BRITISH STANDARD Aerospace series — Connectors, optical, rectangular, rack and panel, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder Part 001: Technical specification ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 4640-001:2009 BS EN 4640-001:2009 National foreword This British Standard is the UK implementation of EN 4640-001:2009 The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology 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 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 May 2009 © BSI 2009 ISBN 978 580 62416 Amendments/corrigenda issued since publication Date Comments BS EN 4640-001:2009 EUROPEAN STANDARD EN 4640-001 NORME EUROPÉENNE EUROPÄISCHE NORM February 2009 ICS 49.060 English Version Aerospace series - Connectors, optical, rectangular, rack and panel, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder - Part 001: Technical specification Série aérospatiale - Connecteurs, optiques, rectangulaires, contacts multiples, rackables, férule diamètre 1,25, équipés d'un porte sleeve démontable - Partie 001: Spécification technique Luft- und Raumfahrt - Optischer Rechtecksteckverbinder, Gehäuse, Einschub, Steckverbinder, Multipin, Ferrulendurchmesser 1,25 mm, demontierbarer Zentrierhülsenhalter - Teil 001: Technische Lieferbedingungen This European Standard was approved by CEN on 11 July 2008 CEN 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 Management Centre or to any CEN 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 member into its own language and notified to the CEN Management Centre has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 4640-001:2009: E BS EN 4640-001:2009 EN 4640-001:2009 (E) Contents Page Foreword 3 Introduction 4 1 Scope 4 2 Normative references 4 3 Terms and definitions 5 4 Description .5 5 Design .6 6 Definition drawings 6 7 Tests 16 8 Quality assurance 19 9 Designation and marking 23 BS EN 4640-001:2009 EN 4640-001:2009 (E) Foreword This document (EN 4640-001:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN) After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2009, and conflicting national standards shall be withdrawn at the latest by August 2009 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ BS EN 4640-001:2009 EN 4640-001:2009 (E) Introduction This family of fibre optic connectors is derived from ARINC Specification 600 connectors It is suitable for use on aerospace onboard applications It provides easy access for optical contact end face cleaning The optical contacts are capable of accepting single cable sizes up to a maximum of mm outside diameter Scope This standard specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programs and groups for rectangular multipin fibre optic connectors 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 2591-100*, Aerospace series — Elements of electrical and optical connection — Test methods — Part 100: General EN 3197, Aerospace series — Installation of aircraft electrical and optical interconnection systems EN 3909, Aerospace series — Test fluids and test methods for electric components and sub-assemblies ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ EN 4639-101, Aerospace series — Connectors, optical, rectangular, modular, multicontact, 1,25 mm diameter ferrule, with removable alignment sleeve holder — Part 101: Optical contact for cable EN 4641-100 — Operating temperatures between – 65 °C and 125 °C — Product standard EN 4640-002, Aerospace series — Connectors, optical, rectangular, rack and panel, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder — Part 002: Specification of performance and contact arrangements EN 4640-003, Aerospace series — Connectors, optical, rectangular, rack and panel, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder — Part 003: Plug optical connector — Product standard EN 4640-004, Aerospace series — Connectors, optical, rectangular, rack and panel, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder — Part 004: Receptacle optical connector — Product standard EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts ARINC Specification 600, Air Transport Avionics Equipment Interfaces MIL-I-81969/14, Installing and removal tools, connector electrical contact, type III, class 2, composition B * And all parts quoted in this standard Published as ASD Prestandard at the date of publication of this standard Published by: AERONAUTICAL RADIO, INC 2551 Riva road, Annapolis, Maryland 21401-7435 USA Published by: Department of Defence (DOD), the Pentagon, Washington, D.C 20301 USA BS EN 4640-001:2009 EN 4640-001:2009 (E) Terms and definitions For the purposes of this document, the terms and definitions given in EN 2591-100 apply Description 4.1 General This document describes an optical connector insert to be installed in plug and receptacle housings Plug and receptacle housings conform to ARINC Specification 600 The precise alignment of the optical contacts is accomplished by alignment sleeves held in a removable sleeve holder The plug connector contain male insert as specified in EN 4640-003 The receptacles connector contain female insert as specified in EN 4640-004 The female insert is composed of an insert and a removable sleeve holder as specified in EN 4640-004 The sleeve holder is delivered with the female insert It is considered as a part of the female insert (specific design per manufacturer) The sleeve holder can be supplied separately only for repair purpose ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ The optical contact is in accordance with EN 4639-101 The connectors are keyed as specified in ARINC Specification 600 Connector type designation as specified in ARINC Specification 600 4.2 Receptacle Receptacle description as specified in ARINC Specification 600 4.3 Plug Plug description as specified in ARINC Specification 600 4.4 4.4.1 Materials and surface treatment General When dissimilar metals are in close contact, adequate protection against corrosion shall be used for the electromotive force of the cell not to exceed 0,25 V (see EN 3197) 4.4.2 Housings The connector housing description as specified in ARINC Specification 600 BS EN 4640-001:2009 EN 4640-001:2009 (E) 4.4.3 Optical contacts and alignment sleeves The contacts shall be of suitable materials as specified in EN 4639-101 The optical alignment sleeves shall be of suitable materials as specified in EN 4640-002 The optical contacts are sprung-loaded The spring force is defined in the product standard (EN 4639-101) 4.4.4 Metallic or non-metallic materials The materials used for inserts, seals and grommets shall have a hardness and mechanical characteristics consistent with the required use 5.1 Design Housing The connector housing design as specified in ARINC Specification 600 5.2 Connector inserts The connector insert carrying the optical contacts shall be in hard material and have a cross section and radii such that no cracks, flaking or breaks can occur in normal operation The mechanical contacts retention system shall be integrated in the connector insert ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Sealing of the rear face of the connector insert can be provided by a grommet adapted to the external diameter of the cable The design shall permit individual installation of the contacts without removal of the connector insert Fitting and removal of the contacts shall be from the rear For ease of operation, tools as per MIL-I-81969/14-03 (P/N for size 16) may be used Contact position identification shall be permanent and contrasted on the rear face of the insert or grommet 6.1 Definition drawings General The general dimensions and the masses of receptacles, plugs and protective covers are given in the product standards 6.2 Receptacle All housing dimensions are defined in ARINC Specification 600 6.3 Plug All housing dimensions are defined in ARINC Specification 600 BS EN 4640-001:2009 EN 4640-001:2009 (E) 6.4 Connector inserts 6.4.1 Connector interface insert See Figure ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Key Receptacle connector Mechanical bottom of plug Mechanical bottom of receptacle Plug connector Front face of the insert ∅ Pin cavity position A Sleeve holder Figure 6.5 Mating dimensions The mating dimensions receptacle (free position) are shown in Figure BS EN 4640-001:2009 EN 4640-001:2009 (E) Sleeve-holder screw cavity (Sleeve-holder not show) ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Optical contact position Key Limit stop of the alignment sleeve holder screw (unmated position) Mechanical bottom of the receptacle NOTE Other dimensions in accordance with ARINC Specification 600 Figure BS EN 4640-001:2009 EN 4640-001:2009 (E) 6.5.2 Receptacle connector 1 9 4 8 Contact entering mating sleeve holder Contact optically mated Key # 22 Electrical contact Sleeve holder Bloc side Rack side # 12 Electrical contact # 16 Electrical contact Plug Optical contact Receptacle « X1 » contact entering mating sleeve holder Optical contact a « X2 » contact optically mated 18,68 mm [.735] 16,53 mm [.650] # 22 # 22 20,32 mm [.800] a 18,99 mm [.748] Optical contact # 20 20,54 mm [.809] a 18,82 mm [.741] # 20 16,48 mm [.649] b 14,04 mm [.553] # 16 25,70 mm [1.012] a 24,10 mm [.949] # 16 18,42 mm [.725] b 20,77 mm [.818] # 12 25,60 mm [1.008] a 24,20 mm [.953] # 12 19,60 mm [.772] b 17,57 mm [.692] Values for # 22, # 20, # 16, # 12 electrical contacts are for « contact entering mating insulator » extracted from ARINC Specification 600 These values are given for information only Refer to ARINC Specification 600 for more information b Figure 10 16,30 mm [.642] b 13,89 mm [.547] 16,25 mm [.634] 13,28 mm [.523] Values for # 22, # 20, # 16, # 12 electrical contacts are for « contact electrically engaged » extracted from ARINC Specification 600 These values are given for information only Refer to ARINC Specification 600 for more information BS EN 4640-001:2009 EN 4640-001:2009 (E) 6.5.3 Coupling contact condition Key ∅ D2 - Sleeve cavity inner diameter Sleeve to sleeve-holder cavity stop Optical contact to sleeve-holder stop Condition: in every case, J > The different shapes and dimensions of the sleeve cavity must be defined to warranty this condition Figure 6.5.4 Contact arrangements Identification of the contact position shall be permanently marked in contrasting colour on the rear face of the module Contact arrangements 20F12Q8 for shell size or 3: see Figure 11 BS EN 4640-001:2009 EN 4640-001:2009 (E) Receptacle front face (without sleeve holder) Receptacle rear face Plug rear face Plug front face Key Ref on ribs Sleeve-holder screw hole (on receptacle side) 12 optical cavities End of the optical contacts Keyway NOTE cavities for # quadrax contacts Contact body is grounded to the connector shell Angular position of the optical contact polarization key Step Number of contacts Contact size Insert cavity location 12 Optical contact RR/RR thru 12 8 (Quadrax) FR/FR (Receptacle side) RR/RR (Plug side) AA thru HH RR/RR = Contacts are REAR RELEASE / REAR REMOVABLE FR/FR = Contacts are FRONT RELEASE / FRONT REMOVABLE Figure 12 BS EN 4640-001:2009 EN 4640-001:2009 (E) Contact arrangements 36F36 for shell size or 3: see Figure Receptacle front face (without sleeve holder) Receptacle rear face Plug rear face Plug front face Key Ref on ribs cavities for sleeve-holder screw (on receptacle side) Keyway NOTE 36 optical cavities End of the optical contacts Angular position of the optical contact polarization key Number of contacts Contact size Insert cavity location 36 Optical contact RR/RR thru 36 RR/RR = Contacts are REAR RELEASE / REAR REMOVABLE FR/FR = Contacts are FRONT RELEASE / FRONT REMOVABLE Figure 13 BS EN 4640-001:2009 EN 4640-001:2009 (E) Contact arrangements 17F12Q2 for shell size or 3: see Figure Receptacle front face (without sleeve holder) Receptacle rear face Plug rear face Plug front face Key Ref on ribs Sleeve-holder screw hole (on receptacle side) 12 optical cavities End of the optical contacts Keyway NOTE cavities for # 16 electrical contacts cavities for # quadrax contacts Contact body is grounded to the connector shell Angular position of the optical contact polarization key Number of contacts Contact size Insert cavity location 12 Optical contact RR/RR thru 12 16 (Electrical) FR/FR (Receptacle side) RR/RR (Plug side) 13 thru 15 (Quadrax) FR/FR (Receptacle side) 16 thru 17 RR/RR = Contacts are REAR RELEASE / REAR REMOVABLE FR/FR = Contacts are FRONT RELEASE / FRONT REMOVABLE Figure 14 BS EN 4640-001:2009 EN 4640-001:2009 (E) Contact arrangements 12F12 for shell size 1: see Figure 10 Receptacle front face (without sleeve holder) Receptacle rear face Plug rear face Plug front face Key Ref on ribs Keyway End of the optical contacts Cavity for sleeve-holder screw (on receptacle side) 12 optical cavities Angular position of the optical contact polarization key NOTE Number of contacts Contact size Insert cavity location 12 Optical contact RR/RR thru 12 RR/RR = Contacts are REAR RELEASE / REAR REMOVABLE FR/FR = Contacts are FRONT RELEASE / FRONT REMOVABLE Figure 10 15 BS EN 4640-001:2009 EN 4640-001:2009 (E) Tests 7.1 Tests according to EN 2591-100 series The tests of EN 2591-100, applicable in the context of this standard as well as the details necessary for implementing them and for inspecting connector characteristics, are given in Table Table EN 2591- Test Details 6101 Optical elements - Visual examination No loosening of parts, cracks, excessive wear, or detached parts Optical face undamaged and free from contamination when examined at 100 × magnification minimum 101 Visual examination Not applicable According optical contact Product Standard 102 Examination of dimensions and mass NOTE In the case of a Qualified Inspection System, the parts unrelated to a Production Batch, may be used 6301 Optical elements - Endurance at temperature For performance and test method requirements refer to the applicable Product Standard for the component and cable under test 302 Climatic sequence For performance and test method requirements refer to the applicable Product Standard for the component and cable under test 6303 Optical elements - Cold/low pressure and Not applicable damp heat 304 Damp heat steady state Not applicable 6305 Optical elements - Rapid change of temperature For performance and test method requirements refer to the applicable Product Standard for the component and cable under test 6306 Optical elements - Mould growth Not applicable 6307 Optical elements - Salt mist 48 h 308 Sand and dust Not applicable 309 Dry heat Not applicable 310 Cold Not applicable 311 Low air pressure Not applicable 312 Air leakage Not applicable 313 Driving rain (artificial) Not applicable 6314 Optical elements - Immersion at low air pressure Not applicable 6315 Optical elements - Fluid resistance See Table for fluids, number of cycles, temperature and time of immersion, and temperature of third phase 6316 Optical elements - Ozone resistance Not applicable 6317 Optical elements - Flammability Not applicable 6318 Optical elements - Fire resistance Not applicable continued 16 BS EN 4640-001:2009 EN 4640-001:2009 (E) Table (continued) EN 2591- Test Details 319 Gastightness of solderless wrapped connections Not applicable 320 Simulated solar radiation at ground level Not applicable 6321 Optical elements - Damp heat, cyclic test Connector mated, cycles Method A 6323 Optical elements - Thermal shock (Hermetically sealed devices) Not applicable 6324 Optical elements - Interfacial sealing Not applicable 6325 Optical elements - Ice resistance Not applicable 6401 Optical elements - Acceleration steady state Not applicable 6402 Optical elements - Shock Method A, severity 50 G, 11 ms 6403 Optical elements - Vibrations Method B, Figure 2, Table 1, Level E axes (X, Y and Z), hours / axe 6404 Optical elements - Transverse load Not applicable 6405 Optical elements - Axial load Not applicable 6406 Optical elements - Mechanical endurance For performance and test method requirements refer to the applicable Product Standard for the component and cable under test 407 For performance and test method requirements refer Durability of contact retention system and to the applicable Product Standard for the component seals and cable under test 408 Mating and unmating forces Method A Arrangement size Coupling force N max Uncoupling force N F12 (12F12) F17 (17F12Q2) F20 (20F12Q8) F36 (36F36) 105 140 225 300 12 23,3 29,6 36 These values are increased by 50 % at – 25 °C and by 25 % after test EN 2591-308 Inserts fully populated 409 Contact retention in insert Not applicable 410 Insert retention in housing (axial) Not applicable 411 Insert retention in housing (torsional) Not applicable 412 Contact insertion and extraction forces Contact size # 22 # 20 # 16 # 12 #8 Coaxial Fiber optical Axial load (N) Insertion Extraction 46 67 89 111 134 134 67 37 45 67 89 111 111 45 continued 17 BS EN 4640-001:2009 EN 4640-001:2009 (E) Table (concluded) EN 2591- Test 6414 Optical elements - Unmating of lanyard release optical connection elements Not applicable 6415 Optical elements - Test probe damage Not applicable 601 Optical elements - Insertion loss For performance and test method requirements refer to the applicable product standard for the component and cable under test 602 Optical elements - Variation of attenuation and optical discontinuity For performance and test method requirements refer to the applicable product standard for the component and cable under test 603 Optical elements - Change of power distribution Not applicable 604 Optical elements - Cleaning capability of optical face For performance and test method requirements refer to the applicable product standard for the component and cable under test 605 Optical elements - Return loss For performance and test method requirements refer to the applicable product standard for the component and cable under test 607 Optical elements - Immunity to ambient light coupling Not applicable 608 Nuclear radiation Not applicable 609 Optical elements - Effectiveness of cable attachment - Cable cyclic flexing For performance and test method requirements refer to the applicable product standard for the component and cable under test 610 Optical elements - Effectiveness of cable attachment - Cable pulling For performance and test method requirements refer to the applicable product standard for the component and cable under test 611 Optical elements - Effectiveness of cable attachment - Cable torsion For performance and test method requirements refer to the applicable product standard for the component and cable under test 612 Optical elements - Effectiveness of cable attachment - Cable axial compression For performance and test method requirements refer to the applicable product standard for the component and cable under test 613 Optical elements - Impact test Not applicable 614 Optical elements - Connector radial compression Not applicable 615 Optical elements - Connection integrity at temperature Not applicable 617 Optical elements - Temperature cycling Not applicable 7.2 Special tests See Table 18 Details BS EN 4640-001:2009 EN 4640-001:2009 (E) Table — Resistance to fluids Fluid Category Immersion References, see EN 3909 Drying Duration Temp Temp °C °C Number of cycles Mineral hydraulic Fluid NATO: H-515 15 85 100 Synthetic lubricant NATO: O-156 15 150 125 Cleaning products 25 % Propanol + 75 % White spirit 25 25 Quality assurance 8.1 General Quality assurance shall conform to EN 9133 8.2 Qualification 8.2.1 General Qualification of a model (see ARINC Specification 600) is obtained: either when the specimens of this model as defined in 8.2.2 have satisfied the applicable tests in groups to 6, by extension of qualification: qualification of a model very similar to a model already qualified, may be obtained by performing a small number of additional tests or by analogy by structural similarity 8.2.2 Sampling and definition of specimens If more than one fibre/cable arrangement is being tested, there shall equal quantities for each group Table Test group N° 8.2.3 Number of complete specimens (receptacle, plug and pro-caps) as applicable All specimens pairs complete specimens 2 complete specimens complete specimens complete specimen for each test fluid complete specimens complete specimens Preparation of specimens All specimens shall be terminated, using typically m length of cable, i.e each half of a connector shall have a m minimum length of cable attached 19 BS EN 4640-001:2009 EN 4640-001:2009 (E) 8.2.4 Programme of qualification tests The qualification approval tests are defined in Table and shall be carried out in the sequence specified in Table Table Tests EN 2591- Remarks Group Examination of dimensions and mass 102 Conformance to Clause and product standard Insertion loss 601 After termination Return loss 605 > 21 dB (Reflectometer method) Visual examination 6101 Mating and unmating forces 408 Method A Overtightening not required Insertion loss 601 After termination Visual examination 6101 – Contact insertion and extraction forces 412 – Insertion loss 601 After termination Mechanical endurance 6406 Variation of insertion loss as EN 2591-601 Coupling and uncoupling force as EN 2591-408, Method A Visual examination as EN 2591-6101 Durability of contact retention system and seals 407 Rapid change of temperature 6305 Visual examination 6101 – Contact insertion and extraction forces 412 – Insertion loss 601 Durability of contact retention system and seal 407 Insertion loss 601 After termination Vibration – Random 6403 Optical discontinuity as EN 2591-602 Insertion loss as EN 2591-601 Visual examination as EN 2591-6101 Shock 6402 Optical discontinuity as EN 2591-602 Insertion loss as EN 2591-601 Visual examination as EN 2591-6101 Damp heat, cyclic test 6321 Variation of insertion loss as EN 2591-601 Coupling and uncoupling force as EN 2591-408, Method A – Group – Insertion loss as EN 2591-601 Visual examination as EN 2591-6101 Group After termination – continued 20 BS EN 4640-001:2009 EN 4640-001:2009 (E) Table (continued) Tests EN 2591- Remarks Group (continued) Salt mist 307 Variation of insertion loss as EN 2591-601 Insertion loss 601 After termination Visual examination 6101 – Group Rapid temperature change 6305 Insertion loss as EN 2591-601 Visual examination as EN 2591-6101 Endurance at temperature 6301 Insertion loss as EN 2591-601 Visual examination 6101 – Group Fluid resistance 6315 Visual examination 6101 Coupling and uncoupling force as EN 2591-408, Method A – Group Cleaning capability of optical face 604 Visual examination 6101 Insertion loss as EN 2591-601 – Group Effectiveness of cable attachment Cable cyclic flexing 609 Effectiveness of cable attachment Cable torsion 611 – Effectiveness of cable attachment Cable pulling 610 – Visual examination 6101 – 8.2.5 Method A Number of active channels The number of active channels for measurement purposes is given in Table Table Shell size Number of active channels for measurement minimum Remaining cavities to be populated with dummy contacts or filler plugs 12 minimum Remaining cavities to be populated with dummy contacts or filler plugs 12 minimum Remaining cavities to be populated with dummy contacts or filler plugs Remarks 21 BS EN 4640-001:2009 EN 4640-001:2009 (E) 8.3 8.3.1 Maintenance of qualification Tests The following tests shall be carried out every 36 months (or manufacturing interval, if longer) on specimens taken at random The manufacturer shall submit, to the mandated body, a table of tests that shall be carried out in accordance with Table 8.3.2 Sampling distribution All models shall be divided between the two groups of Table Table Tests EN 2591- Group Visual examination 6101 Examination of dimensions and mass 102 Insertion loss 601 Mating and unmating forces 408 Mechanical endurance 6406 Damp heat, cyclic test 321 Group 8.3.3 Visual examination 6101 Examination of dimensions and mass 102 Endurance at temperature 6301 Mating and unmating forces 408 Visual examination 6101 Acceptance This inspection shall be done systematically on all production prior to delivery: Test EN 2591-6101 - Visual examination 8.3.4 Quality control Inspections that are intended to maintain the required quality level are in their entirety the responsibility of the manufacturer, ranging from materials through delivery of the product The quality department of the manufacturer shall be able to demonstrate, at any given time, that the product complies with the manufacturing documentation and with the product standard concerned There shall be a monitoring system in place for the various inspection phases This shall be evidenced by documents being kept available by the manufacturer for a period of five years and, if required, submitted to the national supervising inspectorate on request 22 BS EN 4640-001:2009 EN 4640-001:2009 (E) 9.1 Designation and marking Fibre optic arrangement EXAMPLE Description block CONNECTOR, OPTICAL Identity block EN4640-003F36 Number of the basic standard Plug Arrangement code (see EN 4640-002) 9.2 Fibre optic contact EXAMPLE Description block FIBRE OPTIC CONTACT Identity block EN4639-101B Number of the basic standard Contact type (see EN 4640-002) Cable designation (see EN 4640-002) 23 BS EN 4640-001:2009 BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400 BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest 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