16 Figure 3.10 Cable Connection of RET ..................
  • Page 17 Table 2.2 Anchor Bolt Drill Bits and Hole Depth ..............2-3 Table 3.1 Recommended Minimum Allowed Cable Bend Radius ........... 3-3 Table 3.2 RRH-2WB Connecting Cable .................. 3-6 Table 3.3 Amphenol CJE-AL06M25U15-2S Power Connector Pin Map ....... 3-13 Table 3.4 Cable Spec for Mobile WiMAX Only Operation Mode ........... 3-17...
  • Page 18 TABLE OF CONTENTS Table 3.5 Optic Connector Pin Map between RRH-2WB and DU for Mobile WiMAX Only Operation Mode ............3-17 Table 3.6 Cable Spec for WIMAX + TD-LTE Dual Mode ............3-18 Table 3.7 Optic Connector Pin Map between RRH-2WB and DU for WIMAX + TD-LTE Dual Mode ..............
  • Page 19: Chapter 1. Before Installation

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual CHAPTER 1. Before Installation 1.1 System Configuration and Structure RRH-2WB Configuration The configuration of RRH-2WB is as follows: Unit: mm (in.) [Top View] 370 (14.57) 354 (13.94) [Left View] [Right View] [Front View] [Bottom View] Figure 1.1 RRH-2WB Configuration...
  • Page 20: Figure 1.2 Rrh-2wb Configuration When The Solar Shield Is Assembled

    CHAPTER 1. Before Installation When the solar shield is assembled, the RRH-2WB should be configured as follows: Unit: mm (in.) [Top View] 386.5 (15.22) [Left View] [Front View] [Right View] [Bottom View] Figure 1.2 RRH-2WB Configuration When the Solar Shield is Assembled...
  • Page 21: Figure 1.3 Rrh-2wb External Interface

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 RRH-2WB External Interface The external interface of RRH-2WB is as follows: Debug -48 V IN Optic Frame Ground ATN_0 ATN_2 ATN_1 ATN_3 [Bottom View] Figure 1.3 RRH-2WB External Interface © SAMSUNG Electronics Co., Ltd.
  • Page 22: Specifications

    System Input Voltage If the operator wants AC power for the system input voltage, it can be supplied using an additional external rectifier. Unit Size and Weight The table below lists the size and weight of the RRH-2WB. Category Standard Size 354 (W) ×...
  • Page 23 The standards of temperature/humidity conditions are based on the value on the position where is 400 mm (1.3 ft) away from the front of the DU and in the height of 1.5 m (5 ft) on the bottom. RF Specification The table below lists the RF characteristics of the RRH-2WB. Category Description...
  • Page 24: Cautions For Installation

    CHAPTER 1. Before Installation 1.3 Cautions for Installation Observe the following safety instructions when installing the RRH-2WB: Before Installing  Post warning signs in areas where high-voltage cables are installed.  Post ‘off limit’ signs in areas where accidents are most expected.
  • Page 25 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Fixing Materials for outdoor Stud bolts, Hex. nuts, spring washers, and plane washers that are used to fix the pole should be made of stainless materials (STS 304). If not, the joint parts may oxidize or gather rust.
  • Page 26: Pre-survey

     Status of external interfaces  Power capacity and wiring status  Possibility of system extension  Review if the place has the enough space to operate and maintain. © SAMSUNG Electronics Co., Ltd.
  • Page 27: Installation Tools

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 1.5 Installation Tools The basic tools for installation are listed in the table below. The additional tools required for each site need to identified and prepared during a site survey before starting installation. Table 1.1 Basic Installation Tools...
  • Page 28 CHAPTER 1. Before Installation This page is intentionally left blank. 1-10 © SAMSUNG Electronics Co., Ltd.
  • Page 29: Chapter 2. Installing System

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual CHAPTER 2. Installing System 2.1 Installing the RRH-2WB The procedure to install the RRH-2WB is listed in the flow chart below. Foundation Work Unpacking and Transporting CHAPTER 2. Installing System System Leveling Fixing System Insulation Test...
  • Page 30: Foundation Work

    CHAPTER 2. Installing System 2.2 Foundation Work 2.2.1 System Arrangement A certain distance must be secured around the RRH-2WB in each direction for installation and maintenance. Table 2.1 Recommended Distances for System Category Recommended Distances Front/Rear 800 mm (31.50 in.) or more Side 200 mm (7.87 in.) or more...
  • Page 31: Marking And Drilling

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 2.2.2 Marking and Drilling System marking helps install the system in a precise location by marking the locations of the system, anchor bolts, and cable racks on the floors, walls, and ceilings. When marking is completed, drill holes for anchor bolts.
  • Page 32: Unpacking And Transporting

    4) Unpack only external packing, leaving the internal packing in unpacked status. 5) Unpack the inner packaging after each system is placed on its installation location. 6) Do not recycle packaging waste. Dispose of it in consultation with the provider. © SAMSUNG Electronics Co., Ltd.
  • Page 33: Fixing The System

    1) Fixing the RRH-2WB Unit Mounting Bracket 1) To mount the RRH-2WB on the wall, first fix an M6 anchor bolt assembly at the marked location on the wall. 2) Fit the rubber pads, the bakelites, and the RRH-2WB unit mounting bracket to the fixed M6 anchor bolt assembly, and firmly fix them using the M6 insulation bushings, plane washers, spring washers, and Hex.
  • Page 34: Figure 2.5 Fixing The Rrh-2wb_wall Type (2)

    Temporarily fix the M8 hex. bolt, plane washer, and spring washer loosely to the left/right fixing hole on the top of the RRH-2WB. Hang the RRH-2WB to the hooking holes at the top of the RRH-2WB unit mounting bracket. Then align the RRH-2WB with the fixing holes of the RRH-2WB unit mounting bracket and fix them firmly.
  • Page 35: Figure 2.6 Fixing The Rrh-2wb_wall Type (3)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 3) Assembling the Solar Shield to RRH-2WB Align the solar shield cover with the fixing holes of the RRH-2WB and then fix them firmly using M5 SEMS screws. M5 × 12L SEMS Figure 2.6 Fixing the RRH-2WB_Wall Type (3)
  • Page 36: Fixing The Pole Type Rrh-2wb

    CHAPTER 2. Installing System 2.4.2 Fixing the Pole Type RRH-2WB Installing on Wall Mount Pole The following is an example of installing RRH-2WB and a sector antenna to the wall mount pole: Sector Antenna (4T4R) Wall Mount Pole RRH-2WB Figure 2.7 Example of Installing on Wall Mount Pole...
  • Page 37: Figure 2.8 Example Of Installing On Mono Pole

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Installing on Mono Pole The following is an example of installing RRH-2WB and a sector antenna to the mono pole: RRH-2WB Sector Antenna (4T4R) Figure 2.8 Example of Installing on Mono Pole © SAMSUNG Electronics Co., Ltd.
  • Page 38: Figure 2.9 Example Of Installing On Pole

    CHAPTER 2. Installing System Installing on Pole The following is an example of installing RRH-2WB and a sector antenna to the pole: ‘B’ ‘A’ Figure 2.9 Example of Installing on Pole 2-10 © SAMSUNG Electronics Co., Ltd.
  • Page 39: Figure 2.10 Example Of Installing On Pole (detail A, Detail B)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Detail ‘A’ RRH-2WB Pole for RRH-2WB Fixing Detail ‘B’ Sector Antenna (4T4R) Figure 2.10 Example of Installing on Pole (Detail A, Detail B) © SAMSUNG Electronics Co., Ltd. 2-11...
  • Page 40: Figure 2.11 Fixing 1 Sector Pole Type Rrh-2wb (1)

    1) Fixing the RRH-2WB Unit Mounting Bracket and Pole Mount Bracket To install the RRH-2WB into a pole, fix the RRH-2WB unit mounting bracket and the pole mounting bracket firmly using M8 carriage bolts, plane washers, spring washers, and hex. nuts.
  • Page 41: Figure 2.12 Fixing 1 Sector Pole Type Rrh-2wb (2)

    Temporarily fix the M8 hex. bolt, plane washer, and spring washer loosely to the left/right fixing hole on the top of the RRH-2WB. Hang the RRH-2WB to the hooking holes at the top of the RRH-2WB unit mounting bracket. Then align the RRH-2WB with the fixing holes of the RRH-2WB unit mounting bracket and fix them firmly.
  • Page 42: Figure 2.13 Fixing 1 Sector Pole Type Rrh-2wb (3)

    CHAPTER 2. Installing System 3) Assembling the Solar Shield to RRH-2WB Align the solar shield cover with the fixing holes of the RRH-2WB and then fix them firmly using M5 SEMS screws. M5 × 12L SEMS Figure 2.13 Fixing 1 Sector Pole Type RRH-2WB (3) 2-14 ©...
  • Page 43: Figure 2.14 Fixing 3 Sector Pole Type Rrh-2wb (1)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 2.4.2.2 Fixing 3 Sector Pole Type RRH-2WB Fix 3 sector pole type RRH-2WB in the following steps. 1) Assembling 3 sector Pole Mount Bracket Attach a pole mount bracket-jig to the 3 sector pole mount brackets. Fix the brackets to each other using M4 flat head screws at 8 fixing spots.
  • Page 44: Figure 2.15 Fixing 3 Sector Pole Type Rrh-2wb (2)

    M8 × 80L Hex. bolts, spring washers, and plane washers at 4 fixing spots. M8 Plane Washer M8 Spring Washer M8 × 80L Hex. Bolt 3 Sector Pole Mounting Bracket Ass’y-1 3 Sector Pole Mounting Bracket Ass’y-2 Figure 2.15 Fixing 3 Sector Pole Type RRH-2WB (2) 2-16 © SAMSUNG Electronics Co., Ltd.
  • Page 45: Figure 2.16 Fixing 3 Sector Pole Type Rrh-2wb (3)

    3 Sector Pole Mounting Bracket Ass’y-3 M8 Plane Washer M8 Spring Washer M8 × 80L Hex. Bolt 3 Sector Pole Mounting 3 Sector Pole Mounting Bracket Ass’y-2 Bracket Ass’y-1 Figure 2.16 Fixing 3 Sector Pole Type RRH-2WB (3) © SAMSUNG Electronics Co., Ltd. 2-17...
  • Page 46: Figure 2.17 Fixing 3 Sector Pole Type Rrh-2wb (4)

    4) Fixing the RRH-2WB Unit Mounting Bracket to the 3 sector Pole Mount Bracket Assembly Fix the RRH-2WB unit mounting brackets to the 3 sector pole mount bracket assembly attached to the pole. At this time, the RRH-2WB unit mounting brackets should be firmly fixed using M8 Hex. bolts, spring washers, and plane washers.
  • Page 47: Figure 2.18 Fixing 3 Sector Pole Type Rrh-2wb (5)

    Temporarily fix the M8 hex. bolt, plane washer, and spring washer loosely to the left/right fixing hole on the top of the RRH-2WB. Hang the RRH-2WB to the hooking holes at the top of the RRH-2WB unit mounting bracket. Then align the RRH-2WB with the fixing holes of the RRH-2WB unit mounting bracket and fix them firmly.
  • Page 48: Figure 2.19 Fixing 3 Sector Pole Type Rrh-2wb (6)

    CHAPTER 2. Installing System 6) Assembling the Solar Shield Cover to RRH-2WB Align the solar shield cover with the fixing holes of the RRH-2WB and then fix them firmly using M5 SEMS screws. M5 × 12L SEMS Figure 2.19 Fixing 3 Sector Pole Type RRH-2WB (6) 2-20 ©...
  • Page 49: Figure 2.20 Bolt Specifications For 3 Sector Pole Type Rrh-2wb-examples

    90 A Pole: Ф 101.6 mm (4 in.) 3 Sector Pole Mounting Ass’y M8 × 80L Hex. Bolt 100 A Pole: Ф 114.3 mm (4.5 in.) 3 Sector Pole Mounting Ass’y Figure 2.20 Bolt Specifications for 3 Sector Pole Type RRH-2WB-Examples © SAMSUNG Electronics Co., Ltd. 2-21...
  • Page 50: Fixing The Tower Type Rrh-2wb

    CHAPTER 2. Installing System 2.4.3 Fixing the Tower type RRH-2WB Installing on the Tower The following is an example of installing RRH-2WB, and a sector antenna to the tower: Sector Antenna (4T4R) Tower RRH-2WB #1 RRH-2WB #3 RRH-2WB #2 Figure 2.21 Example of Installing on the Tower 2-22 ©...
  • Page 51: Figure 2.22 Fixing Tower Type Rrh-2wb (1)

    Fix tower type RRH-2WB in the following steps. 1) Fixing the RRH-2WB Fixing Support to Tower a) Tighten the M8 stud bolts to the RRH-2WB fixing support (front side) fixing holes with plane washers, spring washers, and hex. nuts. M8 Hex. Nut...
  • Page 52: Figure 2.23 Fixing Tower Type Rrh-2wb (2)

    CHAPTER 2. Installing System b) Align the RRH-2WB fixing support (front side) outside of the tower and the RRH-2WB fixing support (rear side) inside of the tower with each M8 stud bolt and fixing hole, and tighten them with M8 plane washers, spring washers, and hex.
  • Page 53: Figure 2.24 Fixing Tower Type Rrh-2wb (3)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 2) Fixing the RRH-2WB Unit Mounting Bracket to the RRH-2WB Fixing Support Tighten the RRH-2WB unit mounting bracket to the RRH-2WB fixing supports with the M8 carriage bolts, plane washers, spring washers, and hex. nuts.
  • Page 54: Figure 2.25 Fixing Tower Type Rrh-2wb (4)

    Temporarily fix the M8 hex. bolt, plane washer, and spring washer loosely to the left/right fixing hole on the top of the RRH-2WB. Hang the RRH-2WB to the hooking holes at the top of the RRH-2WB unit mounting bracket. Then align the RRH-2WB with the fixing holes of the RRH-2WB unit mounting bracket and fix them firmly.
  • Page 55: Figure 2.26 Fixing Tower Type Rrh-2wb (5)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 4) Assembling the Solar Shield to RRH-2WB a) Align the solar shield cover with the fixing holes of the RRH-2WB and then fix them firmly using M5 SEMS screws. M5 × 12L SEMS Figure 2.26 Fixing Tower Type RRH-2WB (5) ©...
  • Page 56: Figure 2.27 Fixing Tower Type Rrh-2wb (6)

    CHAPTER 2. Installing System b) Attach RRH-2WB #1 and #2 to one side of the tower and RRH-2WB #3 to the other side RRH-2WB #1 RRH-2WB #3 RRH-2WB #2 Figure 2.27 Fixing Tower Type RRH-2WB (6) 2-28 © SAMSUNG Electronics Co., Ltd.
  • Page 57: Figure 2.28 Fixing Tower Type Rrh-2wb (7)

    M10 Spring Washer M10 Plane Washer M10 U-Bolt Antenna Fixing Pipe M10 Hex. Nut M10 Spring Washer M10 Plane Washer Pipe Fixing Plate Platform Pipe M10 U-Bolt Figure 2.28 Fixing Tower Type RRH-2WB (7) © SAMSUNG Electronics Co., Ltd. 2-29...
  • Page 58: Figure 2.29 Fixing Tower Type Rrh-2wb (8)

    CHAPTER 2. Installing System b) Install a sector antenna (4T4R) to each antenna fixing pipe. Sector Antenna (4T4R) Antenna Fixing Pipe Figure 2.29 Fixing Tower Type RRH-2WB (8) 2-30 © SAMSUNG Electronics Co., Ltd.
  • Page 59: System Leveling

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 2.5 System Leveling Leveling refers to compensating for the level difference on the floor that is generated during floor work to install devices horizontally or vertically. Leveling can be carried out using a vinyl hose, a balance weight, or a level.
  • Page 60: Figure 2.31 Leveling Test Before Fixing System

    4) If the leveling result shows that the equipment is not placed in vertical/horizontal, check and adjust the drilling location, connection materials’ dimensions, and structures’ dimensions and then make the Measuring Horizontal Position Measuring Vertical Position Figure 2.31 Leveling Test before Fixing System 2-32 © SAMSUNG Electronics Co., Ltd.
  • Page 61: Insulation Test

    When conducting an insulation test, it is advised to set the insulation tester to DC 500 V and the insulation value is recommend as 100 MΩ or higher. 1) Connect a lead of an insulation tester to the Hex.bolt for fixing the RRH-2WB. 2) Connect another lead to the anchor bolt.
  • Page 62 CHAPTER 2. Installing System This page is intentionally left blank. 2-34 © SAMSUNG Electronics Co., Ltd.
  • Page 63: Chapter 3. Connecting Cables

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual CHAPTER 3. Connecting Cables 3.1 Work Flow for Cabling The cabling sequence is as follows. Cable Path Inspection Cable Cutting Cable Installation Cable Binding When assembling the Connector Attachment Connector Assembly connector at the site Identification Tag Attachment Figure 3.1 Work Flow for Cabling...
  • Page 64 Always use the maximum curvature radius possible, and make sure that the minimum curvature radius specification is complied with.  If the cable needs to be protected, use a PVC channel, spiral sleeve, flexible pipe, and cable rack, etc. © SAMSUNG Electronics Co., Ltd.
  • Page 65: Table 3.1 Recommended Minimum Allowed Cable Bend Radius

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Table 3.1 Recommended Minimum Allowed Cable Bend Radius Recommended Minimum Allowed Type Remark Cable Bend Radius GV/CV/FR-8 8 times of the cable external diameter 0.6/1 KV Cable Optic Cable 20 times of the cable external diameter...
  • Page 66 Install the DC power cable and data transmission cable away from the AC power cable to prevent electromagnetic induction. Cable Works The cable works require the knowledge for the cabling works such as cable installation/tying. © SAMSUNG Electronics Co., Ltd.
  • Page 67: Cabling

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 3.2 Cabling The cabling diagram of the RRH-2WB is as follows: [MGB] [RF Antenna] [DU] 1) RRH-2WB Frame Ground Cable 4) RF Antenna Cable Ground Kit [TGB] TGB Ground Cable [Rectifier] ※ TGB and Ground Kit are used when using the 7/8 in. feeder line or more.
  • Page 68: Table 3.2 Rrh-2wb Connecting Cable

    CHAPTER 3. Connecting Cables Table 3.2 RRH-2WB Connecting Cable From Cable RRH-2WB 1) RRH-2WB Frame Ground Cable : AWG 10, GV 4 mm × 1C Rectifier 2) Power Cable : AWG8, CV 6 mm × 2C 3) Optic Cable : ODC-4 to LC/PC, Single Mode...
  • Page 69: Grounding

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 3.3 Grounding Grounding is required for protecting complex electronic or electric systems such as power system, communication system, and control system from lightning, over-current, over- voltage, and electric noise. Thus, the systems can operate properly and protect human life from electrical shock.
  • Page 70: Grounding The System

    16 mm (0.63 in.)  Heat shrink tube: Green 3) Align the pressure terminal fixed to the cable with the fixing holes on the RRH-2WB’s grounding terminal, and fix it with M6 SEMS. Apply a torque of 20~30 kgf.cm (1.45~ 2.17 lbf·ft).
  • Page 71 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Pressure Terminal for RRH-2WB Frame Grounding As for the pressure terminal or the cable, the UL certified products or equivalent should be used. Ex) Manufacturer-Panduit 4 mm Pressure Terminal: LCD10-14AF-L When connecting the pressure terminal to a cable, remove the cable sheath where the pressure terminal is connected, and then push the cable all the way to the end of the cable lead-in part.
  • Page 72: Power Construction

    1) Install a power cable (AWG8, CV 6 mm × 2C) covered with flexible pipes from the rectifier to the power port at the bottom of the RRH-2WB. 2) Fit a water-proof power connector to the installed power cable (AWG8, CV 6 mm ×...
  • Page 73: Figure 3.5 Installing The Rrh-2wb Power Cable (1)

    Power Connector (Amphenol, CJE-AL06M25U15-2S) Power Cable (AWG8, CV 6 mm × 2C, -48 V DC) Heat Shrink Tube (Jelly Type, Black) Heat Shrink Tube (Jelly Type, Black) Figure 3.5 Installing the RRH-2WB Power Cable (1) © SAMSUNG Electronics Co., Ltd. 3-11...
  • Page 74: Figure 3.6 Installing The Rrh-2wb Power Cable (2)

    CHAPTER 3. Connecting Cables Heat Shrink Tube (Jelly Type, Black) Heat Shrink Tube (Jelly Type, Black) Figure 3.6 Installing the RRH-2WB Power Cable (2) 3-12 © SAMSUNG Electronics Co., Ltd.
  • Page 75: Figure 3.7 Power Cable Connector

    3 V, and the RRH-2WB could be damaged by the counter electromotive force caused by the cable inductance. - The battery’s life could be shorten: The RRH-2WB could be off in spite the battery remains. (When the battery capacity is designed within one hour) - Do not use the power cables linked: Using the power cables linked each other, the loss will be increased.
  • Page 76: External Interface Construction

    Cable connection between the DU and the RRH-2WB is as shown below. 1) Install an optic cable from the DU to the optic port at the bottom of the RRH-2WB. 2) Fit a cut heat shrink tube to the optic cable before connecting the cable to the system optic port.
  • Page 77: Figure 3.8 Cable Connection Between The Du And The Rrh-2wb (optical Connection)

    Heat Shrink Tube (Jelly Type, Black) Heat Shrink Tube (Jelly Type, Black) Optic Cable (Single Mode) Heat Shrink Tube (Jelly Type, Black) Figure 3.8 Cable connection between the DU and the RRH-2WB (Optical connection) © SAMSUNG Electronics Co., Ltd. 3-15...
  • Page 78: Figure 3.9 Optic Cable Connector Between Du And Rrh-2wb_rrh-2wb Side

    LC 2 LC 4 Pin 4: Red Pin 2: Green Pin 3: Black [RRH-2WB-side Connector: ODC-4 (ODCP-Z/M-A300-04)] [DU-side Connector: FLC-Z/K-A006] Pin 4 (LC 1): Red Pin 2 (LC 3): Green Pin 3 (LC 2): Black Pin 1 (LC 4): Blue Figure 3.9 Optic Cable Connector between DU and RRH-2WB_RRH-2WB side...
  • Page 79: Table 3.4 Cable Spec For Mobile Wimax Only Operation Mode

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Mobile WiMAX Only Operation Mode (4T4R) Optic cable between RRH-2WB and DU for Mobile WIMAX only operation mode is as follows: Table 3.4 Cable Spec for Mobile WiMAX Only Operation Mode Cable type DU Side (LC)
  • Page 80: Table 3.6 Cable Spec For Wimax + Td-lte Dual Mode

    CHAPTER 3. Connecting Cables WiMAX + TD-LTE Dual Mode (2T2R) Optic cable between RRH-2WB and DU for WIMAX + TD-LTE dual mode is as follows: Table 3.6 Cable Spec for WIMAX + TD-LTE Dual Mode Cable type DU Side(LC) ODC-4 to LC Cable...
  • Page 81 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Warning for Laser Beam Running through Optical Cables In the system, the laser beam emitting light runs through the optical cable. The exposure of the laser beam on worker’s eye may cause serious injury so that it should be handled with care.
  • Page 82: Cable Connection Of Ret

    - When applying 27 VDC voltage, a current of 1 A or less must be supplied to the RET from the RRH-2WB. - For the external material of the RET, metal without vent hole or the UL certificated material must be use.
  • Page 83: Figure 3.11 Ret Cable Connector

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Figure 3.11 RET Cable Connector Table 3.8 RET Cable-side Connector Pin Map Samwoo, SU-20SP-8P Function RS485B DGND RET Connector RS485A +28 V +28 V RTN 1, 2, 8 © SAMSUNG Electronics Co., Ltd. 3-21...
  • Page 84: Connection Of Feeder Cable

    CHAPTER 3. Connecting Cables 3.5.3 Connection of Feeder Cable Connect a feeder cable between the RRH-2WB and the sector antenna as follows. Sector Antenna ‘B’ 1/2 in. Feeder line RRH-2WB ‘A’ Figure 3.12 Feeder Line Connection Diagram 3-22 © SAMSUNG Electronics Co., Ltd.
  • Page 85: Figure 3.13 Connection Of Feeder Cable (detail A)

    Detail ‘A’ 1) From the 1/2 in. jumper ass’y between RRH-2WB and the RF antenna 1/2 in. jumper ass’y, install one end of the cable, which the miniature Din-type male connector is connected to, to the RF port at the bottom of RRH-2WB.
  • Page 86: Figure 3.14 Connection Of Feeder Cable (detail B)

    4) Attach the heat shrink tube (jelly type, black) for finishing to the other end of the 1/2 in. jumper ass’y connected to the RRH-2WB’s RF port, and connect the N-type male connector to the sector antenna’s port. 5) After connecting the connector, finish the connection with a heat shrink tube (jelly type, black).
  • Page 87 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Checking the Antenna/Arrestor/Line Amplifier Connector Specs The connector specifications may differ depending on the supplier and the manufacturer of antenna/arrestor/line amplifier. Check the specifications of the antenna/arrestor/line amplifier before preparing materials. Even, the same kind of connectors may have different specifications depending on the cable, so check whether the connector can be applied to the cable to be used.
  • Page 88: Figure 3.15 Heat Shrink Tube Specification

    : 28/6 × 150 mm (1.10/0.24 × 5.91 in.) RRH-2WB Miniature Din Type-Male Connector (For 1/2 in. Feeder Line) - Heat Shrink Tube (Jelly Type, Black) : 28/6 × 150 mm (1.10/0.24 × 5.91 in.) Figure 3.15 Heat Shrink Tube Specification 3-26 © SAMSUNG Electronics Co., Ltd.
  • Page 89 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Finishing Heat Shrink Tube of a Sector Antenna 1) Insert an antenna protection plate to antenna port. 2) Place the heat shrink tube on the connection point and shrink the heat shrink tube using a heat gun.
  • Page 90 When you install the antenna, the distant and angle between the antenna and lightning rod must be within the protective angle (left/right side 45° each from the central axis) to prevent the antenna from lightning damage. Lightning Rod 45° 45° RF Antenna 3-28 © SAMSUNG Electronics Co., Ltd.
  • Page 91: Table 3.9 Rf Cable Identification Tag

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Checking Feeder Connection After connecting the feeder cables, perform the continuity test and feeder cable return loss to check if the feeder cable is changed and measure VSWR of antenna and feeder cable. Connection Part of System External...
  • Page 92: Installation Test

    System input voltage Measurement by digital (BATT voltage) meter (voltmeter) Cabling status Visual inspection (Flexible, Vinyl hose) 3-30 © SAMSUNG Electronics Co., Ltd.
  • Page 93 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Table 3.10 Construction Situation Checklist (Continued) Result Category Check Items Criteria Remarks Pass Fail Ground Ground line standard Visual inspection Construction Ground bar ↔ System Visual inspection Ground line cabling status Cabling status check Termination treatment of the...
  • Page 94 CHAPTER 3. Connecting Cables This page is intentionally left blank. 3-32 © SAMSUNG Electronics Co., Ltd.
  • Page 95: Annex A. Sector Antenna Installation

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ANNEX A. Sector Antenna Installation A.1 Cautions when Installing a Sector Antenna Precautions of antenna installation are as follows.  Sector antennas should be installed vertically. (± 1°)  Antenna is the precise material, so be careful not to make damage or form change.
  • Page 96: Sector Antenna Installation

    Guide Clamp Bolt_3 Guide Clamp Bolt_1 Upper Fixing Clamp Upper Guide Clamp Guide Clamp Bolt_2 Pole Main Radiation Direction Lower Guide Clamp Lower Fixing Clamp Antenna Input Port Guide Clamp Bolt_4 Figure A.1 Sector Antenna © SAMSUNG Electronics Co., Ltd.
  • Page 97 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Installing the Antenna When you install the antenna, the antenna must be installed within the protective angle (left/right side 45° each from the central axis) of lightning rod to prevent the antenna from lightning damage.
  • Page 98 ANNEX A. Sector Antenna Installation This page is intentionally left blank. © SAMSUNG Electronics Co., Ltd.
  • Page 99: Annex B. Installing Feeder Cable

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ANNEX B. Installing Feeder Cable B.1 Cautions When Installing Feeder Cable When installing the feeder, the following cautions shall be considered:  Put a plate to work not to make damage for the surface of the feeder cable.
  • Page 100: Table B.2 Curvature Radius Of Feeder Cable For Indoor (based On Ls Feeder Line)

    If the radius of curvature for the feeder line installation is less than the allowed radius of curvature, it may affect the performance of the system. © SAMSUNG Electronics Co., Ltd.
  • Page 101: Table B.4 Connector Connection Torque Value

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0  Ensure that the feeder cable does not interfere with steel towers, ladders and in the areas chiefly used by people.  Connect the connector to the antenna in a straight line and after connecting, do not apply excessive force.
  • Page 102: Antenna Feeder Cable Ground

    1) Remove about 55 mm (2.17 in.) of the sheath of cable when the 7/8 in. feeder cable is used. 2) Open it by returning hook of the clamp fixing for Ground kit in the left direction. Figure B.1 Feeder Cable Grounding (1) © SAMSUNG Electronics Co., Ltd.
  • Page 103: Figure B.2 Feeder Cable Grounding (2)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 3) Insert the ground kit clamp into the place from which the feeder line sheath is removed. 4) Pull the clamp lock to the upward so that the lock can be hung on the global protrusion area on the side.
  • Page 104: Figure B.3 Feeder Cable Grounding (3)

    8) Shrink the heat shrink tube[jelly type, 200 mm (7.87 in.)] by heating gun. Heat Shrink Tube 42 mm (1.65 in.) 200 mm (7.87 in.) Heating Gun Heat Shrink Tube 42 mm (1.65 in.) Figure B.3 Feeder Cable Grounding (3) © SAMSUNG Electronics Co., Ltd.
  • Page 105: Figure B.4 Feeder Cable Grounding (4)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 9) After the ground kit has been installed to the feeder line, attach the pressure terminal (1 hole) of the ground cable connected to the ground kit to the TGB. 10) When attaching the pressure terminal, use M6 × 25L hex. Bolts.
  • Page 106: Tower Ground Construction

    3) Tighten the ground kit (feeder cable grounding assembly) to the TGB ground terminal and the tower hole using the pressure terminal hole attached at the end of the ground kit’s ground cable. © SAMSUNG Electronics Co., Ltd.
  • Page 107: Figure B.5 Connecting The Tower Ground Cable

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Lightning Rod Lightning Rod Ground Cable (AWG4/0, GV 95 mm × 1C) Ground Kit TGB (Tower Ground Bar) (Tower Height>20 m) TGB Ground Cable (AWG1, GV 35 mm × 1C) 7/8 in. Feeder Line or more...
  • Page 108 ANNEX B. Installing Feeder Cable This page is intentionally left blank. B-10 © SAMSUNG Electronics Co., Ltd.
  • Page 109: Annex C. Connector Assembly

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ANNEX C. Connector Assembly C.1 N type-male (1/2 in. feeder line) Below is the method for assembling the N type-male connector to the 1/2 in. feeder line. © SAMSUNG Electronics Co., Ltd.
  • Page 110: Figure C.1 Assembling The N Type-male (1/2 In. Feeder Line) Connector (1)

    2) Using a stripping tool or a knife, strip the 1/2 in. feeder line by 25 mm (0.98 in.) from the end, as shown in the figure below. 1/2 in. Feeder Line Conductor 1/2 in. Feeder Line Jacket 25 mm Figure C.1 Assembling the N type-male (1/2 in. Feeder Line) Connector (1) © SAMSUNG Electronics Co., Ltd.
  • Page 111: Figure C.2 Assembling The N Type-male (1/2 In. Feeder Line) Connector (2)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 3) Remove the 11 mm (0.43 in.) of the external conductor end and 10 mm (0.39 in.)of the jacket using a trimming tool. Trimming Tool Collet 4) Insert the internal conductor into the deburring hole at the bottom of the trimming tool to trim it.
  • Page 112: Figure C.3 Assembling The N Type-male (1/2 In. Feeder Line) Connector (3)

    (Note that it should only be tightened by rotating the external body with the clamping nut in a fixed and stable position.) O-Ring Clamping Nut Insert Ring N type-Male Body Keep the fixed state Figure C.3 Assembling the N type-male (1/2 in. Feeder Line) Connector (3) © SAMSUNG Electronics Co., Ltd.
  • Page 113: Figure C.4 Assembling The N Type-male (1/2 In. Feeder Line) Connector (4)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 7) Insert the heat shrink tube into the 1/2 in. feeder line fitted with the N type-male connector as shown in the figure below. - Heat shrink tube: Ф 28 mm, 100 mm (Ф 1.1 in., 3.94 in.) 8) Shrink the heat shrink tube inserted into the 1/2 in.
  • Page 114: Din Type-male (1/2 In. Feeder Line

    Feeder Line 4) Insert the o-ring, clamping nut, insert ring, pin and Din type-male body into the stripped feeder line in this order. Figure C.5 Assembling the Din type-male (1/2 in. Feeder Line) Connector (1) © SAMSUNG Electronics Co., Ltd.
  • Page 115: Figure C.6 Assembling The Din Type-male (1/2 In. Feeder Line) Connector (2)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 5) Tighten firmly the clamping nut and Din type-male body inserted to the 1/2 in. feeder line using a wrench. The recommended torque for tightening the clamping nut and Din type-male body is 30~50 N.m (306~510 lbf·ft) (Note that it should only be tightened by rotating the external body with the clamping nut...
  • Page 116: Finishing The Connector Connection Part By Tape

    3) Bind the end part of the insulation tape using cable tie to prevent slips. Rubber Tape Insulation Tape Cable Tie Figure C.7 Finishing the Connector Connection Part by Tape © SAMSUNG Electronics Co., Ltd.
  • Page 117: How To Shrink The Heat Shrink Tube

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 C.4 How to Shrink the Heat Shrink Tube C.4.1 When Assembling a Connector to the Feeder Line Below is the procedure for shrinking the heat shrink tube. 1) Prepare a 1/2 in. feeder line, heat shrink tube, and heating gun to finish the cable using a heat shrink tube.
  • Page 118: Figure C.9 Shrinking The Heat Shrink Tube_feeder Line (2)

    6) Shrink the heat shrink tube until jelly appears at the end part of it (refer the Figure below) and finish it. Jelly Figure C.9 Shrinking the Heat Shrink Tube_Feeder Line (2) C-10 © SAMSUNG Electronics Co., Ltd.
  • Page 119: When Connecting A Connector To Another Connector

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 C.4.2 When Connecting a Connector to another Connector Below is the procedure for shrinking the heat shrink tube. 1) Prepare a 1/2 in. feeder line, 7/8 in. feeder line, heat shrink tube, and heating gun to finish the cable using a heat shrink tube.
  • Page 120: Figure C.11 Shrinking The Heat Shrink Tube_connection Between Connectors (2)

    6) Rotate the heating gun so that heat is evenly distributed to prevent that bubbles are generated or heat is concentrated to a specific part. Figure C.11 Shrinking the Heat Shrink Tube_Connection between Connectors (2) C-12 © SAMSUNG Electronics Co., Ltd.
  • Page 121: Figure C.12 Shrinking The Heat Shrink Tube_connection Between Connectors (3)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 7) Shrink the heat shrink tube until jelly appears at the end part of it (refer the figure below) and finish it. Jelly Figure C.12 Shrinking the Heat Shrink Tube_Connection between Connectors (3) © SAMSUNG Electronics Co., Ltd.
  • Page 122 - If jelly does not appear on the end of the heat shrink tube, it may mean that it is not shrunk properly. Apply heat until jelly appears using a heating gun. Jelly C-14 © SAMSUNG Electronics Co., Ltd.
  • Page 123: Power Connector Assembly

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 C.5 Power Connector Assembly The procedure for assembling the power connector (Amphenol, CJE-AL06M25U15-2S) is as follows. 1) Cut the power cable to the length of installing section. 2) Strip the external sheath of the cable for the connector about 35 mm (1.38 in.) from the end and sheath of internal core conductor about 10 mm (0.39 in.).
  • Page 124: Figure C.14 Power Connector Assembly (2)

    7) Place the heat shrink tube [38 mm (1.50 in.)] to the lead-in part of connector cable, and shrink it using the heating gun. Do not shrink the tube for too long time since the jelly might come out too much. Figure C.14 Power Connector Assembly (2) C-16 © SAMSUNG Electronics Co., Ltd.
  • Page 125: Annex D. Cleaning Optic Connector

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ANNEX D. Cleaning Optic Connector D.1 Cleaning Optic Connector When connecting optical cable to the system, performance of system can be decreased or fails can occur if core section of optical connector is dirty due to dust or foreign material.
  • Page 126 (for Extend Nozzle) [Nozzle Extension] Guide Cap Guide Cap Cover [In Case of LC type Connector (Plug)] Guide Cap [In Case of LC type Connector (Jack)] Figure D.1 Optic Connector Cleaner (IBC Brand Type Cleaner: P/N 9393) © SAMSUNG Electronics Co., Ltd.
  • Page 127: Figure D.2 Optic Module Cleaning (lc Type Jack)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Optic Module Cleaning (LC Type Jack) 1) To clean the optic module, remove the guide cap from the cleaner (P/N: 9393). Outer Shell Guide Cap Nozzle [IBC Brand Cleaner: P/N 9393] 2) Insert a cleaner guide cap to every core of the optic module. Clean it by pushing the outer shell toward the nozzle until you hear the sound of the detergent being sprayed.
  • Page 128: Figure D.3 Optic Cable Connector Cleaning (lc Type Plug)

    2) Insert a cleaner guide cap to every core of the optic cable connector. Clean it by pushing the outer shell toward the nozzle until you hear the sound of the detergent being sprayed. (Repeat once or twice.) Nozzle Outer Shell Guide Cap LC Type Connector Figure D.3 Optic Cable Connector Cleaning (LC Type Plug) © SAMSUNG Electronics Co., Ltd.
  • Page 129 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 D.2.2 IBC Brand Type Cleaner (P/N 12910) Method that uses IBC Brand Cleaner for ODC connector is as follows: Nozzle Outer Shell Guide Cap Lock Button (for Extend Nozzle) [Optic Connector Cleaner Configuration] Lock Button...
  • Page 130: Figure D.5 Optic Port Cleaning (odc, Pt/lc Jack)

    (Repeat once or twice.) Core Core [Optic Port of System: ODC-4] [Optic Port of System: PT/LC] Figure D.5 Optic Port Cleaning (ODC, PT/LC Jack) © SAMSUNG Electronics Co., Ltd.
  • Page 131: Figure D.6 Optic Cable Connector Cleaning (odc Type Plug)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Optic Cable Connector Cleaning (ODC Type Plug) 1) To clean the ODC connector of cable, remove the guide cap from the cleaner (P/N: 12910). Outer Shell Guide Cap Nozzle [IBC Brand Cleaner: P/N 12910] 2) Insert a cleaner guide cap to every core hole of the ODC connector. Clean it by pushing the outer shell toward the nozzle until you hear the sound of the detergent being sprayed.
  • Page 132: Figure D.7 Optic Cable Connector Cleaning (pt/lc Type Plug)

    2) Insert a cleaner guide cap to every core hole of the the PT/LC connector. Clean it by pushing the outer shell toward the nozzle until you hear the sound of the detergent being sprayed. (Repeat once or twice.) PT/LC Connector Outer Shell Nozzle Figure D.7 Optic Cable Connector Cleaning (PT/LC Type Plug) © SAMSUNG Electronics Co., Ltd.
  • Page 133: Figure D.8 Measuring The Optical Output And Connecting The Optic Connector

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0 Measuring the Optical Output and Connecting the Optic Connector 1) Check the optical output again using an optic power meter. 2) If the optical output measurement result meets the reference value, clean the connector again and connect it.
  • Page 134 ANNEX D. Cleaning Optic Connector This page is intentionally left blank. D-10 © SAMSUNG Electronics Co., Ltd.
  • Page 135: Figure E.1 Pressure Terminal Assembly (1)

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ANNEX E. Pressure Terminal Assembly Method that assembles the pressure terminal by using the crimp-type compressor is as follows: [Ring Type Dies] [Hydraulic Pressure [Hex. Type Dies] Terminal Compressor] 1) Select the appropriate compressor and dies for the cable specification and pressure type.
  • Page 136: Annex E. Pressure Terminal Assembly

    Figure E.2 Pressure Terminal Assembly (2) Table E.1 Compressor Specification by Cable Thickness Compressor Specification Cable Spec. Small-size Hand Large-size Hand Hydraulic Compressor Compressor Compressor (AK-38, 100) (IZUMI Hex. Type Dies) 95~300 © SAMSUNG Electronics Co., Ltd.
  • Page 137: Table F.1 Standard Torque Value For Tightening Bolts

    Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ANNEX F. Standard Torque When you tighten the bolt, refer to the standard torque value below to prevent the equipment and bolt from damage and secure by tightening. When the torque value for each connection part is defined already, refer to the defined value.
  • Page 138: Annex F. Standard Torque

    ANNEX F. Standard Torque This page is intentionally left blank. © SAMSUNG Electronics Co., Ltd.
  • Page 139 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ABBREVIATION Long Term Evolution Main Ground Bar MIMO Multiple Input Multiple Output Mobile IP Network Element PIMD Passive Inter-Modulation Distortion RSSI Received Signal Strength Indicator Remote RF Head Tower Ground Bar VSWR Voltage Standing Waveform Ratio...
  • Page 140 900cm during normal operation. The gain of the antenna is 19.8 dBi. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. ⓒ SAMSUNG Electronics Co., Ltd.
  • Page 141 Mobile WiMAX/TD-LTE RRH-2WB Installation Manual ©2012 Samsung Electronics Co., Ltd. All rights reserved. Information in this manual is proprietary to SAMSUNG Electronics Co., Ltd. No information contained here may be copied, translated, transcribed or duplicated by any form without the prior written consent of SAMSUNG.

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