User Manual
Contents
1. L F Dedeli Hai Enable ila Stake Ponar Cree naike pa MEA cb Site Tal in Site v ied fd Zl Pan ut Alara Lni EF Parameters setting refer to OMT in detail 8 7 3 Repeater Commissioning The curve about device working status 19 Repeater User Manual P Output Power Critical stable point Pinput Power VATT gt lt gt lt gt Green LED linear Orange LED Red LED Equipment amplification area Stable work area 9Verload zone Output power input signal and their attenuation curve Poutput Power Output Power Pinput Power Input Power Varr Attenuation value of attenuator Pinout Power VATT Input Power Attenuation value of attenuator Pmax Rate output power Downlink gain setting First the alarm LED only indicates the downlink input power level here we use color of Alarm LED to adjust the gain of the repeater As for the downlink working performance Alarm LED of Green color and with the intention of turning orange is a good working point here we refer as edge point At this time downlink output power and coverage effect are stable And the equipment must be as far as possible away from overloading status of red the equipment would hold higher interference and depression ability at this stage So we try our best to2. 80008 cobo ee 00650 v 990585905 999 99 0000000 eo ee eu ee ee eee E d t Web site www huaptecus com po Designed and Produced By Huaptec Address 6210 Belt Line Rd Ste 110 Irving TX 75063 Phone 972 870 5666 E mail infotphuaptecus com
3. input power level if the system detects signal oscillation in either band or if the input signal is beyond a safe limit Below diagram shows how simple and fast DS20 27 5S repeater system is installed and works effectively One donor antenna has been installed at the top of the roof to pick up good mobile signals from outside and send through a 5D FB cable to a 0 20 27 5 repeater to be amplified significantly then the output signals are divided into two signals or more by splitters and couplers sent a few indoor omni antennas and 4 Repeater User Manual finally transmitted into the coverage area Very clear phone call or high speed mobile data services immediately affected within the area Donor Antenna S X CellTower 5 Be ine s lt P dr Mobile Data d i gt HE c 7 Panel Antenna 4 System Characteristics 4 1 Features Support quint systems Has MGC and AGC function Uplink noise suppression function Excellent out of band rejection Module structure good reliability and easy maintenance With Local and Remote monitor function Good heat dissipation for longevity Wide power supply range and low power consumption High integration One board to contain low noise amplifier frequency selection module power amplifier module both uplink and downlink one for all Manual gain control provide
4. installed in the center and radiate all directions 3 It is better to use a directional panel antenna or Yagi when the coverage shape is long and narrow corridors long row of houses in two sides tunnels or elevators or rural open space 16 User 8 6 Repeater Installation 8 6 1 Installation Steps Drill holes on the selected place and install expansion bolts Align the holes on the installing support with the expansion bolts keep the installing support vertical place flat washers spring washers and nuts in turn and tighten the nuts to fasten the installing support Place the repeater on the support and fasten it Connect cables and power cables to the repeater respectively After installing the repeater as described as above power on the repeater to check the operation status pore MT m Ll 317 jn d M E p MN u c Repeater User Manual 8 6 2 Repeater s ports description 1 port connected with the BTS sector by cable 2 MS port connected with server antenna directly or by cable 3 ACIN connected with power supply BTS Port p 184 1 un MS Port AC IN Port 1 d m 86665 8 6 3 Accessories selection Please pay attention to the two points of frequency and impedance during the selection of the accessorie
5. set the equipment near edge point of green and intention of turning orange during engineering Setting of edge point Switch on the power supply after connection with donor antenna and server antenna and observe ALARM LED Repeater User Manual If it shines orange use 1dB as step to reduce the gain until green turns on then increase the 1 3dB attenuation value until orange starts to turn on then brings back 1 2 till green is on then fix the gain and the repeater s downlink output power reaches the perfect status n If it shines green then check whether the attenuation value has been set if it is use 1dB as step to increase until the orange turns on then brings back 1 2 till green is on again then the repeater s downlink output power reaches the perfect status u Butif attenuation is not set it indicates that the input power is not enough lt hen please check coverage effect first if the coverage effect is good the engineering has reached expecting target IA But if the coverage effect is not good the donor antenna should be adjusted to get a stronger signal until orange intends to turn on or the effect reaches the target At this stage please make sure Orange color is not generated by self oscillation Please take off the server antenna to test if it is self oscillation or not if the Orange turns to be Orange it is self oscil
6. temperature of working can affect the reliability of repeater So temperature humidity dust interference power space requirements and other factors should be considered during installation of repeater 8 1 Installation Location Requirement Itis appreciated that the repeater is installed in a cool dry and ventilated room without erosive gas and smoke and without leakage on its proof Besides above and ventilated wall of which sun proof and waterproof is expected CD Besides above wall tower high pole 1 Installation height should be easy for RF cable wiring heat dissipation security and maintenance Have a set of independent and stable power supply O Have lightning conducer in the building tower or high pole with enough strength or stability 10 Repeater User Manual 8 2 Power requirement Generally it is AC power supply and the requirement of AC is 90 264VAC 50 5Hz 8 3 Installation tools and accessories Specificati Quantity on Plastic 1 5 24 Standard accessories Expansion Bolt Tapping screw M3 30 Standard accessories Engi ing d h 4 reciprocating drill 1 ngineering owned punc the wall Engineering h Shot bit M3 1 ngineering owned punc the wall 8 4 Installation of donor antenna The repeater s main function is to improve weak signals to an area A simple formula Input power Gain Output power The signal s
7. HUAPTEC We Improve Your Mobile Signals Digital Repeater 0520 27 55 be 5 m ir d N E 5 Repeater User Manual 1 Safety Warnings 3 2 Why repeater 4 2 1 Reason 4 3 Introduction 4 4 System Characteristics 5 4 1 Features 5 4 2 Appearance of 0 20 27 5 repeaters 5 5 Block diagram and work principle 6 6 The repeater system 8 7 0520 37 55 Main technical specification 9 7 1 Mechanical specification 7 2 Environment Conditions 7 8 technical specification 8 1 Requirements for adapters 10 9 Installation 10 9 1 Installation Location Requirement 10 9 2 Power requirement 11 9 3 Installation tools and accessories 11 9 4 Installation of donor antenna 11 9 5 Indoor antenna installation 16 9 6 Repeater Installation 17 8 6 1 Installation Steps 17 8 6 2 Repeater s ports description 18 8 6 3 Accessories selection 18 9 7 Repeater Settings 18 8 7 1 Switch on power 18 8 7 2 Parameters setting 19 8 7 3 Repeater Commissioning 19 9 8 System Test 21 8 8 1 Check whether the coverage is good 21 8 8 2 Repeater can not communicate in Power ON status 23 9 Hotline fH IRIE FE Preface Repeater User Manual This user s manual describes the installation commissioning and maintenance of DS20 27 5S repeaters Please do read the user manual carefully before installing and maintaining 0 20 27 5 repeaters The information in thi
8. as the duplexer is composted of one pair of band pass filter that can not only reject the spurious interference but also increase the isolation of Uplink and Downlink LNA LNA is the first active sub system of the repeater of which low noise and high linearity is requested under strong input signals LNA is the major sub system that determines the noise figure of the repeater system FPGA Field Programmable Gate Array to process the digital signal transferred from analog signal PA The power amplifier sub system helps the repeater to reach its targeted output power linearity of which decides the linearity of the repeater Power supply is to supply power electricity to all repeaters modules Repeater User Manual 6 The repeater system Cell Tower Donor Antanna Donor Antenna y 5 gt 7dbi outdoor panel or 7 9dBi wide band Yagi are recommended as donor antenna y Function Pick up donor signals from the BTS and send to the repeater by cable the received signals power level and quality influence a lot on the coverage effect Donor antenna also transmits the uplink signals from the repeater to BTS Server Antenna 2 3dBi indoor omni ceiling or 5 7dBi indoor panel are recommended y Omni antenna Indoor ceiling omni antenna or whip antenna suitable to installed in the center and radiate all direction It is better to use a directional panel antenna or Yagi when the coverage shape is long an
9. cles Such as wall 2 he repeater s power is on but the phone is not connected into the network and still can not communicate y Reason 1 There are loose or wrong connections in the repeater system lt Solution Please try to fasten the connections between the different parts of the system y Reason 2 The signals received by donor antenna of other operators nearby are too strong For example the other operators signals are 10 dB stronger than the needed signals Solution 1 Change the direction of donor antenna or its installation position so that the gap of signal strength between operators is reduced IA Solution 2 Use barriers like buildings to block signals of other operators 09 d es 9 e 2000 hee 006 0200060 ALEE JE te es e 0006 000 TOTU 6686 PEE SE LE LE LE A OS v PO C 206 9999959990959 11111111111111 999950950089 0060060600666 See CREPES F tototo ototo os EER ESTER EEE EER EE ET Eg SE 290000000 200000 PB 0000000000666 11111111111111111111117 LAE 02000 00200 90000000 t 8638666 D cose amp 0060 esee esos 00026006066 P 2000065 2000600000600 6 wbb
10. d narrow corridors long row of houses in two sides tunnels or elevators or rural open space Cables LMR 300 or 400 50 or 8D FB coax cables are recommended Splitters or couplers when the building structure is too complicated or there is big loss due to thick walls etc splitters or couplers shall be used so that more antennas can be installed in more areas to distribute the signals to each corner of the coverage area Power Box including electricity meter air switch and groundings some sites might need surge arrestors Repeater User Manual 7 0520 37 55 Main technical specification CELL 824 849MHz 869 894MHz PCS 1850 1910MHz 1930 1990MHz Frequency AWS 1710 1755MHz 2110 2155MHz Range LTE A B 704 716 MHz 734 746 MHz LTE C 776 787 2 746 757 MHz 0 20 65dB 0dB Max Gain DS23 TOdB 75dB DS27 5 5 DS20 15dBm 20dBm 15dBm 23dBm gt 20dBm gt 27dBm lt 3 6dB as per sub band Gain Flatness lt 298 83 BANHe Mechanical Specifications Standard 9 Repeater User Manual Operating Temperature 26oC 55oC Environment Conditions IP40 Dimensions 19 7 9 3 5inch 482 200 90mm Weight x 22lbs 10KG Power Supply Input AC90 264V 7 1 Requirements for adapters SN Item Minimum Typical Maximum value 60W 3 Total Power Consumption 8 Installation 0 20 27 5 repeater should be used to cover the area indoor and the humidity and
11. ed the main directional angle should point to the tower antenna If the performance is poor due to weak signals or poor phone call quality after installation please adjust the direction of donor antenna or change its installation position in order to obtain the best calling effect Donor antenna installation Notes Donotinstall the donor antenna during the rainy day with lightning Please follow the instructions to install the donor antenna It is a must that the waterproof shall be done to connectors of donor antenna and feeder lines In order to avoid interference please note that the donor antenna should be far away from the following objects Metal High voltage line IA IA RF antenna IA High voltage transformer Repeater is a two way signal amplifier So proper isolation between donor antenna and server antenna is necessary in order to avoid self oscillation About the definition for self oscillation take MIC and loudspeaker for example if it is too close for each other it could make big noise So the repeater can run smoothly if the isolation between donor antenna and server antenna is 15 dB higher than the gain of booster For example if the repeater gain is 60 dB then the isolation between donor antenna and server antenna should be 75 decibel 12 Repeater User Manual n The minimum distance between donor antenna and server antenna is 10 meters again the direction of donor and server anten
12. er than the second for professional engineering reference only Cable layout and connector assembly 1 Keep the type specifications routing direction location and curvature radius of cables in compliance with the design requirement Place cables in good order bend them smoothly and protect the outer skin against any damage 2 Bind cables in good order when laying them on cable racks Keep cables within cable troughs without any cross when you do not bind them When leading cables in or out of troughs use a hole opener to open cable troughs and then install PVC lock nuts to protect them 3 Keep horizontal cables straight and fasten them stably with a fixing clip every 1 to 1 5 meters witha proper stress 4 Bind and fasten vertical cables every two to three meters to avoid damaging cables or connectors owing to their own heavy weight Take back the cables and re lay them when you have difficulty in pulling them and avoid using a strong force to pull them 5 Separate RF cables from power cables Take proper isolation measures if they have to be placed on the same cable racks owing to the site condition restriction 6 Correctly fasten all connection parts of the whole system from the antenna to active interfaces to passive interfaces and keep electrical interfaces well contacted Give waterproof treatment to outdoor connection parts 7 Take lightning protection measures for the antenna and feeder system in accordance
13. ere are dropped phone calls accordingly 3 Elevators and basements are well known blind areas 4 Downtown areas of the cities congested with many high rise buildings are usually the weak or blind areas 3 Introduction DS20 27 5S full duplex mobile communications repeater from Huaptec is the perfect solution for providing a wireless improvement in the cellular reception of a home office restaurant VIP Room apartment building or shopping mall in the quickest time possible One repeater covers 5000 to 60000 square feet It is designed to improve the call quality of an area by receiving amplifying and re transmitting signals of the base station into a specified area via the server antenna of the repeater This repeater has Manual Gain Control MGC feature that enables engineers to reduce the gain of the repeater manually if oscillation is detected or too strong input power level during installation this will help to get the best coverage effect without any interference back to mobile network And to maintain safe and specific output signal levels during the repeater s operation this repeater has a built in signal oscillation detection circuit to adjust the gain automatically so as to avoid interference to the cellular network also it gets color changing LED s indicate its environmental status the Alarm LED s located on the front of the unit Alarm Low amp Alarm High will change color from green to orange or red depending on the
14. ice antenna Check the signal 2 increase the number of service strength is fit antenna 3 reduce the attenuation values 4 increase the output power 1 Mobility Service antenna 2 increase the number of service antenna 3 reduce the attenuation values Check call quality 4 increase the output power Completion Remark lt Reduce the attenuation values at the same time must ensure the Isolation Increase the output power recommended ways adjust the donor antenna increased input signal strength 9 Repeater User Manual 8 8 2 Repeater can not communicate in Power ON status The power 1 on but there is signal fluctuation 1 The power is on but it has a signal fluctuation or a flash signal The phone call can not achieve It shall be caused by the insufficient isolation between donor antenna and serve antenna Please take below measures y Firstly check whether the alarm LED becomes red The red light shows the insufficient isolation oecondly adjust the antenna directions or locations or enlarge the distance between them y Thirdly reduce the repeater s by ATT DIP if the above methods don t work The best minimum distance between donor antenna and serve antenna should be more than 10 meters The following measures can also be tried y Use the roof of the building to enlarge the isolation Please try to place the donor antenna and server antenna in different floors y Use some obsta
15. lation if it stays as Orange it is not self oscillation Uplink gain setting Standard uplink attenuation values downlink attenuation values Remark Keep in mind that you do not want to have more than a 5dB difference between the uplink and downlink values for optimum system performance and it is better to keep the same attenuation value of Uplink with that of Downlink 8 8 System Test 8 8 1 Check whether the coverage is good 1 Haveatest with mobile phone or data card engineering mobile phone is preferred If the signals in most areas have not been improved please check below again u The weak input signal leads to the low output power Change the direction of donor antenna or Its installation position or replace donor antenna with higher gain to increase input signal power level u Check whether it is necessary to add more server antennas due to barriers whether the repeater s UM Repeater User Manual u Power is enough please install more server antennas or change with a repeater with higher power level 2 If the signals in small part of the areas have not been improved please check below Check whether the service antenna is installed correctly or not you may try to move the antenna location improve coverage Check if it is necessary to use a directional antenna Check whether it is necessary to add one or more antenna to enhance the coverage of special areas Test coverage 1 Mobility Serv
16. nas shall be opposite As shown in the below illustration the booster amplifies the signal R and signal T from the tower at the same time If the distance between donor antenna and server antenna is less than the required distance then the amplified signal R T will back to server antenna donor antenna So it will lead to self oscillation and reduce the coverage area also the bad calling quality could happen at the same time pe r i Base slaian Duldaor antenna Py _ a L TT m Hen Bhopsbsr Inder Endocr Gallu lar Phone If isolation can t be achieved by the limited distance the roof of the building or other barriers can be used to increase isolation n Installation of panel antenna as donor antenna n Installation of wide directional antenna as donor antenna zi n n Repeater User Manual Test the call quality of donor antenna Fix the donor antenna after selecting the best position and adjust slightly its height or angles in order to get the signals with suitable input power level and calling Quality System Requirement of LTE A B LTE C CDMA PCS and AWS 14 Repeater User Manual 1 The total Input power level shall be around 50dBm lowest shall be more than 80dBm 2 Test by mobile phone or data card by 3 5 times to make sure the calling quality is good in 95 of the time and no handovers 3 It is requested that the leading BCCH shall be 6dBi high
17. s All accessories shall support the repeater s frequencies from feeder line antenna and splitter to combiners etc For example the repeater s frequency is GSM900 so all the accessories must support the GSM900 frequency And the repeater s impedance is 50ohm so the accessories shall all 50ohm To use any other impedance of coax will put an extra load on your repeater shorten its life span and decrease the system performance 8 Repeater Settings Please check very carefully all cable connections are correct and firm before running operation test and then carry out following tests 8 7 1 Switch on power After power is on check firstly the alarm and power LED Status definition of POWER indicators 18 Repeater User Manual Status and Definition of ALARM indicators It is working in linearity attention Input signals may be not enough There are overloading or self oscillation strong input signals measures shall be taken It is working in linearity Grande Attention Please adjust MGC to increase the attenuation value till you find the edge point I E the Alarm LED shall stay at green color with intention of turning Orange and let the repeater work at this point Off Repeater break down 8 7 2 Parameters setting EET Geta unrzxrun iHi HH IF iesu Lagu bill Fapaahir Ine m Dain kadang Trae usea PH
18. s a variety of applications gt 50000 low failure rate 4 2 Appearance of DS20 27 5S repeaters Repeater User Manual aM Figure 1 the front view colors may differ from real products 5 Block diagram and work principle DS20 27 5S is basically a bi directional amplifier the downlink signals are received by the repeater from BTS by the donor antenna filtered by its internal duplexers and FC unit amplified by low noise amplifier LNA and downlink PA unit and then sent via the server antenna to the coverage area The bandwidth is operators working frequency only The uplink signal of mobile terminal from the coverage area is input via the server antenna then filtered by duplexers and FC unit amplified by the uplink low noise amplifier LNA and the uplink PA unit and finally sent via the donor antenna to the BTS User System 1 Module uplexer L UL System 2 Module System 3 Module L DLLNA gt e jU pleExerT L 2 UL HFA Hog 518 20400 WoL pog SI 408 Janas 0 System 4 Module isla dies m Ws Pw ux ry DC OUT modem Ac IN Eu Control unit POWER SUPPLY Ethernet Port Modules in the system diagram Combiner The main purpose of combiner is to combine quint system to share the same antennas Duplexer The main purpose of duplexer is to combine downlink and uplink to share the same antenn
19. s manual is subject to change without prior notice Opinions are welcomed about the manual improvement 1 Safety Warnings Users must follow the below principles Repeater should follow system requirement of communication equipment assure good groundings and lightning protection The power supply voltage of repeater should meet the standards of security requirement any operation shall be carried out only after cutting off power in advance Only the professional is authorized for the operation Do not dismantle machine maintain or displace accessories by yourself because in this way the equipment may be damaged or even get an electric shock gt gt gt Do not open the repeater touch the module of repeater or to open the cover of module to touch the electronic component the components will be damaged due to electrostatic Please keep away from heating equipment because the repeater will dissipate heat during operation And do not cover booster with anything that influences heat dissipation Repeater User Manual 2 Why repeater 2 1 Reason 1 Blind or weak signal areas are formed if the buildings are too far away from BTS or the buildings themselves shield or absorb the signals 2 There are too many complicated signals in the higher part of the buildings therefore ping pong switching effect has been formed and the signals fluctuate a lot there are annoying noises during phone calls and th
20. trength from the outdoor antenna directly affects the efficiency of the indoor coverage It is very important to choose the location of the outdoor antenna carefully With this in mind it is not recommended the donor antenna to be installed in an attic sii Repeater User Manual Testing the signal strength received from donor antenna mounted in site by mobile phone Please select the top of the building to install the donor antenna if the total floors are less than 7 and must select a place like balcony or platform lower than 7th floor for the donor antenna if the buildings are over 7 floors The mobile phone shall display full bar signals in location where the donor antenna is installed The phone calls or data transmission are smooth and stable by 3 times testing in location where the donor antenna is to be installed As shown from the above illustration testing the signals from A to E and select a best place that displays full bar signals to install the donor antenna Selection the installation direction of donor antenna The donor antenna shall point to the direction of the tower and it would be much better to keep line of sight Please select the opposite directions for donor antenna and server antenna If donor and server antennas have to be installed in the same direction please install them only after the signal quality is tested and the self oscillation is avoided If the directional antenna is select
21. with the design requirement Avoid deforming the antenna feeder where grounding clips are placed and give waterproof treatment to the feeder 8 Keep exposed indoor cables in good order Install PVC troughs or tubes if the exposed cables are more than 1 meter long Place small passive RF parts such as power splitter in cable troughs 9 Process both ends of RF coaxial cables as follows Keep the same redundant cable length and keep the length of stripped cables to agree with the corresponding connectors Use a proper force to cut the jacket layer or insulation layer and avoid damaging the braid shielded net and cores Weld cores firmly and smoothly with a proper amount of solder without solder projections or nodules Assemble coaxial cables strictly in accordance with the installation specifications Keep a moderate length of heat shrinkable tubes and heat shrink the tubes evenly when adding User heat shrinkable tubes to the end of cables Protect the ends of cables against water and dampness Use waterproof tape to give waterproof treatment to exposed cable ends Cut off the end if it is dampened or water soaked 8 5 Indoor antenna installation Proper antennas shall be selected according to the site conditions and the requirement 1 Indoor panel antenna suitable to be installed in the corner and radiate to other side 2 Omni antenna Indoor ceiling omni antenna or whip antenna suitable to
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