1、 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 TIA-568-B.1-3 (Addendum No. 3 to TIA/EIA-568-B.
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8、From Standards Proposal No. 3-4425-AD3, formulated under the cognizance of the TIA TR-42.8 Subcommittee on Telecommunications Optical Fiber Cabling Systems.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2003 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A.
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24、4-7179, International (303) 397-7956 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B.1-3 Supportable Distances And Channel Attenuation For Optical Fiber Applications B
25、y Fiber Type, Addendum 3 To ANSI/TIA/EIA-568-B.1 Table 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 iCopyright Telecommunications Industry Association Provided by IHS u
26、nder license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B.1-3 iiCopyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B
27、.1-3 1 INTRODUCTION At the request of the TR-42.1 Subcommittee on Commercial Building Cabling, the supportable 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 C
28、abling Systems Subcommittee. The purpose of this addendum, as a result of their research, is to supplement table 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 ch
29、annel attenuation for optical fiber applications by fiber type. This addendum supplements the information contained 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. 1Copyright Teleco
30、mmunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B.1-3 23 TABLE ADDENDUM Table 1 Supportable distances and channel attenuation for optical fiber applications by fiber type Maximum Suppor
31、table 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 10G Ethernet10GBASE
32、-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 this standard does n
33、ot 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 types of fibers are in
34、cluded 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 specifies 26 m (85 ft) fo
35、r 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 maximum channel insertio
36、n 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 MHzkm modal bandwi
37、dth 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.3. 1010GBASE-E cha
38、nnels 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 channel attenuation is
39、allowed to be up to 0.5 dB higher than the value shown when including loss from mode conditioning patch cords. Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Telecomm
40、unications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
