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EN 60794-3-2015 en Optical fibre cables - Part 3 Sectional specification - Outdoor cables.pdf

1、BSI Standards PublicationOptical fibre cablesPart 3: Sectional specification - Outdoor cablesBS EN 60794-3:2015National forewordThis British Standard is the UK implementation of EN 60794-3:2015. It is identical to IEC 60794-3:2014. It supersedes BS EN 60794-3:2002 which is withdrawn.The UK participa

2、tion in its preparation was entrusted by Technical Com-mittee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary prov

3、isions ofa contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83522 3ICS 33.180.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published

4、 under the authority of theStandards Policy and Strategy Committee on 31 January 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60794-3:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60794-3 January 2015 ICS 33.180.10 Supersedes EN 60794-3:2002 E

5、nglish Version Optical fibre cables - Part 3: Sectional specification - Outdoor cables (IEC 60794-3:2014) Cbles fibres optiques - Partie 3: Cbles extrieurs - Spcification intermdiaire (IEC 60794-3:2014) Lichtwellenleiterkabel - Teil 3: LWL-Auenkabel - Rahmenspezifikation (IEC 60794-3:2014) This Euro

6、pean Standard was approved by CENELEC on 2014-10-14. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical reference

7、s concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN

8、ELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugosla

9、v Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standar

10、dization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60794-3:

11、2015 E BS EN 60794-3:2015EN 60794-3:2015 - 2 - Foreword The text of document 86A/1589/CDV, future edition 4 of IEC 60794-3, prepared by SC 86A “Fibres and cables“ of IEC/TC 86 “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60794-3:2015. The following date

12、s are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-07-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-10-14 This document sup

13、ersedes EN 60794-3:2002. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC

14、 60794-3:2014 was approved by CENELEC as a European Standard without any modification. BS EN 60794-3:2015- 3 - EN 60794-3:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are norm

15、atively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by

16、 common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60304 - Standard colours for insulation for low-frequenc

17、y cables and wires HD 402 S2 - IEC 60708 - Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath EN 60708 - IEC 60793-1-21 - Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry EN 60793-1-21 - IEC 60793-1-32 - Optical fibres - Part

18、1-32: Measurement methods and test procedures - Coating strippability EN 60793-1-32 - IEC 60793-1-40 (mod) - Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation EN 60793-1-40 - +AA IEC 60793-1-44 - Optical fibres - Part 1-44: Measurement methods and test procedures - Cu

19、t-off wavelength EN 60793-1-44 - IEC 60793-2 - Optical fibres - Part 2: Product specifications - General EN 60793-2 - IEC 60794-1-1 - Optical fibre cables - Part 1-1: Generic specification - General EN 60794-1-1 - IEC 60794-1-21 - Optical fibre cables - Part 1-21: Generic specification - Basic optic

20、al cable test procedures - Mechanical tests methods FprEN 60794-1-21 - IEC 60794-1-22 - Optical fibre cables - Part 1-22: Generic specification - Basic optical cable test procedures - Environmental test methods EN 60794-1-22 - IEC 60794-1-23 - Optical fibre cables - Part 1-23: Generic specification

21、- Basic optical cable test procedures - Cable element test methods EN 60794-1-23 - IEC 60811-202 - Electric and optical fibre cables - Test methods for non-metallic materials - Part 202: General tests - Measurement of thickness of non-metallic sheath EN 60811-202 - IEC 60811-203 - Electric and optic

22、al fibre cables - Test methods for non-metallic materials - Part 203: General tests - Measurement of overall dimensions EN 60811-203 - IEC 60811-401 - Electric and optical fibre cables - Test methods for non-metallic materials - Part 401: Miscellaneous tests - Thermal ageing methods - Ageing in an a

23、ir oven EN 60811-401 - BS EN 60794-3:2015EN 60794-3:2015 - 4 - IEC 60811-406 - Electric and optical fibre cables - Test methods for non-metallic materials - Part 406: Miscellaneous tests - Resistance to stress cracking of polyethylene and polypropylene compounds EN 60811-406 - IEC 60811-501 - Electr

24、ic and optical fibre cables - Test methods for non-metallic materials - Part 501: Mechanical tests - Tests for determining the mechanical properties of insulating and sheathing compounds EN 60811-501 - IEC 60811-604 - Electric and optical fibre cables - Test methods for non-metallic materials - Part

25、 604: Physical tests - Measurement of absence of corrosive components in filling compounds EN 60811-604 - IEC 60811-607 - Electric and optical fibre cables - Test methods for non-metallic materials - Part 607: Physical tests - Test for the assessment of carbon black dispersion in polyethylene and po

26、lypropylene EN 60811-607 - IEC/TR 62690 - Hydrogen effects in optical fibre cables - Guidelines - - IEC/TR 62691 - Optical fibre cables - Guide to the installation of optical fibre cables - - BS EN 60794-3:2015 2 IEC 60794-3:2014 IEC 2014 CONTENTS 1 Scope 6 2 Normative references 6 3 Terms, definiti

27、ons, symbols and abbreviations . 7 4 Optical fibre . 7 4.1 General . 7 4.2 Attenuation . 8 Attenuation coefficient . 8 4.2.1Attenuation uniformity Attenuation discontinuities 8 4.2.24.3 Cut-off wavelength 8 4.4 Fibre colouring 8 4.5 Polarization mode dispersion (PMD) . 8 5 Cable element . 8 5.1 Gene

28、ral . 8 5.2 Tight secondary coating or buffer 9 5.3 Ruggedized fibre . 9 5.4 Slotted core 9 5.5 Polymeric tube 9 5.6 Ribbon 9 General . 9 5.6.1Dimensions 10 5.6.2Mechanical requirements . 10 5.6.35.7 Metallic tube . 11 Metallic tube on the optical core 11 5.7.1Fibres directly located in a metallic t

29、ube 11 5.7.26 Optical fibre cable construction 11 6.1 General . 11 6.2 Lay-up of the cable elements 12 6.3 Cable core filling . 12 6.4 Strength member 12 6.5 Moisture barrier 12 6.6 Cable sheath and armouring . 13 Inner sheath 13 6.6.1Armouring 13 6.6.2Outer sheath 13 6.6.36.7 Sheath marking . 14 6.

30、8 Hydrogen gas . 14 7 Installation and operating conditions 14 8 Characterization of cable elements 14 9 Optical fibre cable tests . 15 10 Quality assurance 16 Bibliography 17 BS EN 60794-3:2015IEC 60794-3:2014 IEC 2014 3 Table 1 Maximum dimensions of optical fibre ribbons. 10 Table 2 Characteristic

31、s of different types of cable elements . 15 Table 3 Mechanical and environmental applicable tests . 16 BS EN 60794-3:2015 6 IEC 60794-3:2014 IEC 2014 OPTICAL FIBRE CABLES Part 3: Outdoor cables Sectional specification 1 Scope This part of IEC 60794 specifies the requirements for optical fibre cables

32、 and cable elements which are intended to be used externally in communications networks. Other types of applications requiring similar types of cables can be considered. Requirements for cables to be used in ducts, for directly buried applications, aerial cables and cables for lake and river crossin

33、gs are included in this standard. Also included are cables for specialized use in sewers and in water and gas pipes. For aerial application, this standard does not cover all functional aspects of cables installed in the vicinity of overhead power lines. For such applications, additional requirements

34、 and test methods may be necessary. Moreover, this standard excludes optical ground wires and cables attached to the phase or earth conductors of overhead power lines. For cables for lake and river crossings, this standard does not cover methods of cable repair, nor repair capability, nor does it co

35、ver cables for use with underwater line amplifiers. NOTE IEC TR 62839-11gives rules to built an environmental declaration if needed. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated r

36、eferences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60304, Standard colours for insulation for low-frequency cables and wires IEC 60708, Low-frequency cables with polyolefin insulation and moisture b

37、arrier polyolefin sheath IEC 60793-1-21, Optical fibres Part 1-21: Measurement methods and test procedures Coating geometry 1IEC 60793-1-32, Optical fibres Part 1-32: Measurement methods and test procedures Coating strippability IEC 60793-1-40, Optical fibres Part 1-40: Measurement methods and test

38、procedures Attenuation IEC 60793-1-44, Optical fibres Part 1-44: Measurement methods and test procedures Cut-off wavelength IEC 60793-2, Optical fibres Part 2: Product specifications General _ 1To be published. BS EN 60794-3:2015IEC 60794-3:2014 IEC 2014 7 IEC 60794-1-1, Optical fibre cables Part 1-

39、1: Generic specification General IEC 60794-1-21, Optical fibre cables Part 1-21: Generic specification Basic optical cable test procedures Mechanical test methods2IEC 60794-1-22, Optical fibre cables Part 1-22: Basic optical cable test procedures Environmental test methods IEC 60794-1-23, Optical fi

40、bre cables Part 1-23: Basic optical cable test procedures Cable elements test methods IEC 60811-202, Electric and optical fibre cables Test methods for non-metallic materials Part 202: General tests Measurement of thickness of non-metallic sheaths IEC 60811-203, Electric and optical fibre cables Tes

41、t methods for non-metallic materials Part 203: General tests Measurement of overall dimensions IEC 60811-401, Electric and optical fibre cables Test methods for non-metallic materials Part 401: Miscellaneous tests Thermal ageing methods Ageing in an air oven IEC 60811-406, Electric and optical fibre

42、 cables Test methods for non-metallic materials Part 406: Miscellaneous tests Resistance to stress cracking of polyethylene and polypropylene compounds IEC 60811-501, Electric and optical fibre cables Test methods for non-metallic materials Part 501: General tests Tests for determining the mechanica

43、l properties of insulating and sheathing compounds IEC 60811-604:2012, Electric and optical fibre cables Test methods for non-metallic materials Part 604: Physical tests Measurement of absence of corrosive components in filling compounds IEC 60811-607, Electric and optical fibre cables Test methods

44、for non-metallic materials Part 607: Physical tests Test for the assessment of carbon black dispersion in polyethylene and polypropylene IEC TR 62690, Hydrogen effects in optical fibre cables Guidelines IEC TR 62691, Optical fibre cables Guide to the installation of optical fibre cables 3 Terms, def

45、initions, symbols and abbreviations For the purposes of this document, the terms, definitions, symbols and abbreviations given in IEC 60794-1-1 apply. 4 Optical fibre 4.1 General Optical fibre shall be used which meets the requirements of IEC 60793-2. The fibre type shall be agreed between the custo

46、mer and supplier. _ 2To be published. BS EN 60794-3:2015 8 IEC 60794-3:2014 IEC 2014 4.2 Attenuation Attenuation coefficient 4.2.1The maximum cabled fibre attenuation coefficient shall conform to IEC 60794-1-1. Particular values may be agreed between the customer and supplier. The attenuation coeffi

47、cient shall be measured in accordance with IEC 60793-1-40. Attenuation uniformity Attenuation discontinuities 4.2.2Attenuation uniformity shall conform to IEC 60794-1-1. 4.3 Cut-off wavelength For single-mode fibre, the cabled fibre cut-off wavelength ccshall be less than the operational wavelength,

48、 when measured in accordance with IEC 60793-1-44, and in conformity with IEC 60794 1-1. 4.4 Fibre colouring If the primary coated fibres are coloured for identification, the coloured coating shall be readily identifiable throughout the lifetime of the cable and shall be a reasonable match to IEC 603

49、04. 4.5 Polarization mode dispersion (PMD) Cabled single-mode fibre PMD shall conform to IEC 60794-1-1. 5 Cable element 5.1 General Generally, optical cables comprise several elements or individual constituents, depending on the cable design which takes into account the cable application, operating environment and manufacturing processes, as well as the ne

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