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BS EN 60794-3-12:2013 BSI Standards Publication Optical fibre cables Part 3-12: Outdoor cables — Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling BRITISH STANDARD BS EN 60794-3-12:2013 National foreword This British Standard is the UK implementation of EN 60794-3-12:2013 It is identical to IEC 60794-3-12:2012 It supersedes BS EN 60794-3-12:2006 which is withdrawn The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2013 Published by BSI Standards Limited 2013 ISBN 978 580 60668 ICS 33.180.10 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2013 Amendments issued since publication Amd No Date Text affected BS EN 60794-3-12:2013 EN 60794-3-12 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM June 2013 ICS 33.180.10 Supersedes EN 60794-3-12:2006 English version Optical fibre cables Part 3-12: Outdoor cables Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling (IEC 60794-3-12:2012) Câbles fibres optiques Partie 3-12: Câbles extérieurs Spécification particulière pour les câbles optiques de télécommunication destinés être installés dans des conduites ou être directement enterrés et utilisés dans le câblage de locaux (CEI 60794-3-12:2012) Lichtwellenleiterkabel Teil 3-12: LWL-Aenkabel Produktspezifikation für LWL-FernmeldeErd- und Rưhrenkabel für anwendungsneutrale Standortverkabelung (IEC 60794-3-12:2012) This European Standard was approved by CENELEC on 2013-01-16 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 references 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 CENELEC 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 Yugoslav 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 CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels © 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref No EN 60794-3-12:2013 E BS EN 60794-3-12:2013 EN 60794-3-12:2013 -2- Foreword The text of document 86A/1471/FDIS, future edition of IEC 60794-3-12, 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 60794-3-12:2013 The following dates 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 latest date by which the national standards conflicting with the document have to be withdrawn (dop) 2013-12-28 (dow) 2016-01-16 This document supersedes EN 60794-3-12:2006 EN 60794-3-12:2013 includes the following significant technical changes with respect to EN 60794-312:2006: – reference to ISO/IEC 24702; – reference to Fibre B6 (EN 60793-2-50); – reference to Fibre A1a.3 (EN 60793-2-10); – reference to the OS2 Fibre as defined by ISO/IEC 11801 – reference to the OM4 Fibre as defined by ISO/IEC 11801 This International Standard is to be used in conjunction with EN 60794-1-1, EN 60794-1-2 and EN 607943-10 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 60794-3-12:2012 was approved by CENELEC as a European Standard without any modification BS EN 60794-3-12:2013 EN 60794-3-12:2013 -3- Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively 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 When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies Publication Year Title EN/HD Year IEC 60793-2-10 2011 Optical fibres EN 60793-2-10 Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres 2011 IEC 60793-2-50 2012 Optical fibres Part 2-50: Product specifications - Sectional specification for class B single-mode fibres EN 60793-2-50 2013 IEC 60794-1-1 - Optical fibre cables Part 1-1: Generic specification - General EN 60794-1-1 - IEC 60794-1-2 - Optical fibre cables EN 60794-1-2 Part 1-2: Generic specification - Basic optical cable test procedures - IEC 60794-3 - Optical fibre cables Part 3: Sectional specification - Outdoor cables EN 60794-3 - IEC 60794-3-10 - Optical fibre cables Part 3-10: Outdoor cables - Family specification for duct, directly buried and lashed aerial optical telecommunication cables EN 60794-3-10 - ISO/IEC 11801 - Information technology Generic cabling for customer premises - - ISO/IEC 24702 - Information technology Generic cabling - Industrial premises - - –2– BS EN 60794-3-12:2013 60794-3-12 © IEC:2012 CONTENTS Scope Normative references General requirements Particular requirements 4.1 4.2 General MICE (mechanical, ingress, climatic and chemical and electromagnetic) characteristics 4.3 Transmission requirements 4.3.1 Attenuation of cabled fibre 4.3.2 Fibre bandwidth requirements 4.3.3 Polarization mode dispersion (PMD) requirements Bibliography Table – Multimode maximum cable attenuation coefficient (dB/km) Table – Single-mode maximum cable attenuation coefficient (dB/km) Table – Minimum multimode fibre bandwidth (MHz × km) BS EN 60794-3-12:2013 60794-3-12 © IEC:2012 –5– OPTICAL FIBRE CABLES – Part 3-12: Outdoor cables – Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling Scope This part of IEC 60794 is a detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling to ensure compatibility with ISO/IEC 11801 and ISO/IEC 24702 Those standards have requirements to ensure that models work for generic cabling and system performances Values in this standard support these models The requirements of the family specification IEC 60794-3-10 are applicable to cables covered by this standard Particular requirements detailed in Clause of this standard either define a specific option relative to the requirements of IEC 60794-3-10 or define additional requirements Normative references The following documents, in whole or in part, are normatively 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 These references complete the normative references already listed in the generic specifications IEC 60794-1-1 and IEC 60794-1-2, in the sectional specification IEC 60794-3 and in the family specification IEC 60794-3-10 IEC 60793-2-10:2011, Optical fibres − Part 2-10: Product specifications − Sectional specification for category A1 multimode fibres IEC 60793-2-50:2012, Optical fibres − Part 2-50: Product specifications − Sectional specification for class B single-mode fibres IEC 60794-1-1, Optical fibre cables – Part 1-1: Generic specification – Cross reference table for optical cable test procedures IEC 60794-1-2, Optical fibre cables – Part 1-2: Generic specification – Cross reference table for optical cable test procedures IEC 60794-3, Optical fibre cables − Part 3: Sectional specification – Outdoor cables IEC 60794-3-10, Optical fibre cables − Part 3-10: Outdoor cables − Family specification for duct, directly buried and lashed aerial optical telecommunication cables ISO/IEC 11801, Information technology − Generic cabling for customer premises _ IEC 60794-1-2:2003, Second edition has been withdrawn A third edition, with the revised title Optical fibre cables - Part 1-2: Generic specification - Cross reference table for optical cable test procedures, is currently in preparation BS EN 60794-3-12:2013 60794-3-12 © IEC:2012 –6– ISO/IEC 24702, Information technology − Generic cabling – Industrial premises General requirements The cable shall comply with the family specification, IEC 60794-3-10, and meet the requirements which are defined in it, including requirements in the sectional specification, 60794-3 Particular requirements detailed in Clause are optional, relative to the requirements of IEC 60794-3-10, or define additional requirements The optical fibre contained in cables covered by this standard shall comply with one of the following standards, and meet the normative requirements defined within them as applicable: – IEC 60793-2-50:2008, Annex A (Single-mode fibre category B1.1); – IEC 60793-2-50:2008, Annex C (Single-mode fibre category B1.3) ; – IEC 60793-2-50:2008, Annex G (Single-mode fibre sub-categories B6 a1 and B6 a2) – IEC 60793-2-10:2011, Annex A diameter); – IEC 60793-2-10:2011, Annex B (Multimode fibre sub-category A1b, 62,5 µm core diameter) (Multimode fibre sub-category A1a, 50 µm core To ensure compatibility with ISO/IEC 11801 and ISO/IEC 24702, optical performance level requirements are presented in terms of the performance classification codes as follows: – OS1 Single-mode fibre categories B1.1, B1.3 or sub-categories B6 a1, B6 a2; – OS2 Single-mode fibre category B1.3 or sub-categories B6 a1, B6 a2; – OM1 Multimode fibre sub-categories A1a, A1b; – OM2 Multimode fibre sub-categories A1a, A1b; – OM3 Multimode fibre model A1a.2; – OM4 Multimode fibre model A1a.3 NOTE These codes are informative from the perspective of the requirements defined in this detailed specification Particular requirements 4.1 General These requirements either define a specific option relative to the requirements of IEC 60794-3-10 or define additional requirements 4.2 MICE (mechanical, ingress, climatic and chemical and electromagnetic) characteristics Cables intended for installation in conformity with ISO/IEC 24702,and related standards, may require the specification of additional tests to ensure their suitability in the applicable environments defined by the mechanical, ingress, climatic and chemical and electromagnetic (MICE) classification Such tests are outside the scope of IEC 60794 cable specifications, and MICE criteria are not part of the requirements for IEC 60794 specifications The MICE tests may be the same as, similar to, or substantially different from, the tests required by IEC 60794 specifications Cables manufactured per IEC 60794 specifications may or may not meet the MICE criteria For supplemental discussion see IEC/TR 62362 [1] _ Numbers in square brackets refer to the Bibliography BS EN 60794-3-12:2013 60794-3-12 © IEC:2012 4.3 4.3.1 –7– Transmission requirements Attenuation of cabled fibre Depending on the fibre type, the attenuation coefficient of the cabled fibre shall be less than the maximum values in Table for multimode fibres, and less than the maximum values in Table for single-mode fibres, for the wavelengths as stated in Tables and The fibre category, sub-category or model as applicable shall be agreed between customer and supplier Table – Multimode maximum cable attenuation coefficient (dB/km) Fibre Attenuation coefficient at 850 nm Attenuation coefficient at 300 nm Performance code IEC 60793-2-10:2011, A1a.1 3,5 1,5 OM1, OM2 IEC 60793-2-10:2011, A1a.2 3,5 1,5 OM1, OM2, OM3 IEC 60793-2-10:2011, A1a.3 3,5 1,5 OM1, OM2, OM3, OM4 IEC 60793-2-10:2011, A1b 3,5 1,5 OM1, OM2 Table – Single-mode maximum cable attenuation coefficient (dB/km) Fibre Wavelengths nm Maximum attenuation coefficient Performance code IEC 60793-2-50:2008, B1.1, B1.3, B6 a1 or B6 a2 310, 550 1,0 OS1 IEC 60793-2-50:2008, B1.3, B6 a1 or B6 a2 310, 383, 550 0,4 OS2 NOTE Optical fibre B6 a is recommended when it is expected that the optical fibre or the cable will have to support smaller bend radii than 25 mm 4.3.2 Fibre bandwidth requirements There are no bandwidth requirements on single-mode fibre For cables containing multimode fibres, the uncabled fibre shall be specified at one of performance levels defined in Table in terms of minimum bandwidth (MHz × km), wavelength, and type of measurement The fibre category, sub-category or model as applicable and performance level shall be agreed between customer and supplier BS EN 60794-3-12:2013 60794-3-12 © IEC:2012 –8– Table – Minimum multimode fibre bandwidth (MHz × km) Fibre Nominal core diameter µm Overfilled bandwidth at 850 nm Overfilled bandwidth at 300 nm Effective modal bandwidth at 850 nm Performance code IEC 60793-2-10:2011, A1a.1 50 200 500 N/A OM1 IEC 60793-2-10:2011, A1a.1 50 500 500 N/A OM2 IEC 60793-2-10:2011, A1a.2 50 500 500 000 OM3 IEC 60793-2-10:2011, A1a.3 50 500 500 700 OM4 IEC 60793-2-10:2011, A1b 62,5 200 500 N/A OM1 IEC 60793-2-10:2011, A1b 62,5 500 500 N/A OM2 N/A 4.3.3 Not applicable Polarization mode dispersion (PMD) requirements Cables containing single-mode fibres shall meet the PMD requirement of IEC 60794-3 This is 1/2 given as a link design value, PMD Q , with a maximum of 0,5 ps/km allowed BS EN 60794-3-12:2013 60794-3-12 © IEC:2012 –9– Bibliography [1] IEC/TR 62362, Selection of optical fibre cable specifications relative to mechanical, ingress, climatic or electromagnetic characteristics – Guidance _ This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British 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