BS EN 50377-15-1:2011 BSI Standards Publication Connector sets and interconnect components to be used in optical fibre communication systems — Product specifications Part 15-1: Type MPO with 12-fibre PPS ferrules terminated on IEC 60793-2 category A1a multimode fibre for 50/125 micron multimode fibre BS EN 50377-15-1:2011 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 50377-15-1:2011 The UK participation in its preparation was entrusted to Technical Committee GEL/86/2, Fibre optic interconnecting devices and passive components 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 © BSI 2011 ISBN 978 580 63700 ICS 33.180.20 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 30 April 2011 Amendments issued since publication Date Text affected BS EN 50377-15-1:2011 EUROPEAN STANDARD EN 50377-15-1 NORME EUROPÉENNE February 2011 EUROPÄISCHE NORM ICS 33.180.20 English version Connector sets and interconnect components to be used in optical fibre communication systems Product specifications Part 15-1: Type MPO with 12-fibre PPS ferrules terminated on IEC 60793-2 category A1a multimode fibre for 50/125 micron multimode fibre Jeux de connecteurs et composants d’interconnexion utiliser dans les systèmes de communication par fibres optiques – Spécifications de produits Partie 15-1: Type MPO équipé de férules PPS 12 fibres, raccordé sur fibres multimodales de catégorie A1a de la CEI 60793-2 pour fibres multimodales de 50/125 microns Steckverbindersätze und Verbindungsbauelemente für LichtwellenleiterDatenübertragungssysteme – Produktnormen – Teil 15 1: Bauart MPO mit PPS-Ferrulen mit 12 Fasern zum Anschluss an Mehrmodenfasern der Kategorie A1a nach IEC 60793 für 50/125 µm-Mehrmodenfasern This European Standard was approved by CENELEC on 2011-01-03 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 Central Secretariat 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 Central Secretariat 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland 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 © 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref No EN 50377-15-1:2011 E BS EN 50377-15-1:2011 EN 50377-15-1:2011 –2– Foreword This European Standard was prepared by the Technical Committee CENELEC TC 86BXA, Fibre optic interconnect, passive and connectorised components The text of the draft was submitted to the formal vote and was accepted by CENELEC as EN 50377-15-1 on 2011-01-03 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN and CENELEC shall not be held responsible for identifying any or all such patent rights The following dates were fixed: – – latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-01-03 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-03 BS EN 50377-15-1:2011 –3– EN 50377-15-1:2011 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS – PRODUCT SPECIFICATIONS Part 15-1: Type MPO with 12 fibre PPS ferrules terminated on IEC 60793-2 category A1a multimode fibre for 50/125 micron multimode fibre Description Performance Coupling mechanism: push-pull Application: Indoor applications (test severities derived from IEC category C) Configuration: plug/adaptor/plug Fibre category: EN 60793-2, type A1a Attenuation grades: (random mated) Max ≤ 0,75 dB 95 % < 0,5 dB Mean ≤ 0,35 dB Cable type: see Table Return loss grades: R: ≥ 20 dB Related documents: EN 50173 series, Information technology – Generic cabling systems EN 60793-2, Optical fibres – Part 2: Product specifications – General (IEC 60793-2) EN 60794-2, Optical fibre cables – Part 2: Indoor cables – Sectional specification (IEC 60794-2) EN 60794-2-30, Optical fibre cables – Part 2-30: Indoor cables – Family specification for ribbon cables (IEC 60794-2-30) EN 61300 series, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures (IEC 61300 series) EN 61753-1, Fibre optic interconnecting devices and passive components performance standard – Part 1: General and guidance for performance standards (IEC 61753-1) EN 61754-7, Fibre optic interconnecting devices and passive components – Fibre optic connector interfaces – Part 7: Type MPO connector family (IEC 61754-7) ISO/IEC 11801, Information technology – Generic cabling for customer premises Maximum outline dimensions: REV BS EN 50377-15-1:2011 EN 50377-15-1:2011 –4– Contents Foreword 1 Scope 2 1.1 Product definition 1.2 Intermateability 1.3 Operating environment 1.4 Reliability 1.5 Quality assurance Normative references 3 Introduction 4 3.1 Description 3.2 Plug 3.3 Adapter 3.4 Materials 3.5 Dimensions 3.6 Colour and marking Variants 5 4.1 Terminated plug 4.2 Adapter 4.3 Identification of variants Dimensional requirements 10 6 5.1 Outline dimensions 10 5.2 Mating face and other limit dimensions 13 Tests 22 7 6.1 6.2 6.3 6.4 Test 8 Product qualification requirements 22 8.1 8.2 8.3 8.4 Annex A Sample size 22 Test and measurement methods 22 Test sequence 22 Pass/fail criteria 22 report 22 Dimensional and marking requirements 22 Optical performance requirements 23 Mechanical performance requirements 24 Environmental performance requirements 27 (normative) Sample size and product sourcing requirements 29 Annex B (informative) Reference connector details 30 B.1 Reference plug 30 B.2 Test details 31 Annex C (normative) Requirements for launch condition (Encircled flux) 32 Bibliography 33 BS EN 50377-15-1:2011 –5– EN 50377-15-1:2011 Figures Figure – Outline dimensions – Plug C01F / C02F 10 Figure – Outline dimensions – Plug C01M / C02M 10 Figure – Outline dimensions – Plug C03F 11 Figure – Outline dimensions – Plug C03M 11 Figure – Outline dimensions – Adapter D01 12 Figure – Dimensions – Plug 13 Figure – Optical datum target location diagram 15 Figure – Gauge pin 15 Figure – Plug gauge 16 Figure 10 – Fibre core lateral location 17 Figure 11 – Alignment pin 17 Figure 12 – End face parameters related to attenuation 18 Figure 13 – End face parameters related to physical contact 19 Figure 14 – Dimensions – Adapter 21 Figure B.1 – End face parameters of reference connector 30 Tables Table – Preferred colour scheme Table – Plug variants Table – Adapter variants Table – Identification of plug variants Table – Identification of adapter variants 10 Table – Optical performance requirements 23 Table – Mechanical performance requirements 24 Table – Environmental performance requirements 27 Table B.1 – Test details for reference connectors 31 Table C.1 – EF requirements for 50 µm core fibre at 850 nm 32 BS EN 50377-15-1:2011 EN 50377-15-1:2011 –6– Scope 1.1 Product definition This European Standard contains the initial, start of life dimensional, optical, mechanical and environmental performance requirements which a terminated and assembled 12 fibre multimode MPO connector set (plug adapter plug) must meet in order for it to be categorised as an EN standard product Since different variants are permitted, product marking details are given in 3.5 1.2 Intermateability All products conforming to the requirements of this standard will intermate and give the specified level of random attenuation and random return loss performance provided the same core size is used The intention is that this will be true irrespective of the manufacturing source(s) of the product 1.3 Operating environment The tests selected combined with the severity and duration are representative of a backplane/back panel indoor application derived from customer premise protected environment as defined in EN 50173 series and ISO/IEC 11801 and as specified in category C per EN 61753-1:2007 1.4 Reliability Whilst the anticipated service life expectancy of the product in this environment is 20 years, compliance with this standard does not guarantee the reliability of the product This should be predicted using a recognised reliability assessment programme 1.5 Quality assurance Compliance with this standard does not guarantee the manufacturing consistency of the product This should be maintained using a recognised quality assurance programme Normative references The following referenced documents are indispensable for the application of this document For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies EN 186000-1:1993 1), Generic Specification: Connector sets for optical fibres and cables – Part 1: Requirements, test methods and qualification approval procedures EN 50173 series, Information technology – Generic cabling systems EN 60793-2, Optical fibres – Part 2: Product specifications – General (IEC 60793-2) EN 61280-1-4, Fibre optic communication subsystem test procedures – Part 1-4: General communication subsystems – Light source encircled flux measurement method (IEC 61280-1-4) EN 61300 series, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures (IEC 61300 series) 1) EN 186000-1:1993 was withdrawn on 2008-06-01 and replaced by EN 60874-1:2007, Connectors for optical fibres and cables – Part 1: Generic specification BS EN 50377-15-1:2011 –7– EN 50377-15-1:2011 EN 61300-2-1, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-1: Tests – Vibration (sinusoidal) (IEC 61300-2-1) EN 61300-2-2, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-2: Tests – Mating durability (IEC 61300-2-2) EN 61300-2-4, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-4: Tests – Fibre/cable retention (IEC 61300-2-4) EN 61300-2-6, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-6: Tests – Tensile strength of coupling mechanism (IEC 61300-2-6) EN 61300-2-12:2009, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-12: Tests – Impact (IEC 61300-2-12:2009) EN 61300-2-17, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-17: Tests – Cold (IEC 61300-2-17) EN 61300-2-18, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-18: Tests – Dry heat – High temperature endurance (IEC 61300-2-18) EN 61300-2-19, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-19: Tests – Damp heat (steady state) (IEC 61300-2-19) EN 61300-2-22, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-22: Tests – Change of temperature (IEC 61300-2-22) EN 61300-2-42, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-42: Tests – Static side load for connectors (IEC 61300-2-42) EN 61300-2-44, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-44: Tests – Flexing of the strain relief of fibre optic devices (IEC 61300-2-44) EN 61300-3-6, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-6: Examinations and measurements – Return loss (IEC 61300-3-6) EN 61300-3-28, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-28: Examinations and measurements – Transient loss (IEC 61300-3-28) EN 61300-3-30, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-30: Examinations and measurements – Polish angle and fibre position on single ferrule multifibre connectors (IEC 61300-3-30) EN 61300-3-34, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-34: Examinations and measurements – Attenuation of random mated connectors (IEC 61300-3-34) EN 61753-1:2007, Fibre optic interconnecting devices and passive components performance standard – Part 1: General and guidance for performance standards (IEC 61753-1:2007) EN 61754-7, Fibre optic interconnecting devices and passive components – Fibre optic connector interfaces – Part 7: Type MPO connector family (IEC 61754-7) EN 61754-10:2005, Fibre optic connector interfaces – Part 10: Type Mini-MPO connector family (IEC 61754-10:2005) EN 61754-18, Fibre optic connector interfaces – Part 18: Type MT-RJ connector family (IEC 61754-18) BS EN 50377-15-1:2011 EN 50377-15-1:2011 –8– Introduction 3.1 Description The MPO connector is a single position plug connector set of plug adapter plug configuration characterised by a spring loaded butting rectangular ferrule with twelve optical fibres and a push-pull coupling mechanism The optical alignment mechanism of the connectors is of precision pin and hole type 3.2 Plug The plug features a rectangular thermo plastic composite ferrule and a push-pull coupling mechanism A cover (dust cap) to protect the ferrule end face when the connector is in the unmated condition shall be provided 3.3 Adapter The adapter has no role in the final alignment mechanism The mounting style is: – rectangular flange − holes Covers (dust caps) may be provided to protect each port of the adapter 3.4 Materials Materials which are not specified or which are not specifically described are left to the discretion of the manufacturer The material for the ferrule is Polyphenylene Sulphide (PPS) material with a Young’s modulus of 20 GPa nominal and guide pins are of stainless steel Alternative materials, which have compatible material properties, may be used as long as end face and performance requirements are met under all conditions as specified in this document 3.5 Dimensions Outline dimensions and other dimensions necessary to ensure intermateability or which affect performances are specified All other dimensions are left to the discretion of the manufacturer Where the mating face limit dimensions are not in agreement with the IEC interface this is clearly stated 3.6 Colour and marking Marking of the product shall be in accordance with 2.6.2 of EN 186000-1:1993 in the following order of precedence: a) identification of manufacturer; b) manufacturing date code: year/week; c) manufacturers part number; d) variant identification number The following colour scheme is preferred: BS EN 50377-15-1:2011 EN 50377-15-1:2011 – 22 – Tests 6.1 Sample size All samples shall be randomly selected For the purposes of this standard a sample is defined as a mated male and female plug and an adapter The sample size and product sourcing requirements are given in Annex A The adapter plays no role in the final alignment of this connector style The length of cable (or fibre) on each side of the connector set shall be at least m The length of the cable for the patch cords in the temperature cycle test is m 6.2 Test and measurement methods All tests and measurements have been selected from EN 61300 series Unless otherwise stated in the individual test details all measurements shall be performed at (850 ± 30) nm Attenuation change is defined as the difference between the maximum and minimum values of attenuation measured during the test No deviation from the specified test method is allowed 6.3 Test sequence All products shall be subjected to tests and following which there is no defined sequence in which tests to 13 must be run 6.4 Pass/fail criteria A product will have met the requirements of this standard provided no failures occur in the sample group for any test In the event of a failure occurring, the test shall be re-run using a sample size double that of the original Only one re-run is allowed Test report A fully documented test report and supporting data shall be prepared and must be available for inspection as evidence that the tests described in Clause have been carried out in accordance with this standard Product qualification requirements 8.1 Dimensional and marking requirements Dimensions and markings of the product shall be in accordance with the requirements of Clause and Clause End face geometry shall be measured before and after the completion of climatic testing and shall meet the requirements as stated in 5.2.3 The methods to be used are described in EN 61300-3-30 BS EN 50377-15-1:2011 – 23 – EN 50377-15-1:2011 8.2 Optical performance requirements Table – Optical performance requirements No Test Attenuation a (random mated) Return loss (random mated) Requirement b Details 100 % ≤ 0,75 dB and 95 % ≤ 0,50 dB and mean ≤ 0,35 dB over all fibre connections Method: EN 61300-3-34 Source type: LED Peak wavelength: (850 ± 30) nm 20 (10 male and 10 female plugs) randomly mated plugs for plug/adapter/plug connector sets shall be used (100 randomly mated connector sets) Source stability: < ± 0,05 dB over the measuring period or at least h Detector linearity: Within ± 0,05 dB over the dynamic range to be measured Launch fibre length: >3m Total number of measurements 100 times the number of fibres in each plug Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions ≥ 20 dB (10 male and 10 female plugs) randomly mated plugs for plug/adapter/plug connector sets shall be used (100 randomly mated connector sets) Method: EN 61300-3-6, Method Source type: LED Peak wavelength: (850 ± 30) nm Source stability: < ± 0,1 dB over the measuring period or at least h Detector linearity: Within ± 0,05 dB over the dynamic range to be measured Launch fibre length: > m Care shall be taken that cladding modes not influence the measured result Directional coupler, type: 50/50 fused Directivity: > 35 dB Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Total number of measurements 100 times the number of fibres in each plug a Attenuation measurement tests against reference connectors (EN 61300-3-4) may be performed if quality conformance is required Random mating attenuation test (EN 61300-3-34) is to be used during qualification to ensure that the requirements of the appropriate grade are met b All optical tests to be measured at launch modal condition according to Annex C BS EN 50377-15-1:2011 EN 50377-15-1:2011 – 24 – 8.3 Mechanical performance requirements Table – Mechanical performance requirements No Test Vibration (sinusoidal) Mating durability Requirement Details Method: EN 61300-2-1 Frequency range: 10 Hz − 55 Hz at octave/min Max change during test ≤ 0,20 dB Vibration amplitude: 0,75 mm Duration/axis: 30 Return loss: Before and after test > 20 dB No of axes: Specimen optically functioning: Yes (Daisy chaining of channels permitted) Measurements required: Before, during and after test Max sampling interval shall be ms by means of transient loss according to EN 61300-3-28 Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Method: EN 61300-2-2 Mechanism to be cycled: Plug-Adapter Number of cycles: 100 Specimen optically functioning: Yes Measurements required: After every mating Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions but not more than 25 times during the course of the test Attenuation: Initial and final attenuation < 0,75 dB Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB BS EN 50377-15-1:2011 – 25 – EN 50377-15-1:2011 Table – Mechanical performance requirements (continued) No Test Fibre/cable retention Requirement Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Max change before and after test: ≤ 0,20 dB Return loss: Before and after test: > 20 dB Strength of coupling mechanism Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB Details Method: EN 61300-2-4 Magnitude and rate of application of the tensile force: (50 ± 5) N at N/s for C01 and C02 variants only Point of application of the load: 0,3 m from plug The connector shall be rigidly mounted such that the load is applied to the fibre/cable retention mechanism and not to the coupling mechanism Duration of maximum load: at 50 N Specimen optically functioning: Yes Measurements required: Before, during (continuous) and after the test (5 recovery period) Sampling rate: Measurements shall be made after the load has been maintained at its maximum level for at least 30 s Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Method: EN 61300-2-6 Magnitude of load: 40 N Duration of the load: Rate of application of the load: N/s max Point of application of the load: 0,3 m from rear of plug Specimen optically functioning: Yes Measurements required: Before, during and after the test (5 recovery period) Sampling rate: Measurements shall be made after the load has been maintained at its maximum level for at least 30 s Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions BS EN 50377-15-1:2011 EN 50377-15-1:2011 – 26 – Table – Mechanical performance requirements (continued) No Test Impact Requirement Attenuation: Initial and final attenuation < 0,75 dB Return loss: Before and after test > 20 dB Static side load Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB Flexing of connector strain relief Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB Details Method: EN 61300-2-12:2009, Method A Number of drops: Drop height: 1,5 m Specimen optically functioning: No (Specimen shall be unmated during impact test with dust cover placed on plug) Measurements required: Before and after the test Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Method: EN 61300-2-42 Magnitude of the load (90° to plug axis): N for C01 and C02 variants Point of application of the load: 0,5 m from rear of plug Method of mounting: An adapter shall be mounted rigidly to the mounting fixture Duration of load: 1h Specimen optically functioning: Yes Measurements required: Before, during (continuous) and after the test Sampling rate: max interval Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Method: EN 61300-2-44 Magnitude of the load N for C01 and C02 variants only Point of application of the load: 0,5 m from rear of plug Method of mounting: An adapter shall be mounted rigidly to the mounting fixture Number of flex cycles 50 Direction of flex: Duration of load: Round cable random, ribbon cable around the minor axis Specimen optically functioning: Yes Measurements required: Before, during (continuous) and after the test Sampling rate: Maximum sampling interval shall be ms by means of transient loss according to EN 61300-3-28 Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions BS EN 50377-15-1:2011 – 27 – EN 50377-15-1:2011 8.4 Environmental performance requirements Table – Environmental performance requirements No 10 Test Cold Requirement Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB 11 Damp heat (steady state) Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB 12 Change of temperature Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB for pigtails and ≤ 0,5 dB for patch cords Return loss: Before and after test > 20 dB Details Method: EN 61300-2-17 Temperature: - 10 °C Duration of exposure: 96 h Specimen optically functioning: Yes Measurements required: Before, during (max interval h) and after the test Pre-conditioning procedure: h at normal ambient conditions Clean plugs and adapter according to manufacturer's instructions Recovery procedure: h at normal ambient conditions Method: EN 61300-2-19 Temperature: + 40 °C Relative humidity: (93 ± 2) % Duration of exposure: 96 h Specimen optically functioning: Yes Measurements required: Before, during (max interval h) and after the test Pre-conditioning procedure: h at normal ambient conditions Clean plugs and adapter according to manufacturer's instructions Recovery procedure: h at normal ambient conditions Method: EN 61300-2-22 Low temperature: - 10 °C High temperature: + 60 °C Duration at temperature extreme: 1h Rate of change of temperature: °C/min Number of cycles: Specimen optically functioning: Yes Measurements required: Before, during (max interval 10 min) and after the test h at normal ambient conditions Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Recovery procedure: h at normal ambient conditions BS EN 50377-15-1:2011 EN 50377-15-1:2011 – 28 – Table – Environmental performance requirements (continued) No 13 Test Dry heat Requirement Attenuation: Initial and final attenuation < 0,75 dB Max change during test ≤ 0,20 dB Return loss: Before and after test > 20 dB Details Method: EN 61300-2-18 Temperature: + 60 °C Duration of exposure: 96 h Specimen optically functioning: Yes Measurements required: Before, during (max interval h) and after the test h at normal ambient conditions Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions Recovery procedure: h at normal ambient conditions BS EN 50377-15-1:2011 – 29 – EN 50377-15-1:2011 Annex A (normative) Sample size and product sourcing requirements Table A.1 – Sample size and product sourcing requirements No Sample size Source Male Female Adapters Dimensional 15 15 New Attenuation (random mated) 10 10 Test Return loss (random mated) 10 10 Test Vibration (sinusoidal) 4 Test Durability 4 Test Fibre/cable retention 4 Test Strength of coupling mechanism 4 Test 13 Impact 4 Test Static side load 4 Test Flexing of strain relief of a connector 4 10 Cold a 11 Damp heat (steady state) a a 12 13 a Test Change of temperature pigtails patch cords Dry heat 2 a Test 2 a Test 2 a Test 2 a a 2 a All twelve channels of each connector monitored during the test Tests may be performed in any order providing product is sourced as shown in the table NOTE The adapter plays no role in the final alignment of this connector style Test Test BS EN 50377-15-1:2011 EN 50377-15-1:2011 – 30 – Annex B (informative) Reference connector details B.1 Reference plug ∅D ∅A 3m Pre-conditioning procedure: Clean plugs and adapter according to manufacturer's instructions BS EN 50377-15-1:2011 EN 50377-15-1:2011 – 32 – Annex C (normative) Requirements for launch condition (Encircled flux) Table C.1 – EF requirements for 50 µm core fibre at 850 nm Radial offset (µm) EF lower bound EF upper bound 10 0,269 0,381 15 0,584 0,696 20 0,895 0,923 22 0,965 0,976 Encircled flux of the launch condition is to be measured according EN 61280-1-4 BS EN 50377-15-1:2011 – 33 – EN 50377-15-1:2011 Bibliography EN 60794-2, Optical fibre cables – Part 2: Indoor cables – Sectional specification (IEC 60794-2) EN 60794-2-30, Optical fibre cables – Part 2-30: Indoor cables – Family specification for ribbon cables (IEC 60794-2-30) EN 61300-3-4, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-4: Examinations and measurements – Attenuation (IEC 61300-3-4) EN 61300-3-27, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-27: Examinations and measurements – Measurement method for the hole location of a multiway connector plug (IEC 61300-3-27) IEC/PAS 61755-3-31, Fibre optic connector optical interfaces – Part 3-31: degrees angled PC end-face PPS rectangular ferrule, single mode fibre ISO/IEC 11801, Information technology – Generic cabling for customer premises This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products 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