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INSTALLATION GUIDE FOR RX-7W22, II2

1.4

GLOSSARY OF TERMS

Abbreviation

Definition

ALC

Automatic Level Control

ATT

Attenuator

BTS

Base Transceiver Station

Channel

CSA

Cross Sectional Area

Decibel

dBm

Decibels relative to 1 milliwatt

Downlink

Donor Terminal

DPX

Duplexer

Frequency Selection

Hertz

Identification

Intermediate Frequency

LNA

Low Noise Amplifier

LOS

Line-of-Sight

MCU

Main Control Unit

MHz

Megahertz

Mobile Terminal

MTBF

Mean Time Between Failures

Noise Figure

OMC

Operation & Maintenance Center

OMT

Operation & Maintenance Terminal

Power Amplifier

PLL

Phase Locked Loop

PSU

Power Supply Unit

Radio Frequency

SMA

Sub-Miniature A Connector

Uplink

VAC

Volts Alternating Current

VDC

Volts Direct Current

VSWR

Voltage Standing Wave Ratio

Summary of Contents for RXA3748

Page 1: ...RXA3748 RXA3792 RXB3748 RXB3792 QE 1 0 0 _ _ _ __ _ _ _ _ CriticalPoint Public Safety BDA DIGITAL BAND SELECTIVEREPEATER USER MANUAL...

Page 2: ...CriticalPoint PUBLIC SAFETY BI DIRECTIONALAMPLIFIER USER MANUAL RXA3748 RXA3792 RXB3748 RXB3792 QE 1 0 0 Comba Telecom Ltd...

Page 3: ...k 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...

Page 4: ...TALLATION PROCEDURES 20 3 3 1 GOODS INWARDS INSPECTION 20 3 3 2 TOOLS 20 3 3 3 PREPARATION 20 3 3 4 WALL MOUNTING 21 3 3 5 DRIP LOOP 21 3 4 EQUIPMENT CONNECTORS 22 3 4 1 PS BDA CONNECTORS 22 3 4 2 PS...

Page 5: ...0 0 Copyright refer to title page Page 5 INSTALLATION GUIDE FOR RX 7W22 II2 7 4 APPENDIX D TROUBLESHOOTING QUICK GUIDE 46 7 5 APPENDIX E DEVICE REPORT EXAMPLE 49 7 6 APPENDIX F RMA RETURN MATERIAL AUT...

Page 6: ...Figure 16 Management Screen 31 Figure 17 Management Device Info 32 Figure 18 Management Comm Setting 32 Figure 19 Management Alarm Setting 33 Figure 20 Management Alarm Setting 33 Figure 21 Management...

Page 7: ...ENU STATUS 1 0 0 Copyright refer to title page Page 7 INSTALLATION GUIDE FOR RX 7W22 II2 1 3 HISTORY Change No ENU Details Of Change 1 1 0 0 This manual first created and issued in May 2020...

Page 8: ...inal DPX Duplexer FS Frequency Selection Hz Hertz ID Identification IF Intermediate Frequency LNA Low Noise Amplifier LOS Line of Sight MCU Main Control Unit MHz Megahertz MT Mobile Terminal MTBF Mean...

Page 9: ...e death or injury to the operator or others Examples of use are cases of high voltage laser emission toxic substances point of high temperature etc WARNING This is NOT a CONSUMER device It is designed...

Page 10: ...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 ante...

Page 11: ...GUI which provides versatility and total control to the user Main Features PS 700MHz and 800MHz Class A BDA 32 channels per band or Class B BDA 3 sub bands Channel selective or Band selective software...

Page 12: ...lter center 75KHz Bandwidth 25KHz 60 filter center 75KHz 60 filter center 75KHz Bandwidth 100KHz 60 filter center 200KHz 60 filter center 200KHz Intermodulation dBm 13 13 Spurious 9kHz to 1GHz dBm FCC...

Page 13: ...r edge 0 6MHz 60 filter edge 1MHz 45 filter edge 0 6MHz 60 filter edge 1MHz Intermodulation dBm 13 13 Spurious 9kHz to 1GHz dBm FCC Compliance FCC Compliance 1GHz to 12 75GHz dBm Maximum RF Input Powe...

Page 14: ...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...

Page 15: ...70_0 PLL4 Figure 2 PS BDA Functional Block Diagram In the downlink path the BTS signals are received by the donor antenna of the repeater After the duplexer the signals are sent to the LNA module for...

Page 16: ...ALLATION GUIDE FOR RX 7W22 II2 2 2 EQUIPMENT LAYOUT Shown below is the internal layout of the PS BDA Figure 3 Layout of the PS BDA Power Supply Unit 800MHz Integrative Module Master Digital Board Dupl...

Page 17: ...the Power Conversion module RF module digital process module and monitoring modules The Power Conversion module converts 28V DC voltage into 9VJK and 9VRF 9VJK 9VRF are supplied to the monitoring unit...

Page 18: ...ions flammable or explosive atmospheres the system must be suitably installed to prevent danger Protective Earthing Equipment provided for the purpose of protecting individuals from electrical risk mu...

Page 19: ...having stable temperature and unrestricted air flow The installation location for the product should be well ventilated The equipment has been designed to operate at the temperature range and humidity...

Page 20: ...terference Reduce signal loss in feeder cable by minimizing the length and number of RF connections Ensure VSWR of antennas system 1 5 1 Ensure equipment will be operated within the stated environment...

Page 21: ...specting the contents because damage during transit is the responsibility of the agent Open and check each package against the packing list If any items are missing contact Comba Do not remove items f...

Page 22: ...M10x110mm Install the Mounting Rack to the wall Hang the equipment and secure the enclosure to the mounting rack Figure 5 PS BDA Wall Mounting 3 3 5 DRIP LOOP Comba recommends that every horizontal ca...

Page 23: ...s Power Knock Out Power cable connector for a pre installed power cord for connection to DC e g DC 48V Max current is 8A DT Test SMA connector for DT port test 27dB coupling to DT port available for b...

Page 24: ...could function as the ground earth connection for the equipment Protective Ground Connection The enclosure must be grounded securely by connecting a copper wire CSA 16mm2 to the grounding terminal on...

Page 25: ...4 D Black 5 COM2 5 E Brown 6 OPEN2 6 F Purple 7 RR_A 7 G Green 8 RR_B 8 H Orange 9 NC 9 J Yellow 10 GND 10 K Grey ALM2 11 CLOSE3 1 A Red 12 COM3 2 B White 13 OPEN3 3 C Blue 14 CLOSE4 4 D Black 15 COM4...

Page 26: ...at 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 i...

Page 27: ...ng Figure 7 Commissioning Procedure Set unit parameters Isolation detection Set Control channel frequency Input power detection from control channel Set channel total numbers Get the recommended DL an...

Page 28: ...he total channel numbers Users can skip this step and directly finish the commissioning guide even if the frequency information or the total channel numbers are unknown Users can set the DL UL gain ma...

Page 29: ...he PC RJ45 port with the supplied RJ45 cable to set up a physical connection Step 2 Open a browser browser IE7 0 IE8 0 Chrome or Firefox suggested display resolution is 1024 768 input Web GUI IP addre...

Page 30: ...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 show...

Page 31: ...e 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 freque...

Page 32: ...reen 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...

Page 33: ...e 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...

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...

Page 35: ...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 an...

Page 36: ...nctions 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 Report After comm...

Page 37: ...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 B Both 700MHz a...

Page 38: ...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 S...

Page 39: ...te 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...

Page 40: ...rocedure Isolation Detection Select a frequency band RFU that needs to be commissioned Click to start Isolation Detecting then a Confirm window will pop up Click to continue If isolation detection pas...

Page 41: ...o title page 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 Commissionin...

Page 42: ...aintenance activities should only be carried out by trained personnel Periodic inspection of the repeater equipment s is recommended the recommended tasks includes Verify the direction and position of...

Page 43: ...ise from PS BDA should not exceed the level of 43 dBm in 10 kHz measurement bandwidth In the event that the noise level measured exceeds the aforementioned value the PS BDA gain should be decreased ac...

Page 44: ...t 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 This is not a formidable task since in th...

Page 45: ...lowing 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...

Page 46: ...e complies with SJ T 11364 Indicates that the harmful substance content in all homogeneous materials for corresponding part is under the limited requirement of GB T 26572 Indicates that the harmful su...

Page 47: ...till exists RMA the equipment Shutdown Other critical alarm causes the equipment shutdown Follow instructions to fix other alarms first High input for DT port Check input power to DT port the power sh...

Page 48: ...MT port respectively the test ports are able to detect both DL and UL signals Isolation The system doesn t allow users to set a gain higher than isolation 20dB The PS BDA has a mandatory process to ch...

Page 49: ...0 0 Copyright refer to title page 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 th...

Page 50: ...ENU STATUS 1 0 0 Copyright refer to title page Page 50 INSTALLATION GUIDE FOR RX 7W22 II2 7 5 APPENDIX E DEVICE REPORT EXAMPLE...

Page 51: ...ENU STATUS 1 0 0 Copyright refer to title page Page 51 INSTALLATION GUIDE FOR RX 7W22 II2 7 6 APPENDIX F RMA RETURN MATERIAL AUTHORIZATION End of Section End of Document...

Page 52: ...INSTALLATION GUIDE FOR RX 7W22 II2 ENU STATUS 1 0 0 Copyright refer to title page Page 51...

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