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
25、 and test for qualification by lot-by-lot procedure. One or more assessment level(s) shall be given in table 2. When differing from the pre-ferred levels of the GS (see clause 2.1.5 of EN 181 000) the IL and AQL shall be entered and the assessment level(s) titled X, (Y) . etc. If measurements or tes
26、ts are specified for which no basic procedure is available, or which do not appear in the GS, EN 181 000, each procedure shall be clearly described in an individual annex to the DS. The format and the minimum mandatory test sequence shall be the same as specified in the GS. (12) Periodic C and D tes
27、ting procedure Table 3 shall give the required measurements and tests for Groups C and D periodic tests. One or more assessment level(s) shall be given in table 3. When differing from the preferred levels of the GS (see clause 2.1.5 of EN 181 000) the IL, AQL, p, n, c and t shall be entered and the
28、assessment level(s) titled (X, Y). (13) Details, measurements, and performance requirements Table 4 shall list the details of each tests requirements. It shall be noted that the mandatory tests have been given as a minimum. Other tests shall be given in the same manner. m 3404583 OLSLOL2 744 m REF.
29、Min. Max. Page 6 EN 181 102: 1994 Notes (1) Specification available from Variant-No. Operating . wavelength range ( s 1 (km) (2) Page 1 of . CECC 181 102- (3) ELECTRONIC COMPONENT OF ASSESSED QUALITY IN ACCORDANCE WITH GENERIC SPECIFICATION EN 181 O00 ISSUE 1 BLANK DETAIL SPEC. EN 181 102 (4) Issue
30、. . . (5) DETAIL SPECIFICATION for FIBRE OPTIC BRANCHING DEVICE OF ASSESSED QUALITY Style: Configuration: Type: Multiplexer/Demultiplexer Fibre Type(c): Connector set: - Wavelength Selective - Uni- or Bidirectional - Transmissive Star - Transfer matrix and numbering - NXM of ports: see page 2 (6) As
31、sessment Qualification Approval ci imat ic Level : Procedure: Category: ., (7) Outline dimensions and mass Panel piercing and mounting details: FIGURE Note: mass (9): Note: Additional drawings (if necessary) see page . (8) Variants: Information about manufacturers who have components qualified to th
32、is detail specification is available in the current CECC O0 200 Register of Approvals. -1- CECC 181 102- ISSUE Page 7 EN 181 102: 1994 1 2 N - (8) Transfer matrices and numbering of ports: N+l N+2 N+M Receive Port 2 N+M - 1 Launch Port Note 1: Note 2: .I. I Values in dB. Create an additional transfe
33、r matrix for each specified r. operating wavelength range. previously CECC 181 102- ISSUE . -2- Page 8 EN 181 102: 1994 (9) SUPPLEMENTARY INFORMATION Markina of the comDonent (add component marking requirements in accordance with clause 2.7.2 of EN 181 000, as applicable): Markinu and contents of ts
34、ackaae (add component package marking requirements in accordance with clause 2.7.3 of-EN 181 000, as applicable) : Orderina information (add ordering information, as applicable): Related documents (add additional related documents if not included in EN 181 000): Certified records of released lots (i
35、ndicate whether a certi- ficate is required): Structural similarity (add the boundary limits in acordance with clause 3.2 of EN 181 000): CECC 181 102- ISSUE . Page 9 EN 181 102: 1994 (10) T A B L E 1 FIXED SAMPLE QUALIFICATION APPROVAL TEST SCHEDULE Note: For details, measurements and performance r
36、equirements see table 4. Page 10 EN 181 102: 1994 EN 181 O00 Clause (11) T A B L E 2 (GROUPS A AND B) LOT-BY-LOT INSPECTION TEST SCHEDULE Assessment Level (Note 2) Test Sequence (Note 1) I I Note 1: For details, measurements and performance requirements see table 4. Note 2: See clause 2.1.5 of EN 18
37、1 000. Page 11 EN 181 102: 1994 (12) T A B L E 3 (GROUPS C AND D) PERIODIC INSPECTION TEST SCHEDULE Test Sequence (Note 1) I Group I EN 181 O00 Clause I Group C2 Further groups if applicable I Group DO Group D1 I Group D2 I Group D3 Further groups if applicable Assessment Level (Note 2) Sample size
38、Note 1: For details, measurements and performance requirements see table 4. Note 2: See clause 2.1.5 of EN 181 O00 -6- CECC 181 102- ISSUE . Page 12 EN 181 102: 1994 (13) T A B L E 4 DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Visual inspection: EN 181 O00 clause 4.5.1 Details - Configuration
39、 - Housing and orientation of the ports: - Marking - Preconditioning procedure - Recovery procedure - Deviations Requirements: the configuration, the connector type if any, the orientation of the ports shall be as specified in (5); workmanship shall be in accordance with clause 2.4.2 of EN 181 000;
40、marking shall be in accordance with the requirements in (9). Dimensions and mass: EN 181 O00 clause 4.5.2 Details - Size dimensions (mm) - Mass (9) - Size measurement method (if required): - Mass measurement method - Proconditioning procedure - Recovery procedure - Deviations Requirements: All size
41、dimensions and mass shall be in accordance with (7). = 3404583 0151019 OT9 * Page 13 EN 181 102: 1994 (13) T A B L E 4 (continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Insertion loss between conducting and isolated ports: EN 181 O00 clause 4.5.5 (Note) Details - Test method - Wavelengt
42、hs (pm) - Spectral width of source (nm) - Launch mode conditions - Lengths (mm) - Max. mean insertion loss of - Max. standard deviation of tempo- - Preconditioning procedure - Recovery procedure - Deviations temporary joint (dB) rary joint insertion loss (dB) Requirements: Allowable insertion loss v
43、alues between conducting ports (dB): (transfer coefficients aij (Al .An), i # 1). Note: For the wavelength dependence see itWavelength dependence of measurement st of EN 181 O00 clause 4.5.7. -8- CECC 181 102- ISSUE . 3404583 0151020 ALO = Page 14 EN 181 102: 1994 (13) T A B L E 4 (continued) DETAIL
44、S, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Vibration: EN 181 O00 clause 4.6.1 (Note 1) Details - Frequency range - Vibration amplitude - Endurance duration per axis - Method of mounting - Specimen optically functioning or non functioning - Pre-conditioning procedure - Recovery procedure - Bending
45、radius of pigtails - Deviations : Requirements: Initial measurements and Performance requirements: Measurements and performance requirements during test: (Note 2) .I Final measurements and performance requirements: a Note 1: For the wavelength dependence see ItWavelength dependence of measurementstt
46、 of EN 181 O00 clause 4.5.7. Note 2: See “Change in transmitted optical powertt of EN 181 O00 clause 4.5.9. -9- CECC 181 102- ISSUE . = 3404583 0151021 757 Page 15 EN 181 102: 1994 (13) T A B L E 4 (continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQUIREMENTS Cold: EN 181 O00 clause 4.6.17 (Note 1)
47、 Details - Temperature (OC) - Duration of exposure (h) - Specimen optically functio- ning or non-functioning - Pre-conditioning procedure - Recovery procedure - Deviations Requirements: Initial measurements and performance requirements: Measurements and performance requirements during test: (Note 2)
48、 Final measurements and performance requirements: Note 1: For the wavelength dependence see flWavelength dependence of measurement sf of EN 181 O00 clause 4.5.7. Note 2: See “Change in transmitted optical power“ of EN 181 O00 clause 4.5.9. 3404583 0151022 633 Page 16 EN 181 102: 1994 (13) T A B L E
49、4 (Continued) DETAILS, MEASUREMENTS AND PERFORMANCE REQU I KEMENTS Dry Heat: EN 181 O00 clause 4.6.18 (Note 1) Details - Temperature (OC) - Duration of exposure (h) - Specimen optically functio- ning or non-functioning - Pre-conditioning procedure - Recovery procedure - Deviations Requirements: Initial measurements and performance requirements: Measurements and performance requirements during test: (Note 2) Final measurements and performance requirements: Note 1: For the wavelength dependence see “Wavelength dependence of measurementst1 of EN 181 O00
