TIA-455-234-2003 FOTP-234 IEC-60793-1-52 Optical Fibres C Part 1-52 Measurement Methods and Test Procedures - Change of Temperature.pdf

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1、 TIA STANDARD FOTP-234 IEC-60793-1-52 Optical Fibres Part 1-52: Measurement Methods and Test Procedures - Change of Temperature TIA-455-234 SEPTEMBER, 2003 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance ANSI

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8、s Part 1-52: Measurement Methods and Test Procedures Change of Temperature Standard should be submitted to TIA. (From Standards Proposal No. 3-0124, formulated under the cognizance of the TIA FO-4.6 Subcommittee on Optical Fibers.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2003 Standards

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23、 call U.S.A. and Canada 1-800-854-7179, International (303) 397-7956 IEC 60793-1-52 adopted as TIA-455-234 iCONTENTS FOREWORD ii INTRODUCTION .iv 1 Scope 1 2 Normative references .1 3 Apparatus 1 3.1 Chamber .1 3.2 Other apparatus 2 4 Sampling and specimens2 5 Procedure 2 5.1 Measurements.3 5.1.1 Op

24、tical measurements .3 5.1.2 Mechanical measurements Strippability.3 5.2 Conditioning 3 5.3 Recovery.3 6 Pass/fail criteria .3 7 Results.4 7.1 Information to be provided with each test.4 7.2 Information to be provided upon request 4 8 Specification information 4 IEC 60793-1-52 adopted as TIA-455-234

25、iiINTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part 1-52: Measurement methods and test procedures Change of temperature FOREWORD 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all national electrotechnical committees (I

26、EC National Committees). The object of the IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, the IEC publishes International Standards. Their preparation is entrusted to t

27、echnical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. The IEC collaborates closely with the Internationa

28、l Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since eac

29、h technical committee has representation from all interested National Committees. 3) The documents produced have the form of recommendations for international use and are published in the form of standards, technical specifications, technical reports or guides and they are accepted by the National C

30、ommittees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards. Any divergence between the IEC Standard and the corresponding natio

31、nal or regional standard shall be clearly indicated in the latter. 5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its standards. 6) Attention is drawn to the possibility that some of the

32、elements of this International Standard may be the subject of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60793-1-52 has been prepared by subcommittee 86A: Fibres and cables, of IEC technical committee 86: Fibre optic

33、s. This standard, together with the other standards in the IEC 60793-1-5X series, cancels and replaces the first edition of IEC 60793-1-5, of which it constitutes a technical revision. The text of this standard is based on the following documents: FDIS Report on voting 86A/679/FDIS 86A/703/RVD Full

34、information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 3. IEC 60793-1-52 adopted as TIA-455-234 iiiIEC 60793-1-5X consists of the following parts,

35、 under the general title: Optical fibres: Part 1-50: Measurement methods and test procedures Damp heat (steady state) Part 1-51: Measurement methods and test procedures Dry heat Part 1-52: Measurement methods and test procedures Change of temperature Part 1-53: Measurement methods and test procedure

36、s Water immersion The committee has decided that the contents of this publication will remain unchanged until 2003. At this date, the publication will be: reconfirmed; withdrawn; replaced by a revised edition, or amended. IEC 60793-1-52 adopted as TIA-455-234 ivINTRODUCTION Publications in the IEC 6

37、0793-1 series concern measurement methods and test procedures as they apply to optical fibres. Within the same series several different areas are grouped, as follows: parts 1-10 to 1-19: General parts 1-20 to 1-29: Measurement methods and test procedures for dimensions parts 1-30 to 1-39: Measuremen

38、t methods and test procedures for mechanical characteristics parts 1-40 to 1-49: Measurement methods and test procedures for transmission and optical characteristics parts 1-50 to 1-59: Measurement methods and test procedures for environmental characteristics. IEC 60793-1-52 adopted as TIA-455-234 1

39、OPTICAL FIBRES Part 1-52: Measurement methods and test procedures Change of temperature 1 Scope This part of IEC 60793 provides a practical method for evaluating fibre performance in a defined environment. The purpose of this standard is to define a test that determines the suitability of optical fi

40、bres (types A1a to A1d and B1 to B4) to withstand the environmental condition of changes in temperature which may occur in actual use, storage and/or transport. The test is primarily intended to permit the observation of effects of change of temperature over a given period. This procedure is conduct

41、ed in accordance with IEC 60068-2-14, test Nb. NOTE The applicability of this test to other fibre types is under study. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 60793. For dated refere

42、nces, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of IEC 60793 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated reference

43、s, the latest edition of the normative document referred to applies. Members 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 60793-1-32: Optical fibres Part 1-32: Measurement meth

44、ods and test procedures Coating strippability IEC 60793-1-40: Optical fibres Part 1-40: Measurement methods and test procedures Attenuation IEC 60793-2,1998: Optical fibres Part 2: Product specifications 3 Apparatus 3.1 Chamber The apparatus consists of an environmental chamber in accordance with IE

45、C 60068-2-14, test Nb. The chamber shall be capable of housing the specimen and of allowing IEC 60793-1-52 adopted as TIA-455-234 2measurement during conditioning. It shall also be capable of maintaining the specified temperatures within the specified tolerances. Forced air circulation may be used t

46、o maintain homogeneous conditions. The chamber and accessories shall be constructed and arranged in such a manner as to avoid condensation dripping on the specimen. 3.2 Other apparatus Additional apparatus may be necessary to perform the examinations and measurements (or as specified in the detail s

47、pecification). 4 Sampling and specimens To ensure the required repeatability on optical measurements, the length of the specimen shall be at least 1 000 m for fibre types A1a to A1d, and at least 2 000 m for fibre types B1 to B4. The amount of the specimen outside of the test chamber shall be minimi

48、sed, and if it exceeds 10 % of the overall specimen length, this should be reported. The preparation of the specimen shall have no detrimental effect on the fibre whilst under test conditions. Unless otherwise specified, the fibre sample should be loosely coiled and dusted with a material such as ta

49、lcum powder, to allow the coils to move freely against each other. The specimen may be coiled horizontally or vertically, with a minimum bend diameter of 150 mm to avoid any macro-bending effects. If the specimen is to be sprinkled with talc, then a piece of un-powdered fibre from the specimen should be exposed to the test environment. This piece of fibre shall be of sufficient length to enable any physical examinations to be performed before and after the test. A control length of the specimen shall be