EN 181102-1994 en Blank Detail Specification Fibre Optic Branching Devices Type Wavelength Selective Transmissive Star《空白详细规范 光纤分路器类型 波长选择星型传送器》.pdf
《EN 181102-1994 en Blank Detail Specification Fibre Optic Branching Devices Type Wavelength Selective Transmissive Star《空白详细规范 光纤分路器类型 波长选择星型传送器》.pdf》由会员分享,可在线阅读,更多相关《EN 181102-1994 en Blank Detail Specification Fibre Optic Branching Devices Type Wavelength Selective Transmissive Star《空白详细规范 光纤分路器类型 波长选择星型传送器》.pdf(21页珍藏版)》请在麦多课文档分享上搜索。
1、BS EN 181102 : 1995 Specification for Harmonized system of quality assessment or electronic components Blank detail specification Fibre optic branching devices Type: wavelength selective transmissive star The European Standard EN 181102 : 1994 has the status of a British Standard copyrigtrt Copyrigh
2、t subsists in all BSI publications and no part may be reproduced in any form without the prior permission in writing of BSI. This does not preclude the free use, in the course of implementing the standard of necessary details such as symbols and size, type or grade designations including use by inco
3、rporation into computer programs, but where these details are reproduced including without limitation in printed form, in computer programs or in any other form whatsoever, the permission in writing of BSI must be obtained and if granted will be on terms including royalty, before the product is sold
4、, licensed or otherwise exploited for commercial gain. This does not preclude the reproduction and free use of the pro forma pages in the course of preparing BS EN detail specifications. Enquiries should be addressed to the Copyright Manager, Publications, British Standards Institution, 389 Chiswick
5、 High Road, London W4 4AL (“el: 0181 996 7070; Fax: 0181 996 7047). British Standards Institution 389 Chiswick High Road, London W4 4AL 9502-7-0.04k-B EPIJ86 I aSEN181102 : 1995 carmiittees responsible for this British Standad The United Kingdom participation in the preparation of this European Stan
6、dard was entrusted to Technical Committee EPLI86, Fibre Optics, upon which the following bodies were represented: BEAMA Electrical Cable and Conductor Accessory Manufacturers Association British Approvals Service for Cables British Cable Makers Confederation British Telecommunications plc Department
7、 of Trade and Industry (National Physical Laboratory) ERA Technology Ltd. Federation of the Electronics Industry Fibre optic Industry Federation Ministry of Defence National Supervising Inspectorate ( BSI togetherwith the voting report circulated as document CECC(Secreariat)3275, it was approved by
8、CECC as EN 181 102 on 17 January 1993. The following dates were fixed: - latest date of announcement of the (ha) EN at national level - latest date of publication of an identical national standard - latest date of declaration of national standards obsolescence - latest date of withdrawal of conflict
9、ing national standards 199349-1 4 199443-1 4 1994-03-14 2003-0414 3404583 OL51009 L5T m Page 3 EN 181 102: 1994 GUIDANCE FOR THE PREPARATION OF DETAIL SPECIFICATIONS 1 2 2.1 2.2 3 3.1 3.2 4 INTRODUCTION This specification is a BDS for Fibre Optic Branching Devices of the I8Wavelength selective trans
10、missive star1* This includes instructions for preparing a DS. type QUALIFICATION APPROVAL Procedure The DS shall state the qualification approval procedure to be used in accordance with clause 3.3 of EN 181 000. Test schedule and performance requirements The test schedule for qualification by the fi
11、xed sample procedure shall be given in table 1 of DS (see clauses 2.2, 4.5 and 4.6 of EN 181 000). QUALITY CONFORMANCE INSPECTION Lot-by-lot inspection The test schedule for lot-by-lot inspection (groups A and B) shall be given in table 2 of the DS (see clauses 2.2, 4.5 and 4.6 of EN 181 000). Perio
12、dic inspection (i The test schedule for periodic inspection (groups C and D) shall be given in table 3 of the DS (see clauses 2.2, 4.5 and 4.6 of EN 181 000). PREPARATION OF DETAIL SPECIFICATIONS (DS) Each BDS is published separately as a pro forma document, with numbered spaces provided for enterin
13、g the informati- on necessary to create a DS. If the spaces provided are too small, then the information shall be provided on additional sheets forming part of the completed DS. Instructions for filling in the numbered spaces in a BDS are given below: (1) The name of the ONH under whose authority th
14、e DS is published and, if applicable, the organization from whom the DS is available. (2) The CECC symbol and the number allotted to the DS by the CECC General Secretariat. (3) The number and issue number of the CECC GS; also the national reference(s) if different. (4) If different from the CECC num
15、ber, the national number of the DS, date of issue and any further . = 3404583 0151OLO 971 Page 4 EN 181 102: 1994 information required by the national gether with any amendment numbers. (5) A brief description of the component components. system, to- or range of (6) The level of quality assessment (
16、A, B, C or X), sampling procedure (fixed quantity or lot-by-lot) and the climatic category. For (5) and (6) the text to be given in the DS shall be suitable for an entry in CECC O0 200 (Register of Appro- vals) and CECC O0 300 (Register of National Documents). (7) An outline drawing with main dimens
17、ions which are of importance for interchangeability, and/or reference to the appropriate national or international docu- ment for outlines. Alternatively, this drawing may be given in an annex to the DS, but (7) should al- ways contain an illustration of the general outer appearance of the component
18、. If an existing drawing from an IEC publication, or simi- lar source, is used in a CECC specification, then it can be either first or third angle projection, but the appro- priate symbol shall be shown on the drawing: 1st angle projection 3rd angle projection The symbol in the BDS may be converted
19、to indicate either 1st or 3rd angle, by deleting the inappropriate part of the drawing. Alternative outline dimensions or tolerance limits of any variants shall be shown, and may be listed in the form of a table alongside the drawing. (8) A list of variants and their identifying features covered by
20、the DS. Enter the identification number. “AYY“ for each variant of each component (see clause 2.7.1 of EN 181 000). Assign a column in the table for each variant feature. For example, cable type, housing, orientation of ports, means of mounting etc. instruction: max. values in dB for insertion losse
21、s between conduction ports within each specified opera- ting wavelength range; - min. values in dB for return losses, within each specified operating wavelength range; - min. values in dB for insertion losses between isolated ports within each specified operating wavelength range. Page 5 EN 181 102:
22、 1994 (9) Supplementary information Enter the supplementary information with respect to marking of the component, marking and contents of package, ordering information, related documents, certified test records and structural similarity. (10) Fixed-sample qualification approval test schedule Table 1
23、 shall give the required measurements and tests for qualification by fixed-sample procedure. If qualification by lot-by-lot and periodic proce- qure is specified, insert “NOT APPLICABLEt1 in table 1. If measurements or test are specified for which no basic procedure is available, or which do not app
24、ear in the GS, EN 181 000, each procedure shall be clearly described in an individual annex to the DS. The format and the minimurn mandatory test sequence shall be the same as specified in the GS. (11) Lot-by-lot inspection test schedule When completed, table 2 shall give the required mea- surements
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