BS-EN-61281-1-1999 IEC-61281-1-1999.pdf
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1、BRITISH STANDARD BS EN 61281-1:1999 IEC 61281-1: 1999 Fibre optic communication subsystems Part 1: Generic specification The European Standard EN 61821-1:1999 has the status of a British Standard ICS 33.180.01 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:24:43 GMT+00:00 2006, Uncontroll
2、ed Copy, (c) BSI BS EN 61281-1:1999 This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 July 1999 BSI 03-2000 ISBN 0 580 32689 6 National foreword This Briti
3、sh Standard is the English language version of EN 61281-1:1999. It is identical with IEC 61281-1:1999. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/3, Fibre optic systems and active devices, which has the responsibility to:
4、 aid enquirers to understand the text; present to the responsible international/European committee any enquiries 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. A list of organi
5、zations represented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering sys
6、tem to the other, publications may contain identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The Britis
7、h Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purpo
8、rt to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front co
9、ver, pages i and ii, the EN title page, pages 2 to 24, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd
10、. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:24:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61281-1:1999 BSI 03-2000i Contents Page National forewordInside front cover Foreword2 Text of EN 61281-13 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:24:43
11、 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:24:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61281-1 April 1999 ICS 33.180.01 English version Fibre optic communication subsystems P
12、art 1: Generic specification (IEC 61281-1:1999) Sous-systmes de tlcommunications par fibres optiques Partie 1: Spcification gnrique (CEI 61281-1:1999) Lichtwellenleiter- Kommunikationsuntersysteme Teil 1: Fachgrundspezifikation (IEC 61281-1:1999) This European Standard was approved by CENELEC on 199
13、9-04-01. CENELEC 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
14、obtained on application 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
15、Central Secretariat 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, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerlan
16、d and United Kingdom. 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 1999 CENELEC All rights of exploitation in any form and by a
17、ny means reserved worldwide for CENELEC members. Ref. No. EN 61281-1:1999 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:24:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61281-1:1999 BSI 03-2000 2 Foreword The text of document 86C/225/FDIS, future edition 1 of IEC 61281-1, prepared b
18、y SC 86C, Fibre optic systems and active devices, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61281-1 on 1999-04-01. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. Annexes designate
19、d “informative” are given for information only. In this standard, Annex ZA is normative and Annex A and Annex B are informative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 61281-1:1999 was approved by CENELEC as a European Standard without any m
20、odification. Contents Page Foreword2 1Scope3 2Normative references3 3Definitions3 4Symbols and acronyms12 4.1Symbols12 4.2Acronyms12 5Subsystem characteristics13 5.1General aspects13 5.2Digital fibre optic subsystems16 5.2.1General description16 5.2.2Digital subsystem characteristics16 5.2.3Digital
21、transmitter characteristics16 5.2.4Digital receiver characteristics17 5.2.5Digital regenerator characteristics18 5.3Analogue fibre optic subsystems18 5.3.1General description18 Page 5.3.2Analogue subsystem characteristics18 5.3.3Analogue transmitter characteristics19 5.3.4Analogue receiver character
22、istics20 5.3.5Analogue repeater characteristics20 5.4Fibre optic links21 5.4.1General description21 5.4.2Fibre optic cable plant characteristics21 5.4.3Fibre optic cable section characteristics21 5.4.4Fibre optic splice and connector characteristics21 5.4.5Optical device characteristics21 5.4.6Optic
23、al fibre amplifier characteristics22 Annex A (informative) Document classification scheme for IEC 61280, IEC 61282 and IEC 6129023 Annex B (informative) Bibliography24 Annex ZA (normative) Normative references to international publications with their corresponding European publicationsInside back co
24、ver Figure 1 The simplest basic fibre optic system14 Figure 2 A more complex BFOS14 Figure 3 Interconnected BFOSs forming a fibre optic subsystem15 Figure 4 A BFOS with multiport terminal devices15 Table 1 Digital subsystem characteristics16 Table 2 Digital transmitter characteristics17 Table 3 Digi
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