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Page

Next Generation
Signal Enhancement

Contents

1.0 DISCLAIMER ................................................................................. 4

2.0 About Shyam Telecom................................................................. 4

3.0 WARRANTY................................................................................... 5

4.0 SAFETY REQUIREMENTS ........................................................... 7

5.0 ELECTROSTATIC DISCHARGE (PRECAUTIONS) ..................... 8

6.0 INTRODUCTION ............................................................................ 9

6.1 Objective ........................................................................................................ 9

6.2 Abbreviations ................................................................................................... 9

6.3 Conforming To International Standards ........................................................ 10

6.4 Repeater Systems-Introduction ..................................................................... 10

7.0

R-20-930 (One way paging) Repeater ......................................11

7.1 Salient Features............................................................................................. 11

7.2

Typical In-Building Coverage ......................................................................... 11

7.3 Description R-20-930 (One way paging) Repeater ....................................... 14

7.4 Technical Specification: Repeaters R-20-930 ............................................... 15

8.0 INSTALLATION ..........................................................................16

8.1 ENGINEERING CONSIDERATION .............................................................. 16

8.2 Installation Tools............................................................................................ 17

8.3

Installation Procedure .................................................................................... 18

8.4 Commissioning .............................................................................................. 18

8.5

Configuration & Monitoring Console .............................................................. 20

8.6 LED Display On R-20-930 Unit...................................................................... 29

9.0 Fault Shooting & Maintenance .................................................31

9.1 In-building Coverage Problems ..................................................................... 31

9.2

Signal Quality Problems.................................................................................. 31

9.3

Antenna Isolation ............................................................................................ 32

9.4 Trouble shooting ............................................................................................. 33

9.5

Contents Of Delivery....................................................................................... 34

Содержание R-20-93

Страница 1: ...am Telecom Limited Unauthorized access copy and replication are prohibited Use or disclosure of this document or the information contained herein for any purpose other than that for which it was furni...

Страница 2: ...um performance so as to have minimum maintenance Shyam Telecom today is World leader for providing Outdoor In Building RF coverage solutions not only in India but also at different locations around th...

Страница 3: ...ne way paging Repeater 11 7 1 Salient Features 11 7 2 Typical In Building Coverage 11 7 3 Description R 20 930 One way paging Repeater 14 7 4 Technical Specification Repeaters R 20 930 15 8 0 INSTALLA...

Страница 4: ...the process of manufacturing Radio Communications related products as per the needs of the customers in Domestic International markets at that time Our vision has been to grow keep pace with the conti...

Страница 5: ...arge through its authorized service center Attention of the customer is drawn to the following with respect to the warranty During the warranty period Shyam Telecom or its authorized service network w...

Страница 6: ...ar tear of the product The product was presented for repair after the applicable warranty period In such event Shyam Telecom s normal service policies shall apply and the customer will be charged acco...

Страница 7: ...s 100 240 V should be done for the operation of the system to avoid damage to the system and to the person handling it If required separate voltage stabilizers should be installed for providing AC inp...

Страница 8: ...t modules located in the equipment make use of semiconductor devices for better performance provided they are operated with proper cautions The careless handling of such devices should be strictly avo...

Страница 9: ...nt AM Amplitude Modulation AMPS Advanced Mobile Phone System US 800 MHz standard BTS Base Transmission Station cellular system element DC Direct Current DCS Digital communication system European 1800...

Страница 10: ...base station remains inadequate for establishing the desired connectivity to mobile users Repeaters traditionally are inducted in the Mobile Communication network to fill in the Dead Zones caused by...

Страница 11: ...ls from the BTS through a DONOR antenna highly directional outdoor antenna and distributes the signals to the users after amplification through a set of SERVER antennas omni directional system in the...

Страница 12: ...agi antenna input loss due to the RF cable length type of RF cable installed and achievable isolation for optimum R 20 930 performance Indoor coverage varies greatly due to the nature of various build...

Страница 13: ...Reserved Shyam Telecom Limited 13 36 Next Generation Signal Enhancement Figure 2 Typical Application of A Indoor Repeater Figure 1 Indoor coverage in a small building R 20 930 One way paging device I...

Страница 14: ...signed to blend into the ceiling of a typical office providing RF signals in all directions downward and outward from the installation point For in building configurations requiring higher gain or dir...

Страница 15: ...nge for power control Automatic manual by GUI or DIP switch 0 31 dB in steps of 1 dB Output power 19 dBm Composite Spurious Emission 36dBm 9KHz 1GHz 30 dBm 1 GHz 12 75 GHz Noise Figure 5dB Max V S W R...

Страница 16: ...the antenna manufacturer s installation procedures for additional considerations Ensure that the DONOR antenna has proper directivity to the service provider s base station If the directivity is obst...

Страница 17: ...oscillations Normally isolation should be 15 dB more than the gain set for the repeater It should have good front to back ratio The beam width for the DONOR antenna should be as small as possible The...

Страница 18: ...ny break in the RF cable 3 Record the R 20 930 unit serial number for use when contacting SHYAM customer service for support 4 Mount the unit on the intended wall surface using the appropriate screws...

Страница 19: ...g software and the SIM card of cellular operator measure and monitor the signal level at various points within and around the perimeter of the coverage area i Ensure that antenna connectors and antenn...

Страница 20: ...arameters can be carried out locally with the help of laptop PC connected to the repeater by means of local USB interface The laptop PC is to be loaded with CMC software USB driver software from the C...

Страница 21: ...tion through the CMC can be carried out Default password is shyam Figure 3 Login Administrator can limit the system access authority of the SUPERVISOR II Configuration Configuration means setting diff...

Страница 22: ...ser can assign a unique repeater ID to each repeater installed Up to 10 characters are allowed for this field b Repeater Location Figure 4 User can assign the address of location where repeater is ins...

Страница 23: ...m Telecom Limited 23 36 Next Generation Signal Enhancement e PA ON OFF Settings Figure 7 The PA can be put in ON or OFF condition for the purpose of testing Figure 5 Sub Band ON OFF Setting Figure 6 F...

Страница 24: ...Parameters Settings Figure 8 Other parameters to be specified are Band set with DL path frequencies Sub band frequency bandwidth Type of attenuation viz manual automatic or through DIPswitch Offset P...

Страница 25: ...ited 25 36 Next Generation Signal Enhancement Figure 8 Different Parameters Settings DL Path only g Attenuation Settings Figure 9 If attenuation is to be set manually that values for DL is specified F...

Страница 26: ...nuation provided in the DL path RSSI DL Indicates the prevailing value of RSSI level in DL path Power supply 7 V Displays the value of 7 V derived supply System Temperature Indicates the instant tempe...

Страница 27: ...Low DL Indicates the PA power becoming lower than the configured condition in DL PA Power High DL Indicates the PA power becoming higher than the configured condition in DL PA Temperature High DL Ala...

Страница 28: ...window user can select serial communication port for communication LOCAL CONNECTION In this type of connection user computer COM Port and repeater s USB Port is connected directly using cable Steps a...

Страница 29: ...t Figure 13 Communication Window 8 6 LED Display On R 20 930 Unit In order to facilitate the maintenance team a set of LEDs are provided on the top cover of the unit which display some of the importan...

Страница 30: ...oes out of order due to poor isolation or excessive input signal The system will check for the normal state after 30 seconds continuously If the system senses the right condition it will be ON automat...

Страница 31: ...ally with a known functional unit and verify the respective signal level This can be achieved by observing the signal strength indicator on a mobile handset that has an unobstructed line of sight view...

Страница 32: ...building The indoor coverage antenna server should be installed inside near or below the ceiling Following guidelines should ensure adequate isolation between antennas I Installation of the donor and...

Страница 33: ...will cause system oscillation and it may damage the amplifier of the repeater It is to note that the repeater gain should be at least 15 dB lower than the antenna isolation The system performed well i...

Страница 34: ...Donor Antenna 12 dBi Directional antenna ii R 20 930 Unit iii Power Adapter iv Mounting screws v Installation and Operation Manual vi Configuration and Monitoring Software CD Additional Parts Which m...

Страница 36: ...om Inc 6 KILMER ROAD SUIT D EDISON New Jersy 08817 USA Email info shyamtelecom com For Europe Shyam Telecom GmbH Frohsinnstrasse 16 63739 Aschaffenburg Germany Tel 49 6021 45901 0 Fax 49 6021 45901 29...

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Shyam R-20-93, Руководство по эксплуатации и установке

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