Related Manuals for COMBA RXA3748
Summary of Contents for COMBA RXA3748
- Page 1 CriticalPoint Public Safety BDA DIGITAL BAND SELECTIVE REPEATER USER MANUAL RXA3748/RXA3792 RXB3748/RXB3792 QE: 1-0-0 编 制： 审 核： __ 会 签： _ 标准化： 批 准： 京信通信系统（中国）有限公司...
- Page 2 CriticalPoint PUBLIC SAFETY BI- DIRECTIONAL AMPLIFIER USER MANUAL RXA3748/RXA3792 RXB3748/RXB3792 QE: 1-0-0 Comba Telecom Ltd.
- Page 3 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herein is the responsibility of and is approved by the following, to whom all enquiries should be directed: This is an unpublished work the copyright in which vests in Comba International ("Comba"). All rights reserved. The information contained herein is confidential and the property of Comba and is supplied without liability for errors or omissions.
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Page 4: Table Of Contents
INSTALLATION GUIDE FOR RX-7W22, II2 CONTENTS Section Page CONTENTS ............................4 INDEX TO FIGURES AND TABLES ..................... 6 HISTORY ............................7 GLOSSARY OF TERMS ......................... 8 SAFETY NOTICES AND ADMONISHMENTS................9 GENERAL INFORMATION ......................10 EQUIPMENT DESCRIPTION ....................... 14 FUNCTIONAL BLOCK DIAGRAM ....................14 EQUIPMENT LAYOUT ........................ -
Page 5: Contents
INSTALLATION GUIDE FOR RX-7W22, II2 APPENDIX D: TROUBLESHOOTING QUICK GUIDE ............. 46 APPENDIX E: DEVICE REPORT EXAMPLE ................49 APPENDIX F: RMA (RETURN MATERIAL AUTHORIZATION) ..........50 ENU STATUS : 1-0-0 Copyright - refer to title page Page 5... -
Page 6: Index To Figures And Tables
INSTALLATION GUIDE FOR RX-7W22, II2 INDEX TO FIGURES AND TABLES Figure 1: Front, Side and Bottom Views of the PS BDA Enclosure ..............10 Figure 2: PS BDA Functional Block Diagram....................14 Figure 3: Layout of the PS BDA ........................15 Figure 4: Mounting Rack Overview ........................ -
Page 7: History
INSTALLATION GUIDE FOR RX-7W22, II2 HISTORY Change No. Details Of Change 1-0-0 This manual first created and issued in May. 2020. ENU STATUS : 1-0-0 Copyright - refer to title page Page 7... -
Page 8: Glossary Of Terms
INSTALLATION GUIDE FOR RX-7W22, II2 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 Frequency Selection Hertz Identification Intermediate Frequency Low Noise Amplifier Line-of-Sight Main Control Unit Megahertz... -
Page 9: Safety Notices And Admonishments
INSTALLATION GUIDE FOR RX-7W22, II2 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 10 INSTALLATION GUIDE FOR RX-7W22, II2 WARNING! Use only authorized and approved antennas, cables and/or coupling devices! The use of unapproved antennas, cables or coupling devices could cause damage and may be of violation of FCC regulations. The use of unapproved antennas, cables and/or coupling devices is illegal under FCC regulations and may subject the user to fine.
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Page 11: General Information
INSTALLATION GUIDE FOR RX-7W22, II2 1 GENERAL INFORMATION RXA3748/RXA3792 (Class A), RXB3748/RXB3792 (Class B) is a new digital dual band public safety repeater (hereafter referred to as PS BDA) designed to protect the lives of first responders and building occupants. Through the use of digital filtering technology, the RX-7W22 helps eliminate adjacent channel interference to allow band selectivity and support 700MHz and 800MHz rebanding. - Page 12 INSTALLATION GUIDE FOR RX-7W22, II2 Specifications-Class A (FCC ID:PX8RXA37) Electrical 700MHz 800MHz Frequency Range, Uplink 799-805 806-817 Frequency Range, Downlink 769-775 851-862 Channel Bandwidth 12.5/25/100 12.5/25/100 Number of Channels Total Output Power, Uplink Total Output Power, Downlink Maximum System Gain Gain Adjustment Range (1dB step) 0-30 0-30...
- Page 13 INSTALLATION GUIDE FOR RX-7W22, II2 Specifications-Class B (FCC ID: PX8RXB37) Electrical 700MHz 800MHz Frequency Range, Uplink 788-798,799-805 806-816 Frequency Range, Downlink 758-768,769-775 851-861 Operating Bandwidth 0.2-10 0.2-10 Number of Sub Bands Total Output Power, Uplink Total Output Power, Downlink Maximum System Gain Gain Adjustment Range (1dB step) 0-30 0-30...
- Page 14 INSTALLATION GUIDE FOR RX-7W22, II2 The rated output power of this equipment is for single carrier operation. For situation when multiple carrier signals are present, the rating would have to be reduced by 3.5dB, especially where the output signal is re- radiated and can cause interference to adjacent band users.
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Page 15: Equipment Description
INSTALLATION GUIDE FOR RX-7W22, II2 2 EQUIPMENT DESCRIPTION FUNCTIONAL BLOCK DIAGRAM Master Di gital Boar d 30.72MHz 12.8MHz PLL1 RX_1 TX_2 UL_LNA UL_PA 800UL 20dB FPGA TX_1 RX_2 DL_PA DL_LNA 700&800UL 32.768MHz AD9370_0 AD9370_1 ORX1 30.72MHz 12.8MHz 800DL 800DL -30dB 30.72MHz 12.8MHz PLL3... -
Page 16: Equipment Layout
INSTALLATION GUIDE FOR RX-7W22, II2 EQUIPMENT LAYOUT Shown below is the internal layout of the PS BDA. 800MHz Integrative Module Master Digital Board Duplexer Duplexer Power Supply Unit Slave Digital Board 700MHz Integrative Module Figure 3: Layout of the PS BDA ENU STATUS : 1-0-0 Copyright - refer to title page Page 16... -
Page 17: Equipment Constitution
INSTALLATION GUIDE FOR RX-7W22, II2 EQUIPMENT CONSTITUTION The typical PS BDA unit consists of the following components: Master Digital Board and Slave Digital Board: 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. LED indicators provide the operation status of the MCU. -
Page 18: Installation
INSTALLATION GUIDE FOR RX-7W22, II2 3 INSTALLATION WARNINGS AND ALERTS Radio Frequency Energies 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 19: Site Planning Considerations
INSTALLATION GUIDE FOR RX-7W22, II2 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. -
Page 20: Installation Checklist
INSTALLATION GUIDE FOR RX-7W22, II2 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 21: Installation Procedures
Open and check each package against the packing list. If any items are missing, contact Comba. Do not remove items from anti-static packing until ready for installation. If damage is discovered at the time of installation, contact the shipping agent. -
Page 22: Wall Mounting
3.3.5 DRIP-LOOP Comba recommends that every horizontal cable entry to the equipment forms a 'U' before its entry to the equipment. Water on the cable will drip down at the bottom of the loop and will not accumulate at the equipment connectors. -
Page 23: Equipment Connectors
INSTALLATION GUIDE FOR RX-7W22, II2 EQUIPMENT CONNECTORS 3.4.1 PS BDA CONNECTORS The PS BDA is designed for all cable entries from the right or left of the enclosure, as shown in the following figure. Figure 6: Equipment Connectors Table 1: Equipment Connectors Identifier Descriptions Power... -
Page 24: Ps Bda Led Indicators
INSTALLATION GUIDE FOR RX-7W22, II2 3.4.2 PS BDA LED INDICATORS The LED indicators help user to check the equipment status easily. Table 2: LED Indicators Identifier Colour Indication Green Power indicator. ON = power on; OFF = power off. Green Operation indicator, flashes every second to indicate normal operation. -
Page 25: Dry Contact Cable Connection
INSTALLATION GUIDE FOR RX-7W22, II2 3.4.6 DRY CONTACT CABLE CONNECTION Below please find the pin definitions of dry contact cables. Table 3: Pin Definition of Dry Contact Cable Pin NO. Input Output ALM1 CLOSE1 1(A) COM1 2(B) White OPEN1 3(C) Blue CLOSE2 4(D) -
Page 26: Commissioning
INSTALLATION GUIDE FOR RX-7W22, II2 4 COMMISSIONING PRE-COMMISSIONING TASKS After equipment installation, perform the following steps before equipment powering and commissioning: Verify that the expected voltage, current and power levels do not violate any ratings. Visually inspect the power connection within the equipment. Ensure that the power cable is correctly and securely connected, including the grounding wire, RF cable and other cables. -
Page 27: Commissioning Procedure
INSTALLATION GUIDE FOR RX-7W22, II2 COMMISSIONING PROCEDURE Perform the following procedures for system commissioning. Start commissioning guide in WEB GUI Set unit parameters Isolation detection Set Control channel frequency Input power detection from control channel Set channel total numbers Get the recommended DL and UL parameters Set frequency and gain for each channel in ‘Device’... - Page 28 INSTALLATION GUIDE FOR RX-7W22, II2 Table 4: Commissioning Task Explanation Commissioning Tasks Observation 1. Isolation detection Detect isolation of service antenna and donor antenna. Enter the center frequency of the main control channel, the commissioning guide will provide recommended DL/UL gain settings based on main control channel input power and the total 2.
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Page 29: Web Gui
INSTALLATION GUIDE FOR RX-7W22, II2 5 WEB GUI The PS BDA 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 with the supplied RJ45 cable to set up a physical connection. -
Page 30: Web Gui Introduction
WEB GUI INTRODUCTION After log in, the Web GUI main screen will appear. Figure 11: Web GUI Main Screen On Comba Web GUI Home Screen, there are three Menu bars: [Home], [Commissioning], and [Management]. 5.2.1 [HOME] The [Home] Screen shows the equipment status, such as RF Switch status, PA status, alarm information, etc. - Page 31 INSTALLATION GUIDE FOR RX-7W22, II2 ➢ Device Alarm This screen shows the alarm status. Figure 13: Device Alarm Screen ➢ 800MHz/700MHz This screen is available for PS BDA to adjust the center frequency and the bandwidth. Figure 14: 800MHz Screen ENU STATUS : 1-0-0 Copyright - refer to title page Page 31...
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Page 32: Commissioning]
INSTALLATION GUIDE FOR RX-7W22, II2 5.2.2 [COMMISSIONING] A work flow of the commissioning process is shown on [Commissioning] Screen. Click the [Start] button, the software will guide you through the commissioning step by step. For details, please refer to chapter 5.3. Figure 15: Commissioning Screen 5.2.3 [MANAGEMENT] Other parameters can be configured on the [Management] Screen. - Page 33 INSTALLATION GUIDE FOR RX-7W22, II2 ➢ Device Info Figure 17: Management – Device Info ➢ Comm. Setting Figure 18: Management – Comm. Setting Note: There are 2 available communication types: SNMP and ETHERNET. You can choose a suitable type for remote monitoring. ENU STATUS : 1-0-0 Copyright - refer to title page Page 33...
- Page 34 INSTALLATION GUIDE FOR RX-7W22, II2 ➢ Alarm Setting Figure 19: Management-Alarm Setting Dry Contact Alarm and Ext Alarm can be set to show the target alarm accoridng to the Pre-set. The setting can be done by clicking “Modify”. Figure 20: Management-Alarm Setting ENU STATUS : 1-0-0 Copyright - refer to title page Page 34...
- Page 35 INSTALLATION GUIDE FOR RX-7W22, II2 ➢ Isolation There are two ways to detect the isolation, manually or Automatic by ICS function. Figure 21: Management – Isolation ➢ Reset Figure 22: Management – Reset Note: Click Restore, all the parameters and alarms will be reset to factory default value or Click Reset to reset Device or PAs.
- Page 36 INSTALLATION GUIDE FOR RX-7W22, II2 ➢ Firmware There are two functions on the [Firmware] bar: [upgrade] and [swap]. [Upgrade] is used to upgrade software, and [Swap] is to replace the current firmware version with the previous one. Figure 23: Management – Report ➢...
- Page 37 INSTALLATION GUIDE FOR RX-7W22, II2 ➢ PS BDA can export the log file for troubleshooting. Figure 25: Management – Log ➢ License Figure 26: Management – License For the CriticalPoint BDA, users can switch the configuration anytime by changing the license in the WEBOMT. There are 4 difference licenses: 700MHz single band license, 800MHz single band license, Class A and Class Both 700MHz and 800MHz single band licenses are provided with a single band unit.
- Page 38 INSTALLATION GUIDE FOR RX-7W22, II2 If the equipment is in dual band originally, no license will be provided, because the equipment already comes with dual band activated. ➢ Security WEB GUI login password can be changed. Figure 27: Management – Security Note: After changing the password, please remember the new password for the next login.
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Page 39: Commissioning Procedure
INSTALLATION GUIDE FOR RX-7W22, II2 COMMISSIONING PROCEDURE To complete the installation and commissioning, users need to follow the steps below. Step 1: Click the Menu bar [Commissioning] on home screen, a work flow will be displayed. Figure 28: Commissioning Procedure – Start Step 2: Click to start the process. - Page 40 INSTALLATION GUIDE FOR RX-7W22, II2 It is mainly used to record device location and Date/Time provides a time reference. Clicking the Config Value of Date/Time will update the Date/Time automatically. NOTE: Make sure the device is connected with appropriate donor and service antennas before proceeding to step 4.
- Page 41 INSTALLATION GUIDE FOR RX-7W22, II2 Step 5: After checking the isolation, Click to finish the commissioning. In this window, a summary of device setting is shown. Figure 32: Commissioning Procedure – Finish End of Section ENU STATUS : 1-0-0 Copyright - refer to title page Page 41...
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Page 42: Maintenance
INSTALLATION GUIDE FOR RX-7W22, II2 6 MAINTENANCE The PS BDA 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 repeater equipment(s) is recommended, the recommended tasks includes: ... -
Page 43: Appendices
INSTALLATION GUIDE FOR RX-7W22, II2 7 APPENDICES APPENDIX A: Antenna installation: Installation of an antenna must comply with the FCC RF exposure requirements. The antenna used for this transmitter must be mounted on permanent structures. The FCC regulations mandate that the ERP of type B signal boosters should not exceed 5W, this is equivalent to 8.2W EIRP (39.1dBm). - Page 44 All Comba BDAs include high selectivity duplexers and filters to attenuate the out of band noise. Compliance with FCC Part 90.219 (d)(6)(i) The deployment rules require that the ERP of intermodulation products should in general not exceed -30dBm.
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Page 45: Appendix B: Tools
INSTALLATION GUIDE FOR RX-7W22, II2 APPENDIX B: 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 46: Appendix C: Declaration Of Harmful Substances And Content
INSTALLATION GUIDE FOR RX-7W22, II2 APPENDIX C: DECLARATION OF HARMFUL SUBSTANCES CONTENT Product Name: Public Safety BDA Model: RX-7W22 Harmful substance and content of this product as below table shown: Harmful Substance Part Name Cr (VI) PBDE ○ ○ ○ ○... - Page 47 INSTALLATION GUIDE FOR RX-7W22, II2 APPENDIX D: TROUBLESHOOTING QUICK GUIDE Alarm list: Signal Booster Failure Antenna Malfunction Over Temperature alarm Low Input alarm Dry contact alarm Dry contact alarm PLL alarm VSWR alarm LNA alarm DL PA alarm Shutdown alarm High input alarm Figure 33: Alarm list Troubleshooting:...
- Page 48 INSTALLATION GUIDE FOR RX-7W22, II2 Reset PA: The Downlink PA will try to automatically reboot during the first 2 hours after alarms occur and then may shutdown permanently if alarms still exist. Users need to manually reset the PA in WEBOMT after fixing the alarm.
- Page 49 INSTALLATION GUIDE FOR RX-7W22, II2 2. Any changes or handling of the RF connection requires user to switch off RF power (RF switch off in WEBOMT) or power off the unit first. ENU STATUS : 1-0-0 Copyright - refer to title page Page 49...
- Page 50 INSTALLATION GUIDE FOR RX-7W22, II2 APPENDIX E: DEVICE REPORT EXAMPLE ENU STATUS : 1-0-0 Copyright - refer to title page Page 50...
- Page 51 INSTALLATION GUIDE FOR RX-7W22, II2 APPENDIX F: RMA (RETURN MATERIAL AUTHORIZATION) End of Section End of Document ENU STATUS : 1-0-0 Copyright - refer to title page Page 51...
- Page 52 INSTALLATION GUIDE FOR RX-7W22, II2 ENU STATUS : 1-0-0 Copyright - refer to title page Page 51...
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