1、BSI Standards PublicationBS EN 50551-2:2013Simplex and duplex cables to be used for cordsPart 2: Detailed specification and minimum r e q u i r e m e n t s f o r a 3 , 0 m m s i m p l e x ruggedised single mode fibre cable to be used for patchcords/cords category UBS EN 50551-2:2013 BRITISH STANDARD
2、National forewordThis British Standard is the UK implementation of EN 50551-2:2013.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/86/1, Optical fibres and cables.A list of organizations represented on this committee can beobtained on request to its secretary.This pub
3、lication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 70793 3ICS 33.180.10Compliance with a British Standard cannot confer immunity
4、 fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2013.Amendments issued since publicationDate Text affectedBS EN 50551-2:2013EUROPEAN STANDARD EN 50551-2 NORME EUROPENNE EUROPISCHE NORM October 2013 CENELEC Eur
5、opean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved wor
6、ldwide for CENELEC members. Ref. No. EN 50551-2:2013 E ICS 33.180.10 English version Simplex and duplex cables to be used for cords - Part 2: Detailed specification and minimum requirements for a 3,0 mm simplex ruggedised single mode fibre cable to be used for patchcords/cords category U Cbles simpl
7、ex et duplex destins tre utiliss en tant que cordons - Partie 2: Spcifications particulires et exigences minimales relatives aux cbles fibres optiques unimodales renforcs simplex de 3,0 mm pour usage en cordons / cordons de brassage, en Catgorie U Simplex- und Duplex-Kabel, die in konfektionierten L
8、eitungen benutzt werden - Teil 2: Bauartspezifikation und Mindestanforderungen fr ein 3,0 mm-Simplex-Einmodenfaserkabel mit zustzlichem Schutz fr konfektionierte Kabel/Leitungen der Kategorie U This European Standard was approved by CENELEC on 2013-08-19. CENELEC members are bound to comply with the
9、 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
10、 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
11、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, Lithu
12、ania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 50551-2:2013EN 50551-2:2013 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Cable description 5 4 Optical fibres Single mo
13、de optical fibre . 7 5 Buffer 7 6 Cable construction 8 6.1 General . 8 6.2 Mechanical and environmental tests . 9 BS EN 50551-2:2013 3 EN 50551-2:2013 Foreword This document (EN 50551-2:2013) has been prepared by CLC/TC 86A “Optical fibres and optical fibre cables“. The following dates are fixed: la
14、test date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-08-19 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-08-19 Attention is drawn to the poss
15、ibility 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. EN 50551 is composed with the following parts: EN 50551-1, Simplex and duplex cables to be used for cords Part 1: Bl
16、ank Detail Specification and minimum requirements; EN 50551-2, Simplex and duplex cables to be used for cords Part 2: Detailed specification and minimum requirements for a 3,0 mm simplex ruggedised single mode fibre cable to be used for patchcords/cords category U. This European Standard was jointly
17、 prepared by the Technical Committee CLC/TC 86A “Optical fibres and optical fibre cables“, and the Technical Committee CLC/TC 86BXA “Fibre optic interconnect, passive and connectorised components“. _ BS EN 50551-2:2013EN 50551-2:2013 4 1 Scope This European Standard describes the minimum set of requ
18、irements that a simplex ruggedised single mode fibre cable shall meet in order to allow termination with a connector for use in category U (Uncontrolled Environment). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensabl
19、e 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. EN 60793-1-20, Optical fibres Part 1-20: Measurement methods and test procedures Fibre geometry (IEC 60793-1-20) EN 6
20、0793-1-21, Optical fibres Part 1-21: Measurement methods and test procedures Coating geometry (IEC 60793-1-21) EN 60793-1-40, Optical fibres Part 1-40: Measurement methods and test procedures Attenuation (IEC 60793-1-40) EN 60793-1-44, Optical fibres Part 1-44: Measurement methods and test procedure
21、s Cut-off wavelength (IEC 60793-1-44) EN 60793-1-45, Optical fibres Part 1-45: Measurement methods and test procedures Mode field diameter (IEC 60793-1-45) EN 60793-2-50, Optical fibres Part 2-50: Product specifications Sectional specification for class B single-mode fibres (IEC 60793-2-50) EN 60794
22、-1 (all parts), Optical fibre cables (IEC 60794-1, all parts) EN 60794-2 (all parts), Optical fibre cables Part 2: Indoor cables (IEC 60794-2, all parts) EN 60794-2-50:2008, Optical fibre cables Part 2-50: Indoor cables Family specification for simplex and duplex cables for use in terminated cable a
23、ssemblies (IEC 60794-2-50:2008) EN 60811-201, Electric and optical fibre cables Test methods for non-metallic materials Part 201: General tests Measurement of insulation thickness (IEC 60811-201) EN 60811-203, Electric and optical fibre cables Test methods for non-metallic materials Part 203: Genera
24、l tests Measurement of overall dimensions (IEC 60811-203) EN 61034-1, Measurement of smoke density of cables burning under defined conditions Part 1: Test apparatus (IEC 61034-1) EN 61034-2, Measurement of smoke density of cables burning under defined conditions Part 2: Test procedure and requiremen
25、ts (IEC 61034-2) EN 61753-1, Fibre optic interconnecting devices and passive components performance standard Part 1: General and guidance for performance standards (IEC 61753-1) IEC 60332-3-25, Tests on electric and optical fibre cables under fire conditions Part 3-25: Test for vertical flame spread
26、 of vertically-mounted bunched wires or cables Category D IEC 60754-1, Test on gases evolved during combustion of materials from cables Part 1: Determination of the halogen acid gas content IEC 60754-2, Test on gases evolved during combustion of materials from cables Part 2: Determination of acidity
27、 (by pH measurement) and conductivity BS EN 50551-2:2013 5 EN 50551-2:2013 3 Cable description (1) Prepared by CLC/TC 86A (2) Document No : Issue : Date : (3) Available from : (4) Generic Specification : EN 60794-1 Sectional Specification : EN 60794-2 (all parts) Family Specification : EN 60794-2-50
28、 Product Specification : - (5) Additional references : (6) Cable description : Simplex ruggedised single mode cables to be used for patchcords/cords according to EN 61753-1 Category U (7) Cable construction : Optical fibres B1.1, B1.3, B6a, B6b Fibre count 1 Construction - Tight or semi-tight second
29、ary coating - Strength Elements non metallic - Strength Elements - metallic tight buffer coated Strength Elements aramid yarns Lay-up: Buffer - Material - Nominal outer diameter - 900 m Sheath - Material - Maximum diameter - Nominal thickness - Thickness tolerances - Colour LSZH (see fire requiremen
30、ts) 3,0 mm 0,2 mm Yellow recommended Additional armouring (if required) - Non-metallic armouring - Metallic armouring None Marking identification - Customer requirement BS EN 50551-2:2013EN 50551-2:2013 6 (8) Application information Application (work area cord, equipment cord, patchcord, etc.) Work
31、area cord, equipment cord, patchcord Maximum tensile load (short term load for installation) 150 N Max fibre strain 0,45 % at max tensile load Number of repeated bending 500 cycles Minimum bending radius for operation 30 mm Minimum bending radius for installation 60 mm because of bending and tension
32、 at the same time (dynamic) Temperature range : - Transport and storage -45 C to +70 C - Installation -5 C to +45 C - Operation -25 C to +70 C Fire performance IEC 60332-3-25 EN 61034-1/-2 and IEC 60754-1/-2 or according to local regulations BS EN 50551-2:2013 7 EN 50551-2:2013 4 Optical fibres Sing
33、le mode optical fibre (9) Characteristics Family specification (10) Requirements (11) Test methods (12) Remarks (13) Uncabled optical fibre EN 60793-2-50, B1.1, B1.3, B6a, B6b EN 60793-2-50, B1.3 Attenuation coefficient (cabled fibres) at 1 310 nm at 1 383 nm at 1 550 nm and at 1 625 nm, etc. 0,4 dB
34、/km 0,4 dB/km 0,3 dB/km 0,4 dB/km EN 60793-1-40 Attenuation Discontinuities at 1 310 nm and 1 550 nm None EN 60793-1-40 Cabled fibre cut-off wavelength, cc 1 260 nm EN 60793-1-44 Nominal mode field diameter Mode field diameter tolerance - at 1 310 nm 9,2 m 0,3 m EN 60793-1-45 Core/cladding concentri
35、city 0,6 m EN 60793-1-20 Cladding non-circularity 1 % EN 60793-1-20 Cladding diameter 125 m EN 60793-1-20 Cladding diameter tolerance 0,7 m EN 60793-1-20 Primary coating nominal diameter 245 m EN 60793-1-21 Primary coating nominal diameter tolerance 10 m EN 60793-1-21 5 Buffer (10) Characteristics F
36、amily specification EN 60794-2-50 :2008, Clause Requirements Test methods Remarks Construction: - tight - semi-tight 4.3 - Tight Filler - None Strippability: - tight - semi-tight 4.3 Tight tube 50 mm one pass with a force of up to 15 N EN 60794-2-50, E21 Shrinkage: - tight - semi-tight - N/A BS EN 5
37、0551-2:2013EN 50551-2:2013 8 6 Cable construction 6.1 General (11) Characteristics EN 60794-2-50:2008 Subclause Requirements Test methods Remarks Lay-up - Visual inspection Cable core - Strength member 4.5 Visual inspection - under the sheath under the sheath - in the sheath Outer cable sheath 4.6 M
38、aterial - Local minimum sheath thickness 4.6 0,5 mm EN 60811-201 Outer diameter 4.6 3,0 mm 0,2 mm EN 60811-203 Optional protection - Sheath marking 4.7 Configuration, dimensions - Visual inspection Sheath marking abrasion resistance 4.7 Steel needle diameter d = 1,0 mm load: 4 N EN 60794-1-2, Method
39、 E2B, Method 1 Sheath shrinkage 5.3.2 Class 3 Class 2 Class 1 EN 60794-1-22, F11 2% 1 % 0,5% Buffered fibre movement in compression 5.2.10 1 mm distance with a force of 1 N at 0,4 mm (each sample to be tested before and after aging at 70 C for 24 h, 1 cycle) EN 60794-2-50:2008, Annex D (no attenuati
40、on measurement is needed) Sheath pull-off force 1 N for 50 mm EN 60794-2-50:2008, Annex B Sheath abrasion resistance 4.6 Steel needle diameter d = 1,0 mm load: 4 N EN 60794-1-2, E2A BS EN 50551-2:2013 9 EN 50551-2:2013 6.2 Mechanical and environmental tests (12) Characteristics EN 60794-2-50:2008, C
41、lause Requirements Test methods Remarks General 5 Wavelength for all tests: 1 550 nm Tensile performance 5.2.1 150 N EN 60794-1-2, Method E1A and E1B Attenuation variation 0,1 dB during test Installation capability (selection from the following) - - bending under tension - EN 60794-1-2, Method E18 A
42、ttenuation variation 0,1 dB after test - repeated bending 5.2.4 500 cycles EN 60794-1-2, Method E6 Attenuation variation 0,1 dB after test - impact 5.2.3 1 J, R = 12,5 mm, 3 at different location 500 mm apart EN 60794-1-2, Method E4 Attenuation variation 0,1 dB after test - kink 5.2.8 10 mm EN 60794
43、-1-2, Method E10 No residual damage or kinks after test Torsion 5.2.6 25 N at 1 N/s 25 cycles 180 degrees 250 mm length EN 60794-1-2, Method E7 Attenuation variation 0,1 dB during test. No mechanical damage Cable bend 5.2.5 30 mm radius 6 turns of helix and 3 cycles EN 60794-1-2, Method E11A Attenua
44、tion variation 0,1 dB during test Crush 5.2.2 500 N EN 60794-1-2, Method E3 Attenuation variation 0,1 dB during test Temperature cycling 5.3.1 Length 10 m -25 C to +70 C EN 60794-1-22, Method F12 Attenuation variation 0,1 dB during test This page deliberately left blankThis page deliberately left bl
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