1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationOptical fibre cablesPart 2-31: Indoor optical fibre cables Detailed specification for optical fibre ribbon cables for use in premises cablingBS EN 60794-2-31:2013National forewor
2、dThis British Standard is the UK implementation of EN 60794-2-31:2013. It isidentical to IEC 60794-2-31:2012. It supersedes BS EN 60794-2-31:2006which is withdrawn.The UK participation in its preparation was entrusted by Technical CommitteeGEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibr
3、es 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 provisions of acontract. Users are responsible for its correct application. The British Standards Institution 2013 Published
4、by BSI Standards Limited 2013 ISBN 978 0 580 71601 0 ICS 33.180.10Compliance 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 28 February 2013.Amendments issued since public
5、ationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60794-2-31:2013EUROPEAN STANDARD EN 60794-2-31 NORME EUROPENNE EUROPISCHE NORM January 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische N
6、ormung 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 60794-2-31:2013 E ICS 33.180.10 Supersedes EN 60794-2-31:2006 English version Optical fibre cables - Part 2-31: Ind
7、oor cables - Detailed specification for optical fibre ribbon cables for use in premises cabling (IEC 60794-2-31:2012) Cbles fibres optiques - Partie 2-31: Cbles intrieurs - Spcification particulire pour les cbles fibres optiques en ruban utiliss dans le cblage de locaux (CEI 60794-2-31:2012) Lichtwe
8、llenleiterkabel - Teil 2-31: LWL-Innenkabel - Bauartspezifikation fr LWL-Bandkabel zur Innenverlegung fr anwendungsneutrale Standortverkabelung (IEC 60794-2-31:2012) This European Standard was approved by CENELEC on 2012-12-12. CENELEC members are bound to comply with the CEN/CENELEC Internal Regula
9、tions 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 me
10、mber. 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 versi
11、ons. 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
12、 Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 60794-2-31:2013EN 60794-2-31:2013 - 2 - Foreword The text of document 86A/1468/FDIS, future edition 2 of IEC 60794-2-31, prepared by SC 86A, “Fibres and cables“, of I
13、EC TC 86, “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60794-2-31:2013. 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 (dop) 201
14、3-09-12 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2015-12-12 This document supersedes EN 60794-2-31:2006. EN 60794-2-31:2013 includes the following significant technical changes with respect to EN 60794-2-31:2006: incorporation of the OM4 ca
15、bled fibre performance category; incorporation of the OS2 cabled fibre performance category; incorporation of the B6_a1 and B6_a2 fibre categories as per EN 60793-2-50. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/o
16、r CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60794-2-31:2012 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes hav
17、e to be added for the standards indicated: IEC 60794-1-1 NOTE Harmonized as EN 60794-1-1. IEC 60794-2 NOTE Harmonized as EN 60794-2. BS EN 60794-2-31:2013- 3 - EN 60794-2-31:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications Th
18、e 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
19、 an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. To be used together with the Annexes ZA of EN 60794-1-1, EN 60794-1-2, EN 60794-2 and EN 60794-2-30. Publication Year Title EN/HD Year IEC 60793-2-10 2011 Optical fibres - Part 2-
20、10: Product specifications - Sectional specification for category A1 multimode fibres EN 60793-2-10 2011 IEC 60793-2-50 2008 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres EN 60793-2-50 2008 IEC 60794-1-2 - Optical fibre cables - Part 1-2:
21、 Generic specification - Basic optical cable test procedures EN 60794-1-2 - IEC 60794-2-30 2008 Optical fibre cables - Part 2-30: Indoor cables - Family specification for ribbon cables EN 60794-2-30 2008 ISO/IEC 11801 - Information technology - Generic cabling for customer premises - - BS EN 60794-2
22、-31:2013 2 60794-2-31 IEC:2012 CONTENTS 1 Scope . 5 2 Normative references . 5 3 General requirements . 5 4 Particular requirements 6 Temperature cycling 6 4.1Transmission requirements 6 4.2Attenuation of cabled fibre . 6 4.2.1Fibre bandwidth requirements 7 4.2.2Bibliography 8 Table 1 Multimode maxi
23、mum cable attenuation coefficient (dB/km) 6 Table 2 Single-mode maximum cable attenuation coefficient (dB/km) 7 Table 3 Minimum multimode fibre bandwidth (MHzkm) . 7 BS EN 60794-2-31:201360794-2-31 IEC:2012 5 OPTICAL FIBRE CABLES Part 2-31: Indoor cables Detailed specification for optical fibre ribb
24、on cables for use in premises cabling 1 Scope This part of the IEC 60794 series presents the detailed requirements specific to indoor optical fibre ribbon cables to ensure compatibility with ISO/IEC 11801. The requirements of the family specification IEC 60794-2-30 are applicable to cables covered b
25、y this standard. The particular requirements detailed in Clause 4 either define a specific option relative to the requirements of IEC 60794-2-30 or define additional requirements. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are
26、 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 They complete the normative references already listed in the generic specification (IEC 60794-1-11
27、1and IEC 60794-1-2) and in the sectional specification (IEC 60794-2 2) or in the family specification (IEC 60794-2-30). IEC 60793-2-10:2011, Optical fibres Part 2-10: Product specifications Sectional specification for category A1 multimode fibres IEC 60793-2-50:2008, Optical fibres Part 2-50: Produc
28、t specifications Sectional specification for class B single-mode fibres IEC 60794-1-2, Optical fibre cables Part 1-2: Generic specification Basic optical cable test procedures IEC 60794-2-30:2008, Optical fibre cables Part 2-30: Indoor cables Family specification for ribbon cables ISO/IEC 11801, Inf
29、ormation technology Generic cabling for customers premises 3 General requirements The cable shall comply with the family specification (IEC 60794-2-30) and meet the requirements that are defined in it. The optical fibre contained in the cables which are covered by this standard shall comply with one
30、 of the following standards and meet the normative requirements defined within them as applicable: IEC 60793-2-50:2008, Annex A (Single-mode B1.1 fibre) 1Numbers in square brackets refer to the Bibliography BS EN 60794-2-31:2013 6 60794-2-31 IEC:2012 IEC 60793-2-50:2008, Annex C (Single-mode B1.3 fi
31、bre) IEC 60793-2-50:2008, Annex G (Single-mode B6_a1 and B6_a2 fibre) IEC 60793-2-10:2011, Annex A (Multimode A1a.1, 50 m core fibre) IEC 60793-2-10:2011, Annex A (Multimode A1a.2, 50 m core fibre) IEC 60793-2-10:2011, Annex A (Multimode A1a.3, 50 m core fibre) IEC 60793-2-10:2011, Annex B (Multimod
32、e A1b, 62,5 m core fibre) To ensure compatibility with ISO/IEC 11801, optical performance level requirements are presented in terms of the performance classification codes for cabled optical fibre as follows: OS1 Single-mode fibre, categories B1.1, B1.3 or sub-categories B6_a1 and B6_a2; OS2 Single-
33、mode fibre, category B1.3 or sub-categories B6_a1 and B6_a2 OM1 Multimode fibre, model A1a.1 or sub-category;A1b OM2 Multimode fibre, model A1a.1 or sub-category;A1b; OM3 Multimode fibre, model A1a.2; OM4 Multimode fibre, model A1a.3. NOTE These codes are informative from the perspective of the requ
34、irements defined in this detailed specification. 4 Particular requirements Temperature cycling 4.1The cable shall meet the requirement of IEC 60794-2-30:2008, Table 2, Option c (20 C to +60 C). The test shall be performed on a 50 m specimen. No attenuation changes shall be allowed during the test (s
35、ee IEC 60794-1-2 for definition of “no change in attenuation). Transmission requirements 4.2Attenuation of cabled fibre 4.2.1Depending on the fibre category, the attenuation coefficient of the cabled fibre shall be less than the maximum values in Table 1 for the multimode fibres and less than the ma
36、ximum values in Table 2 for single-mode fibres for the wavelengths listed in the table. The fibre category shall be agreed between customer and supplier. Table 1 Multimode maximum cable attenuation coefficient (dB/km) Fibre Attenuation coefficient at 850 nm Attenuation coefficient at 1 300 nm Perfor
37、mance codes IEC 60793-2-10, A1a.1 3,5 1,5 OM1 OM2 IEC 60793-2-10, A1a.2 3,5 1,5 OM1 OM2 OM3 IEC 60793-2-10, A1a.3 3,5 1,5 OM1 OM2 OM3 OM4 IEC 60793-2-10, A1b 3,5 1,5 OM1 OM2 BS EN 60794-2-31:201360794-2-31 IEC:2012 7 Table 2 Single-mode maximum cable attenuation coefficient (dB/km) Fibre Wavelengths
38、 nm Maximum attenuation coefficient Performance codes IEC 60793-2-50, B1.1, B1.3 ,B6_a1 , B6_a2 1 310, 1 550 1,0 OS1 IEC 60793-2-50, B1.3, B6_a1, B6_a2 1 310, 1 383, 1 550 0,4 OS2 Fibre bandwidth requirements 4.2.2There are no bandwidth requirements on single-mode fibre. For cables containing multim
39、ode fibres, the uncabled fibre shall be specified at one of the performance levels defined in Table 3 in terms of minimum bandwidth (MHz km), wavelength, and type of measurement. The fibre category and performance level shall be agreed between customer and supplier. Table 3 Minimum multimode fibre b
40、andwidth (MHzkm) Fibre Nominal core diameter m Overfilled bandwidth at 850 nm Overfilled bandwidth at 1 300 nm Effective modal bandwidth at 850 nm Performance codes IEC 60793-2-10, A1a.1 50 200 500 na OM1 IEC 60793-2-10, A1a.1 50 500 500 na OM2 IEC 60793-2-10, A1a.2 50 1 500 500 2 000 OM3 IEC 60793-
41、2-10, A1a.3 50 3 500 500 4 700 OM4 IEC 60793-2-10, A1b 62,5 200 500 na OM1 IEC 60793-2-10, A1b 62,5 500 500 na OM2 BS EN 60794-2-31:2013 8 60794-2-31 IEC:2012 Bibliography IEC 60794-1-1, Optical fibre cables Part 1-1: Generic specification General IEC 60794-2, Optical fibre cables Part 2: Indoor cab
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