1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22549-0 SANS 60794-2-30:2009Edition 2IEC 60794-2-30:2008Edition 2SOUTH AFRICAN NATIONAL STANDARD Optical fibre cables Part 2-30: Indoor ca
4、bles Family specification for ribbon cables This national standard is the identical implementation of IEC 60794-2-30:2008 and is adopted with the permission of the International Electrotechnical Commission. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0
5、001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 60794-2-30:2009 Edition 2 IEC 60794-2-30:2008 Edition 2 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee SABS TC 79, Fibre optics, in accordance with procedure
6、s of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in May 2009. This SANS document supersedes SANS 60794-2-30:2006 (edition 1). IEC 60794-2-30Edition 2.0 2008-10INTERNATIONAL STANDARD Optical fibre cables Part 2-30: Indoor cables F
7、amily specification for ribbon cables INTERNATIONAL ELECTROTECHNICAL COMMISSION SICS 33.180.10 PRICE CODEISBN 2-8318-1002-3 Registered trademark of the International Electrotechnical Commission SANS 60794-2-30:2009This s tandard may only be used and printed by approved subscription and freemailing c
8、lients of the SABS . 2 60794-2-30 IEC:2008(E) CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Construction.7 3.1 General .7 3.2 Optical fibres and primary coating .7 3.3 Buffer 7 3.4 Ruggedized fibre .7 3.5 Slotted core.7 3.6 Tube7 3.7 Stranded loose tube 7 3.8 Ribbon structure7 3.9 Streng
9、th and anti-buckling members .7 3.10 Ripcord .8 3.11 Sheath 8 3.12 Sheath marking .8 3.13 Identification8 3.14 Example of cable construction.8 4 Dimensions 9 4.1 Optical fibres and primary coating .9 4.2 Ribbon structural geometry9 4.3 Optical fibre ribbon cable.9 5 Tests 9 5.1 Dimensions .9 5.2 Mec
10、hanical requirements.9 5.2.1 Tensile performance10 5.2.2 Crush 10 5.2.3 Impact .10 5.2.4 Bend10 5.2.5 Repeated bending .10 5.2.6 Bending under tension.11 5.2.7 Bending at low temperature .11 5.2.8 Flexing 11 5.2.9 Torsion 11 5.2.10 Kink.11 5.3 Environmental requirements11 5.3.1 Temperature cycling 1
11、1 5.4 Transmission requirements .12 5.4.1 Single-mode optical fibres .12 5.4.2 Single-mode dispersion unshifted (B1.1) optical fibre 13 5.4.3 Single mode dispersion unshifted (B1.2) optical fibre.13 5.4.4 Single mode dispersion unshifted (B1.3) optical fibre.13 5.4.5 Single mode dispersion shifted (
12、B2) optical fibre .13 5.4.6 Single mode non-zero dispersion (B4) optical fibre 14 5.4.7 Single mode wide band non-zero dispersion (B5) optical fibre .14 SANS 60794-2-30:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .60794-2-30 IEC:2008(E
13、) 3 5.4.8 Multimode fibres 14 5.5 Fire Performance.14 Annex A (informative) Example of cable construction.16 Annex B (informative) Family Specification Indoor cables optical fibre ribbon cables.17 Bibliography22 Figure 1 Example of identification by means of colour coding and positioning 8 Figure A.
14、1 Example of cross-section of a four-fibre ribbon cable16 Table 1 Dimensions of optical fibre ribbon cables 9 Table 2 Temperature cycling conditions .12 Table 3 Common single-mode fibre requirements 12 Table 4 Cabled attenuation requirements for B1.1 optical fibre 13 Table 5 Cabled attenuation requi
15、rements for B1.2 optical fibre 13 Table 6 Cabled attenuation requirements for B1.3 optical fibre 13 Table 7 Cabled attenuation requirements for B2 optical fibre .13 Table 8 Cabled attenuation requirements for B4 optical fibre .14 Table 9 Cabled attenuation requirements for B5 optical fibre .14 Table
16、 10 Requirements for multimode (A1a and A1b) optical fibre .14 Table B.1 Cable description .17 Table B.2 Cable element18 Table B.3 Cable construction .18 Table B.4 Installation and operating conditions 19 Table B.5 Tests applicable.19 Table B.6 Specifications for Industrial Premises installations as
17、 defined in ISO/IEC 2470220 SANS 60794-2-30:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 4 60794-2-30 IEC:2008(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRE CABLES Part 2-30: Indoor cables Family specification for ribbo
18、n cables FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardizati
19、on in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is en
20、trusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the Inte
21、rnational Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since
22、 each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content o
23、f IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in
24、 their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment de
25、clared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC Natio
26、nal Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is
27、 drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall
28、 not be held responsible for identifying any or all such patent rights. International Standard IEC 60794-2-30 has been prepared by sub-committee 86A: Fibres and cables, of IEC technical committee 86: Fibre optics. This second edition cancels and replaces the first edition published in 2003. It const
29、itutes a technical revision. The main changes are listed below: a) subclause 5.4 has been detailed according to the fibre type; b) Annex A has been added to show an example of cable construction; c) Annex B has been added which is a blank detail specification including Mice classification and requir
30、ements; d) a bibliography has been added This standard shall be used in conjunction with IEC 60794-1-1 and IEC 60794-1-2, and IEC 60794-2. SANS 60794-2-30:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .60794-2-30 IEC:2008(E) 5 The text o
31、f this standard is based on the following documents: FDIS Report on voting 86A/1233/FDIS 86A/1244/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC D
32、irectives, Part 2. A list of all parts of IEC 60794 series, published under the general title Optical fibre cables, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site u
33、nder “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. SANS 60794-2-30:2009This s tandard may only be
34、 used and printed by approved subscription and freemailing clients of the SABS . 6 60794-2-30 IEC:2008(E) OPTICAL FIBRE CABLES Part 2-30: Indoor cables Family specification for ribbon cables 1 Scope This part of IEC 60794 is a family specification which covers optical fibre ribbon cables for indoor
35、use. The requirements of the sectional specification IEC 60794-2 are applicable to cables covered by this standard. Clause B.2 contains requirements that supersede the normal requirements in case the cables are intended to be used in installations governed by the MICE table of ISO/IEC 24702. 2 Norma
36、tive 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. These documents complete the norm
37、ative references already listed in the generic specification (IEC 60794-1-1, Clause 2, and IEC 60794-1-2, Clause 2) or in the sectional specification (IEC 60794-2, Clause 2). IEC 60304:1982, Standard colours for insulation for low-frequency cables and wires. IEC 60793-1-20, Optical fibres Part 1-20:
38、 Measurement methods and test procedures Fibre geometry IEC 60793-1-40, Optical fibres Part 1-40: Measurement methods and test procedures Attenuation IEC 60793-1-44, Optical fibres Part 1-44: Measurement methods and test procedures Cutoff wavelength IEC 60793-2, Optical fibres Part 2: Product specif
39、ications General IEC 60793-2-10, Optical fibres Part 2-10, Product specifications Sectional specification for category A1 multimode fibres IEC 60794-1-1, Optical fibre cables Part 1-1: Generic specification General 86A/1054/NP IEC 60794-1-2, Optical fibre cables Part 1-2: Generic specification Basic
40、 optical cable test procedures IEC 60794-2, Optical fibre cables Part 2: Indoor cables Sectional specification IEC 60794-3, Optical fibre cables Part 3: Sectional specification Outdoor cables IEC 60811-1-1:1993, Common test methods for insulating and sheathing materials of electric cables and optica
41、l cables Part 1-1: Methods for general application Measurement of thickness and overall dimensions Tests for determining the mechanical properties SANS 60794-2-30:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .60794-2-30 IEC:2008(E) 7 IE
42、C 60811-1-4:1985, Common test methods for insulating and sheathing materials of electric cables Part 1: Methods for general application Section Four: Tests at low temperatures. 3 Construction 3.1 General In addition to the constructional requirements in IEC 60794-2, the following considerations appl
43、y to indoor ribbon cables. The cable shall be designed and manufactured for a predicted operating lifetime of at least 15 years. In this context, the attenuation of the installed cable at the operational wavelength(s) shall not exceed values agreed between the customer and the supplier. The material
44、s in the cable shall not present a health hazard within its intended use. There shall be no fibre splice in a delivery length unless otherwise agreed by the customer and the supplier. It shall be possible to identify each individual fibre throughout the length of the cable. 3.2 Optical fibres and pr
45、imary coating Multimode or single-mode optical fibres meeting the requirements of IEC 60793-2 shall be used. 3.3 Buffer None. 3.4 Ruggedized fibre None. 3.5 Slotted core None. 3.6 Tube None. 3.7 Stranded loose tube None. 3.8 Ribbon structure The ribbon structure shall conform to 6.5 and 8.2.3 of IEC
46、 60794-3. Fibres shall be formed into units of typically two, four, six, eight, or twelve fibres each. The fibres within the units shall remain parallel and not cross over. An example of a ribbon construction is shown in Figure A.1 3.9 Strength and anti-buckling members The optical fibre ribbon cabl
47、e may incorporate a tensile strength member. The strength member can be a layer of suitable material, longitudinally or helically applied, and/or may be embedded in the overall sheath. SANS 60794-2-30:2009This s tandard may only be used and printed by approved subscription and freemailing clients of
48、 the SABS . 8 60794-2-30 IEC:2008(E) 3.10 Ripcord None. 3.11 Sheath The optical fibre ribbon shall be uniformly covered with a protective sheath generally as shown in Figure A.1. 3.12 Sheath marking If required, the cable shall be marked as agreed between the customer and the supplier. 3.13 Identifi
49、cation The coated fibre shall be distinguishable by means of colour coding and positioning. For example (see Figure 1): a) a fibre ribbon has an identification coloured fibre on one side and a sub-identification coloured one on the other side; b) the identification and the sub-identification coloured fibres are the first and the last in the fibre ribbon, respectively; c) any colour of the identification colours group is different from tha
