TIA-568 SET-2015 Commercial Building Telecommunications Cabling Standard Part 1 General Requirements Part 2 Balanced Twisted-Pair Cabling Components and Part 3 Optical Fiber Cablin.pdf

1、TIA-568-C.0 February 2009 Generic Telecommunications Cabling for Customer PremisesANSI/TIA-568-C.0-2009 APPROVED: FEBRUARY 2, 2009 NOTICETIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, fa

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22、HESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. ANSI/TIA-568-C.0Generic Telecommunications Cabling for Customer Premises Table of Contents FOREWORD . v1 SCOPE 12 NORMATIVE REFERENCES 13 DEFINITION OF TERMS, ACRONYMS AND ABBREVIATIONS, AND UNITS OF MEASURE. 23.1 General . 23.2 D

23、efinitions . 23.3 Acronyms and abbreviations 53.4 Units of measure 64 TELECOMMUNICATIONS CABLING SYSTEM STRUCTURE 84.1 General . 84.2 Topology . 94.2.1 General 94.2.2 Accommodation of non-star configurations . 94.3 Equipment outlets . 94.4 Distributors . 94.5 Cabling Subsystem 1 104.6 Cabling Subsys

24、tem 2 and Cabling Subsystem 3 . 104.7 Recognized cabling 104.8 Cabling lengths . 114.8.1 General 114.8.2 Demarcation point 114.9 Grounding and bonding considerations 115 CABLING INSTALLATION REQUIREMENTS 125.1 General . 125.2 Environmental compatibility 125.3 Balanced twisted-pair cabling . 125.3.1

25、Maximum pulling tension . 125.3.2 Minimum bend radius. 125.3.2.1 Cable . 125.3.2.2 Cord cable . 125.3.3 Cable termination . 125.3.3.1 General 125.3.3.2 Eight-position modular jack pin-pair assignments . 135.3.4 Cords and jumpers . 145.3.5 Grounding and bonding requirements for screened cabling 145.3

26、.6 Separation of power and telecommunications cables . 145.3.7 Electrostatic discharge . 145.4 Optical fiber cabling 155.4.1 Minimum bend radius and maximum pulling tension . 155.4.2 Cord cable 155.4.3 Polarity . 156 CABLING TRANSMISSION PERFORMANCE AND TEST REQUIREMENTS 166.1 General . 166.2 Field-

27、test instrument calibration . 166.3 Balanced twisted-pair transmission performance and test requirements 166.4 Optical fiber transmission performance and test requirements 166.4.1 General 166.4.2 Field-test instruments. 16i ANSI/TIA-568-C.06.4.2.1 Multimode 166.4.2.2 Single-mode 176.4.3 Link segment

28、 performance measurements . 176.4.3.1 General 176.4.3.2 Cabling Subsystem 1 link segment . 176.4.3.3 Cabling Subsystem 2 and Cabling Subsystem 3 link segment . 176.4.3.4 Link attenuation allowance calculation 17ANNEX A (NORMATIVE) CENTRALIZED OPTICAL FIBER CABLING 18A.1 General . 18A.2 Implementatio

29、n . 18ANNEX B (NORMATIVE) MAINTAINING OPTICAL FIBER POLARITY 19B.1 General . 19B.2 Component descriptions . 19B.3 Duplex polarity systems 19B.3.1 General 19B.3.2 Consecutive-fiber positioning . 20B.3.3 Reverse-pair positioning 22B.4 Array polarity systems 23B.4.1 General 23B.4.2 Connectivity Method

30、A . 25B.4.2.1 Connectivity Method A for duplex signals . 25B.4.2.2 Connectivity Method A for parallel signals 26B.4.3 Connectivity Method B . 27B.4.3.1 General 27B.4.3.2 Connectivity Method B for duplex signals . 27B.4.3.3 Connectivity Method B for parallel signals 28B.4.4 Connectivity Method C for

31、duplex signals 29ANNEX C (INFORMATIVE) MULTI-TENANT CABLING SUBSYSTEM 2 AND CABLING SUBSYSTEM 330C.1 General . 30C.2 Existing Cabling Subsystem 2, Cabling Subsystem 3, or both cabling 30C.3 New Cabling Subsystem 2, Cabling Subsystem 3, or both cabling . 30ANNEX D (INFORMATIVE) APPLICATION SUPPORT IN

32、FORMATION 31D.1 General . 31D.2 Balanced twisted-pair cabling supportable distances 31D.3 Optical fiber cabling supportable distances 32ANNEX E (INFORMATIVE) GUIDELINES FOR FIELD-TESTING LENGTH, LOSS AND POLARITY OF OPTICAL FIBER CABLING 34E.1 General . 34E.2 Test criteria . 34E.2.1 General 34E.2.2

33、Tier 1 34E.2.3 Tier 2 (Optional) . 35E.3 Test instruments . 35E.3.1 General 35E.3.2 Optical loss test set 35E.3.3 Visible light source . 35E.3.4 Optical time domain reflectometer . 36E.4 Precautions to measurement testing 36E.5 Test measurement methods . 37E.5.1 Optical link attenuation. 37ii ANSI/T

34、IA-568-C.0E.5.1.1 General 37E.5.1.2 Verifying test jumper quality 37E.5.1.3 Multimode 38E.5.1.3.1 General 38E.5.1.3.2 Setting the reference 39E.5.1.3.3 Measuring link attenuation . 39E.5.1.4 Single-mode 40E.5.1.4.1 General 40E.5.1.4.2 Setting the reference 40E.5.1.4.3 Measuring link attenuation . 41

35、E.5.1.5 Calculating link attenuation . 41E.5.2 Length 41E.5.3 Polarity . 41E.5.4 OTDR trace 42E.6 Documentation . 43E.7 Mandrel wrap usage for multimode fiber testing with an OLTS LED source . 43E.8 Interpreting length, attenuation rate, and insertion loss from an OTDR trace 45E.8.1 Length 45E.8.2 A

36、ttenuation rate 46E.8.3 Insertion loss 47ANNEX F (INFORMATIVE) ENVIRONMENTAL CLASSIFICATIONS . 48ANNEX G (INFORMATIVE) BIBLIOGRAPHY 51List of Tables Table 1 Maximum pair un-twist for category cable termination . 13Table 2 Maximum tensile load and minimum bend radius. 15Table 3 Acceptable mandrel dia

37、meters for common multimode cable types (five wraps) 16Table 4 Summary of components used for duplex signals 24Table 5 Summary of components used for parallel signals . 24Table 6 Maximum supportable distances for balanced twisted-pair cabling applications . 31Table 7 Maximum supportable distances an

38、d attenuation for optical fiber applications by fiber type . 32Table 8 M, I, C, E environmental conditions 48List of Figures Figure 1 Illustrative relationship between the TIA-568-C Series and other relevant TIA standards . viFigure 2 Functional elements that comprise a generic cabling system . 8Fig

39、ure 3 Illustration of interconnection and cross-connection 10Figure 4 Front view of eight position jack pin/pair assignments (T568A) 13Figure 5 Front view of optional eight-position jack pin/pair assignment (T568B) 14Figure 6 Illustration of centralized optical fiber cabling 18Figure 7 A-to-B duplex

40、 optical fiber patch cord 19Figure 8 Consecutive-fiber positioning shown with horizontally mounted hardware . 20Figure 9 Consecutive-fiber positioning cabling system example shown with horizontally mounted hardware 21Figure 10 Reverse-pair positioning shown with horizontally mounted hardware. 22Figu

41、re 11 Reverse-pair positioning cabling system example shown with horizontally mounted hardware. 23Figure 12 Connectivity Method A for duplex signals 25Figure 13 Connectivity Method A for parallel signals . 26Figure 14 Connectivity Method B for duplex signals 27Figure 15 Connectivity Method B for par

42、allel signals . 28Figure 16 Connectivity Method C for duplex signals . 29iii ANSI/TIA-568-C.0Figure 17 Example of OLTS reference measurement (P1) with one test jumper (multimode) 38Figure 18 Example of a measurement (P2) when verifying OLTS test jumpers (multimode) 38Figure 19 Example of OLTS refere

43、nce measurement (P1) with one test jumper (multimode) 39Figure 20 Example of a multimode link attenuation measurement (P2). 39Figure 21 Example of OLTS reference measurement (P1) one test jumper (single-mode) . 40Figure 22 Example link attenuation measurement of single-mode cabling using an OLTS 41F

44、igure 23 OTDR setup illustration of fiber link testing . 42Figure 24 Effect of mandrel wrap . 44Figure 25 Example OTDR trace illustrating length 45Figure 26 Example OTDR trace illustrating attenuation rate . 46Figure 27 Example OTDR trace illustrating insertion loss measurement 47iv ANSI/TIA-568-C.0

45、FOREWORD (This foreword is not considered part of this Standard.) This Standard was developed by TIA Subcommittee TR-42.1. Approval of this Standard This Standard was approved by TIA Subcommittee TR-42.1, TIA Engineering Committee TR-42, and the American National Standards Institute (ANSI). ANSI/TIA

46、 reviews standards every 5 years. At that time, standards are reaffirmed, withdrawn, or revised according to the submitted updates. Updates to be included in the next revision should be sent to the committee chair or to ANSI/TIA. Contributing organizationsMore than 60 organizations within the teleco

47、mmunications industry contributed their expertise to the development of this Standard (including manufacturers, consultants, end users, and other organizations). Documents superseded This Standard, in part, replaces ANSI/TIA/EIA-568-B.1 dated April 12, 2001 and its addenda. This Standard incorporates and refines the technical content of: x ANSI/TIA/EIA-568-B.1-1, Addendum 1 Minimum 4-Pair UTP and 4-Pair ScTP Patch Cable Bend Radiusx ANSI/TIA/EIA-568-B.1-2, Addendum 2 Grounding and Bonding Specifications for Screened Balanced Twisted-Pair Horizontal Cablingx ANSI/TIA/EIA-568-