1、 I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n ITU-T L.103 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (04/2016) SERIES L: ENVIRONMENT AND ICTS, CLIMATE CHANGE, E-WASTE, ENERGY EFFICIENCY; CONSTRUCTION, INSTALLATION AND PROTECTION OF CABLES AND OTHER ELEMENTS OF OUTSIDE P
2、LANT Optical fibre cables Cable structure and characteristics Optical fibre cables for indoor applications Recommendation ITU-T L.103 ITU-T L-SERIES RECOMMENDATIONS ENVIRONMENT AND ICTS, CLIMATE CHANGE, E-WASTE, ENERGY EFFICIENCY; CONSTRUCTION, INSTALLATION AND PROTECTION OF CABLES AND OTHER ELEMENT
3、S OF OUTSIDE PLANT OPTICAL FIBRE CABLES Cable structure and characteristics L.100L.124 Cable evaluation L.125L.149 Guidance and installation technique L.150L.199 OPTICAL INFRASTRUCTURES Infrastructure including node element (except cables) L.200L.249 General aspects and network design L.250L.299 MAI
4、NTENANCE AND OPERATION Optical fibre cable maintenance L.300L.329 Infrastructure maintenance L.330L.349 Operation support and infrastructure management L.350L.379 Disaster management L.380L.399 PASSIVE OPTICAL DEVICES L.400L.429 MARINIZED TERRESTRIAL CABLES L.430L.449 For further details, please ref
5、er to the list of ITU-T Recommendations. Rec. ITU-T L.103 (04/2016) i Recommendation ITU-T L.103 Optical fibre cables for indoor applications Summary Recommendation ITU-T L.103 (formerly, L.59) describes characteristics, construction and test methods for optical fibre cables for indoor applications.
6、 In order for an optical fibre to perform appropriately, characteristics that a cable should have are described. Also, the method of determining whether the cable has the required characteristics is described. Required conditions may differ according to the installation environment; detailed test co
7、nditions need to be agreed upon between the user and manufacturer for the environment where a cable is to be used. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T L.59 2004-09-06 6 11.1002/1000/7381 2.0 ITU-T L.103/L.59 2008-01-08 6 11.1002/1000/9325 2.1 ITU-T L.103/L.59 (20
8、08) Amd. 1 2015-07-03 15 11.1002/1000/12578 3.0 ITU-T L.103 2016-04-13 15 11.1002/1000/12835 Keywords Cable structure, cable testing, indoor cabling, optical fibre cable. _ * To access the Recommendation, type the URL http:/handle.itu.int/ in the address field of your web browser, followed by the Re
9、commendations unique ID. For example, http:/handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T L.103 (04/2016) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The
10、 ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standar
11、dization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information t
12、echnology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Comp
13、liance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other o
14、bligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTSITU draws attention to the possibility that the practice or implementa
15、tion of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As
16、of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged
17、to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2016 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T L.103 (04/2016) iii Table of Contents Page 1 Scope . 1 2 References . 1 3
18、Definitions 3 3.1 Terms defined elsewhere 3 3.2 Terms defined in this Recommendation . 4 4 Abbreviations and acronyms 4 5 Conventions 4 6 Characteristics of optical fibres and cables 4 6.1 Optical fibre characteristics 4 6.2 Mechanical characteristics 5 6.3 Environmental conditions . 6 6.4 Fire safe
19、ty . 7 7 Cable construction 7 7.1 Fibre coatings . 7 7.2 Cable element . 8 7.3 Sheath . 10 7.4 Identification of cable . 10 8 Test methods . 10 8.1 Test methods for cable element 10 8.2 Test methods for mechanical characteristics of the cable 11 8.3 Test methods for environmental characteristics . 1
20、3 8.4 Test methods for fire safety 13 Appendix I Overview of IEC specifications for indoor optical fibre cable 14 Appendix II Indoor pathway systems for optical fibre cables (Japanese experience) 15 II.1 General . 15 II.2 Vertical cable pathway systems 15 II.3 Horizontal cable pathway systems . 16 I
21、I.4 Pathway systems facilities 18 Appendix III Indoor cable specification (Chinese experience) 24 III.1 Fibre attenuation . 24 III.2 Mechanical characteristics 24 III.3 Environmental conditions . 25 III.4 Test methods for mechanical characteristics of the cable 25 III.5 Test methods for environmenta
22、l characteristics . 26 Appendix IV Low friction indoor cable and wiring (Japanese experience) . 27 IV.1 Introduction 27 IV.2 Configuration of fibre to the home for multi-dwelling units 27 iv Rec. ITU-T L.103 (04/2016) Page IV.3 Problems of conventional wiring 28 IV.4 Conventional indoor cable 28 IV.
23、5 Low friction indoor cable . 29 Bibliography. 32 Rec. ITU-T L.103 (04/2016) 1 Recommendation ITU-T L.103 Optical fibre cables for indoor applications 1 Scope This Recommendation: Applies to multimode and single-mode optical fibre cables to be used for telecommunication networks within buildings; Sp
24、ecifies the mechanical and environmental characteristics of the optical fibre cables concerned. The optical fibre dimensional and transmission characteristics, together with their test methods, should comply with one or more of ITU-T G.651.1, ITU-T G.652, ITU-T G.653, ITU-T G.654, ITU-T G.655, ITU-T
25、 G.656, ITU-T G.657 and IEC 60793-2-10; Specifies the fundamental considerations related to optical fibre cable from mechanical and environmental aspects; NOTE Other types of fibre may be used to meet the intent of cables according to this Recommendation. Specific attributes may differ, and require
26、agreement between the manufacturer and user. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendation
27、s and other references are subject to revision; users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly publishe
28、d. The reference to a document within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T G.650.1 Recommendation ITU-T G.650.1 (2010), Definitions and test methods for linear, deterministic attributes of single-mode fibre and cable. ITU-T G.650.2 Re
29、commendation ITU-T G.650.2 (2015), Definitions and test methods for statistical and non-linear related attributes of single-mode fibre and cable. ITU-T G.650.3 Recommendation ITU-T G.650.3 (2008), Test methods for installed single-mode optical fibre cable links. ITU-T G.651.1 Recommendation ITU-T G.
30、651.1 (2007), Characteristics of a 50/125 m multimode graded index optical fibre cable for the optical access network. ITU-T G.652 Recommendation ITU-T G.652 (2009), Characteristics of a single-mode optical fibre and cable. ITU-T G.653 Recommendation ITU-T G.653 (2010), Characteristics of a dispersi
31、on-shifted single-mode optical fibre and cable. ITU-T G.654 Recommendation ITU-T G.654 (2012), Characteristics of a cut-off shifted single-mode optical fibre and cable. ITU-T G.655 Recommendation ITU-T G.655 (2009), Characteristics of a non-zero dipersion-shifted single-mode optical fibre and cable.
32、 ITU-T G.656 Recommendation ITU-T G.656 (2010), Characteristics of a fibre and cable with non-zero dispersion for wideband optical transport. 2 Rec. ITU-T L.103 (04/2016) ITU-T G.657 Recommendation ITU-T G.657 (2012), Characteristics of a bending-loss insensitive single-mode optical fibre and cable
33、for the access network. ITU-T L.161/L.46 Recommendation ITU-T L.46 (2000), Protection of telecommunication cables and plant from biological attack. IEC 60331-25 IEC 60331-25 (1999), Tests for electric cables under fire conditions Circuit integrity Part 25: Procedures and requirements - Optical fibre
34、 cables. IEC 60332-1-1 IEC 60332-1-1 (2004) + AMD1 (2015), Tests on electric and optical fibre cables under fire conditions Part 1-1: Test for vertical flame propogation for a single insulated wire or cable Apparatus. IEC 60332-1-2 IEC 60332-1-2 (2004), Tests on electric and optical fibre cables und
35、er fire conditions Part 1-2: Test for vertical flame propagation for a single insulated wire or cable Procedure for 1 kW pre-mixed flame. IEC 60332-3-24 IEC 60332-3-24 (2000), Tests on electric cables under fire conditions Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires
36、 or cables Category C. IEC 60332-3-25 IEC 60332-3-25 (2000) + AMD1 (2008), Tests on electric cables under fire conditions Part 3-25: Test for vertical flame spread of vertically-mounted bunched wires or cables Category D. IEC 60754-1 IEC 60754-1 (2011), Test on gases evolved during combustion of mat
37、erials from cables Part 1: Determination of the halogen acid gas content. IEC 60754-2 IEC 60754-2 (2011), Test on gases evolved during combustion of materials from cables Part 2: Determination of acidity (by pH measurement) and conductivity. IEC 60793-1-1 IEC 60793-1-1 (2008), Optical fibres Part 1-
38、1: Measurement methods and test procedures General and guidance. IEC 60793-1-21 IEC 60793-1-21 (2001), Optical fibres Part 1-21: Measurement methods and test procedures Coating geometry. IEC 60793-1-32 IEC 60793-1-32 (2010), Optical fibres Part 1-32: Measurement methods and test procedures Coating s
39、trippability. IEC 60793-2-10 IEC 60793-2-10 (2015), Optical fibres Part 2-10: Product specifications Sectional specification for category A1 multimode fibres. IEC 60793-2-50 IEC 60793-2-50 (2015), Optical fibres Part 2-50: Product specifications Sectional specification for class B single-mode fibres
40、. IEC 60794-1-1 IEC 60794-1-1 (2015), Optical fibre cables Part 1-1: Generic specification General. IEC 60794-1-2 IEC 60794-1-2 (2013), Optical fibre cables Part 1-2: Generic specification Corss reference table for optical cable test procedures. IEC 60794-1-20 IEC 60794-1-20 (2014), Optical fibre ca
41、bles Part 1-20: Generic specification Basic optical cable test procedures General and definitions. IEC 60794-1-21 IEC 60794-1-21 (2015), Optical fibre cables Part 1-21: Generic specification Basic optical cable test procedures Mechanical Tests Methods. Rec. ITU-T L.103 (04/2016) 3 IEC 60794-1-22 IEC
42、 60794-1-22 (2012), Optical fibre cables Part 1-22: Generic specification Basic optical cable test procedures Environmental test methods. IEC 60794-1-23 IEC 60794-1-23 (2012), Optical fibre cables Part 1-23: Generic specification Basic optical cable test procedures Cable elements Test Methods. IEC 6
43、0794-2 IEC 60794-2 (2002), Optical fibre cables Part 2: Indoor cables Sectional specification. IEC 60794-2-10 IEC 60794-2-10 (2011), Optical fibre cables Part 2-10: Indoor optical fibre cables Family specification for simplex and duplex cables. IEC 60794-2-11 IEC 60794-2-11 (2012), Optical fibre cab
44、les Part 2-11: Indoor optical fibre cables Detailed specification for simplex and duplex cables for use in premises cabling. IEC 60794-2-20 IEC 60794-2-20 (2013), Optical fibre cables Part 2-20: Indoor cables Family specification for multi-fibre optical cables. IEC 60794-2-21 IEC 60794-2-21 (2012),
45、Optical fibre cables Part 2-21: Indoor optical fibre cables Detailed specification for multi-fibre optical distribution cables for use in premises cabling. IEC 60794-2-30 IEC 60794-2-30 (2008), Optical fibre cables Part 2-30: Indoor cables Family specification for ribbon cables. IEC 60794-2-31 IEC 6
46、0794-2-31 (2012), Optical fibre cables Part 2-31: Indoor cables Detailed specification for optical fibre ribbon cables for use in premises cabling. IEC 60794-2-50 IEC 60794-2-50 (2008), Optical fibre cables Part 2-50: Indoor cables Family specification for simplex and duplex cables for use in termin
47、ated cable assemblies. IEC 60794-3 IEC 60794-3 (2014), Optical fibre cables Part 3: Outdoor cables Sectional specification. IEC 60811-202 IEC 60811-202 (2012), Electric and optical fibre cables Test methods for non-metallic materials Part 202: General tests Measurement of thickness of non-metallic s
48、heath. IEC 60811-203 IEC 60811-203 (2012), Electric and optical fibre cables Test methods for non-metallic materials Part 203: General tests Measurement of overall dimensions. IEC 61034-1 IEC 61034-1 (2005) + AMD1 (2013), Measurement of smoke density of cables burning under defined conditions Part 1: Test apparatus. IEC 61034-2 IEC 61034-2 (2005) + AMD1 (2013), Measurement of smoke density of cables burning under defined conditions Part 2: Test procedure and requirements. 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the terms defined in ITU-T G.650.1, ITU-T G.
