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1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication Fibre optic interconnecting devices and passive components Fibre optic WDM devices Part 1: Generic specification BS EN 62074-1:2009 Licensed Copy: athen reading, Reading Unive
2、rsity Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI National foreword This British Standard is the UK implementation of EN 62074-1:2009. It is identical to IEC 62074-1:2009. It supersedes DD IEC/PAS 62074-1:2007 which is withdrawn. The UK participation in its preparation was entrusted by Tec
3、hnical Committee GEL/86, Fibre optics, to Subcommittee 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
4、 a contract. Users are responsible for its correct application. BSI 2010 ISBN 978 0 580 60673 1 ICS 33.180.01; 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 Comm
5、ittee on 31 January 2010 Amendments issued since publication Amd. No. Date Text affected BRITISH STANDARDBS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EUROPEAN STANDARD EN 62074-1 NORME EUROPENNE EU
6、ROPISCHE NORM November 2009 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form
7、and by any means reserved worldwide for CENELEC members. Ref. No. EN 62074-1:2009 E ICS 33.180.01; 33.180.20 English version Fibre optic interconnecting devices and passive components - Fibre optic WDM devices - Part 1: Generic specification (IEC 62074-1:2009) Dispositifs dinterconnexion et disposit
8、ifs passifs fibres optiques - Dispositifs WDM fibres optiques - Partie 1: Spcification gnrique (CEI 62074-1:2009) Lichtwellenleiter - Verbindungselemente und passive Bauteile - Lichtwellenleiter-WDM-Bauteile - Teil 1: Fachgrundspezifikation (IEC 62074-1:2009) This European Standard was approved by C
9、ENELEC on 2009-10-01. 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 stan
10、dards 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 not
11、ified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuan
12、ia, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EN 620
13、74-1:2009 - 2 - Foreword The text of document 86B/2850/FDIS, future edition 1 of IEC 62074-1, prepared by SC 86B, Fibre optic interconnecting devices and passive components, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62074-1 on 2009-1
14、0-01. 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) 2010-07-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-10-01 Anne
15、x ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62074-1:2009 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61300
16、-1 NOTE Harmonized as EN 61300-1:2003 (not modified). IEC 61300-2 NOTE Harmonized in EN 61300-2 series (not modified). IEC 61300-3 NOTE Harmonized in EN 61300-3 series (not modified). _ BS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy,
17、(c) BSI w w w . b z f x w . c o m - 3 - EN 62074-1:2009 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edi
18、tion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60027
19、Series Letter symbols to be used in electrical technology EN 60027 Series IEC 60050-731 -1) International Electrotechnical Vocabulary (IEV) - Chapter 731: Optical fibre communication - - IEC 60617 Data- base Graphical symbols for diagrams - - IEC 60695-11-5 -1) Fire hazard testing - Part 11-5: Test
20、flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance EN 60695-11-5 20052) IEC 60825 Series Safety of laser products EN 60825 Series ISO 129-1 -1) Technical drawings - Indication of dimensions and tolerances - Part 1: General principles - - ISO 286-1 -1) ISO syste
21、m of limits and fits - Part 1: Bases of tolerances, deviations and fits EN 20286-1 19932) ISO 370 -1) Toleranced dimensions - Conversion from inches into millimetres and vice versa - - ISO 1101 -1) Geometrical Product Specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation,
22、location and run-out EN ISO 1101 20052) ISO 8601 -1) Data elements and interchange formats - Information interchange - Representation of dates and times - - ITU-T Recommendation G.671 2005 Transmission characteristics of optical components and subsystems - - ITU-T Recommendation G.692 1998 Optical i
23、nterfaces for multichannel systems with optical amplifiers - - 1) Undated reference. 2) Valid edition at date of issue. BS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m 2 62074-1 IEC:2009(E) CONTENTS 1
24、 Scope.6 2 Normative references6 3 Terms and definitions .7 3.1 Basic term definitions 7 3.2 Component definitions .8 3.3 Performance parameter definitions 9 4 Requirements .22 4.1 Classification.22 4.1.1 General .22 4.1.2 Type22 4.1.3 Style22 4.1.4 Variant.23 4.1.5 Assessment level.23 4.1.6 Normati
25、ve reference extension.24 4.2 Documentation 24 4.2.1 Symbols.24 4.2.2 Specification system 24 4.2.3 Drawings .25 4.2.4 Measurements.25 4.2.5 Test data sheets26 4.2.6 Instructions for use 26 4.3 Standardization system26 4.3.1 Performance standards26 4.3.2 Reliability standard 26 4.3.3 Interlinking.27
26、 4.4 Design and construction 28 4.4.1 Materials28 4.4.2 Workmanship 28 4.5 Performance requirements.28 4.6 Identification and marking28 4.6.1 General .28 4.6.2 Variant identification number28 4.6.3 Component marking.28 4.6.4 Package marking.29 4.7 Safety29 Annex A (informative) Transfer matrix 30 An
27、nex B (informative) Examples of fibre optic WDM device types .33 Bibliography38 Figure 1 Example of a six-port device, with two-input and four-output ports.8 Figure 2 Illustration of adjacent channel isolation10 Figure 3 Illustration of a four-wavelength bidirectional system.11 Figure 4 Illustration
28、 of channel insertion loss variation 12 Figure 5 Illustration of free spectral range.13 BS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m 62074-1 IEC:2009(E) 3 Figure 6 Illustration of insertion loss .1
29、4 Figure 7 Illustration of minimum and maximum insertion loss14 Figure 8 Illustration of isolation wavelength.15 Figure 9 Illustration of isolation wavelength range.15 Figure 10 Illustration of maximum adjacent channel isolation 16 Figure 11 Illustration of non-adjacent channel isolation .17 Figure
30、12 Illustration of operating wavelength .17 Figure 13 Illustration of operating wavelength range .18 Figure 14 Illustration of polarisation dependent centre wavelength (PDCW) .19 Figure 15 Illustration of ripple (a) at the band edges and (b) in-band. 20 Figure 16 Illustration of X-dB bandwidth21 Fig
31、ure 17 Wavelength-selective branching device.22 Figure 18 Wavelength-selective branching device.23 Figure 19 Wavelength-selective branching device.23 Figure 20 Wavelength-selective branching device.23 Figure A.1 Example of a six-port device, with two-input and four-output ports30 Figure A.2 Illustra
32、tion of transfer matrix coefficient .31 Figure B.1 Example of a wavelength multiplexer .33 Figure B.2 Example of a wavelength demultiplexer .34 Figure B.3 Example of a wavelength multiplexer/demultiplexer34 Figure B.4 Example of a wavelength router.35 Figure B.5 Example of wavelength channel add/dro
33、p 36 Table 1 Three-level IEC specification structure.24 Table 2 Standards interlink matrix 27 BS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m 6 62074-1 IEC:2009(E) FIBRE OPTIC INTERCONNECTING DEVICES
34、AND PASSIVE COMPONENTS FIBRE OPTIC WDM DEVICES Part 1: Generic specification 1 Scope This part of IEC 62074 applies to fibre optic wavelength division multiplexing (WDM) devices. These have all of the following general features: They are passive, in that they contain no optoelectronic or other trans
35、ducing elements; but they may use temperature control only the purpose to stabilize the characteristics of devices; they exclude any optical switching function. They have three or more ports for the entry and/or exit of optical power, and share optical power among these ports in a predetermined fash
36、ion depending on the wavelength. The ports are optical fibres or optical fibre connectors. This standard establishes uniform requirements for the optical, mechanical and environmental properties. 2 Normative references The following referenced documents are indispensable for the application of this
37、document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60027(all parts), Letter symbols to be used in electrical technology IEC 60050(731), International Electrotechnical Vocabulary
38、 (IEV) Chapter 731: Optical fibre communication IEC 60617, International Standard Database Snapshot Graphical symbols for diagrams IEC 60695-11-5, Fire hazard testing Part 11-5: Test flames Needle-flame test method Apparatus, confirmatory test arrangement and guidance IEC 60825(all parts), Safety of
39、 laser products ISO 129-1, Technical drawings Indication of dimensions amd tolerances General principles ISO 286-1, ISO system of limits and fits Part 1: Bases of tolerances, deviations and fits ISO 370, Toleranced dimensions Conversion from inches into millimeters and vice versa ISO 1101, Geometric
40、al Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out ISO 8601, Data elements and interchange formats Information interchange Representation of dates and times BS EN 62074-1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2
41、010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m 62074-1 IEC:2009(E) 7 ITU-T Recommendation G.671:2005, Transmission characteristics of optical components and subsystems ITU-T Recommendation G.692:1998, Optical interfaces for multichannel systems with optical amplifiers 3 Terms and de
42、finitions For the purposes of this document, the terms and definitions given in IEC 60050(731) and the following apply. 3.1 Basic term definitions 3.1.1 port optical fibre or optical fibre connector attached to a passive component for the entry and/or exit of the optical power (input and/or output p
43、ort) 3.1.2 transfer matrix optical properties of a fibre optic wavelength-selective branching device can be defined in terms of an n x n matrix of coefficients, where n is the number of ports, and the coefficients represent the fractional optical power transferred between designated ports NOTE The d
44、etail explanation of transfer matrix is shown in Annex A. 3.1.3 transfer matrix coefficient element tij of the transfer matrix NOTE The detail explanation is shown in Annex A. 3.1.4 logarithmic transfer matrix transfer matrix whose matrix element aij is a logarithmic value of transfer matrix element
45、 tij NOTE The detail explanation is shown in Annex A. 3.1.5 conducting ports two ports i and j between which tij is nominally greater than zero at a specified wavelength 3.1.6 input/output port pair conducting ports i and j (tij nominally greater than zero) that are isolated from any other ports j (
46、aij nominally infinite). The ports are numbered sequentially, so that the transfer matrix is developed to show all ports and all possible combinations. The port numbering is arbitrary. NOTE Figure 1 below shows an example of a six-port device, with two input ports and four output ports. BS EN 62074-
47、1:2009 Licensed Copy: athen reading, Reading University Library, 24/01/2010 04:36, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m 8 62074-1 IEC:2009(E) Outputs Inputs 1 4 2 5 6 3 IEC 1188/09 Figure 1 Example of a six-port device, with two-input and four-output ports If there are four operating
48、 wavelengths, then the resulting transfer matrix becomes a 664 matrix: loss at 1 from port 1 to port 6 would use a161. Reflectance of port 2 at 4 would use a224. Loss from port 5 to port 2 at 3 would use a523 3.1.7 isolated ports two ports i and j between which tij is nominally zero, and aij is nomi
49、nally infinite at a specified wavelength 3.1.8 channel another term for operating wavelength (or frequency) 3.1.9 channel spacing centre-to-centre differences in frequency or wavelength between adjacent channels in a WDM device 3.2 Component definitions 3.2.1 wavelength-selective branching device passive component possessing three or more ports which shares op