Related Manuals for Allen Telecom MIKOM MR303D Varia
Summary of Contents for Allen Telecom MIKOM MR303D Varia
- Page 1 MR303D Varia User’s Manual for Repeater User's Manual MR303D Varia Id.-Nos.: 152796, 152797 & 154595 M0041A8B.doc Id.-No. 153114 Page 1 26-Oct-2000...
- Page 2 MR303D Varia User’s Manual for Repeater Copyright © MIKOM, Buchdorf 2000 All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system, transmitted in any form or by any means, electronical, mechanical photocopying, recording or otherwise, without prior written permission of the publisher.
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Page 3: Table Of Contents
MR303D Varia User’s Manual for Repeater TABLE OF CONTENTS LIST OF FIGURES AND TABLES LIST OF ABBREVIATIONS CONTENTS OF DELIVERY HEALTH AND SAFETY WARNINGS PREAMBLE INTRODUCTION The MR303D Varia Functional Description Downlink Uplink FUNCTIONS AND FEATURES Configuration of the Connectors 2.1.1 RF Connectors 2.1.2... -
Page 4: List Of Figures And Tables
MR303D Varia User’s Manual for Repeater LIST OF FIGURES AND TABLES figure 1-1 Block diagram .................... 9 figure 2-1 Configuration of the connectors ............... 11 figure 2-2 Installation drawing................... 13 figure 3-1 Channel setting for Id.No. 152796 & 154595 ........... 17 figure 3-2 Channel setting for Id.No. -
Page 5: Contents Of Delivery
MR303D Varia User’s Manual for Repeater CONTENTS OF DELIVERY Repeater MR303D Varia User’s manuals for repeater MR303D Varia Set of test protocols consisting of an electrical acceptance test protocol and a safety test protocol regarding the power supply Wall mounting template HEALTH AND SAFETY WARNINGS Note: Electrical installation must be carried out in accordance with the safety regulations of the local authorities. -
Page 6: Preamble
MR303D Varia User’s Manual for Repeater PREAMBLE In cellular systems, repeaters are used to extend the coverage of a base station in regions where, due to topological or structural conditions, weak field strengths disable communication. MIKOM is a leading manufacturer of repeaters, providing excellent electrical characteristics. - Page 7 MR303D Varia User’s Manual for Repeater List of international sales offices Allen Telecom Allen Telecom Forem France (Australia) P/L 30500 Bruce Industrial 6 Stuart Street Z.I. des Ebisoires Parkway Cleveland, Ohio 44 139-3996 Padstow NSW 2211 78370 Plaisir Australia France...
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Page 8: Introduction
MR303D Varia User’s Manual for Repeater 1 INTRODUCTION Cellular telephone systems transmit signals in two directions between base stations and mobile telephones within the signal coverage area. If weak signal transmissions occur within the coverage area due to indoor applications, topological conditions or distance from the transmitter, a repeater is used to extend transmission range. -
Page 9: Functional Description
MR303D Varia User’s Manual for Repeater 1.2 Functional Description The MR303D Varia is a repeater operating in the GSM900 frequency range. The operation principle for uplink and downlink is depicted in the following block diagram: figure 1-1 Block diagram 1.3 Downlink Downlink signals are received by the external antenna and fed to the duplexer. -
Page 10: Uplink
MR303D Varia User’s Manual for Repeater 1.4 Uplink The uplink signals are received by the antenna and fed into the repeater where a pre-selection of the frequency is made. The signals are then converted down to IF by means of a mixer and an IF filter provides the selectivity against other frequencies. After the re-conversion the signals are amplified in an amplifier that provides the output power. -
Page 11: Functions And Features
MR303D Varia User’s Manual for Repeater 2 FUNCTIONS AND FEATURES 2.1 Configuration of the Connectors figure 2-1 Configuration of the connectors 2.1.1 RF Connectors The RF connectors (SMA female) are situated on both sides of the repeater. These ports must be connected to the RF cables of the external antennas to/from the BTS and to/from the mobiles. -
Page 12: Power Supply
MR303D Varia User’s Manual for Repeater 2.1.2 Power supply The socket for the DC supply is located next to the RF connector to/from the BTS. Power supply voltage is 6.7 Vdc, current is 1.6 A typ for Id.-No.: 152796 and 2.5 A for Id.-Nos.: 152797 &... -
Page 13: Mechanical Installation
MR303D Varia User’s Manual for Repeater 2.3 Mechanical Installation Install the MR303D Varia according to the directions provided with the wall mounting sheet. The unit can be mounted horizontally or vertically. The alarm LEDs must point downwards (horizontal mounting) or to the left-hand side (vertical mounting). The unit has a weight of approximately 1.6 kg. -
Page 14: Electrical Installation
MR303D Varia User’s Manual for Repeater 2.4 Electrical Installation Note: Electrical installation must be carried out in accordance with the safety regulations of the local authorities. Due to safety reasons electrical installation must be performed by qualified personnel only. Connection of the cables to/from the BTS and connection of power supply: The cable to the external antenna to/from the BTS and the SMA-connector must be ordered separately if reqired. - Page 15 MR303D Varia User’s Manual for Repeater Ø Connect one RF cable to the SMA connector to/from mobile. SMA connector to/from mobile Ø Connect one RF cable to the SMA connector to/from the BTS. Ø Connect the DC cable to the repeater DC connector.
- Page 16 MR303D Varia User’s Manual for Repeater Frequency Ø Adjust the frequency. adjust Ø Set the attenuation (at repeater with Id.-No.: 152797 & 154595 only!). Gain setting (Id.-No.: 152797 & 154595) Ø Close the repeater by replacing the cover. Connector to mains Ø...
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Page 17: Setting Into Operation
MR303D Varia User’s Manual for Repeater 3 SETTING INTO OPERATION 3.1 Adjusting the Frequency The setting of the start channel and the stop channel must be carried out in accordance to the following tables: figure 3-1 Channel setting for Id.No. 152796 & 154595 figure 3-2 Channel setting for Id.No. -
Page 18: Appendix
MR303D Varia User’s Manual for Repeater 4 APPENDIX 4.1 Electrical Specification MR303D Varia Id.No.:152796 Id.No.:152797 Id.No.: 154595 Frequency range 890 – 915 MHz 880 – 905 MHz 890 – 915 MHz 935 – 960 MHz 925 – 950 MHz 935 – 960 MHz Band adjust BW manually adjustable from 1 to 24.8 MHz in steps of 200 kHz In band gain min./typ. -
Page 19: Mechanical Specification
MR303D Varia User’s Manual for Repeater 4.2 Mechanical Specification Height, Width, Depth approx. 226 x 310 x 61.5 mm Sealing class IP30 Weight: approx. 1600 g figure 4-1 Cabinet drawing 4.3 Environmental and Safety Specifications Specifications for environmental and safety conditions are according to ETS 300 019 (European Telecommunication Standard). -
Page 20: Spare Part List
MR303D Varia User’s Manual for Repeater 4.4 Spare part list Part Id.- No. Repeater MR303 D Varia 152796 152797 154595 Power Supply 146902 INDEX International sales offices......... 7 Introduction............... 8 Abbreviations ............4 Address of MIKOM..........6 LEDs................ 12 Downlink path............9 Setting of Attenuation............
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