BS-EN-61300-3-3-2003.pdf
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1、BRITISH STANDARD BS EN 61300-3-3:2003 Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-3: Examinations and measurements Active monitoring of changes in attenuation and return loss The European Standard EN 61300-3-3:2003 has the status of a Briti
2、sh Standard ICS 33.180.20 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:52:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61300-3-3:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 19 May 2003 BSI 19 May 2003 ISBN 0 580
3、 41871 5 National foreword This British Standard is the official English language version of EN 61300-3-3:2003. It is identical with IEC 61300-3-3:2003. It supersedes BS EN 61300-3-3:1997 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre o
4、ptics, to Subcommittee GEL/86/2, Fibre optic interconnecting devices and passive components, 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
5、European 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 inclu
6、de all 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 enquir
7、ies 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, the EN title page, pages 2 to 19 and a back co
8、ver. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:52:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 61300-3-3 NORM
9、E EUROPENNE EUROPISCHE NORM April 2003 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation
10、 in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61300-3-3:2003 E ICS 33.180.20 Supersedes EN 61300-3-3:1997 English version Fibre optic interconnecting devices and passive components - Basic test and measurement procedures Part 3-3: Examinations and measurements - A
11、ctive monitoring of changes in attenuation and return loss (IEC 61300-3-3:2003) Dispositifs dinterconnexion et composants passifs fibres optiques - Mthodes fondamentales dessais et de mesures Partie 3-3: Examens et mesures - Contrle de la variation de laffaiblissement et de la puissance rflchie (CEI
12、 61300-3-3:2003) Lichtwellenleiter-Verbindungselemente und passive Bauteile - Grundlegende Prf- und Messverfahren Teil 3-3: Untersuchungen und Messungen - Aufzeichnung der nderung von Dmpfung und Rckflussdmpfung (IEC 61300-3-3:2003) This European Standard was approved by CENELEC on 2003-03-01. CENEL
13、EC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on ap
14、plication to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secret
15、ariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden
16、, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:52:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 86B/1781/FDIS, future edition 2 of IEC 61300-3-3, prepared by SC 86B, Fibre optic interconnecting devices and passive components,
17、 of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61300-3-3 on 2003-03-01. This European Standard supersedes EN 61300-3-3:1997. The following dates were fixed: latest date by which the EN has to be implemented at national level by publicati
18、on of an identical national standard or by endorsement (dop) 2003-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2006-03-01 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has
19、 been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61300-3-3:2003 was approved by CENELEC as a European Standard without any modification. _ 2 egaP EN 6130033:2002 Page 2 EN 6130033:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:52:25 GMT+00:00 20
20、06, Uncontrolled Copy, (c) BSI CONTENTS 1 Scope.5 2 Normative references .5 3 General description 5 3.1 Precautions.6 4 Apparatus.6 4.1 Methods 1, 2 and 36 4.2 Methods 4 and 510 5 Procedure 12 5.1 Monitoring attenuation and return loss of a single sample Method 1: 12 5.2 Monitoring attenuation and r
21、eturn loss of multiple samples using a 1N branching device Method 2.13 5.3 Monitoring attenuation and return loss of multiple samples using two 1N optical switches Method 3 13 5.4 Bidirectional OTDR monitoring of attenuation and return loss of multiple samples Method 4 15 5.5 Unidirectional OTDR mon
22、itoring of attenuation and return loss of multiple samples Method 5 .18 6 Details to be specified 18 6.1 Method 1.18 6.2 Methods 2 and 318 6.3 Methods 4 and 518 Annex ZA (normative) Normative references to international publications with their corresponding European publications19 Figure 1 Method 1-
23、 Monitoring attenuation and return loss of a single sample undergoing stress testing9 Figure 2 Method 2 Monitoring attenuation and return loss of multiple samples using a 1N branching device 9 Figure 3 Method 3 Monitoring attenuation and return loss of multiple samples using two 1N optical switches
24、.10 Figure 4 Method 4 Bidirectional OTDR monitoring of attenuation and return loss of multiple samples.11 Figure 5 Method 5 Unidirectional OTDR monitoring of attenuation and return loss of multiple samples.11 Figure 6 Cut-back measurement location (transmission) 14 Figure 7 Typical OTDR trace caused
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