28GHz 5G Wireless Optical DAS Operating Manual 28GHz 5G Wireless Optical DAS Operating Manual Document Reference Company: Fiber Radio Technologies Version: Ver 1.3 Document Status: Release 1 Issue Date: 2020. 01. Department: R&D Group 2 Author Manager: Jun Hyun, Lee PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
8GHz 5G Wireless Optical DAS Operating Manual ▪ Copyright The copyright of this manual is from FRTek Co., Ltd. This manual may not be reproduced, distributed, modified on any form without the consent of FRTek Co., Ltd Unauthorized disclosure, distribution, copying or use of the information contained in this document in whole or in part without authority is strictly prohibited. ▪ Trademark The trademarks mentioned in this manual are registered trademarks of the respective company.
28GHz 5G Wireless Optical DAS Operating Manual Revision History Version Issue Date Details of Revision Author V 1.0 Dec. 02, 2019. Original Jun Hyun, Lee V 1.1 Dec. 06, 2019. 1st Revision Jun Hyun, Lee V 1.2 Dec. 12, 2019. 2nd Revision Jun Hyun, Lee V 1.3 Jan. 08, 2020. 3rd Revision Jun Hyun, Lee Authorizing Manager This manual is produced by R&D Group 2 Printed in FRTek. PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual Contents Chapter 1. Safety & Certification Notice ..................................................................................................... 8 1.1 FCC Warning Statements ...................................................................................................................... 9 1.1.1 FCC Part 15.105 statement ............................................................................................................ 9 1.1.2 FCC Part 15.
28GHz 5G Wireless Optical DAS Operating Manual 4.2.2 Manufacturing and Processing ................................................................................................... 36 4.2.3 Material and Component ............................................................................................................. 37 4.3 Electrical Specification ......................................................................................................................... 38 4.
28GHz 5G Wireless Optical DAS Operating Manual Figures Figure 1. Network Configuration. ................................................................................................................ 17 Figure 2. DU Configuration. .......................................................................................................................... 19 Figure 3. DU Port Configuration. .................................................................................................................
28GHz 5G Wireless Optical DAS Operating Manual Used Abbreviations DAS Distributed Antenna System DU Donor Unit MDU MHU to DU interface Unit MPSU MHU Power Supply Unit MHU Master Hub Unit DRU Digital Remote Unit mRU mmWave Remote Unit GUI Graphical User Interface SISO Single Input Single Output MIMO Multiple Input Multiple Output ACLR Adjacent Channel Leakage Power Ratio ALC Auto Level Control EVM Error Vector Magnitude 3GPP 3rd Generation Partnership Project PRIVATE AND CONFIDEN
28GHz 5G Wireless Optical DAS Operating Manual Chapter 1 Safety & Certification Notice 1.1 FCC Warning Statements 1.2 Certification Notice PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual Safety & Certification Notice 1.1 FCC Warning Statements 1.1.1 FCC Part 15.105 statement - This equipment has been tested and found to comply with the limits for a Class A digital device. - These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
28GHz 5G Wireless Optical DAS Operating Manual - This system cover should be (door) securely fastened in open position, e.g. by tying it up, at outdoor work in order to prevent door from slamming due to wind causing bodily harm or damage. - Due to power dissipation, the remote unit may reach a very high temperature. Do not operate this equipment on or close to flammable materials. Use caution when servicing the unit. - Use this equipment only for the purpose specified by the manufacturer.
28GHz 5G Wireless Optical DAS Operating Manual Warning Laser radiation! Do not stare into the beam; do not view it directly or with optical instruments. Warning Please be informed that the temperature of the surface is too high. Please be careful. The label is attached to the front of the equipment and the PSU (Power Supply Unit). • FCC WARNING This equipment generates or uses radio frequency energy.
28GHz 5G Wireless Optical DAS Operating Manual 1.2 Certification Notice Specification or recommendation about Antennas is not available or not mention in this manual. As per default antennas, cables or coupling devices, contact www.frtek.com for further information. For PLUGGABLE EQUIPMENT, the socket‐outlet shall be installed near the equipment and shall be easily accessible. - FCC : This equipment complies with the applicable sections of Title 47 CFR Parts 15,22,24 and 27.
28GHz 5G Wireless Optical DAS Operating Manual Chapter 2 System Overview 2.1 System Overview 2.2 System Network Configuration PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual System Overview 2.1 System Overview 2.1.1 Overview 28GHz 5G Wireless Optic DAS is a 5G DAS(Distributed Antenna System) system to provide high quality communication and smooth data communication service indoors/outdoors. This system can service mmWave 28GHz frequency band service, and can be used for public and private facilities..
28GHz 5G Wireless Optical DAS Operating Manual - Star-Connection structure. - In-building and outdoor service. - GUI support for all system control/monitoring on network. • Low OPEX / CAPEX - Small design. - Easy installation and maintenance. 2.1.2 28GHz 5G Wireless Optic DAS Design Consideration 28GHz 5G Wireless Optic DAS is configured as below, and the model names are as below.
28GHz 5G Wireless Optical DAS Operating Manual Interface(Output) IF IF Optic Service Type Star-Connection IF RF In-building In-building /outdoor /outdoor mmWave 28GHz 5G NR In-building /outdoor X 19” Rack X 19” Rack 8 EA 4 EA (optic branch) (RF port) X PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual 2.2 System Network Configuration 28GHz 5G Wireless Optic DAS basic network configuration is as below. Figure 1. Network Configuration. This system receives 28GHz 5G base station signal at the DU wirelessly, amplifies signal and provides 5G service. This system is configured with the DU, MDU, MPSU, MHU, DRU, and mRU. MPSU is the unit supplying power to MDU and MHU. The MPSU and MDU, MHU are connected through RF cable and harness.
28GHz 5G Wireless Optical DAS Operating Manual Chapter 3 System Configuration 3.1 DU Configuration 3.2 MDU Configuration 3.3 MPSU Configuration 3.4 MHU Configuration 3.5 MDU, MPSU MHU Wiring 3.6 DRU Configuration 3.7 mRU Configuration PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual System Configuration 3.1 DU Configuration DU is created as one enclosure, and has a mounting bracket on the back side for wall installation. The DU receives 5G base station signal wirelessly and converts into 2GHz IF frequency(Downlink). Also, it converts the 2GHz IG frequency into 28GHz RF signal through coaxial cable, and radiates the 5G signal to the base station through antenna.
28GHz 5G Wireless Optical DAS Operating Manual Output Interface Mini-DIN type 2 Ports Figure 3. DU Port Configuration. Item Content ① MIMO IF signal transmit/receive port ② SISO IF signal, sync signal, 10MHz Ref.
28GHz 5G Wireless Optical DAS Operating Manual 3.2 MDU Configuration The MDU is an interface unit for DU communication and interlink, and designed to be installed on a 19 inch rack. MDU is connected with 2 coaxial cables(SISO, MIMO), the MPSU and MHU are connected with RF cable/harness. The MDU sends DC 37V voltage supplied from the MPSU to the DU as Bias-T, and sends the received IF signal from the MHU to the DU, or sends the received IF signal from the DU to the MHU.
28GHz 5G Wireless Optical DAS Operating Manual Figure 5. MDU Port Configuration. Item Content ① SISO UL signal input port ② SISO DL signal output port ③ MIMO UL signal input port ④ MIMO DL signal output port ⑤ TDD sync signal output port ⑥ 10MHz Reference signal input port ⑦ 10MHz Reference signal output port ⑧ MHU and MDU communication data transmit/receive port ⑨ DC 37V input port from MPSU ⑩ MIMO IF signal transmit/receive port ⑪ SISO IF signal and sync signal, 10MHz Ref.
28GHz 5G Wireless Optical DAS Operating Manual 3.3 MPSU Configuration The MPSU is a unit to supply power to MDU and MHU, designed to install on 19 inch rack. It inputs AC 120V power, and has DC 6V, DC 12V, DC 24V, DC 37V output voltage. DC 6V supplies to MDU through harness, and DC 12V and DC 24V are supplied to MHU through harness. And DC 37V is supplied to the MDU through coaxial cable. Figure 6. MPSU Configuration. Item Content Size 19 x 15.19 x 2.62 inch Weight Approx. 14.
28GHz 5G Wireless Optical DAS Operating Manual Figure 7. MPSU Port Configuration.
28GHz 5G Wireless Optical DAS Operating Manual 3.4 MHU Configuration The MHU is configured with modules like MDTU, MCPU, MITU. MHU is connected to the MDU with RF cable and connected to the DRU through fiber optic cable. Power is supplied from the MPSU, has AWG 6 ground terminal on the side for system grounding. Also, when using 19: enclosure it can be operated outdoors, and is designed to be small considering installation location space and installer convenience.
28GHz 5G Wireless Optical DAS Operating Manual Input Interface SMA type (SISO DL/UL, MIMO DL/UL) Output Interface SC/APC Optic connector 8-Branch Figure 9. MHU Port Configuration.
28GHz 5G Wireless Optical DAS Operating Manual 3.5 MDU, MPSU, MHU Wiring The MDU and MPSU, MHU are connected with multiple RF cables and harness. Especially when connecting power harness from the MPSU, it must be connected accurately. The MDU and MPSU, MHU cable connection is as below. Figure 10. MDU, MPSU, MHU wiring method – RF Cable. Figure 11. MDU, MPSU, MHU Wiring Method - Harness. PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
GHz 5G Wireless Optical DAS Operating Manual Warning When there is no divider between MDU and MHU, the MDU SISO UL IN / DL OUT, MIMO UL IN/DL OUT SMA port must be connected with 10dB attenuator. Warning When connecting MPSU AC In cable, check AC_L, AC_N, F.G silk and connect accurately. Warning When connecting MDU, MPSU, MHU data communication harness, you must check silk and connect as above picture.
28GHz 5G Wireless Optical DAS Operating Manual 3.6 DRU Configuration The DRU converts optic signal received from the MHU into IF signal and sends to mRU, or converts IF signal received from the mRU into analog optic signal and sends to MHU. DRU can be connected with up to 4 mRUs, each MIMO port is configured with Bias-T and supplies DC 37V to mRU. Also, sends CPU communication data and 10MHz Ref. signal, TDD sync signal, MIMO IF signal through MIMO port, and sends SISO IF signal through SISO port.
28GHz 5G Wireless Optical DAS Operating Manual Figure 13. DRU Port Configuration. Item Content ① Fiber-optic cable inserted part ② AC 120V input port ③ SISO IF signal transmit/receive port ④ MIMO IF signal and sync signal, 10MHz Ref. signal, CPU communication signal transmit/receive port Warning When installing DRU, side lugs must be grounded and permanently connected. PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual 3.7 mRU Configuration The mRU is created as one enclosure, back side is configured with mounting bracket for wall installation. mRU converts 2GHz IF frequency received from the DRU into 28GHz RF frequency and radiates 5G signal through antenna. (Downlink). Also, converts 28GHz RF signal received from UE into IF frequency and send to DRU through coaxial cable.
28GHz 5G Wireless Optical DAS Operating Manual Figure 15. mRU Port Configuration. Item ① ② Content SISO IF signal transmit/receive port MIMO IF signal and sync signal, 10MHz Ref. signal, CPU communication signal transmit/receive port ③ GUI connecting port (connect when cover is open) ④ Intenna part, RF wireless signal transmit/receive part Warning DC 37V through Bias-T must be input through MIMO port, so SISO and MIMO must be accurately distinguished when connecting coaxial cable.
28GHz 5G Wireless Optical DAS Operating Manual Chapter 4 System Specification 4.1 System Specification 4.2 Equipment Specification 4.3 Electrical Specification 4.4 Environmental Specification 4.5 Antenna Specification PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual System Specification 4.1 System Specification 28GHz 5G Wireless Optical DAS is a 2X2 MIMO equipment for US 5G NR service, and is designed to operate on mmWave 28GHz frequency band with 850MHz bandwidth. This system satisfies the following functions and performances, and for items not mentioned satisfies 3GPP performance standard..
28GHz 5G Wireless Optical DAS Operating Manual Output Frequency 27.925GHz± 425MHz 2GHz± 425MHz Input Level - -55dBm ~ -35dBm Output Level +17dBm - 10dBi 8dBi (H-Plane 30Deg, E-Plane 30Deg) (H-Plane 50Deg, E-Plane 50Deg) Antenna Gain System Delay Below 1us ACLR ≥ 28dBc EVM ≤ 8% MIMO 2x2 MIMO support (±45º polarization wave antenna) PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual 4.2 Equipment Specification 4.2.1 Structure Item Type Option DU Enclosure type In-building/outdoor MDU 19”Rack type Indoor MPSU 19”Rack type Indoor MHU 19”Rack type Indoor DRU Enclosure type In-building/outdoor mRU Enclosure type In-building/outdoor • Each unit of the 28GHz 5G Wireless Optical DAS is designed with consideration for installation location space and user convenience, and the design should be beautiful.
28GHz 5G Wireless Optical DAS Operating Manual 4.2.3 Material and Component • Passive devices used for each unit of the 28GHz 5G Wireless Optical DAS has stable characteristics on frequency and temperature change, and active devices are industrial or equivalent semiconductors, and integrated circuits are solidified devices. • Wires used for each unit of the 28GHz 5G Wireless Optical DAS are flame-retardant coated wiring with sufficient current capacity and breakdown voltage.
28GHz 5G Wireless Optical DAS Operating Manual 4.3 Electrical Specification • Power supplied to MPSU, DRU operates normally on commercial power supply (AC120/60Hz). • There is overvoltage and over current protection function for the power supply. • When after momentary power outage occurs, RF set value automatically returns to the status right before the power outage. • Equipment grounding is located on both sides of the enclosure.
28GHz 5G Wireless Optical DAS Operating Manual 4.4 Environmental Specification • No condensation traces may appear inside the unit when proceeding specified temperature and humidity test. • It should be designed to prevent internal condensation and deterioration due to humidity and internal/external temperature difference. • When proceeding specified vibration test, system performance and equipment damage should not occur.
28GHz 5G Wireless Optical DAS Operating Manual 4.5 Antenna Specification 4.5.1 DU Antenna Item Specification Frequency 27.425 ~ 28.425 GHz Gain ≥ 10dBi Remark 3dB H-plane 30 Deg. Measurement : 34 Deg. Beam Angle E-plane 30 Deg. Measurement : 34 Deg. Figure 16. DU Antenna Beam Pattern. 4.5.2 mRU Antenna Item Specification Frequency 27.425 ~ 28.425 GHz Gain Remark ≥ 8dBi 3dB H-plane 50 Deg. Measurement : 72 Deg. Beam Angle E-plane 50 Deg. Measurement : 54 Deg. Figure 17.
28GHz 5G Wireless Optical DAS Operating Manual Chapter 5 Local GUI(Graphical User Interface) 5.1 GUI Configuration PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
28GHz 5G Wireless Optical DAS Operating Manual Local GUI(Graphical User Interface) “ Chapter 5 is used to provide users operating the 28GHz 5G Wireless Optical DAS on product information and setting methods. The Repeater manager using the operation manual should have experience on repeater system structure operation and expert knowledge on repeating system. “ • GUI program is created for system control and monitoring. • GUI program uses USB-B type port configured on each equipment CPU for communication.
28GHz 5G Wireless Optical DAS Operating Manual ① Information This item shows system manufacturer information, CPU module manufacturer information , repeater ID, each unit version information. - Manufacture : Equipment manufacturer information - Control : CPU module manufacturer information - Repeater ID : Repeater ID information - Version : CPU version of unit that is seen through the GUI ② Tree List This item shows all the equipments configured on the current system.
28GHz 5G Wireless Optical DAS Operating Manual ⑤ Unit ID Setup This item can set the unit ID connected to the GUI. Only 1 DU and 1 MHU is connected but since multiple DRUs and mRU can be connected, each ID should be set differently for occasions on multiple connection. 5.1.2 DU Main Screen Figure 19. DU Main Screen. ① Information This item is configured with 'DC alarm' that can monitor status of the DC 37V supplied through Bias-T.
28GHz 5G Wireless Optical DAS Operating Manual ② mmBU This item can monitor the status of the BTU within the DU. The BTU is a module that transmit/receives voltage from the Bias-T, MDU communication data, 10MHz Ref signal, TDD sync signal. ③ mmWU This item can monitor the status of the mmWave module configured within the DU. It can monitor the communication status between CPU and mmWave module, and module insert status. Also, when the 10MHz Ref.
28GHz 5G Wireless Optical DAS Operating Manual 5.1.3 MDU Main Screen Figure 20. MDU Main Screen. ① Information This item is configured with 'DC' alarm that can monitor status of the DC 37V supplied from the Bias-T, and 'Link Fail' alarm that can check the connection status with DU. Also, it can monitor enclosure temperature status, and is implemented with 'Temp Comp' item that can set the temperature table input value applicability.
28GHz 5G Wireless Optical DAS Operating Manual ② TDD Module This item can monitor status and control TDD sync module within the MDU. When sync module extracts the sync signal the 'T-sync output' alarm is cleared. ③ RF Part This item monitors IF input signal and controls signal level from the DU and MHU. Also, it is configured with an attenuator that can compensate downlink loss of the cable connecting DU and MDU, and can compensate up to 12dB.
28GHz 5G Wireless Optical DAS Operating Manual 5.1.4 MHU Main Screen Figure 21. MHU Main Screen. ① Information This item is configured with status monitor alarm of DC power from MHU and AC input power of MPSU, and is implemented with 'Temp Comp.' item that can monitor enclosure temperature status and temperature table input value applicability. MCPU module is configured with fan, this item has the function to turn fan on/off or automatically turn on the fan when temperature.
28GHz 5G Wireless Optical DAS Operating Manual ③ DTU This item monitors overall status of the MDTU status. It can monitor status of 'LD' and 'PD' value and alarm setting per optic branch, and is configured with 'Link Fail' alarm to check MDTU 'Status' ot communication status. ④ MITU This item is configured with an attenuator that can monitor and set power level of the IF signal received from the MDU and DRU.
28GHz 5G Wireless Optical DAS Operating Manual ① Information This item is configured with 'DC' alarm to monitor status of DC 37V supplied through the Bias-T, and is implemented with 'Temp Comp.' to monitor the enclosure temperature and set temperature table input value applicability. Also, it sets mRU status, and has Bias-T DC 37V on/off switch. When there are 2 mRUs connected in the system, put 'mRU#1 Install' and mRU#2 Install' on and then can check mRU 1 and mRU 2 applied on the 'GUI Tree'.
28GHz 5G Wireless Optical DAS Operating Manual 5.1.6 mRU Main Screen Figure 23. mRU Main Screen. ① Information This item is configured with 'DC' alarm to monitor status of DC 37V supplied from Bias-T. Also, it is implemented with 'Temp Comp' to monitor enclosure temperature status, and set temperature table input value applicability. ② mmBU This item can monitor status of BTU within mRU. BTU is a module that transmit/receives voltage from bias-T, DRU communication data, 10MHz Ref signal, TDD sync signal.
28GHz 5G Wireless Optical DAS Operating Manual ③ mmWU This item can monitor status of mmWave module within DU. It can monitor communication status or module insert status between CPU and mmWave module. Also, when 10MHz Ref signal is not normal, the 'PLL' alarm within the mmWave module occurs, and when this 'PLL' alarm occurs the 'Status' item alarm turns red. ④ RF Part This item can monitor RF input signal and control signal level received from the DRU and the UE.
28GHz 5G Wireless Optical DAS Operating Manual 28GHz 5G Wireless Optical DAS Operating Manual Fiber Radio Technologies CO., LTD. All rights reserved. - Copyright ⓒ FRTek Co., Ltd. All rights reserved. - Without any authorization of FRTek Co., Ltd., the disclosure, distribution, reproduction and reuse of all or part of the information in this manual to the rd 3 party are strictly prohibited . PRIVATE AND CONFIDENTIAL © 2019 FRTEK CO., LTD.
