May,30

IEC 61300-1-2003 pdf – Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 1: General and guidance

IEC 61300-1-2003 pdf – Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 1: General and guidance

IEC 61300-1-2003 pdf – Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 1: General and guidance.
1 Scope This part of IEC 61 300 contains a series of environmental test and measurement procedures and, in some cases, preferred severities designed to assess the ability of fibre optic interconnecting devices and passive components to perform under expected service conditions. Although the severities are primarily intended for land-based communications, the procedures may be used for other applications. The object of this standard is to provide uniform and reproducible environmental test procedures and measurement procedures, for those preparing specifications for fibre optic interconnecting devices and passive components. These test and measurement procedures are based on available international engineering experience and judgement, and are designed to provide information on the following properties of components and equipment, such as connectors, splices, switches, attenuators, etc.: a) ability to operate within specified limits of temperature, pressure, humidity, mechanical stress or other environmental conditions and certain combinations of these conditions; b) ability to withstand storage and transport; c) ability to meet the specified levels of optical performance. The tests in this standard permit the performance of sample components or equipment to be compared. To assess the overall quality of a production lot, the test procedures should be applied in accordance with a suitable sampling plan and may be supplemented by appropriate additional tests, if necessary. To provide tests appropriate to the different intensities of an environmental condition, some of the test procedures have a number of degrees of severity. These different degrees of severity are obtained by varying the time, temperature or some other determining factor separately or in combination. This standard should be used in combination with the relevant specification which will define the tests to be used, the required degree of severity for each of them, their sequence, if relevant, and the permissible performance limits.
2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-731 , International Electrotechnical Vocabulary – Chapter 731: Optical fibre communication IEC 60068-2-1 Environmental testing – Part 2: Tests – Tests A: Cold IEC 6061 7 [DB-2002] 1 , Graphical symbols for diagrams IEC 60825-1 , Safety of laser products – Part 1: Equipment classification, requirements and user’s guide IEC 60825-2, Safety of laser products – Part 2: Safety of optical fibre communication systems IEC 61 300-3-1 , Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-1:Examinations and measurements – Visual examination IEC 61 31 5, Calibration of fibre optic power meters ISO 4288, Geometrical Product Specifications (GPS) – Surface texture: Profile method – Rules and procedures for the assessment of surface texture 3 Terms and definitions For the purposes of this part of IEC 61 300, the following terms and definitions apply. 3.1 test complete series of steps designed to subject specimens to an environmental condition or series of conditions and which normally consists of the following: a) pre-conditioning (where required); b) initial examination and measurements (where required); c) conditioning; d) recovery (where required); e) final examination and measurement 3.2 pre-conditioning treatment of a specimen with the object of removing or partly counteracting the effects of its previous history NOTE When called for, it is the first process in the test procedure.
3.3 conditioning exposure of a specimen to environmental conditions in order to determine the effects of such conditions on the specimen NOTE Where measurements are required during conditioning this will be stated in the relevant specification 3.4 recovery treatment of a specimen after conditioning in order that the properties of the specimen may stabilize before measurement 3.5 specimen single component, equipment or other item designated to be tested in accordance with the procedures of this standard NOTE In some cases this is referred to as “device under test” or “DUT”. 3.6 sample group of specimens, selected at random or by some other specified procedure from a larger population and which, for the purpose of testing, is intended to be representative of the larger population 4 Standard atmospheric conditions Standard atmospheric conditions need to be controlled within some range to ensure proper correlation of data obtained from measurements and tests conducted in various facilities. Test and measurement procedures shall be conducted under the following atmospheric conditions unless otherwise specified. In some cases special ambient conditions may be needed and can be specified in the relevant specification.

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