1、BRITISH STANDARDBS EN 50377-3-1:2008Connector sets and interconnect components to be used in optical fibre communication systems Product specifications Part 3-1: Type SG terminated on IEC 60793-2-10 category A1a, A1b or equivalent multimode fibre for category CICS 33.180.20g49g50g3g38g50g51g60g44g49
2、g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 50377-3-1:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on
3、31 July 2008 BSI 2008ISBN 978 0 580 58627 9National forewordThis British Standard is the UK implementation of EN 50377-3-1:2008. It supersedes BS EN 50377-3-1:2001 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee G
4、EL/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 applica
5、tion.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD EN 50377-3-1 NORME EUROPENNE EUROPISCHE NORM March 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de
6、Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50377-3-1:2008 E English version Conne
7、ctor sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 3-1: Type SG terminated on IEC 60793-2-10 category A1a, A1b or equivalent multimode fibre for category C Jeux de connecteurs et composants dinterconnexion utiliser dans les systmes
8、 de communication par fibres optiques - Spcifications de produits - Partie 3-1: Type SG, relis des fibres multimodales des catgories A1a, A1b ou quivalent de la CEI 60793-2-10 pour usage en catgorie C Steckverbinderstze und Verbindungsbauelemente fr Lichtwellenleiter-Datenbertragungssysteme - Produk
9、tnormen - Teil 3-1: Bauart SG zum Anschluss an Mehrmodenfasern der Kategorien A1a, A1b oder dergleichen nach IEC 60793-2-10 fr Kategorie C This European Standard was approved by CENELEC on 2007-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c
10、onditions 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 i
11、n 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 electrote
12、chnical committees of Austria, Belgium, Bulgaria, 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
13、 and the United Kingdom. ICS 33.180.20 Supersedes EN 50377-3-1:2001EN 50377-3-1:2008 - 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 Unique Accep
14、tance Procedure and was approved by CENELEC as EN 50377-3-1 on 2007-12-01. This European Standard supersedes EN 50377-3-1:2001. This document is updated to include the performance of the adaptor, and patch cord next to the pigtailed connector as defined in the previous version. It also includes late
15、st attenuation and return loss grades as specified in IEC. 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) 2008-12-01 latest date by which the national standards conflicting w
16、ith the EN have to be withdrawn (dow) 2010-12-01 _ BS EN 50377-3-1:2008- 3 - EN 50377-3-1:2008 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications Part 3-1: Type SG terminated on IEC 60793-2-10 category A1a, A1b or equivalent multimod
17、e fibre for category C Description Performance Coupling mechanism: Latched push-pull Configuration: Plug/socket Fibre category: EN 60793-2-10 Types A1a b) manufacturing date code: year/week; c) manufacturers part number; d) variant identification number. The following colour coding scheme is preferr
18、ed: Table 1 Preferred colour coding scheme Socket Plug White/Beige/Black White/Beige/Black 4 Variants 4.1 Terminated plug The following fibre/cable variants are permitted: Variant nos. A01, A02, A03 and A04 bacBS EN 50377-3-1:2008- 9 - EN 50377-3-1:2008 adcTable 2 Plug fibre/cable variants Ref. Fibr
19、e dimensions Cable dimensions Note min. mm max. min. mm max. a - - 2,3 2,7 1 b 4,8 5,2 1 c 0,230 0,260 2 NOTE 1 Duplex cable “zip cord” construction. NOTE 2 Primary coated fibre. NOTE 3 Variant A01 is for type A1a fibre, variant A02 is for type A1b fibre, variants A03 and A04 are for polymer coated
20、fibre meeting the dimensional requirements of IEC type A1a and A1b fibre respectively. 4.2 Terminated socket The following fibre/cable variants are permitted: Variant nos. B01 and B02 Table 3 Socket fibre/cable variants Ref. Fibre dimensions Cable dimensions Note min. mm max. min. mm max. c 0,230 0,
21、260 2 d 0,850 0,950 NOTE 1 Variant B01 is for type A1a fibre, variant B02 is for type A1b fibre. NOTE 2 Primary coated fibre. 4.3 Identification of variants Table 4 Plug variants Variant number Identification number A01 50377-3-1-A01-MR A02 50377-3-1-A02-MR A03 50377-3-1-A03-MR A04 50377-3-1-A04-MR
22、BS EN 50377-3-1:2008EN 50377-3-1:2008 - 10 - Table 5 Socket variants Variant number Identification number B01 50377-3-1-B01-MR B02 50377-3-1-B02-MR 5 Dimensional requirements 5.1 Outline dimensions 5.1.1 Plug variants Variant nos. A01, A02, A03 and A04 Ref. Dimensions Note min. mm max.A B C D - - -
23、- 45,0 62,5 12,0 8,0Figure 1 Outline dimensions Plug AB C D BS EN 50377-3-1:2008- 11 - EN 50377-3-1:2008 5.1.2 Socket variants Variant nos. B01 and B02 BAFECGDHLJMKLATCH SURFACELATCH SURFACENPQRSRef. Dimensions Note min. mm max.A 16,7 17,9 B 14,5 14,7 C 7,4 11,4 D 8,4 12,4 E 16,4 16,6 F 1,8 2,6 G 0,
24、8 1,3 H 10,0 10,2 J 8,1 8,3 K 8,1 8,3 L 1,0 1,2 M 1,3 1,6 N 20,0 20,2 P 25,0 30,0 Q 51,0 Ref. R 45 Ref. degree S 32,5 Ref. Figure 2 Outline dimensions Socket BS EN 50377-3-1:2008EN 50377-3-1:2008 - 12 - 5.2 Mating face and other limit dimensions 5.2.1 Plug -A-MECHANICAL REFERENCE PLANENMPHJLABCABSRA
25、CNote 1WVBABBYMECHANICAL REFERENCE PLANEBEUBCAAFTOPTICAL REFERENCE PLANEBDBFADKBGDDetail AOPTICAL FIBRESee Note 2GEFigure 3 Plug mating face and other limit dimensions BS EN 50377-3-1:2008- 13 - EN 50377-3-1:2008 Ref. Dimensions Note min. mm max. A 21,0 - B 11,85 12,0 C 18,5 - D 1,0 2,0 Radius, 4 pl
26、aces E 1,6 3,4 F 1,17 1,27 2 places G 19,0 21,0 H 2,2 4,7 J 4,5 4,7 K 1,0 2,0 Radius, 2 places L 9,0 10,5 M 10,6 - N 6,0 12,7 2 places P 2,1 2,5 R 0,6 0,8 S 2,7 2,9 T 5,3 2 places U 7,85 8,0 V 1,5 1,7 2 places W 7,3 7,5 Y 1,7 1,9 AA 16 18 Degree AB 23 27 Degree AC 28 32 Degree AD 43 - Degree Note 3
27、BA 4,1 4,9 Note 2 BB 3,4 4,2 Note 2 BC 18,0 18,3 2 places BD 22,2 22,5 BE 0,5 2,0 BF 10,5 - Note 3 BG 6,0 - Note 3 NOTE 1 Plug cover is shown in open position. Actuation of the cover is by insertion and withdrawal of the plug into the socket. NOTE 2 Tolerances of dimensions BA and BB apply to fibre
28、end faces only. NOTE 3 Dimensional limits define the minimum internal cavity size to allow fibres to bend after plug is engaged in socket. NOTE 4 Latch travel shall permit plug/socket disengagement without interference. NOTE 5 Latch shall prevent plug over travel when engaged into socket. NOTE 6 Min
29、imum fibre strip length shall be 7,4 mm. Figure 3 Plug mating face and other limit dimensions (continued) BS EN 50377-3-1:2008EN 50377-3-1:2008 - 14 - 5.2.2 Detail A: Plug fibre endtip geometry after termination OPTICAL REFERENCE PLANECBAHAJ(+)YY(-)XXNote 2Ref. Dimensions Note min. mm max. AH 7,5 8,
30、5 Degree AJ 30 45 Degree CB Note 1 0,094 Diameter NOTE 1 CB minimum shall be the nominal optical fibre core diameter. NOTE 2 No projecting burr permissible. NOTE 3 Axis -XX- is the fibre axis parallel to Datum A of Figure 3. NOTE 4 Axis -YY- is the fibre axis perpendicular to Axis -XX-. NOTE 5 Y (-)
31、 is adjacent to Datum A of Figure 3. NOTE 6 Fibre endface shall be perpendicular to axis -YY- within 0,5 degrees. NOTE 7 Dimensional requirements apply to the fibre after all termination procedures have been completed. NOTE 8 Measured using EN 61300-3-37. Figure 3a Plug fibre endtip geometry After t
32、ermination BS EN 50377-3-1:2008- 15 - EN 50377-3-1:2008 5.2.3 Socket MECHANICAL REFERENCE PLANEEJSECTION -ZZ-DOOR ROTATEDFROM VIEWBKACBJPBLAB-YY- -YY-BNBMWBSBRBPBSECTION -YY-DOOR SHOWN INCLOSED POSITION-ZZ-ZZ-B-OPTICAL FIBREBTBUFTUG-XX-XX-BVOPTICAL REFERENCE PLANEBHAESIDE SECTION THROUGH V-GROOVEDOO
33、R SHOWN IN OPEN POSITIONSECTION -XX-BAYBWAGBXDOOR SHOWN INCLOSED POSITIONAFSee Detail BOPTICALFIBRE0,0127Figure 4 Socket mating face and other limit dimensions Socket BS EN 50377-3-1:2008EN 50377-3-1:2008 - 16 - Ref. Dimensions Note min. mm max. B 12,02 12,2 E 3,4 - F 0,97 1,07 G 21,0 - J 4,9 12,2 P
34、 2,7 2,9 T 4,9 5,1 U 8,0 8,2 W 7,6 7,7 Y 1,2 1,6 AB 23 27 Degree AC 28 32 Degree AE 30 70 Degree AF 47 49 Degree AG 88 92 Degree BA 4,4 4,6 BH 10,6 - BJ 5,7 6,0 BK 3,6 3,8 BL 0,7 1,0 BM 1,3 1,5 BN 1,2 1,4 Degree BP 1,0 2,5 Degree BR 11,9 12,0 Degree BS 2,0 2,2 Degree BT 11,66 11,81 Degree BU 3,6 - B
35、V 10,95 11,15 BW - 0,04 Radius BX 0,9 1,6 NOTE 1 Dimension BA denotes location of fibre end faces only. NOTE 2 Maximum plug insertion/withdrawal force shall be 20 N. Figure 4 Socket mating face and other limit dimensions Socket (continued) BS EN 50377-3-1:2008- 17 - EN 50377-3-1:2008 5.2.4 Detail B:
36、 Socket fibre endtip geometry after termination OPTICAL REFERENCE PLANEAHYYX(-)X(+)Ref. Dimensions Note min. mm max. AH 7,5 8,5 Degree NOTE 1 Axis -YY- is the fibre axis parallel to Datum B of Figure 4. NOTE 2 Axis -XX- is the fibre axis perpendicular to Axis -YY-. NOTE 3 X (-) is adjacent to Datum
37、B of Figure 4. NOTE 4 Fibre endface shall be perpendicular to Axis -YY- within 0,5 degrees. NOTE 5 Dimensional requirements apply to the fibre after all termination procedures have been completed. NOTE 6 Measured using EN 61300-3-37. Figure 4a Socket fibre endtip geometry After termination 6 Tests 6
38、.1 Sample size For the purposes of this specification, a sample is defined as a mated plug and socket. All samples shall be randomly selected. The sample size and product sourcing requirements are given in Annex A. The length of cable (or fibre) on each side of the connector set shall be 3,0 m minim
39、um. BS EN 50377-3-1:2008EN 50377-3-1:2008 - 18 - 6.2 Test and measurement methods All tests and measurements have been selected from EN 61300. Unless otherwise stated in the individual test details all attenuation measurements shall be performed at both 850 nm 30 nm and 1 300 nm 30 nm, all return lo
40、ss measurements shall be performed at 1 300 nm 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 1 a
41、nd 2 following which there is no defined sequence in which Tests 3 12 must be run. 6.4 Pass/fail criteria A product will have met the requirements of this specification 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
42、sample size double that of the original. 7 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 8 have been carried out in accordance with this specification. 8 Testing requirements 8.1 Di
43、mensional requirements Dimensions of the product shall be in accordance with the requirements of Clause 5. Endface geometry shall be measured before and after the completion of climatic testing and shall meet the requirements as stated in 5.2.2 and 5.2.4. The method to be used is EN 61300-3-37. BS E
44、N 50377-3-1:2008- 19 - EN 50377-3-1:2008 8.2 Optical performance requirements Table 6 Optical performance requirements No. Test Requirement Details 1 Attenuation (random mate) 0,75 dB 95 % 0,5 dB Mean 0,35 dB 10 randomly mated connector sets (10 plugs, 10 sockets, total of 200 measurements, 400 fibr
45、es). Method: EN 61300-3-34 Source type: LED Peak wavelength: 850 nm 30 nm and 1 310 nm 30 nm Source stability: 3 m aPre-conditioning procedure: Clean plug and socket using manufacturers recommended practice. 2 Return loss (random mate) 20 dB 20 randomly mated connector sets (20 plugs, 20 sockets, to
46、tal of 400 measurements). Method: EN 61300-3-6, Method 1 Source type: LED Peak wavelength: 1 310 nm 30 nm Source stability: 2 m aDirectional coupler type: 50/50 fused Directivity: 35 dB Pre-conditioning procedure: Clean plug and socket using manufacturers recommended practice. aAll optical tests to
47、be measured at launch modal condition according to IEC/PAS 61300-3-43. BS EN 50377-3-1:2008EN 50377-3-1:2008 - 20 - 8.3 Mechanical performance requirements Table 7 Mechanical performance requirements No. Test Requirement Details 3 Tensile strength of coupling mechanism Attenuation (at 1 300 nm 30 nm
48、): 0,75 dB initial 0,75 dB final Max. change in attenuation allowable during the test is 0,2 dB Return loss: 20 dB initial 20 dB final Method: EN 61300-2-6 Magnitude of load: 40 N 1 N Duration of the load: 60 s min. Rate of application of the load: 2 N/s max. Point of application of the load: 0,2 m
49、behind rear of plug Method of mounting: The socket shall be mounted rigidly to the mounting fixture. Specimen optically functioning or not: Yes Measurements required: Before, during (30 s after max. load reached) and after the test (5 min recovery period). Attenuation: According to Table 6. Return loss: According to Table 6. Pre-conditioning proce
