Related Manuals for Comba Telecom CriticalPoint UHF DAS
Summary of Contents for Comba Telecom CriticalPoint UHF DAS
- Page 1 CriticalPoint UHF Public Safety DISTRIBUTED ANTENNA SYSTEM USER MANUAL Public Safety UHF DAS System QE: 1-0-0 Comba Telecom Network Systems Limited...
- Page 2 The information contained herein is the responsibility of and is approved by the following, to whom all enquiries should be directed: This is an unpublished work the copyright in which vests in Comba Telecom Network Systems Limited ("Comba"). All rights reserved.
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Page 3: Table Of Contents
INSTALLATION GUIDE FOR UHF DAS CONTENTS Section Page CONTENTS ............................3 INDEX TO FIGURES AND TABLES ....................5 HISTORY ............................6 GLOSSARY OF TERMS ........................7 SAFETY NOTICES AND ADMONISHMENTS ................8 GENERAL INFORMATION ......................10 EQUIPMENT DESCRIPTION ......................12 SYSTEM DIAGRAM ........................ - Page 4 INSTALLATION GUIDE FOR UHF DAS MAINTENANCE ..........................38 APPENDICES ..........................39 APPENDIX A: TOOLS ........................39 APPENDIX B: DECLARATION OF HARMFUL SUBSTANCES AND CONTENT ....40 APPENDIX D: RMA (RETURN MATERIAL AUTHORIZATION) ..........41 ENU STATUS : 1-0-0 Copyright - refer to title page Page 4...
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Page 5: Index To Figures And Tables
INSTALLATION GUIDE FOR UHF DAS INDEX TO FIGURES AND TABLES Figure 1: Master Unit (MU) ............................. 10 Figure 2: Expansion Unit (EU) ............................11 Figure 3: Remote Unit (RU) ............................. 11 Figure 4: UHF PS DAS Functional Block Diagram ......................12 Figure 5: MU Equipment Connectors .......................... -
Page 6: History
INSTALLATION GUIDE FOR UHF DAS HISTORY Change No. Details Of Change 1-0-0 This manual first created and issued in Dec. 2021. ENU STATUS : 1-0-0 Copyright - refer to title page Page 6... -
Page 7: Glossary Of Terms
INSTALLATION GUIDE FOR UHF DAS GLOSSARY OF TERMS Abbreviation Definition Automatic Level Control Attenuator Base Transceiver Station Channel Cross Sectional Area Decibel Decibels relative to 1 milliwatt Downlink Donor Terminal Duplexer Fiber Optical Unit Frequency Selection Hertz Identification Intermediate Frequency Low Noise Amplifier Line-of-Sight Main Control Unit... -
Page 8: Safety Notices And Admonishments
INSTALLATION GUIDE FOR UHF DAS SAFETY NOTICES AND ADMONISHMENTS This document contains safety notices in accordance with appropriate standards. In the interests of conformity with the territory standards for the country concerned, the equivalent territorial admonishments are also shown. Any installation, adjustment, maintenance and repair of the equipment must only be carried out by trained, authorized personnel. - Page 9 INSTALLATION GUIDE FOR UHF DAS damage to the equipment but where there is a possibility of seriously impairing its performance, e.g. by mishandling or gross maladjustment. Warnings and Cautions within the main text do not incorporate labels and may be in shortened form. Disconnection of the RU RF connectors may cause damage to the equipment when power is on.
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Page 10: General Information
INSTALLATION GUIDE FOR UHF DAS 1 GENERAL INFORMATION The Public Safety UHF Distributed Antenna System (hereinafter called “UHF PS DAS”) consists of the Master Unit (MU), the Expansion Unit (EU) and Remote Unit (RU). The MU includes the MU Chassis, Power Supply Unit (PSU), and RF module. - Page 11 INSTALLATION GUIDE FOR UHF DAS Figure 2: Expansion Unit (EU) Figure 3: Remote Unit (RU) End of Section ENU STATUS : 1-0-0 Copyright - refer to title page Page 11...
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Page 12: Equipment Description
INSTALLATION GUIDE FOR UHF DAS 2 EQUIPMENT DESCRIPTION SYSTEM DIAGRAM Remark: Battery Backup Unit shown as above figure is only used as a reserved port Figure 4: UHF PS DAS Functional Block Diagram In the downlink path, the BTS signals are received by the donor antenna that is connected to the Master Unit. After the duplexer, the signals are sent to the LNA module for pre-amplification and to the digital RF integrated module for digital filtering and frequency conversion. -
Page 13: Equipment Constitution
INSTALLATION GUIDE FOR UHF DAS EQUIPMENT CONSTITUTION The typical UHF PS DAS unit consists of the following components: Power Amplifier (PA): It provides power amplification for both the UL and DL branches. Main Control Unit (MCU): The MCU is used to monitor and control the operation of the repeater. It also provides the communication interface for remote control and status indication. - Page 14 INSTALLATION GUIDE FOR UHF DAS Identifier Descriptions Power cable connector for a pre-installed power cord for connection to DC Power (e.g. DC -48V, Max, current is 8A). ALM1/ALM2 Connector for Dry contact or External alarm Used for Equipment extension wiring routing RJ45 Connector for remote connection RJ45 Connector for local WEB GUI connection.
- Page 15 INSTALLATION GUIDE FOR UHF DAS Identifier Descriptions OP1/OP2 Optical ports Connect IN1 of MU (Master Unit) Connect OUT1 of MU (Master Unit) Connect IN1 of MU (Slave Unit), this port is only used when the backup function is used Connect OUT1 of MU (Slave Unit), this port is only used when the backup function is used UL_E Connect to UL1 of next EU for cascade connection...
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Page 16: Typicla Application
INSTALLATION GUIDE FOR UHF DAS RJ45 Connector for local WEB GUI connection. Optical port, connect to Expansion Unit LED indictor PWR: ON: Power supply is normal; OFF: Power supply is abnormal. RUN: Regular Flashing: RU is working fine; OFF or Always ON: RU is not working PWR/RUN/FUNC/OP properly FUNC: Reserved... -
Page 17: Application 2: 2 Mu (Main Mu And Backup Mu) Connect 32 Rus
INSTALLATION GUIDE FOR UHF DAS 2.5.2 APPLICATION 2: 2 MU (MAIN MU AND BACKUP MU) CONNECT 32 RUS. Backup MU Main MU DL_E UL_E DL_E UL_E DL_E UL_E RU32 RF Cable UL_E DL_E Fiber Figure 9: Application 2 System Diagram 2.5.3 APPLICATION 3: 2MU (MAIN MU AND BACKUP MU) CONNECT 16RUS WITH OPTICAL FIBER BACKUP. -
Page 18: Specification Of Uhf Das System
INSTALLATION GUIDE FOR UHF DAS SPECIFICATION OF UHF DAS SYSTEM Uplink 450-512MHz Frequency Band Downlink 450-512MHz Uplink 1310 Optical Wavelength Downlink 1550 Optical Connector Type SC-APC Optical Fiber type Single Mode, WDM (single strand of fiber per Remote Units) ≤ 1.5 VSWR Number of Remote Units supported per unit 4 or 8... - Page 19 INSTALLATION GUIDE FOR UHF DAS Mechanical - MU Dimensions, H x W x D in(mm) 37.4x15.4x12.4 (950× 390× 315) Weight (without bracket) lb(kg) 77 (35) without filter, 140 (63.5) with filter -40 to -58 Power Supply 100-240/47-63Hz Power Consumption RF Connectors N-Female Operating Temperature -27 to +140 (-33 to +60)
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Page 20: Installation
INSTALLATION GUIDE FOR UHF DAS 3 INSTALLATION WARNINGS AND ALERTS Radio Frequency Energy There may be situations, particularly for workplace environments near high-powered RF sources, where recommended limits for safe exposure of human beings to RF energy could be exceeded. In such cases, restrictive measures or actions may be necessary to ensure the safe use of RF energy. -
Page 21: Site Planning Considerations
INSTALLATION GUIDE FOR UHF DAS SITE PLANNING CONSIDERATIONS 3.2.1 SITE PLANNING Site Considerations Outdoor equipment is designed to be waterproof, rainproof, and with snow protection. Temporary protection should be taken when the equipment enclosure is opened for installation or maintenance in an outdoor environment. The equipment must not be opened for installation or maintenance in bad weather (e.g. -
Page 22: Installation Checklist
INSTALLATION GUIDE FOR UHF DAS 3.2.2 INSTALLATION CHECKLIST ⚫ Working space available for installation and maintenance for each mounting arrangement. Ensure unrestricted airflow. ⚫ Ensure earth ground point is within reach of the ground wire. ⚫ Ensure a power source is within reach of the power cord and the power source has sufficient capacity. ⚫... -
Page 23: Installation Procedures
INSTALLATION GUIDE FOR UHF DAS INSTALLATION PROCEDURES 3.3.1 GOODS INWARDS INSPECTION ⚫ Verify the number of packages received against the packing list. ⚫ Check all packages for external damage; report any external damage to the shipping courier. If there is damage, a shipping agent should be present before unpacking and inspecting the contents because damage during transit is the responsibility of the agent. -
Page 24: Drip-Loop
INSTALLATION GUIDE FOR UHF DAS ⚫ Install the Mounting Rack to the wall. ⚫ Hang the equipment and secure the enclosure to the mounting rack. Mounting Rack Expansion Bolt M10X110 Chassis M8X25 , Hexagon Head , Flat Gasket , Pad Pylons Screw Wall Figure 12: UHF PS DAS (MU and RU) Wall Mounting... - Page 25 INSTALLATION GUIDE FOR UHF DAS Figure 13: Dimension of Expansion Unit for Cabinet Mounting Cabinet installation: The installation cabinet is a standard cabinet. The size of the Expansion Unit is the equipment used in the 2U cabinet. The cabinet needs to have enough space to install the 2U cabinet, and have self-prepared structural parts with pallets and M6 buckle nuts.
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Page 26: Wall Mounting For Eu
INSTALLATION GUIDE FOR UHF DAS Figure 14: Expansion Unit Cabinet Mounting 3.3.7 WALL MOUNTING FOR EU Installation dimensions of Expansion Unit for wall mounting is shown as below: Figure 15: Expansion Unit Wall Mounting The wall-mounted installation steps are as follows: ENU STATUS : 1-0-0 Copyright - refer to title page Page 26... - Page 27 INSTALLATION GUIDE FOR UHF DAS ⚫ Remove the two mounting hangers from the Expansion Unit, adjust the direction according to Figure 9, and install it on the Expansion Unit. At the same time, install the remaining two mounting hangers attached in packing box on the Expansion Unit, as shown in Figure 16;...
- Page 28 INSTALLATION GUIDE FOR UHF DAS ⚫ The installation is complete. Figure 18: Expansion Unit Wall Mounting ENU STATUS : 1-0-0 Copyright - refer to title page Page 28...
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Page 29: Grounding
INSTALLATION GUIDE FOR UHF DAS 3.3.8 GROUNDING Ground Connection To ensure safe operation of the product, a ground (earth) connection is required. For single phase AC power source, the product must be grounded by connecting the “earth wire” of the power cord to the ground terminal of the AC supply. For operating this product with DC power systems (such as rectifiers), the product should not be connected to power systems that switch open the return lead because the return lead could function as the ground (earth) connection for the equipment. -
Page 30: Dc Power And Monitor Cable Connection Between Mu And Eu
INSTALLATION GUIDE FOR UHF DAS ⚫ Connect the negative pole of the external DC power supply to the terminal "-48V". 3.3.10 DC POWER AND MONITOR CABLE CONNECTION BETWEEN MU AND EU SW Cable SW of MU(Backup Unit) MU(Backup Unit) MU(Main Unit) Figure 20: DC power and Monitor cable connection ⚫... -
Page 31: Dc Power And Monitor Cable Connection Between Eu And Eu
INSTALLATION GUIDE FOR UHF DAS 3.3.11 DC POWER AND MONITOR CABLE CONNECTION BETWEEN EU AND EU Monitor Cable RJ45 Cable EU 2 EU 1 Power Cable Figure 21: DC power and Monitor cable connection for EU ⚫ Power Cable：OUT+→IN1+，OUT-→IN1-； ⚫ Monitor Cable：ADD_OUT→ADD_IN； 。... - Page 32 INSTALLATION GUIDE FOR UHF DAS CLOSE1 COM1 OPEN1 CLOSE2 COM2 OPEN2 CLOSE3 COM3 OPEN3 ALM2 CLOSE4 COM4 OPEN4 CLOSE5 COM5 OPEN5 CLOSE5 COM5 OPEN5 EXT ALM1 EXT ALM2 EXT ALM3 EXT ALM4 Dry contact status: Main Power Normal/Lost dry contact status: ENU STATUS : 1-0-0 Copyright - refer to title page Page 32...
- Page 33 INSTALLATION GUIDE FOR UHF DAS Pin definition of ALM and AUX connectors: End of Section ENU STATUS : 1-0-0 Copyright - refer to title page Page 33...
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Page 34: Web Gui
INSTALLATION GUIDE FOR UHF DAS 4 WEB GUI The UHF PS DAS can be monitored and controlled via the WEB GUI; use the following guide to finish system parameter setting and commissioning. WEB GUI CONNECTION Step 1: Connect the OMT port to the PC RJ45 port OF MU with the supplied RJ45 cable to set up a physical connection. -
Page 35: Web Gui Introduction
INSTALLATION GUIDE FOR UHF DAS WEB GUI INTRODUCTION After log in, the Web GUI main screen will appear. Figure 24: Web GUI Main Screen On Comba Web GUI Home Screen, there are four Menu bars: [Dashboard], [Overview], [Tools], [Device]and [Management]. The [Dashboard] Screen shows system topology diagram. - Page 36 INSTALLATION GUIDE FOR UHF DAS Figure 26: Chanel Frequency Info The page shows Sub Band Information-Class B. Figure 27: Sub Band Info End of Section ENU STATUS : 1-0-0 Copyright - refer to title page Page 36...
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Page 37: Commissioning
INSTALLATION GUIDE FOR UHF DAS 5 COMMISSIONING PRE-COMMISSIONING TASKS After equipment installation, perform the following steps before equipment powering and commissioning: ⚫ Prepare the channel frequencies. ⚫ Verify that the expected voltage, current and power levels do not violate any ratings. ⚫... -
Page 38: Maintenance
INSTALLATION GUIDE FOR UHF DAS 6 MAINTENANCE The UHF PS DAS is designed for trouble-free operation and generally does not need maintenance. Maintenance activities should only be carried out by trained personnel. Periodic inspection of the UHF PS DAS equipment(s) is recommended - the recommended tasks includes: ⚫... -
Page 39: Appendices
INSTALLATION GUIDE FOR UHF DAS 7 APPENDICES APPENDIX A: TOOLS The following are the recommended list of tools for new installation and routine maintenance. ⚫ Slotted Screwdriver ⚫ Philips Screwdriver ⚫ Ring Spanner (Assorted size: 12~20mm) Electrically operated drill and masonry drill bits 12mm ⚫... -
Page 40: Appendix B: Declaration Of Harmful Substances And Content
INSTALLATION GUIDE FOR UHF DAS APPENDIX B: DECLARATION OF HARMFUL SUBSTANCES AND CONTENT Product Name: Public Safety UHF DAS System Harmful substance and content of this product as below table shown: Harmful Substance Part Name Cr (VI) PBDE ○ ○ ○... -
Page 41: Appendix D: Rma (Return Material Authorization)
INSTALLATION GUIDE FOR UHF DAS APPENDIX D: RMA (RETURN MATERIAL AUTHORIZATION) ENU STATUS : 1-0-0 Copyright - refer to title page Page 41... - Page 42 INSTALLATION GUIDE FOR UHF DAS ENU STATUS : 1-0-0 Copyright - refer to title page Page 42...
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