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CHAPTER 1. Before Installation

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© SAMSUNG Electronics Co., Ltd.

External Interfaces of RRH-C2A

The following shows the external interfaces of RRH-C2A.

Figure 1.2 External Interfaces of RRH-C2A

[Bottom View]

POWER

[-48 V]

OPTIC_1

RET

Ground

ANT 0

ANT 1

OPTIC_0

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Summary of Contents for Smart MBS RRH-C2A

Page 1: ...Ver 2 0 Smart MBS RRH C2A Installation Manual ...

Page 2: ...espective companies This manual should be read and used as a guideline for properly installing and operating the product This manual may be changed for the system improvement standardization and other technical reasons without prior notice If you need updated manuals or have any questions concerning the contents of the manuals contact our Document Center at the following address or Web site Addres...

Page 3: ... the procedure to install RRH C2A ANNEX A Sector Antenna Installation This annex describes sector antenna configurations and its installation requirements ANNEX B Feeder Line Work This annex describes cautions and allowed radius of curvature when installing feeder line ANNEX C Assembling connector This annex describes the procedure of assembling connector ANNEX D Cleaning Optic Connector This anne...

Page 4: ...n text but is always preceded by an icon and or a bold title WARNING Provides information or instructions that the reader should follow in order to avoid personal injury or fatality CAUTION 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 ...

Page 5: ...y 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 Restriction Indication for prohibiting an action for a product Instruction Indication for commanding a specifically required action ...

Page 6: ...damage of the equipment or the bodily injury of the worker Connect the ground cable first Installation General Caution for Laser Beam of Optical Module and Cable The optical module and cable used in the system emit bright laser beams Always handle them with care as there is risk of serious injury if the eyes are exposed to the laser beam of the optical cable Wearing protection gloves and goggles M...

Page 7: ...tion performance 300 mm or more interval should be kept straight According to the radius of curvature of the cable specification should be considered Caution for cutting the power cable Cut power cable after installing power cable to RRH C2A power terminal taking into account the radius of curvature according to the cable specifications When cutting the cable first the length difference of cable e...

Page 8: ...eaning optic connector Radius of Curvature of Feeder Line When installing a feeder line the radius of curvature of the sections where cables bent should be larger than the allowed radius of curvature 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 Connection of Feeder Cable Connector Connecting the...

Page 9: ...prevent empty space Do not work by yourself Do not work by yourself in any key process Caution for cleaning the Rack Make sure that worker does not damage installed cables while cleaning the rack Cautions When Connecting the CRPI Cable Failure to observe the CPRI cable connection specified in Table 2 5 may impair the communication between the CDMA terminal RRH C2A optic cable connection standard C...

Page 10: ...protection angle of the lightning rod should be 45 degrees Finishing Heat Shrink Tube of a Sector Antenna 1 Insert an antenna protection plate 2 Place the heat shrink tube on the connection point and shrink the heat shrink tube using a heat gun 3 Avoid aiming the heating gun toward the antenna s body as shown in the figure below Lightning rod 45 45 RF Antenna Heat Shrink Tube Jelly Type Antenna Ju...

Page 11: ... Ltd IX California USA Only This Perchlorate warning applies only to primary CR Manganese Dioxide Lithium coin cells in the product sold or distributed ONLY in California USA Perchlorate Material special handling may apply See www dtsc ca gov hazardouswaste perchlorate ...

Page 12: ...uration 1 1 1 2 Specifications 1 3 1 3 Cabling 1 5 1 4 Installation Precaution 1 7 1 5 Pre Construction Inspection 1 12 1 6 Installation Tool 1 13 CHAPTER 2 Installation of RRH C2A 2 1 2 1 Installation Procedure 2 1 2 2 Foundation Work 2 2 2 2 1 Equipment Arrangement 2 2 2 3 Unpacking and Transporting 2 3 2 3 1 Importing Items 2 3 2 3 2 Unpacking Items 2 3 2 4 Fixing the System 2 4 2 4 1 Fixing Wa...

Page 13: ...nna Installation A 2 ANNEX B Feeder Line Work 오 류 책갈피가 정의되어 있지 않습 니다 B 1 When installing the feeder the cautions 오류 책갈피가 정의되어 있지 않습니다 B 2 Antenna Feeder Cable Ground 오류 책갈피가 정의되어 있지 않습니다 B 3 Tower Ground Construction 오류 책갈피가 정의되어 있지 않습니다 ANNEX C Assembling connector 오 류 책갈피가 정의되어 있지 않습 니다 C 1 RJ 45 Shield type 오류 책갈피가 정의되어 있지 않습니다 C 2 RJ 45 Normal type 오류 책갈피가 정의되어 있지 않습니다 C 3 N type male LMR 400 ...

Page 14: ...ure 2 2 RRH C2A Installation Space 1 sector pole type 2 2 Figure 2 3 Fixing Wall Mount 1 2 4 Figure 2 4 Fixing Wall Mount 2 2 5 Figure 2 5 Fixing 1 sector pole 1 오류 책갈피가 정의되어 있지 않습니다 Figure 2 6 Fixing 1 sector pole 2 오류 책갈피가 정의되어 있지 않습니다 Figure 2 7 RRH C2A Feeder Line Connection Diagram 2 10 Figure 2 8 Connecting RRH C2A Feeder Line 1 2 11 Figure 2 9 Connecting RRH C2A Feeder Line 2 2 12 Figure 2 ...

Page 15: ...가 정의되어 있지 않습니다 Figure 2 31 Connecting RRH C2A power cable AWG10 4 오류 책갈피가 정의되어 있지 않습니다 Figure 2 32 Connecting RRH C2A power cable AWG10 5 오류 책갈피가 정의되어 있지 않습니다 Figure 2 33 Connecting RRH C2A power cable AWG10 6 오류 책갈피가 정의되어 있지 않습니다 Figure 2 34 Connecting RRH C2A CPRI cable 1 2 34 Figure 2 35 Connecting RRH C2A CPRI cable 2 2 36 Figure 2 36 Remaining length of Hybrid cable 1 2 38 Figure 2 37 Remaini...

Page 16: ...다 Figure C 11 Assembling the Din type male Connector 1 2 in Feeder Line 1 오류 책갈피가 정의되어 있지 않습니다 Figure C 12 Assembling the Din type male Connector 1 2 in Feeder Line 2 오류 책갈피가 정의되어 있지 않습니다 Figure C 13 Finishing connector connection with the tape 오류 책갈피가 정의되어 있지 않습니다 Figure C 14 Shrinking the Heat Shrink Tube Feeder line 1 오류 책갈피가 정의되어 있지 않습니다 Figure C 15 Shrinking the Heat Shrink Tube Feeder line 2...

Page 17: ...nnection configuration 2 36 Table 2 6 CPRI cable connection standard When CDMA DU Shelf is one 오류 책갈피가 정의되어 있지 않습니다 Table 2 7 CPRI cable connection standard When CDMA DU Shelf is two 오류 책갈피가 정의되어 있지 않습니다 Table 2 8 Construction Status Checklist 2 42 Table B 1 Curvature Radius of Feeder Cable for Outdoor 오류 책갈피가 정의되어 있지 않습니다 Table B 2 Curvature Radius of Feeder Cable for Indoor오류 책갈피가 정의되어 있지 않습니다 T...

Page 18: ...TABLE OF CONTENTS XVI SAMSUNG Electronics Co Ltd This page is intentionally left blank ...

Page 19: ...cs Co Ltd 1 1 CHAPTER 1 Before Installation 1 1 System Configuration RRH C2A Configuration The following shows the configuration of RRH C2A Figure 1 1 RRH C2A Configuration Top View Unit mm Front View Bottom View Right View Left View Rear View 598 171 400 ...

Page 20: ...ation 1 2 SAMSUNG Electronics Co Ltd External Interfaces of RRH C2A The following shows the external interfaces of RRH C2A Figure 1 2 External Interfaces of RRH C2A Bottom View POWER 48 V OPTIC_1 RET Ground ANT 0 ANT 1 OPTIC_0 ...

Page 21: ...pacity CDMA 5 carriers Output Power 100W total 50W 50W Multiple Antenna CDMA 1T2R 2T2R Baseband Interface 2 4576Gbps Single mode Bi directional 10Km CRPI version 4 0 or above Input Power The following table shows the power specifications for RRH C2A Item Specifications Input voltage 48 VDC Current consumption 9 5 A Unit Size and Weight The following table shows the size and weight of RRH C2A Item ...

Page 22: ...hout solar load Humidity a 10 95 The moisture content must not exceed 0 024 kg per 1 kg of air Altitude 0 1 800 m 0 6 000 ft Vibration GR 63 CORE Sec 4 4 Earthquake Office Vibration Transportation Vibration Noise sound pressure level Max 65 dBA at distance of 1 5 m 5 ft and height of 1 0 m 3 ft Electromagnetic compatibility EMC FCC Title47 Part 15 Class B US Federal Regulation FCC Title47 Part90 a...

Page 23: ...nnected to RRH C2A Figure 1 3 Cabling Diagram 3 RRH C2A Ground Cable RF Antenna MGB 2 TGB Ground Cable TGB Feeder Line Ground Cable Ground Kit 7 8 in Feeder Line or more TGB and Ground Kit are used in case of the 7 8 in feeder line or more Rectifier UADU 1 MGB Ground Cable 5 CPRI Cable 6 RET Cable 7 RF Cable 4 Power Cable ...

Page 24: ...efending on the standard of service provider TGB Tower Ground Bar 2 TGB Ground Cable AWG2 GV 25 mm2 1C However This can be different defending on the standard of service provider RRH C2A MGB 3 RRH C2A Ground Cable AWG8 GV 6 mm2 1C Rectifier 4 Power Cable AWG10 4 mm2 2C or AWG8 6 mm 2 2C UADU 5 CPRI Cable Optic Cable Single Mode RET 6 RET Cable Ass y Shield Cable Antenna 7 RF Cable 1 2 in or 7 8 in...

Page 25: ...he location of the fire extinguisher and how to use it Check the location of the nearest emergency exit During Installation Cut all equipment power before installation Always wear protection gloves and goggles when drilling holes into the wall or ceiling To prevent electric shocks from metallic objects remove all accessories such as watches or rings Wearing protection gloves and goggles Make sure ...

Page 26: ...cable to the length determined in the Cable Path Inspection step Use a dedicated cable cutting tool Cut the cable at right angles Be careful to keep the cable away from any moisture iron lead dust or other foreign material when cutting Remove any foreign material attached to the cable using solvent and a brush Cable Installation Cable installation involves running the cable along the cabling path ...

Page 27: ... radius is specified by the manufacturer comply with the bend radius specified Cable Binding Cable binding involves fixing and arranging an installed cable using binding strings cable ties binding lines and ram clamps etc Follow these guidelines when binding a cable Be careful not to damage the cable during binding Use appropriate cable binding tools according to the target location indoor or outd...

Page 28: ...t Identification tag attachment involves attaching a butterfly cable tie nameplate and label etc to the both ends of a cable connections to a connector to identify its use and cabling path Follow these guidelines when attaching an identification tag When installing a cable outdoor use relief engraving and coated labels etc to prevent markings from being erased Since the form and attachment method ...

Page 29: ...ptical cable Caution for cleaning the Rack Make sure that worker does not damage installed cables while cleaning the rack Caution for cleaning the Power Supply While cleaning the power supply device take caution that the device does not come in contact with alien bodies that may cause power failure Damage Prevention For handling devices sensitive to static electricity be aware of the followings to...

Page 30: ...partment for further analysis and resolution The site inspection prior to the system installation should be performed by the installation construction crew and the service provider The following details should principally be reviewed and analyzed The appropriateness and efficiency of the system s transportation method and its installation location The status of the external interface The status of...

Page 31: ... 6 10 mm 5 Hacksaw Frame Blade Normal HIS 6 Level Plumb bobs Normal 500 g 7 Heating gun 50 300 C 8 Solder 30 130 W 9 Power extension cable 30 m 10 Tape measure 5 m 50 m 11 Cable cutter 325 mm 12 Silicon gun Silicon Normal Gray Colorless 13 Spanner 19 mm 24 mm 36 mm 14 Hexagonal wrench bolt 15 Hoisting wire 25 m 16 Installation Tools for Stainless Steel Cable Ties DAS 250 ties up to7 9mm width stra...

Page 32: ...CHAPTER 1 Before Installation 1 14 SAMSUNG Electronics Co Ltd This page is intentionally left blank ...

Page 33: ...nnection Procedure Cabling in the Cabinet Cabling the Hybrid Cable Check This procedure may be omitted when using an existing installation If required additional work can be done through the standard procedure and thus will not be described in this manual Antenna Installation Material Check Antenna Mounting System Installation Cabling from Antenna to RRH RRH Installation Buss bar Installation RRH ...

Page 34: ...gement Item Recommended Distances Front Rear 800 mm or more Sides 600 mm or more Clearance between racks 60 mm when the battery cabinet is on the left and the DU cabinet is on the right Figure 2 2 RRH C2A Installation Space 1 sector pole type Equipment Installation Space The figure above illustrates the installation space using a 101 6 mm 90 A diameter pole The measures may differ depending on the...

Page 35: ...nstalling or mounting Vibration Level for Transportation When carrying the system fasten the system firmly not to exceed the proper vibration level from 1 to 500 Hz When carrying system use a lift to prevent accidents However if the system should be carried by people enough people are required to carry the system Before moving the system check the storage place for the system and remove obstacles ...

Page 36: ...g bracket to the wall A 2 Fix the RRH C2A to the RRH mounting bracket B D Figure 2 3 Fixing Wall Mount 1 A 벽면 드릴링 된 홀에 M12 Hex bolt spring washer plane washer insulation bushing Bakelite strong anchor 를 사용하여 RRH mounting Bracket L R 을 견고하게 고정한다 M12 Hex Bolt M12 Spring Washer M12 Plane Washer M12 Strong Anchor RRH Mounting Bracket L M12 Insulation Bushing Bakelite RRH Mounting Bracket R ...

Page 37: ...ronics Co Ltd 2 5 Figure 2 4 Fixing Wall Mount 2 B RRH C2A 상단 좌 우측 고정 홀에 M8 25L Hex bolt plane washer spring washer 를 약 6 mm 가량 남도록 하여 임시로 고정한다 M8 x 25L Hex Nut RRH C2A M8 Spring Washer M8 Plane Washer M12 Plane Washer M12 Spring Washer M12 x 25L Hex Bolt 6 mm ...

Page 38: ...stainless steel STS 304 Otherwise it may cause corrosion and rust to fixing materials C RRH C2A 상단 좌 우측 고정된 M8 25L Hex bolt plane washer spring washer 를 RRH mounting bracket 상단의 홈에 맞춰서 걸고 나머지 고정 홀에 M8 25L Hex bolt plane washer spring washer 를 사용하여 고정한다 D RRH C2A 상단 좌 우측에 임시로 고정한 M8 25L Hex bolt 를 견고히 고정한다 RRH C2 M8 25L Hex Bolt M8 Spring Washer M8 Plane Washer RRH Mounting Bracket top slot M8 25L ...

Page 39: ...le 1 A RRH mounting bracket L R bakelite pole mount bracket 의 홀 위치를 맞추고 M12 180L Hex bolt spring washer plane washer Insulation bushing Hex nut 를 사용하여 견고히 고정한다 B 조립된 RRH mounting bracket ass y 를 pole 고정 위치에 놓고 반대쪽에서 pole mount bracket 을 M12 x 180L Hex bolt 에 맞추어 끼운 후 M12 plane washer spring washer Hex nut 를 이용하여 견고하게 고정한다 M12 Insulation Bushing M12 Hex Nut Pole Mount Bracket Bakelite M12 Plane Was...

Page 40: ...ics Co Ltd Figure 2 9 Fixing 1 sector pole 2 C RRH C2A 상단 좌 우측 고정 홀에 M8 25L Hex bolt plane washer spring washer 를 약 6 mm 가량 남도록 하여 임시로 고정한다 M8 x 25L Hex Nut RRH C2A M8 Spring Washer M8 Plane Washer M12 Plane Washer M12 Spring Washer M12 x 25L Hex Bolt 6 mm ...

Page 41: ...f stainless steel STS 304 Otherwise it may cause corrosion and rust to fixing materials D RRH C2A 상단 좌 우측 고정된 M8 25L Hex bolt plane washer spring washer 를 RRH mounting bracket 상단의 홈에 맞춰서 걸고 나머지 고정 홀에 M8 25L Hex bolt plane washer spring washer 를 사용하여 고정한다 E RRH C2A 상단 좌 우측에 임시로 고정한 M8 25L Hex bolt 를 견고히 고정한다 RRH C2 M8 25L Hex Bolt M8 Spring Washer M8 Plane Washer RRH Mounting Bracket top slot M8 25...

Page 42: ...lows the steps below to connect the feeder line Figure 2 7 RRH C2A Feeder Line Connection Diagram Caution for connecting Feeder Line Connector When connecting the feeder line between RRH C2A RF port and RF antenna each port and the feeder line connector should be secured by 200 kgf cm torque to minimize influence of PIMD RRH C2A RF Antenna A B ...

Page 43: ...nsert a heat shrink tube jelly type to each end of the installed 1 2 inch feeder lines then connect a din male connectors to the RRH C2A s RF port and the RF antenna port 3 After installing the connector shrink the heat shrink tubes using a heat gun Figure 2 8 Connecting RRH C2A Feeder Line 1 Detail A Din Type Male Connector Heat Shrink Tube Jelly Type 1 2 in Feeder Line ...

Page 44: ...r Line Connector When connecting the feeder line between RRH C2A RF port and RF antenna each port and the feeder line connector should be secured by 200 kgf cm torque to minimize influence of PIMD Detail B Antenna Connector Din Female 1 2 in Feeder Line Heat Shrink Tube Jelly Type RF Antenna Din Type Male Connector for 1 2 In Feeder Line ...

Page 45: ...ning rod The protection angle of the lightning rod should be 45 degrees Finishing Heat Shrink Tube of a Sector Antenna 1 Insert an antenna protection plate 2 Place the heat shrink tube on the connection point and shrink the heat shrink tube using a heat gun 3 Avoid aiming the heating gun toward the antenna s body as shown in the figure below Lightning rod 45 45 RF Antenna Heat Shrink Tube Jelly Ty...

Page 46: ...s been established with the career the established standard will take precedence Identification tag installation Attach the identification tag in the below table to the feeder line Table 2 2 GPS Identification Tag of Feeder line Category Description Installation position Attach the identification tag to the both ends of the antenna Materials Use the material of aluminum coated by vinyl for the ide...

Page 47: ... Connecting RET cable Follow the steps below to connect the Remote Electrical Tilting RET cable used to control the tilting angle of the antenna from the distance Figure 2 10 Connecting RET cable RET Connector SAMWOO SU 20SP 8P Heat Shrink Tube Jelly Type Black RET Cable Shield Cable ...

Page 48: ...e Connector Pin Map RET Connector Samwoo SU 20SP 8P Pin Function 3 RS485B 4 DGND 5 RS485A 6 28 V 7 28 V RTN 1 2 8 NC RET When 28 VDC volts are applied the current supplied to the RET from RRH C2A must be lower than 1 A The exterior of the RET connector must be made of metal without vent hole or other UL certified material ...

Page 49: ...ll the 6 mm2 pressure terminal and the heat shrink tube at the end of the cable 3 Place the pressure terminal at one end of the ground cable of RRH C2A aligning with the fixing holes and fix it using M6 SEMS When being secured by screw apply 38 16 46 64 kgf cm torque Figure 2 12 Connecting RRH C2A Ground cable M6 x 12L SEMS Ground Cable AWG8 GV 6 mm 2 1C From MGB Main Ground Bar Detail A Heat Shri...

Page 50: ...Ex Manufacturer Panduit RRH C2A 6 mm 2 Type Name LCD8 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 Check the position of the coaxial cable through the inspection window of the pressure terminal before compressing it with a compressor ...

Page 51: ...ull up the tower E F Figure 2 13 Installing Hybrid cable 1 A Use a crowbar to open the wooden box cover After opening the cover ensure to remove the remaining nails as they may cause injury B Hold both ends of the hybrid cable and lift it out of the box Tape the power cable and optic cable separately at 1 m interval Also tape the exposed optic connector to prevent damage 1 m Tape 1 m Cover Crowbar...

Page 52: ...Co Ltd Figure 2 14 Installing Hybrid cable 2 C Take the cable out of the box paying attention not to impact the junction box and the jumper cable Be careful not to drag the jumper cable on the floor D Lay the hybrid cable on the floor Junction Box Jumper Cable ...

Page 53: ...2 15 Installing Hybrid cable 3 E Install pulling wire to the 1m point of RRH side hybrid cable s junction box breakout point bottom Wind the pulling wire by 7 times or more to the 1 m or more length of hybrid cable Junction Box Breakout Point Min 1 m Pulling Wire Min 1 m 1 2 3 4 5 6 7 ...

Page 54: ...on box when lifting the hoist Maintain hoisting wire in a straight line separate the RRH side cable s curve from the hoisting wire with 150mm or more distance And fix cable and wire with cable tie When lifting the hoist be careful not to apply tension to other areas of the hybrid cable except where the pulling wire is attached Max 1 m Junction Box Breakout Point Pulling Wire Hoisting Wire Max 1 m ...

Page 55: ...er sheath will be peeled when positioned in the conduit fitting 2 Using a knife peel off the heat shrink tube that binds the cables together 3 Pull the peeling wire in the inside of the hybrid cable s double layer sheath down to the previously marked area 4 Peel off the hybrid cable s sheath 5 Peel off the aluminum foil wrapped around the inner cable 6 For all power cables leave 1000 mm from where...

Page 56: ...ing the system s inner right wall up to the UADU 0 side and bind using a cable tie 14 Connect the connector of the optic cable to UADU s designated port Loop the optic cable s excess length respecting the bending radius R 110 mm and arrange it at the bottom of the DC power terminal Be careful not to damage the optic cable during other works Figure 2 17 Peeling off the Hybrid Cable Sheath Knife 1 U...

Page 57: ...0 turn the RRH power terminal s screw counter clockwise 2 to 3 times 6 Insert the power cable to the terminal according to its usage and polarity then fasten the screw 7 Bind two cables 48 V RTN at 100 mm from the terminal using a cable tie 8 Bury the optic cable following the system s inner right wall up to the UADU 0 side and bind using a cable tie 9 Connect the connector of the optic cable to U...

Page 58: ...pe 48 V Red Black Blue Brown RRU 0 RRH DC SPD Terminal Alpha RRH DC SPD Terminal Beta RRH DC SPD Terminal Gamma Reserved Reserved Reserved 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN 48 V RTN F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 Breaker F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 RRU RRU 0 RRU 1 RRU 2 RRU 3 RRU 4 RRU 5 RRU 6 RRU 7 RRU...

Page 59: ...ure 2 21 Connecting Hybrid cable 4 RRH_ α Power Cable Conduit 4 Gamma Conduit 3 Beta Conduit 2 Alpha RRH_ β Power Cable RRH_ γ Power Cable RRH SPD Terminal 20 A 32 A Space for the remainder of RRH CPRI Cable RRH Interface Connector LC PC RRH Interface CPRI Cable Hybrid Cable L9CA B4T_ 2 L3 5 Port CPRI Cable Connection ...

Page 60: ...and etc to prevent entering of any foreign substance external air and moisture Unused cable insertion hole Finish cable insertion hole using fishing materials such as dust cap rubber packing and etc Cable installed insertion hole After installing cable finish insertion hole using tape compressed sponge rubber packing silicon etc to prevent empty space Space for the remainder of RRH CPRI Cable CIMA...

Page 61: ...ble AWG8 Follow the steps below to connect the power cable to RRH C2A 1 Unscrew the power window cover fixing screw located at the rear bottom of RRH C2A using a Torx T20 screwdriver The cover fixing screw is designed to remain attached to the cover Figure 2 22 Connecting RRH C2A power cable 1 Cover Fixing Screw T20 Install Window Cover ...

Page 62: ...able AWG8 3 Caution for installing the power cable To maintain cable gland s rain protection performance 300 mm or more interval should be kept straight According to the radius of curvature of the cable specification should be considered Caution for cutting the power cable Cut power cable after installing power cable to RRH C2A power terminal taking into account the radius of curvature according t...

Page 63: ... cable input hole then install within the power window Make sure that the power cable s unsheathed part is inserted only as far as the protruded section inside the rain protection sponge 8 Turn the screws On the power terminal block 8 times or more by the opposite direction of clockwise rotation So clamp of the bottom must be moved down completely 9 Inset power cable Sheath is stripped with the co...

Page 64: ... Figure 2 25 Connecting RRH C2A power cable AWG8 4 Power Terminal Block Fixing Screw RTN 48V Bracket Fixing Screw Torque Max 5 1 kgf cm Power Cable 48V Black RTN White Black strip Power Cable Bracket RTN 48V 5 mm Heat Shrink Tube 48V Blue RTN Red Power Cable Bracket ...

Page 65: ...er and fix screw T20 by 12 0 kgf cm torque 13 Fix external power cable and external power cable support bracket of the RRH C2A with the stainless steel tie Installing the Circuit Breaker To ensure stability in power supply a circuit breaker must be installed on the power cable connected to the rectifier or power distributor Capacity of 48 VDC circuit breaker is 32 A ...

Page 66: ...nnect the CPRI cable for the interface between RRH C2A and UADU 1 Unscrew the optic window cover fixing screw located at the front bottom of RRH C2A using a Torx T20 screwdriver The cover fixing screw is designed to remain attached to the cover Figure 2 34 Connecting RRH C2A CPRI cable 1 Cover Fixing Screw T20 Install Window Cover ...

Page 67: ...uipment through the optic cable input hole then bury within the optic window Insert the optic connector to the SFP module Maintain the optic cable s minimum bending radius of R 20 mm to preserve the cable performance and prevent damage 5 When the connection of the optic connector is complete allow approx 10 mm of the optic cable s sheath in the box insert the rain protection sponge in the gland ho...

Page 68: ...SUNG Electronics Co Ltd Figure 2 35 Connecting RRH C2A CPRI cable 2 Table 2 5 CPRI Cable connection configuration Cable Color Blue Orange Green Brown Gray Port Optic 0 LTE 0 Optic 1 CDMA 0 Spare Spare Spare Optic Cable Single Mode Optic1 CDMA0 ...

Page 69: ...ed in the system emit bright laser beams Always handle them with care as there is risk of serious injury if the eyes are exposed to the laser beam of the optical cable RRH C2A optic cable connection standard Cable connection standard between UADU CPRI port and RRH C2A optic port is different according to the count One or two of CDMA UADU Installed in DU cabinet Connect the optic cable Refer to the...

Page 70: ...emaining length of the cable after connecting the hybrid cable power cable CPRI cable to RRH C2A 1 Loop the excess length of the power cable and CPRI cable and attach to the RRH C2A fixing pole using a cable tie Ensure to respect the optic cable s bending radius of R 110 mm 2 Bind the power cable and CPRI cable together with the feeder line using a cable tie Figure 2 36 Remaining length of Hybrid ...

Page 71: ...nd Tie the cables to the pole 500 mm below and 500 mm above the box To stabilize the cables near the junction box s cable input and output holes Figure 2 37 Remaining length of Hybrid cable 2 Pole Junction Box Breakout Point Hybrid Cable from DU Cabinet Power Optic Cable to RRH C2A Cable Tie Stainless steel Band 500 mm Cable Tie 500 mm Stainless steel Band ...

Page 72: ...tronics Co Ltd 4 Bind the spare cable to the pole with its waterproof cap facing up Loop the cable s remaining length and bind it to the pole below the cap Figure 2 38 Remaining length of Hybrid cable 3 Pole Water proof Cap Cable 여장 Cable Tie Cable Tie ...

Page 73: ...essed as follows 1 Execute the off of the breaker RRH C2A power in the DU cabinet is connected Make sure that the DC resistance between the 48V RTN is over tens of kilo ohm kΩ 2 Make sure that the DC resistance between the RTN of Terminal block and RRH C2A frame is no greater than 10 Ω The ground cable must be installed at DU cabinet and RRH C2A 3 Execute the on of the breaker RRH C2A power in the...

Page 74: ...k poor contact Tightening status Other appurtenant work Cable duct installation and others Visual inspection Power Acceptance Equipment s power cable specification Visual inspection Rectifier System Visual inspection Cabling Status Visual inspection for twisted or entangled status Damage of cable sheath Visual inspection System power connector Visual inspection to check whether the power connector...

Page 75: ... Various TAG Status Feeder Line tag Visual inspection Content Length LOSS value position Power cable tag Visual inspection Ground table tag Visual inspection Attachment status of the label for the real name construction system Indoor wall side of the gate side Outdoor inside of the cover of the distribution box Visual inspection size material etc Cable duct bolt connection status Visual inspection...

Page 76: ......

Page 77: ...n the position specified in the drawing Install the antenna not to make a feature change of the antenna considering the direction of the radiation When connect the connector to the antenna not making the alien substance flowed and is not under the influence of PIMD Measure VSWR of all antennas and the value should be within the regulated value A 2 Sector Antenna Layout The method of sector antenna...

Page 78: ...clamp adjust the antenna up down tilt depending on the signal strength The bolt of the guide clamp must be loosened so the antenna angle can be adjusted 4 After setting the antenna angle fasten the bolt of the guide clamp which was loosened previously Regarding the nut the double nut mounting should be used to prevent the nut from coming loose Figure A 1 Sector Antenna Antenna Input Port Pole Main...

Page 79: ......

Page 80: ...in such a manner that the potential for human contact during normal operation is minimized In order to avoid the possibility of exceeding the FCC radio frequency exposure limits human proximity to the antenna should not be less than 500cm during normal operation The gain of the antenna is 14 dBi The antenna s used for this transmitter must not be co located or operating in conjunction with any oth...

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