1、STDOBSI BS EN b087q-19-ENGL 1997 1bZ4bb7 Ob32877 TZT BS EN 60874-19 : 1997 IEC 60874-19 : BRITISH STANDARD fibres and cables Part 19. Sectional specification for fibre optic connector - me SC-D (Duplex) The European Stanar EN 6087419 : 1997 has the status of a British Standard ICs 33.180.20 1995 QC
2、91210 : 1996 Connectors for optical NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGEPT LAW STD=BSI BS EN b0874-19-ENGL 1997 m lb211bb9 Ob32878 9bb BS EN 60874-19 : 1997 AmdNo. National foreword Date Textaffected This British Standard is the English language veision of EN 6087419 : 1
3、997. It is identicai with IEC 6087419 : 1995. This standard is a harmonized specificaton within the IEC quality assessment system for electronic components (IECQ). In the IECQ system, this specification is numbered QC 912100. The UK participation in its preparation was entrusted by Technical Codthe
4、EPLM, Fibre optics, to Subcommittee EPY86/2, Interconnecting devices and passive components, which has the responsibility to: This Brish Standard, hawig been prepared under the direction of the Eledrotechnicai Sector Board, was published under the authority of the Standards Board and comes into effe
5、ct on 16 August lS7 Q BS11997 aid enquirers to understand the tee present to the responsible internatio monitor related international and European developments and promulgate them in the UK. e A list of organizations rzpresented on this subcommittee can be obtained on request to its secretary. From
6、1 January 1997, ail IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain idenam hm both systems. Cross-references Attenti
7、on is drawn to the fact that annex ZA lists nonnative references to internationai publications with their corresponding European publications. “he British Standards which implement these internalionai or European publications may be found in the BSI Standards Catalogue under the section entitled Int
8、eniatond Standards Correspondence Index, or using the Find facility of the BSI Standards Electmnic Catalogue. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an Wide front cover, the EN title page,
9、pages 2 to 13, a blank page, an inside back cover and a back cover. IBN O 580 27786 2 STD-BSI BS EN b0874-19-ENGL 1997 H Lb2LibbS b32877 8T2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60874-19 May 1997 ICC 33.180.20 Descriptors: Sectional specification for fibre optic connector, type SC-D(
10、uplex) English version Connectors for optical fibres and cables Part 19: Sectional specification for fibre optic connector - Type SC-D(uplex) (IEC 874-1 9: 1995 + corrigendum 1996) Connecteurs pour fibres et cbles optiques LWL-Kabel Partie 1 9: Spcification intermdiaire pour connecteur pour fibres o
11、ptiques (CE1 874-1 9:1995 + corrigendum 1996) Steckverbinder fr Lichtwellenleiter und Teil 19: Rahmensperifikation fr LWL-Steckverbinder - Typ SC-D(uplex) Corrigendum 1996) Type SC-D(uplex1 (IEC 874-1 9:1995 + This European Standard was approved by CENELEC on 1997-03-1 1, CENELEC members are bound t
12、o comply with the CENKENELEC 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 Centra
13、l 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 stat
14、us as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for
15、Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Centrai Secretariat: nie de Stassart 35, B - 1050 Brussels o 1997 CENELEC - All rights of exploitation in any form snd by any means reserved worldwide for CENELEC members
16、. Ref. No. EN 60874-1 9:1997 E STD-BSI BS EN b0879-17-ENGL 1797 m Lb2Libb9 b32880 519 = Page 2 EN 60874-19 : 1997 Foreword The text of the International Standard IEC 874-19:1995 and its corrigendum May 1996, prepared by SC 86B, Fibre optic interconnecting devices and passive components, of IEC TC 86
17、, Fibre optics, was submitted to the formal vote and was approved by CENELEC as EN 60874-1 9 on 1997-03-1 1 without any modification. 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 endorseme
18、nt (dop) 1997-1 2-01 - latest date by which the national standards conflicting with the EN have to be withdrawn (daw) 1997-1 2-01 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The t
19、ext of the International Standard IEC 874-1 9: 1995 and its corrigendum May 1996 was approved by CENELEC as a European Standard without any modification. STD-BSI BS EN bCl874-17-ENGL 1777 m Lb24bbS Ob32881 450 Page 3 EN 60874-19 : 1997 CONTENTS Clause Page 1 General 4 1.2 Normative references . 4 1.
20、3 Definitions . 4 1.1scope . 4 2 Requirements . 4 2.1 Classification 4 2.2 Reference components 5 2.3 Gauges . 5 2.4 Non-flammable materials . 5 3 Quaity assessment procedures 1 O 3.1 Qualification approval . 10 11 3.2 Quality conformance inspection . Annex ZA (normative) Normative references to int
21、ernational publications with their corresponding European publications 13 STD-BSI BS EN b0874-17-ENGL 2777 1b2Libb7 Ob32882 397 m Page 4 EN 60874-19 : 1997 CONNECTORS FOR OPTICAL FIBRES AND CABLES - Part 19: Sectional specification for Fibre optic connector - Type SC-D(uplex) 1 General 1.1 Scope Thi
22、s sectional specification is part of the relevant specification for Type SC-D(up1ex) connectors. The specification, along with the appropriate blank detail specification, defines the requirements and the quality assessment procedures for the subfamily. Type SC-D(up1ex) is a subfamily of two-way opti
23、cal fibre connectors utilizing a push-pull coupling mechanism and cylindrical ferrules of 2,5 mm nominal diameter. 1.2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 874. At the time of public
24、ation, the editions indicated were valid. All normative documents are subject to revision and parties to agreements based on this part of IEC 874 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and IS0 main
25、tain registers of currently valid International Standards. NOTE - References to specific clauses or subclauses include all subclauses to the reference unless otherwise specified. JEC 874-1 : 1993, Connectors for optical fibres and cables - Generic specification IEC 874-1 4: 1993: Connectors for opti
26、cal fibres and cables - Part 14: Sectional specification for fibre optic connectors - Type SC 1.3 Definitions None. 2 Requirements The requirements specified herein and in section 2 of IEC 874-1 apply. 2.1 Classification The connectors covered by this specification are classified as: Type: - name: S
27、C-D; - coupling: push-pull; STD-BSI BS EN b0874-17-ENGL 1977 1b24bb7 Ob32883 223 = Page 6 EN 60874-19 : 1997 - configurations: plug-adapter-plug; PlUg-SOCket. The single limit (maximum or minimum) mating face dimensions for each connector set configuration are given in figures 1 and 2. The detail sp
28、ecification defines the mating face dimensions, arrangement, style, variants, climatic category, environmental category, and assessment level). 2.2 Reference components The detail specification shall define reference components when they are required. 2.3 Gauges The detail specification shall define
29、 gauges when they are required. 2.4 Non-flammable materials The detail specification shall define non-flammable materials when they are required. STD-BSI BS EN b0874-17-ENGL 1797 LbZLibbS b3288LI LbT Page 6 EN 60874-19 : 1997 I I I I I I I I I I I I I I I I I l I I 1 I =-)-I- + Figure 1 - Fiche (dim
30、ensions dinterface) Plug mating face dimensions STDDBSI BS EN b0874-19-ENGL 1997 m lbZLibb9 Ob32BB5 OTb Rfrence Reference Y Page 7 EN 60874-19 : 1997 Dimensions Notes Min. Nom. Max. 12,25 13,15 3 PA PB I I PC 12.51 I I I 1 - 2,7 max. 1,8 max. 4 R 1.35 max. R 0,9 max. 4 I Dimensions I MMF 1 SMF“ I No
31、tes NOTES NOTES 1 2 Les dimensions originelles sont en miiiimbtres. 2 Original dimensions are in millimetres. 3 Les fiches individuelles sont alignes librement dans une bague de manire pouvoir se mouvoir sur toute la tolrance de cette dimension. Elles peuvent aussi tre fixes rigidement dans ia tolra
32、nce du raccord. La projection de dessin est dans le troisime angle. 1 The projection of drawings is in third angle. 3 Individual plugs may be aligned in a sleeve or by a clamp that allows for deviations from this dimension. 4 Cette dimension est typique pour les deux cls et doit tre spcifi6e dans ia
33、 spcification particulibre. 4 This dimension applies typically to both keys and shall be specified in the relevant detail specification. STD-BSI. BS EN b74-L7-ENGL 1777 Lb24bbS Ob3288b T32 Page 8 EN 60874-19 : 1997 J- AU f IP AO AT Figure 2 - Raccord (dimensions dinterface) Adaptor mating face dimen
34、sions STD-BSI BS EN b0874-17-ENGL 1797 1b24bb7 Ob32887 777 Dimensions AA AB Page 9 EN 60874-19 : 1997 MMF ” SMF I Notes 2.9 min. 2.0 min. 4 4 R 1.45 min. R 0,95 min. Rfrence I Dimensions Reference Y AO AP AO AR AS AT AU AD AE AF A Min. Nom. - 30.0 25.9 2,3 - 21,7 3.7 - - 3,725 4,525 Notes 3 Basic Ba
35、sic NOTES NOTES 1 La projection de dessin est dans le troisime angle 2 Les dimensions originelles ont en millimtres. 2 Original dimensions are in millimetres. 3 Cette dimension est la distance relle entre les bagues. the alignment sleeves. 1 The projection of drawings is in third angle. 3 This dimen
36、sion is the true position of the centres of 4 Cette dimension choisie doit tre spkifie dans la 3 This dimension applies typically to both keyways spcification particulire. and shall be specified in the relevant detail specification. STD-BSI BS EN b0879-19-ENGL 1997 Lb29bbS Ob32888 805 Page 10 EN 608
37、74-19 : 1997 3 Quality assessment procedures The quality assessment procedures specified herein and in section 3 of IEC 874-1 apply. 3.1 Qualification approval 3.1 .1 Fixed sample procedure When specified, the fixed sample procedure shall be in accordance with 3.3.1 of IEC 874-1. The relevant blank
38、detail specification contains the minimum mandatory test schedules and performance requirements for qualification by the fixed sample procedure. The complete set of mandatory test schedules and performance requirements shall be specified in the detail specif ication. Upon successful completion of th
39、e tests, qualification approval will be granted for the complete range of variants submitted as structurally similar. 3.1.1.1 Sample size The sample size for qualification by the fixed sample procedure shall be specified in the detail specification. The specimens shall be complete connector sets of
40、a variant for the fibre core diameter specified in the detail specification. In addition, the following samples shall be provided: - one specimen of each plug variant to be qualified by structural similarity to the one used for group O; - one specimen of each adaptor variant to be qualified by struc
41、tural similarity to the one used for group O; - one specimen of each socket variant to be qualified by structural similarity to the one used for group o“. Following completion of the group O tests, the specimens for the other groups shall be randomly selected from the group O sample. 3.1 -1.2 Prepar
42、ation of specimens Test specimens for kit arrangements shall be terminated using the smallest core diameter specified in the detail specification. The fibrekable type and lengths to be used for all arrangements shall be as specified in the detail specification. 3.1.1.3 Testing The tests shall be con
43、ducted in the order given, in accordance with the method specified and the specimens shall satisfy the performance requirements of the detail specification. The additional variant specimens (see 3.1.1.1) shall be tested to all group O tests and shall meet the requirements of the detail specification
44、. STD*BSI BS EN b0879-17-ENGL 1997 1bE“ibbS Ob32887 741 W Page 11 EN 60874-19 : 1997 3.1.2 Lot-by-lot and periodic procedure When specified, the lot-by-lot plus periodic qualification procedure shall be in accordance with 3.3.1 of IEC 874-1 (see 3.2.1 and 3.2.2 for test schedules). Upon successful c
45、ompletion of the tests, qualification approval will be granted for the complete range of variants submitted as structurally similar. 3.2 Quality conformance inspection 3.2.1 Lot-by-lot inspection The minimum mandatory inspection schedules for lot-by-lot inspection are specified in the relevant blank
46、 detail specification. The complete set of mandatory test schedules and performance requirements shall be specified in the detail specification. 3.2.2 Periodic inspection The minimum mandatory periodic test schedules are specified in the relevant specification. The complete set of mandatory test sch
47、edules and performance requirements shall be specified in the detail specification. Upon successful completion of the tests, periodic inspection approval will be granted for the complete range of variants submitted as structurally similar. 3.2.2.1 Sample size The sample size for periodic inspection
48、shall be as specified in the detail specification. The specimens shall be complete connector sets of a variant for the smallest fibre core diameter specified in the detail specification. In addition, the following samples shall be provided: - one specimen of each plug variant to be qualified by stru
49、ctural similarity to the one used for group “CO“ or DO; - one specimen of each adaptor variant to be qualified by structural similarity to the one used for group CO“ or “DO; - one specimen of each socket variant to be qualified by structural similarity to the one used for group CO or DO. Following completion of the group CO or DO tests, the specimens for the other groups shall be randomly selected from the group CO or DO sample. 3.2.2.2 Preparation of specimens Test specimens for kit arrangement
