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Related Manuals for Dekolink Deko3178B
Summary of Contents for Dekolink Deko3178B
- Page 1 Rev. 1.55 © Dekolink Wireless Ltd...
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Page 3: About This Manual
OTICE Confidential - Authorized Customer Use This document may be used in its complete form only and is solely for the use of Dekolink Wireless Ltd. employees and authorized Dekolink Wireless channels or customers. The material herein is proprietary to Dekolink Wireless Ltd. Any unauthorized reproduction, use or disclosure of any part thereof is strictly prohibited. -
Page 4: Safety Warnings
ARNING QUIPMENT MODIFICATIONS Changes or modifications not expressly approved by Dekolink Wireless Ltd. could void the user’s authority to operate the equipment Page ii Proprietary Data... -
Page 5: Revision History
3178B EKOLINK IRELESS OMPACT IRECTIONAL MPLIFIER RODUCT ANUAL EVISION ISTORY The revision history for this document is shown in Table 1. Table 1: Revision history Revision Date Description 300TC80031 26-FEB-2008 Initial Version 300TC80031 13-May-2008 Frequency change, minor edits 300TC80031 27-May-2008 Minor edits from lab 300TC80031 28-May-2008... -
Page 6: Table Of Contents
General Safety Warnings Concerning Use of This System ........... ii Revision History ......................iii 1 INTRODUCTION ......................6 1.1 Features ....................... 6 1.2 Deko3178B Block Diagram Description ............. 7 1.3 Deko3178B Interfaces ..................8 1.3.1 Front Panel Ports ................. 8 1.3.2... - Page 7 Appendix A: Specifications (@+25° C) ..............20 Electrical ......................20 Mechanical Specifications ................20 Environmental Specifications ................20 Appendix B: Mechanical Drawing ................21 Appendix C: Dekolink Wireless Limited Warranty ..........22 Pub. 300TC80031 Rev. 1.55 Proprietary Data Page v...
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Page 8: Introduction
INTRODUCTION INTRODUCTION INTRODUCTION Deko3178B is a dual-band 700/800 MHz band selective mid-power amplifier in a single compact unit. Specially designed for public safety in-door networks, the Deko3178B small foot-print and flexible installation options minimize interference with operations on the floor on which it is installed. -
Page 9: Deko3178B Block Diagram Description
Warning: The AGC switch must be always ON in order to limit the spurious signals. The gain of each path can be set manually. The separation of the gain setting architecture enables setting the actual gain for each path. Figure 2. Deko3178B Functional Block Diagram Pub. 300TC80031 Rev. 1.55 Proprietary Data Page 7... -
Page 10: Deko3178B Interfaces
EPEATER EKOLINK IRELESS 3178B I NTERFACES The Deko3178B interfaces are located on the dual band BDA top and front panel. 1.3.1 Front Panel Ports The front panel includes the dual band antenna and power connections as shown below. There are two types of antenna connectors: Base (Donor) and Mobile (Service) connections. -
Page 11: Internal Power Selector
OMPACT IRECTIONAL MPLIFIER RODUCT ANUAL 1.3.3 Internal Power Selector Deko3178B includes two internal power level selectors used for manual UL and DL gain control adjustment. See following figure. Uplink step attenuator Downlink step attenuator Figure 4. Internal View of Deko3178B UL/DL Step Attenuators Pub. -
Page 12: Ul Step Attenuator
3178B RODUCT ANUAL OMPACT EPEATER EKOLINK IRELESS 1.3.3.1 UL Step Attenuator The manual gain setting function for the UL path is performed with the use of a rotary knob. The attenuation can be adjusted in 2 dB steps. See following figure. Figure 5. -
Page 13: Site And Installation Requirements
3178B EKOLINK IRELESS OMPACT IRECTIONAL MPLIFIER RODUCT ANUAL 2 2 2 2 SITE AND INSTALLATIO SITE AND INSTALLATION REQUIREMENTS N REQUIREMENTS SITE AND INSTALLATIO SITE AND INSTALLATIO N REQUIREMENTS N REQUIREMENTS This section describes the power, antenna and site requirements for the Dual Band BDA installation. -
Page 14: Pre-Installation Safety Instructions
3178B RODUCT ANUAL OMPACT EPEATER EKOLINK IRELESS NSTALLATION AFETY NSTRUCTIONS Before installing the Dual Band BDA, review the following safety information: Follow all local safety regulations when installing the Dual Band BDA. • Only qualified personnel are authorized to install and maintain the Dual Band BDA. •... -
Page 15: Installing The Dual Band Bda
EQUIRED OOLS AND ATERIALS A standard professional tool box is required in order to mount the Deko3178B Dual Band BDA Mounting the Deko3178B To mount the Dual Band BDA on the wall 1. Choose the location of the Dual Band BDA on the wall according to the following criteria: The location should be at normal eye level height, above ground. -
Page 16: Dry Contact Alarm Connections
EKOLINK IRELESS Mounting hole Figure 7. Deko3178B Mounting Holes 3. Drill the four holes in the wall. 4. Align the chassis so that the mounting brackets fit into the holes drilled in the wall. 5. Use tire bolts, hex-head bolts, and M8 washers to secure the enclosure firmly to the wall. -
Page 17: Grounding
3178B EKOLINK IRELESS OMPACT IRECTIONAL MPLIFIER RODUCT ANUAL The following table provides a description of the Alarm connector pinout and the corresponding cable wire color-match pin. Signal Name Not Connected Not Connected Dry Contact – Normally Closed Dry Contact - Normally Open Not Connected Not Connected Dry Contact - Common... -
Page 18: Antennas Installation And Connection
3178B RODUCT ANUAL OMPACT EPEATER EKOLINK IRELESS 4 4 4 4 ANTENNAS INSTALLATIO ANTENNAS INSTALLATIO ANTENNAS INSTALLATION AND ANTENNAS INSTALLATIO N AND N AND N AND CONNECTION CONNECTION CONNECTION CONNECTION RF G ETTING RITERIA In order for the CBDA Dual Band BDA to operate effectively the isolation between the at least 15 db higher than the CBDA gain base station and the mobile antenna must be The step attenuator on the low noise amplifier can reduce the CBDA gain. -
Page 19: Antenna Connections
The isolation between the Base/Donor and Mobile/Service antennas is critical especially for high gain, outdoor applications. For proper operation of the Deko3178B Dual Band BDA, it is recommended that the isolation between the Donor and Service antennas be at least 15 dB higher than the Dual Band BDA set gain. -
Page 20: Verifying The Link Between The Bts And The Dual Band Bda
3178B RODUCT ANUAL OMPACT EPEATER EKOLINK IRELESS 2. Measure the coupled output from the Service antenna, using the Spectrum analyzer and LNA if applicable. 3. Perform this procedure across the frequency range of both the Uplink and Downlink bands. 4. Register the lower result for system operation. NOTE: The SALC feature overcomes this procedure. -
Page 21: Monitoring And Alarms
3178B A LARMS The Deko3178B Dual Band BDA has two main active elements: DL Power Amplifier and UL power amplifier. A monitor circuit monitors these elements and initiates an alarm upon detecting a deviation from the normal operation. The summarized alarm output of the monitoring card is sent to the corresponding front panel Alarm connector. -
Page 22: Appendices
Weight 14 kg (approx.) (30.8 lbs) Weatherproof IP-65, NEMA 4 Environmental Specifications Deko3178B is designed to operate properly under the following environmental conditions. Condition Value Operating temperature -10 °C to +50 °C (14 to 122° F) Storage temperature -40 °C to +80 °C (-40 to 176° F) -
Page 23: Appendix B: Mechanical Drawing
3178B EKOLINK IRELESS OMPACT IRECTIONAL MPLIFIER RODUCT ANUAL B: M PPENDIX ECHANICAL RAWING The following mechanical drawing shows the Deko3178B dimensions. Pub. 300TC80031 Rev. 1.55 Proprietary Data Page 21... -
Page 24: Appendix C: Dekolink Wireless Limited Warranty
(15) months from the date of shipment of the Product by Dekolink. The obligations of Dekolink under this warranty shall be limited solely to the repair or exchange or giving credit for, at the option of Dekolink, any Product that may prove defective in accordance with evidence satisfactory to Dekolink.