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1、BRITISH STANDARD BS EN 60794-1-2:1999 IEC 60794-1-2:1999 Incorporating Amendment No. 1 Optical fibre cables Part 1-2: Generic specification Basic optical cable test procedures The European Standard EN 60794-1-2:1999, with the incorporation of amendment A1:2002, has the status of a British Standard I
2、CS 33.180.10 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:03:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60794-1-2:1999 This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards
3、Committee and comes into effect on 15 November 1999 BSI 16 October 2003 ISBN 0 580 35561 6 National foreword This British Standard is the English language version of EN 60794-1-2:1999, including amendment A1:2002. It is identical with IEC 60794-1-2:1999, including amendment 1:2002. The start and fin
4、ish of text introduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to CENELEC text carry the number of the CENELEC amendment. For example, text altered by CENELEC amendment A1 is indicated by !“. The UK participation in its preparation was entrusted by Techni
5、cal Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or Euro
6、pean publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This Publication does not purport to include a
7、ll the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries
8、on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 61 a
9、nd a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No.DateComments 1457916 October 2003See national foreword Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:03:23 GMT+00:00 2006, Uncontr
10、olled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60794-1-2 August 1999 + A1 October 2002 ICS 33.180.10 English version Optical fibre cables Part 1-2: Generic specification Basic optical cable test procedures (includes amendment A1:2002) (IEC 60794-1-2:1999 + A1:2002) Cbles fi
11、bres optiques Partie 1-2: Spcification gnrique Procdures de base applicables aux essais des cbles optiques (inclut lamendement A1:2002) (CEI 60794-1-2:1999 + A1:2002) Lichtwellenleiterkabel Teil 1-2: Fachgrundspezifikation Grundlegende Prfverfahren fr Lichtwellenleiterkabel (enthlt nderung A1:2002)
12、(IEC 60794-1-2:1999 + A1:2002) This European Standard was approved by CENELEC on 1999-08-01; amendment A1 was approved by CENELEC on 2002-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status o
13、f 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 (English, French, German). A v
14、ersion 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, Belgium, Czech Republic,
15、Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Euro
16、pisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1999 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60794-1-2:1999 + A1:2002 E Licensed Copy: sheffieldun sheffieldun, na, Mon No
17、v 13 04:03:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60794-1-2:1999 BSI 16 October 2003 2 Foreword The text of document 86A/472/FDIS, future edition 1 of IEC 60794-1-2, prepared by SC 86A, Fibres and cables, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was ap
18、proved by CENELEC as EN 60794-1-2 on 1999-08-01. The following dates were fixed: This standard is to be used in conjunction with EN 60794-1-1:1999. 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. Endors
19、ement notice The text of the International Standard IEC 60794-1-2:1999 was approved by CENELEC as a European Standard without any modification. Foreword to amendment A1 The text of document 86A/788/FDIS, future amendment 1 to IEC 60794-1-2:1999, prepared by SC 86A, Fibres and cables, of IEC TC 86, F
20、ibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60794-1-2:1999 on 2002-10-01. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative.Annex ZA has been a
21、dded by CENELEC. Endorsement notice The text of amendment 1:2002 to the International Standard IEC 60794-1-2:1999 was approved by CENELEC as an amendment to the European Standard without any modification. Contents Page Foreword2 1Scope and object3 2Normative references3 3General and guidance4 4Optic
22、al cable tests5 5Method E1: Tensile performance5 6Method E2: Abrasion9 7Method E3: Crush12 8Method E4: Impact13 9Method E5: Stripping force stability of cabled optical fibres16 10Method E6: Repeated bending16 11Method E7: Torsion19 12 Method E8: Flexing22 13 Method E10: Kink23 14 Method E11: Bend24
23、15 Method E12: Cut-through resistance25 16 Method E13: Shot-gun damage26 17 Method E14: Compound flow (drip)31 18 Method E15: Bleeding and evaporation33 19 Method E17: Stiffness35 20 Method E18: Bending under tension (dynamic test)39 21 Method E19: Aeolian vibration41 22 Method E20: Cable coiling pe
24、rformance43 23 Method F1: Temperature cycling44 24 Method F3: Sheath integrity48 25 Method F5: Water penetration48 26 Method F7: Nuclear radiation50 27 Method F8: Pneumatic resistance50 28 Method F9: Ageing51 29 Method F10: Underwater cable resistance to hydrostatic pressure51 30 Method G1: Bend tes
25、t for cable elements52 31 Method G2: Ribbon dimensions and geometry Visual method52 32 Method G3: Ribbon dimensions Aperture gauge54 33 Method G4: Ribbon dimensions Dial gauge55 34 Method G5: Ribbon tear (separability)56 35 Method G6: Ribbon torsion58 36 Method G7: Tube kinking59 Annex ZA (normative
26、) Normative references to international publications with their corresponding European publications61 latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 2000-05-01 latest date by which the national standards con
27、flicting with the EN have to be withdrawn(dow) 2002-08-01 latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 2003-07-01 latest date by which the national standards conflicting with the amendment have to b
28、e withdrawn(dow) 2005-10-01 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:03:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60794-1-2:1999 BSI 16 October 2003 3 1 Scope and object This part of International Standard IEC 60794 applies to optical fibre cables for use with telecommunicati
29、on equipment and devices employing similar techniques, and to cables having a combination of both optical fibres and electrical conductors. The object of this standard is to define test procedures to be used in establishing uniform requirements for the geometrical, transmission, material, mechanical
30、, ageing (environmental exposure) and climatic properties of optical fibre cables, and electrical requirements where appropriate. 2 Normative references 2.1 The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 60794. At
31、 the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this part of IEC 60794 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. Membe
32、rs of IEC and ISO maintain registers of currently valid International Standards. IEC 60068-2-14:1984, Environmental testing Part 2: Tests Test N: Change of temperature. IEC 60227-2:1997, Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V Part 2: Test methods. IEC 605
33、44 (all parts), Electrical insulating materials Determination of the effects of ionising radiation. IEC 60793-1-2:1995, Optical fibres Part 1: Generic specification Section 2: Measuring methods for dimensions. IEC 60793-1-3:1995, Optical fibres Part 1: Generic specification Section 3: Measuring meth
34、ods for mechanical characteristics. IEC 60793-1-4:1995, Optical fibres Part 1: Generic specification Section 4: Measuring methods for transmission and optical characteristics. IEC 60793-1-5:1995, Optical fibres Part 1: Generic specification Section 5: Measuring methods for environmental characterist
35、ics. !IEC 60793-1-40, Optical fibres Part 1-40: Measurement methods and test procedures Attenuation.1) IEC 60793-1-46, Optical fibres Part 1-46: Measurement methods and test procedures Monitoring of changes in optical transmittance.“ IEC 60794-3:1998, Optical fibre cables Part 3: Duct, buried and ae
36、rial cables Sectional specification. IEC 61931/TR3:1998, Fibre optic Terminology. 2.2 References herein to the detail specification for cable attributes and parameters are intended to include the applicable other parts of this specification, the applicable family specifications contained therein and
37、 the detail specification. Annex A of IEC 60794-1-1 contains such requirements for short-distance links. 1)!IEC 60793-1-40, together with the other standards of the IEC 60793-1-4X series, cancels and replaces the second edition of IEC 60793-1-4, of which they constitute a technical revision.“ Licens
38、ed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:03:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60794-1-2:1999 4 BSI 16 October 2003 3 General and guidance Under consideration. 3.1 Introduction 3.2 Test procedure format The standard order of each test method is as follows. Additional clauses
39、 may be inserted, whilst maintaining this general order. Object Sample Apparatus Procedure Requirement Details to be specified 3.3 Definitions 3.4 Standard atmospheric conditions 3.5 Numerical value of quantity 3.6 Graphical symbols and terminology See IEC 61931/TR3. 3.7 Safety !3.8 Calibration guid
40、ance 3.8.1 Calibration The process of calibration may be defined as the set of operations which establish, under specified conditions, the relationship between values indicated by a measuring system and the known values of a reference material. Once established, this relationship may be used to adju
41、st the measuring system to correct for statistically significant bias. Adjustment of the system may take the form of, for example, a hardware or a software adjustment if a deterministic relationship is known to exist. Ensure the apparatus is calibrated and adjusted in accordance with the manufacture
42、r instructions before use, in order to minimize measurement uncertainty. Record relevant information of the calibration process, such as the calibrated value and uncertainty of the reference material or test equipment used. 3.8.2 Assessment of uncertainties2) Measurement uncertainty may be defined a
43、s the range within which the true value of a measured quantity (the measurand) is estimated to lie, within a given likelihood (or confidence level). The measurement uncertainty normally comprises several components some of which may be estimated using statistical techniques (known as Type A uncertai
44、nties) whilst others may be estimated on the basis of experience or other information (known as Type B uncertainties). Components of uncertainty, or variance, are additive, and a confidence interval may be calculated for the measurements based on the sum of the variance components.“ 2)!ISO Guide ISB
45、N 92-67-10188-9: 1995, Guide to the expression of uncertainty in measurement.“ Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:03:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60794-1-2:1999 BSI 16 October 2003 5 !A typical build-up of uncertainty may include the following sources of un
46、certainty: calibration uncertainty of reference materials or equipment used normally stated on the calibration certificates of the standards; transfer uncertainty estimated changes in the certified values of reference materials or equipment since they were calibrated; operational uncertainty estimat
47、ed effects of environmental conditions, such as temperature and humidity; statistical (random) uncertainty in the measurement of the specimen and the calibration standard due to, for example, electrical noise, vibration, data quantization, etc.“ 3.9 Launch conditions 4 Optical cable tests The follow
48、ing measurement procedures describe mechanical and environmental tests for optical cables and cable elements. Some of the tests are under consideration. As this standard is a revision of an earlier specification, some tests have been superseded by other tests or have been determined to be otherwise
49、not applicable. Therefore, several numbers in the test numbering sequence are missing. They are E9, E16, F2 and F4. 5 Method E1: Tensile performance 5.1 Object This measuring method applies to optical fibre cables which are tested at a particular tensile strength in order to examine the behaviour of the attenuation and/or the fibre elongation strain as a function of