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1、BRITISH STANDARD BS EN 186290:1998 Harmonized system of quality assessment for electronic components Connector sets for optical fibres and cables Type MPO The European Standard EN 186290:1997 has the status of a British Standard ICS 33.180.20 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10
2、:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 186290:1998 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 February 1998 BSI 05-1999 ISBN 0 580 28467 0
3、National foreword This British Standard is the English language version of EN 186290:1997 published by the European Electronic Components Committee (CECC) of the European Committee for Electrotechnical Standardization (CENELEC). The UK participation in its preparation was entrusted by Technical Comm
4、ittee EPL/86, Fibre optics, to Subcommittee EPL/86/2, Interconnecting devices and passive components, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and k
5、eep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC standards n
6、ormally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “Internati
7、onal Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a Brit
8、ish Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 16 and a back cover. This standard has been updated (see copyright date) and may have had amendments in
9、corporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 186290:1998 BSI 05-1999i Contents Page Nation
10、al forewordInside front cover Foreword 2 Text of EN 1862903 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD
11、 NORME EUROPENNE EUROPISCHE NORM EN 186290 November 1997 ICS 33.180.20 Descriptors: Connector, optical fibres and cables, type MPO English version Sectional Specification: Connector sets for optical fibres and cables Type MPO Spcification particulire: Jeux de connecteurs pour fibres et cbles optique
12、s Type MPO Bauartspezifikation: Steckverbinderstze fr Lichtwellenleiter und Lichtwellenleiterkabel Typ MPO This European Standard was approved by CENELEC on 1997-07-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe
13、an 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 (Engli
14、sh, 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, B
15、elgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europi
16、sches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 186290:1997 E Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 G
17、MT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 BSI 05-1999 2 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 86BXA (former WG 26 of CLC/TC CECC), Fibre optic connectors. The text of the draft was submitted to the Unique Acceptance Procedure and was approv
18、ed by CENELEC as EN 186290 on 1997-07-01. The following dates were fixed: Contents Page Foreword2 CECC specification system3 Section 1. General 1General4 1.1Scope4 1.2Related documents4 1.3Definitions4 1.4Safety4 1.5Marking4 Section 2. Requirements 2Requirements4 2.1Classification5 2.2Reference comp
19、onents15 2.3Gauges15 Section 3. Quality assessment procedures 3Quality assessment procedures15 3.1Qualification approval15 3.1.1Qualification by fixed sample procedure15 3.1.2Sample size15 3.1.3Preparation of specimens16 3.1.4Testing16 3.1.5Qualification by lot-by-lot and periodic procedure16 3.2Qua
20、lity conformance inspection16 3.2.1Lot-by-lot inspection16 3.2.2Periodic inspection16 3.2.3Sample size16 3.2.4Preparation of specimens16 3.2.5Testing16 3.3Delayed deliveries16 Figure 1 MPO Connector Configuration5 Figure 2 Fibre Location on Plug Endface6 Figure 3 Female plug mating face limit dimens
21、ions7 Figure 4 Male plug mating face limit dimensions9 Figure 5 Pin Mating Face Limit Dimensions11 Figure 6 Gauge pin dimensions12 Figure 7 Two hole gauge pin13 Figure 8 Adaptor mating face limit dimensions14 latest date by which the EN has to be implemented at national level by publication of an id
22、entical national standard or by endorsement(dop) 1998-06-01 latest date by which the national standardsa conflicting with the EN have to be withdrawn(dow) 1998-06-01 a national standard (excluding national implementation of IECQ Specifications) Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29
23、10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 BSI 05-19993 Document numbering for fibre optic connector specifications follows 2.2 (1) of CECC 00 700, Sect. IV, in order to permit the issue of more than nine sectional specifications. The approved numbering system applicable to f
24、ibre optic connector specifications is illustrated in the following diagram: Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 4 BSI 05-1999 Section 1. General 1 General 1.1 Scope This specification covers Type MPO fibre optic c
25、onnector sets. Type MPO defines a multiway connector characterised by a rectangular ferrule nominally 6,4 mm 2,5 mm which utilises two pins of 0,7 mm diameter as its alignment technology. It is applicable to a joint of multiple fibres by arranging them between two pin-positioning holes in the plug.
26、The connector includes a push-pull coupling mechanism and a ferrule spring loaded in the direction of the optical axis. The connector has a single male key which may be used to orientate and limit the relative position between the connector and the component to which it is mated. The specification c
27、ontains the requirements for Type MPO connector sets. Detail specifications shall be prepared using the following proforma general blank detail specifications associated with the generic specification. For example:- Environmental Category II EN 186 002 When completed, the detail specifications (DSs)
28、 applicable to this sectional specification (SS) shall be re-numbered in accordance with CECC 00 700 (Section IV) Issue 1, clause 4.2, as follows:- CECC 86 292-XXX Type MPO Environmental Category II 1.2 Related documents The following standards contain provisions which, through reference in this tex
29、t, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed
30、 below. References made to a specific clause or sub-clause of a standard include all sub-clauses to the reference unless otherwise specified. EN 186 000-1, Generic Specification for Connector Sets for Optical Fibres and Cables. IEC 825, Radiation safety of laser products, equipment. 1.3 Definitions
31、All necessary definitions are given in EN 186 000-1. 1.4 Safety 1.4.1 Optical fibre connectors, when used as part of an optical fibre system, may emit/produce potentially hazardous radiation. The manufacturers of connectors are not obliged to mark them as such; but sufficient information should be m
32、ade available in the manufacturers literature to enable the system designer to assess the degree of hazard. This information shall be given prominence in the detail specification (DS). 1.4.2 The assembly instructions, included in the connector package, shall give a prominent warning to the assembler
33、, of the necessary safe work practices. 1.4.3 The responsibility for the safe application of the connector lies with the system design engineer, who should refer to IEC 825. As there is no safety guide for light emitting diodes (LEDs), IEC 825 shall apply to systems using these also. 1.4.4 DSs shoul
34、d give the following information in a prominent position:- WARNING “Care should be taken when handling small diameter optical fibre, to prevent it puncturing the skin especially in the eye area. Direct viewing of the end of an optical fibre or a terminated optical fibre, while it is propagating ener
35、gy is not recommended unless prior assurance has been obtained as to the safe energy of the output level.” 1.5 Marking See 2.6 of EN 186 000-1. Section 2. Requirements 2 Requirements The requirements specified in Section 2 and Section 3 of EN 186 000-1 apply. The requirements for connector set compo
36、nents covered by this specification are as specified herein and in the relevant DS. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 BSI 05-19995 2.1 Classification The connector sets covered by this specification are classifie
37、d as:- Type Arrangements Kit Pigtail Patch cord Environmental categories The DS written shall select the appropriate BDS for the chosen environmental category. Assessment levels Level A Level B Level C The mating face limit dimensions for each connector set configuration are given in Figure 1, Figur
38、e 2, Figure 3 and Figure 4. The applicable configuration, arrangement, style, variants, climatic category, environmental category, and assessment level shall be specified in the DS. Type MPO Alignment mechanism:pin Coupling mechanism:push-pull Configurations:plug- adaptor-plug Figure 1 MPO Connector
39、 Configuration Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 6 BSI 05-1999 NOTE 1Datum X is the centre line that runs through the true position centres of the guide pin holes. NOTE 2Datum Y is the centre line between the gui
40、de pin holes. Figure 2 Fibre Location on Plug Endface Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 BSI 05-19997 Figure 3 Female plug mating face limit dimensions Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:
41、36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 8 BSI 05-1999 ReferenceDimensions mmNotes MinimumMaximum A0,6990,7011 B7,98,1 C4,5974,6032 D6,36,5 E8,348,54 F9,499,59 G10,8511,05 H12,1912,59 I8,89,24 J7,98,1 K1,4 L0,20,85,6 M2,42,6 N2,83,0 O4,894,99 P5,595,69 Q5,7 R7,7 S2,93,1 T0,8 U2,4
42、2,5 AA4245degree AB45degree AC45degree AD7,58,5degree 3 NOTE 1Each pin hole shall accept a gauge pin as shown in Figure 6 to a depth of 5.5 mm with a maximum force of 1.7N. In addition, two pin holes of a plug shall accept a gauge as shown in Figure 7 to a depth of 5.5 mm with a maximum force of 3.4
43、N. NOTE 2Dimension C is defined as the distance between two pin hole centres. NOTE 3End face shown is for angled variant for flat end face AD = 0. Figure 3 Female plug mating face limit dimensions (continued) Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolle
44、d Copy, (c) BSI EN 186290:1997 BSI 05-19999 Figure 4 Male plug mating face limit dimensions Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 10 BSI 05-1999 ReferenceDimensions mmNotes MinimumMaximum A0,6990,7011 B7,98,1 C4,5974
45、,6032 D6,36,5 E8,348,54 F9,499,59 G10,8511,05 H12,1912,59 I8,89,24 J7,98,1 K1,4 L0,20,85,6 M2,42,6 N2,83,0 O4,894,99 P5,595,69 Q5,7 R7,7 S2,93,1 T0,8 U2,42,5 AA4245degree AB45degree AC45degree AD7,58,5degree 3 CA1,63,3 1 Dimension A is the inner diameter of each pin hole before two guide pins are fi
46、xed in the plug. Each pin hole shall accept a gauge pin as shown in Figure 6 to a depth of 5.5 mm with a maximum force of 1.7N. In addition, two pin holes of a plug shall accept a gauge as shown in Figure 7 to a depth of 5.5 mm with a maximum force of 3.4N. After the guide pins are fixed in the plug
47、, each guide pin shall be retained with a minimum force of 3.4N. 2 Dimension C is defined as the distance between two pin hole centres before two guide pins are fixed in the plug. 3 End face shown is for angled variant for flat end face AD = 0. Figure 4 Male plug mating face limit dimensions (contin
48、ued) Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 BSI 05-199911 REF.MMNOTES MIN.MAX. A0,6970,699 B0,20,4 C0,20,5 D10,811,2 Figure 5 Pin Mating Face Limit Dimensions Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:
49、47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 12 BSI 05-1999 ReferenceDimensions mmNotes MinimumMaximum A0,69850,69901 B10,811,22 BA0,20,4 BB0,20,5 BC6,0 Notes 1Surface roughness Rz=0,1 4m for the length of Dimension BC. 2Typical dimensions . Figure 6 Gauge pin dimensions Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:47:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 186290:1997 BSI 05-199913 ReferenceDimensions mmNotes MinimumMaximum A0