SIST ETS 300 333:2000

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Satellite Earth Stations and Systems (SES); Receive-only Very Small Aperture Terminals (VSATs) operating in the 4 GHz frequency band33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systemsICS:Ta slovenski standard je istoveten z:ETS 300 333 Edition 2SIST ETS 300 333:2000en01-maj-2000SIST ETS 300 333:2000SLOVENSKI
STANDARD



SIST ETS 300 333:2000



EUROPEANETS 300 333TELECOMMUNICATIONJuly 1997STANDARDSecond EditionSource: ETSI TC-SESReference: RE/SES-00013ICS:33.020Key words:Satellite, earth station, VSATSatellite Earth Stations and Systems (SES);Receive-only Very Small Aperture Terminals (VSATs)operating in the 4 GHz frequency bandETSIEuropean Telecommunications Standards InstituteETSI SecretariatPostal address: F-06921 Sophia Antipolis CEDEX - FRANCEOffice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCEX.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.frTel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and theforegoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1997. All rights reserved.SIST ETS 300 333:2000



Page 2ETS 300 333: July 1997Whilst every care has been taken in the preparation and publication of this document, errors in content,typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to"ETSI Editing and Committee Support Dept." at the address shown on the title page.SIST ETS 300 333:2000



Page 3ETS 300 333: July 1997ContentsForeword.51Scope.72Normative references.83Definitions and abbreviations.83.1Definitions.83.2Abbreviations.94Test report.95Safety.95.1Mechanical construction.95.2Lightning.106Radio Frequency (RF).106.1Spurious radiation.106.2Antenna receive gain pattern (co-polar and cross-polar).116.3Receive polarization discrimination.127Mechanical.127.1Pointing stability.127.2Antenna pointing accuracy capability.137.3Linear polarization angle alignment capability.138Control and monitoring.13History.14SIST ETS 300 333:2000



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Page 5ETS 300 333: July 1997ForewordThis second edition European Telecommunication Standard (ETS) has been produced by the SatelliteEarth Stations and Systems (SES) Technical Committee of the European Telecommunications StandardsInstitute (ETSI).Transposition datesDate of adoption:4 July 1997Date of latest announcement of this ETS (doa):31 October 1997Date of latest publication of new National Standardor endorsement of this ETS (dop/e):30 April 1998Date of withdrawal of any conflicting National Standard (dow):30 April 1998SIST ETS 300 333:2000



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Page 7ETS 300 333: July 19971ScopeThis European Telecommunication Standard (ETS) provides specifications for the standardization of thecharacteristics of receive-only Very Small Aperture Terminals (VSATs) operating as part of a satellitenetwork (e.g. star, meshed or point-to-point) used for the distribution of information.These VSATs have the following characteristics:-operating in the shared part of the C-band allocated to the Fixed Services (FS) and to theFixed Satellite Services (FSS), 3,400 GHz to 4,200 GHz (space-to-earth);-in this frequency band circular and linear polarization are used;the VSAT operates through geostationary satellites at least 3° away from any other geostationarysatellite operating in the same frequency band and covering the same area;-designed usually for unattended operation;-antenna diameter not exceeding 7,3 m, or equivalent corresponding effective area.The equipment considered in this ETS comprises both the "outdoor unit", usually composed of theantenna sub-system and associated Low Noise Block (LNB), and the "indoor unit" composed of theremaining part of the communication chain, including the cable between these two units.This ETS applies to the VSAT with its ancillary equipment and its various terrestrial ports, and operatedunder the conditions which are within the ranges of humidity, temperature and supply voltage declared bythe manufacturer.There are no EMC specifications under this ETS, however ETS 300 673 [2] contains the EMCspecifications for VSATs.This ETS does not contain any specification or information on the installation of the VSATs.The specifications have been selected to ensure an adequate level of compatibility for VSATs. The levels,however, do not cover extreme cases which may occur in any location but with a low probability ofoccurrence. In such a case it may be necessary to use special protection applied to either the source ofinterference, or the interfered part or both.This ETS deals with two types of specification:-specifications defined in order to protect other users of the frequency spectrum, both satellite andterrestrial, from unacceptable interference. In addition, these specifications are specified for thepurposes of structural safety and lightning protection as well as protection from harmfulinterference;-specifications related to characteristics which contribute to the quality of reception by providing theVSAT with a minimum interference protection from other radio systems. These specifications applyif required by the manufacturer.SIST ETS 300 333:2000



Page 8ETS 300 333: July 19972Normative referencesThis ETS incorporates, by dated or undated references, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listedhereafter. For dated references, subsequent amendments to or revisions of any of these publicationsapply to this ETS only when incorporated in it by amendment or revision. For undated references the latestedition of the publication referred to applies.[1]EN 50083-1 (1993): "Cabled distribution systems for television and soundsignals - Part 1: Safety requirements".[2]ETS 300 673 (1996): "Radio Equipment and Systems (RES); ElectroMagneticCompatibility (EMC) standard for 4/6 GHz and 11/12/14 GHz Very SmallAperture Terminal (VSAT) equipment and 11/12/13/14 GHz Satellite NewsGathering (SNG) Transportable Earth Station (TES) equipment".[3]ETS 300 456: "Satellite Earth Stations and Systems (SES); Test methods forVery Small Aperture Terminals (VSATs) operating in the 11/12/14 GHzfrequency bands".[4]ITU-R Recommendation 732 (1992): "Method for statistical processing of Earthstation antenna side-lobe peaks".3Definitions and abbreviations3.1DefinitionsFor the purposes of this ETS, the following definitions apply:ancillary equipment: Equipment used in connection with the VSAT is considered as ancillary if thefollowing conditions are met:a)the equipment is intended for use in conjunction with the VSAT to provide additional operationaland/or control features (e.g. to extend control to another position or location); andb)the equipment cannot be used on a stand alone basis to provide user functions independently of theVSAT; andc)the absence of the equipment does not inhibit the operation of the VSAT.cross-polarization discrimination: The ratio of the on-axis co-polar gain to the cross-polar gain in agiven direction, at a receive frequency.indoor unit: Is composed of that part of the VSAT which is not part of the outdoor unit. It is generallyinstalled inside a building and is connected to the outdoor u
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