ANSI/TIA/EIA-568-B.2-2001 Approved: April 23 ... - uoc.gr

1 TIA/EIA STANDARD Commercial Building Telecommunications Cabling Standard Part 2: Balanced Twisted-Pair Cabling Components (Revision of TIA/EIA-568-A) MAY 2001 TELECOMMUNICATIONS INDUSTRY ASSOCIATION The Telecommunications Industry Association represents the communications sector of ANSI/ Approved: April 23, 2001 NOTICE TIA/EIA Engineering Standards and Publications are designed to serve the public interest through 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 his particular need.

2 Existence of such Standards and Publications shall not in any respect preclude any member or nonmember of TIA/EIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than TIA/EIA members, whether the standard is to be used either domestically or internationally. Standards and Publications are adopted by TIA/EIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA/EIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements.

3 It is the 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 and , formulated under the cognizance of the TIA TR-42 Committee on User Premises Telecommunications Infrastructure.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2001 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 PRICE: Please refer to current Catalog of EIA electronic INDUSTRIES alliance STANDARDS and ENGINEERING PUBLICATIONS or call Global Engineering Documents, USA and Canada (1-800-854-7179) International (303-397-7956) All rights reserved Printed in PLEASE! DON'T VIOLATE THE LAW! This document is copyrighted by the TIA and may not be reproduced without permission.

4 Organizations may obtain permission to reproduce a limited number of copies through entering into a license agreement. For information, contact: Global Engineering Documents 15 Inverness Way East Englewood, CO 80112-5704 or call and Canada 1-800-854-7179, International (303) 397-7956 i COMMERCIAL BUILDING TELECOMMUNICATIONS CABLING STANDARD PART 2: BALANCED TWISTED-PAIR CABLING COMPONENTS TABLE OF CONTENTS 1 Specification of Metric equivalents of US customary Life of the 2 Normative 3 DEFINITIONS, ABBREVIATIONS AND ACRONYMS, UNITS OF Abbreviations and Units of 4 100 BALANCED TWISTED-PAIR Cable transmission Recognized Multi-disturber Measurements points and Horizontal Insulated Pair Color Cable Breaking Bending DC DC resistance Mutual Capacitance unbalance.

5 Characteristic impedance and structural return loss (SRL) for category 3 Return Insertion Near-end crosstalk (NEXT) Power sum near-end crosstalk (PSNEXT) Equal level far-end crosstalk (ELFEXT)..12 Power sum equal level far-end crosstalk (PSELFEXT)..13 Propagation delay for 4-pair horizontal Propagation delay skew for 4-pair horizontal Measurement Performance Bundled and hybrid Backbone ii Insulated Pair Color Core Core Core DC DC resistance Mutual Capacitance unbalance: Characteristic impedance and structural return loss for category 3 Return Insertion NEXT PSNEXT Propagation delay of category 5e backbone Propagation delay skew for category 5e backbone Dielectric Core shield Measurement Performance Stranded conductor Return Insertion Performance 5 100 BALANCED TWISTED-PAIR CONNECTING Environmental Mechanical termination Recognized Insertion Near-end crosstalk (NEXT) Return Far-end crosstalk (FEXT) Propagation Propagation delay DC Telecommunications Performance iii 6 CORDS AND CROSS-CONNECT Insulated Color Transmission Near-end crosstalk (NEXT)

6 Return Annex A Reliability testing of connecting hardware for 100 balanced twisted-pair cabling (normative)..36 Contact resistance Insulation Stress Thermal Humidity/temperature Other Annex B Test equipment overview (normative)..39 General test Balun Ground plane Network analyzer Impedance matching Balun Resistor Termination performance at test General calibration and reference plane of Calibration 100 reference load measurement 100 reference load return loss Annex C Testing of cable (normative)..43 Insertion loss of Test configuration for cable insertion Calibration for Two-port calibration of the test Measurement of cable insertion NEXT loss of Test configuration of cable NEXT Calibration of cable NEXT Measurement of cable NEXT ELFEXT of Test configuration of cable Calibration of cable FEXT Measurement of cable FEXT Return loss of Test configuration of cable return iv Calibration of cable return One-port calibration of the test Measurement of cable return Annex D Testing of connecting Hardware (normative).

7 47 Insertion loss of connecting Test configuration for connecting hardware insertion Measurement of connecting hardware insertion NEXT loss of connecting Test configuration for connecting hardware NEXT Calibration of connecting hardware NEXT Measurement of connecting hardware NEXT FEXT loss of connecting Test configuration of connecting hardware FEXT Calibration of connecting hardware FEXT Measurement of connecting hardware FEXT Return loss of connecting Test configuration of connecting hardware return Return loss reference Calibration of connecting hardware return Measurement of connecting hardware return Test plugs for connecting General test plug De-embedding reference NEXT plug Set up and De-embedding reference plug NEXT loss De-embedding reference NEXT jack De-embedding reference jack NEXT loss Test plug NEXT Modular test plug Modular test plug Test plug Test plug Test plug lead Annex E Testing of cabling (normative).

8 63 Insertion loss of Test configuration of cabling insertion Calibration of cabling insertion Measurement of cabling insertion NEXT loss of Test configuration of cabling NEXT Calibration of cabling NEXT Measurement of cabling NEXT ELFEXT of Test configuration of cabling Calibration of cabling FEXT Measurement of cabling FEXT Return loss of Test configuration of cabling return Calibration of cabling return Measurement of cabling return v Annex F Testing of patch cords (normative)..64 Insertion loss of patch NEXT loss of patch Test configuration for patch cord NEXT Calibration for patch cord NEXT Measurement for patch cord NEXT ELFEXT of patch Return loss of patch Test configuration for patch cord return Calibration for patch cord return Measurement for patch cord return Mechanical stress Test heads for patch Test head NEXT Test plugs for test head NEXT Test head NEXT loss differential NEXT loss differential and common mode NEXT loss Test head FEXT Test head return Test head Calculating test head contribution for NEXT loss limits from Test head re-qualification Annex G Multiport measurement considerations (informative).

9 73 Multiport test configuration, Two port measurement of multiport Common mode Measurement Ground plane Annex H Measurement accuracy (informative)..76 Test system measurement accuracy NEXT Return Measurement procedures for output signal balance and common mode Impact of test lead return loss on connecting hardware return loss Annex I Test instruments (normative)..80 Data reporting Parameters to be Pass/Fail Detailed Summary Field measurement Consistency checks for field Test equipment connectors and vi Field tester measurement accuracy Performance parameters for Level II-E field Procedures for determining field tester Output signal balance (OSB)..91 Common mode rejection (CMR)..91 Residual NEXT Dynamic Source/load return Random noise Residual FEXT Source Return loss of remote Constant error term of the length measurement Error constant proportional to length of the length measurement Constant error term of the propagation delay measurement Error constant of the proportional to propagation delay measurement function proportional to the propagation Constant error term of the delay skew measurement Measurement error Error model for the insertion loss measurement function of level II-E field Error model for the pair-to-pair NEXT loss measurement function of level II-E field Error model for the power sum NEXT loss measurement function of Level II-E field Error model for the pair-to-pair ELFEXT measurement function of

10 Level II-E field Error model for the power sum ELFEXT measurement function of level II-E field Error model for the return loss measurement function of level II-E field Error model for the propagation delay measurement function of level II-E field Error model for the delay skew measurement function of level II-E field Error model for the length measurement function of level II-E field Annex J Comparison measurement procedures (normative)..103 Test setup and apparatus required for comparison General Test Special patch Comparison Comparison method using worst case performance Comparison method using full NEXT loss Annex K 100 screened twisted-pair (ScTP) cabling (normative)..106 Purpose and General 100 ScTP horizontal Additional mechanical Core Core Bending vii Additional electrical Dielectric Surface transfer Measurement 100 ScTP backbone Additional 100 ScTP connecting Additional electrical Transmission performance Shield mating.