CSA T568 1-3-2005 Commercial building telecommunications cabling standard Part 1 General requirements Addendum 3 Supportable distances and channel attenuation for optical fiber .pdf

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1、 T568.1-3-05(ANSI/TIA-568-B.1-3-2003)Commercial building telecommunications cabling standard Part 1: General requirements Addendum 3 Supportable distances and channel attenuation for optical fiber applications by fiber type CSA Standard T568.1-3-05 (ANSI/TIA-568-B.1-3-2003) Commercial building telec

2、ommunications cabling standard Part 1: General requirements Addendum 3 Supportable distances and channel attenuation for optical fiber applications by fiber type Published in May 2005 by Canadian Standards Association A not-for-profit private sector organization 5060 Spectrum Way, Suite 100, Mississ

3、auga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044 Visit our Online Store at www.ShopCSA.ca Commercial building telecommunications cabling standard Part 1: General requirements Addendum 3 Supportable distances T568.1-3-05 and channel attenuation for optical fiber applications by fiber type CSA

4、/2 Canadian Standards Association May 2005 T568.1-3-05 Commercial building telecommunications cabling standard Part 1: General requirements Addendum 3 Supportable distances and channel attenuation for optical fiber applications by fiber type CSA Preface This is the first edition of CSA T568.1-3, Com

5、mercial building telecommunications cabling standard Part 1: General requirements Addendum 3 Supportable distances and channel attenuation for optical fiber applications by fiber type. This Standard is an adoption of the identically titled ANSI/TIA (American National Standards Institute/Telecommunic

6、ations Industry Association) Standard 568-B.1-3-2003 and is the product of the Telecommunications Industry Association TR-42 Technical Committee, which included a number of Canadian members in order to ensure that Canadian perspectives and requirements were addressed. It is written in SI (metric) un

7、its with yard/pound (imperial) units in parentheses. This Standard has been adopted with no technical deviations. Where code requirements or regulations necessitate changes from US to Canadian references, they should be made by the user, as follows: (a) Throughout this Standard, replace the term “Am

8、erican” with “Canadian”, as applicable. (b) Throughout this Standard, replace the term “state” with “provincial or territorial”, as applicable. (c) Throughout this Standard, replace “NEC” with “CE Code, Part I” (Canadian Electrical Code), as applicable. In addition, (i) where reference is made to “c

9、onduit”, replace it with “conduit/EMT” (electrical metallic tubing) because, in accordance with the Canadian Electrical Code, Part I, EMT is not considered a type of conduit; and (ii) the definitions of the following terms are to be taken from the Canadian Electrical Code, Part I: “Bonding”, “Ground

10、”, and “Raceway”. (d) Throughout this Standard, where reference is made to “FCC”, replace it with “CRTC” (Canadian Radio-television and Telecommunications Commission), or “Industry Canada”, as applicable. (e) The following Standards, published by the Canadian Standards Association, are adoptions of

11、TIA/EIA Standards. The requirements of these CSA Standards take precedence over the TIA/EIA Standards on which they are based; any reference in CSA T568.1-3 to the TIA/EIA Standard is to be replaced by a reference to the equivalent Canadian Standard: (i) T568.1-05, Commercial building telecommunicat

12、ions cabling standard Part 1: General requirements; and (ii) T568.3-05, Optical fiber cabling components standard. (f) Throughout this Standard, replace the term “Listed” with “Approved as applied to electrical equipment”.Commercial building telecommunications cabling standard Part 1: General requir

13、ements Addendum 3 Supportable distances T568.1-3-05 and channel attenuation for optical fiber applications by fiber type May 2005 Canadian Standards Association CSA/3 This Standard was reviewed for Canadian adoption by the CSA Technical Committee on Telecommunications Wiring Systems, under the juris

14、diction of the Strategic Steering Committee on Information and Communications Technology, and has been formally approved by the Technical Committee. A list of the members of the Technical Committee is available upon request. May 2005 Canadian Standards Association 2005 All rights reserved. No part o

15、f this publication may be reproduced in any form whatsoever without the prior permission of the publisher. TIA material is reprinted with permission. Inquiries regarding this CSA Standard should be addressed to Canadian Standards Association 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada

16、 L4W 5N6 1-800-463-6727 416-747-4044 www.csa.ca TIA STANDARD ANSI/TIA-568-B.1-3-2003 Approved: February 25, 2003 Commercial Building Telecommunications Cabling Standard Part 1: General Requirements Addendum 3 Supportable Distances and Channel Attenuation for Optical Fiber Applications by Fiber Type

17、TIA-568-B.1-3 (Addendum No. 3 to TIA/EIA-568-B.1) FEBRUARY 2003 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance NOTICE TIA Engineering Standards and Publications are designed to serve the public interest thro

18、ugh eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for their particular need. The existence of such Standards and Publication

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21、. Further details of the development process are available in the TIA Engineering Manual, located at http:/www.tiaonline.org/standards/sfg/engineering_manual.cfm This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the

22、 responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 3-4425-AD3, formulated under the cognizance of the TIA TR-42.8 Subcommittee on Telecommunication

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36、: Global Engineering Documents 15 Inverness Way East Englewood, CO 80112-5704 U.S.A. or call U.S.A. and Canada 1-800-854-7179, International (303) 397-7956 TIA-568-B.1-3 Supportable Distances And Channel Attenuation For Optical Fiber Applications By Fiber Type, Addendum 3 To ANSI/TIA/EIA-568-B.1 Tab

37、le of Contents 1 INTRODUCTION . 1 2 SCOPE 1 3 TABLE ADDENDUM 2 List of Tables Table 1: Supportable distances and channel attenuation for optical fiber applications by fiber type 2 iTIA-568-B.1-3 1 INTRODUCTION At the request of the TR-42.1 Subcommittee on Commercial Building Cabling, the supportable

38、 distances and channel attenuation for optical fiber applications by fiber type within ANSI/TIA/EIA-568-B.1, table E-1 has been under review by the TR-42.8 Telecommunications Optical Fiber Cabling Systems Subcommittee. The purpose of this addendum, as a result of their research, is to supplement tab

39、le E-1, supportable distances and channel attenuation for optical fiber applications by fiber type, of ANSI/TIA/EIA-568-B.1. 2 SCOPE This addendum applies to the supportable distances and channel attenuation for optical fiber applications by fiber type. This addendum supplements the information cont

40、ained in table E-1. Two new applications (10/100BASE-SX and 10G Ethernet) and one new fiber type (850-nm laser-optimized 50/125-m multimode fiber) are addressed in table 1. 1TIA-568-B.1-3 23 TABLE ADDENDUM Table 1 Supportable distances and channel attenuation for optical fiber applications by fiber

41、type Maximum Supportable Distance1(m) Maximum Channel Attenuation1 (dB) Multimode2Multimode2Application Wave Length (nm) 62.5/125 m 50/125 m 850-nm Laser-Optimized 50/125 m3Single-mode962.5/125 m 50/125 m 850-nm Laser- Optimized 50/125 m3Single-mode 10/100BASE-SX 850 300 300 300 NST 4.0 4.0 4.0 NST

42、10G Ethernet10GBASE-S 850 264825300 NST 2.66,72.36,82.6 NST 10GBASE-L 1310 NST NST NST 100009NST NST NST 6.0 10GBASE-E 1550 NST NST NST 40000 NST NST NST 11.01010GBASE-LX4 1300 300 30011300 - 2.56,122.06,122.06,12- 10GBASE-LX4 1310 - - - 10000 - - - 6.661“NST” (non-standard) entries indicate where t

43、his standard does not recognize use of the media, but where equipment may be available to convert the native application signals to a form compatible with the non-native media. 2Specifications shown in this table are for TIA-568-B.1 recognized fiber types. Specifications for other non-recognized typ

44、es of fibers are included in these footnotes where applicable. 3850-nm laser-optimized 50/125 m multimode fiber supports the same maximum channel distances and insertion losses as 500/500 MHzkm 50/125 m multimode fiber for applications specified within TIA-568-B.1. 4For 62.5/125 m fiber, IEEE specif

45、ies 26 m (85 ft) for fiber with 160/500 MHzkm modal bandwidth and 33 m (108 ft) for fiber with 200/500 MHzkm modal bandwidth. 5For 50/125 m fiber, IEEE specifies 66 m (216 ft) for fiber with 400/400 MHzkm modal bandwidth and 82 m (269 ft) for fiber with 500/500 MHzkm modal bandwidth. 6Includes maxim

46、um channel insertion loss plus additional allowable insertion loss. 7For 62.5/125 m multimode fiber, IEEE specifies 2.6 dB for fiber with 160/500 MHzkm modal bandwidth and 2.5 dB for fiber with 200/500 MHzkm modal bandwidth. 8For 50/125 m multimode fiber, IEEE specifies 2.2 dB for fiber with 400/400

47、 MHzkm modal bandwidth and 2.3 dB for fiber with 500/500 MHzkm modal bandwidth. 9Channels are specified within TIA-568-B.1 up to 3 km (9840 ft). Distances provided within this table are the maximum distances specified within IEEE 802.3 and invoke cabling specifications that may differ from TIA-568-B

48、.3. 1010GBASE-E channels are specified to have a minimum of 5 dB and maximum of 11 dB channel insertion loss. 11For 50/125 m multimode fiber, IEEE specifies 240 m (787 ft) for fiber with 400/400 MHzkm modal bandwidth and 300 m (984 ft) for fiber with 500/500 MHzkm modal bandwidth. 12The maximum chan

49、nel attenuation is allowed to be up to 0.5 dB higher than the value shown when including loss from mode conditioning patch cords. I consent to CSA collecting and using the above information to facilitate the collection of my suggestions and comments. Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.Jaccepte que la CSA conserve et utilise les renseignements ci-dessus afin de faciliter la rceptionde mes suggestions et commentaires.Consultez la