ANSI ICEA S-90-661-2012 CATEGORY 3 5 & 5e INDIVIDUALLY UNSHIELDED TWISTED PAIR INDOOR CABLES (WITH OR WITHOUT AN OVERALL SHIELD) FOR USE IN GENERAL PURPOSE AND LAN COMMUNICATION WI.pdf

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1、 ICEA STANDARD FORCATEGORY 3, 5, & 5e INDIVIDUALLY UNSHIELDED TWISTED PAIR INDOOR CABLES (WITH OR WITHOUT AN OVERALL SHIELD) FOR USE IN GENERAL PURPOSE AND LAN COMMUNICATION WIRING SYSTEMS TECHNICAL REQUIREMENTSApproved by AMERICAN NATIONAL STANDARDS INSTITUTE June 22, 2012 Publication # ANSI/ICEA S

2、-90-661-2012 2012 by INSULATED CABLE ENGINEERS ASSOCIATION, Inc.ANSI/ICEA S-90-661-2012 ANSI/ICEA S-90-661-2012 STANDARD FOR CATEGORY 3, 5, & 5e INDIVIDUALLY UNSHIELDED TWISTED PAIR INDOOR CABLES (WITH OR WITHOUT AN OVERALL SHIELD) FOR USE IN GENERAL PURPOSE AND LAN COMMUNICATION WIRING SYSTEMS TECH

3、NICAL REQUIREMENTS Published By INSULATED CABLE ENGINEERS ASSOCIATION, INC. Post Office Box 1568 Carrollton, GA 30112, USA. 2012 by ICEA Approved: March 16, 2012 by Insulated Cable Engineers Association, Inc. Approved: June 22, 2012 by American National Standards Institute ANSI/ICEA S-90-661-2012 ii

4、 Copyrighted by the ICEA Contents may not be reproduced in any form without permission of the INSULATED CABLE ENGINEERS ASSOCIATION, INC. Copies of this publication may be obtained from: IHS 15 Inverness Way East Englewood, CO 80113-5776 USA Telephone: (800) 854-7179 ANSI/ICEA S-90-661-2012 iii NOTI

5、CE AND DISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participat

6、ing in the development of this document. The Insulated Cable Engineers Association, Inc. (ICEA) standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together persons who hav

7、e an interest in the topic covered by this publication. While ICEA administers the process and establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgements

8、 contained in its standards and guideline publications. ICEA disclaims liability for personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or relianc

9、e on this document. ICEA disclaims and makes no guaranty or warranty, expressed or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. ICEA do

10、es not undertake to guarantee the performance of any individual manufacturer or sellers products or services by virtue of this standard or guide. In publishing and making this document available, ICEA is not undertaking to render professional or other services for or on behalf of any person or entit

11、y, nor is ICEA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgement or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circ

12、umstances. Information and other standards on the topic covered by this publication may be available from other sources, which the user may wish to consult for additional views or information not covered by this publication. ICEA has no power, nor does it undertake to police or enforce compliance wi

13、th the contents of this document. ICEA does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safety-related information in this document shall not be attributable to ICEA and is sole

14、ly the responsibility of the certifier or maker of the statement. ANSI/ICEA S-90-661-2012 iv (page intentionally left blank)ANSI/ICEA S-90-661-2012 v FOREWORD ICEA Standards are published in the public interest and are intended to promote product uniformity and quality throughout the industry. Exist

15、ence of an ICEA publication does not in any respect preclude the manufacture or use of products not conforming to the Standard. The user of this Standard is cautioned to observe any applicable health or safety regulations and rules relative to the manufacture and use of cable made in conformity with

16、 this Standard. This Standard hereafter assumes that manufacture, testing, installation, and maintenance of cables defined by this Standard will be performed only by properly trained personnel using suitable equipment and employing appropriate safety precautions. Questions of interpretation of ICEA

17、Standards can only be accepted in writing, and the reply shall be provided in writing. Suggestions for improvements in this Standard are welcome. Questions and suggestions shall be sent to: Secretary Insulated Cable Engineers Association, Inc. Post Office Box 1568 Carrollton, GA 30117, U.S.A United

18、States of America This Standard was developed by the ICEA Communications Division, Copper Cable Section, whose membership consisted of technical experts from the manufacturing segment of the industry. It was approved by ICEA on March 16, 2012. The members of the ICEA Communications Division, Copper

19、Cable Section, who participated in this project, were: R. Gould D. Baker P. Fraley G. Dorna ANSI/ICEA S-90-661-2012 vi TABLE OF CONTENTS CONTENTS: SECTION PAGEACRONYMS, ABBREVIATIONS AND SYMBOLS . x 1. GENERAL 1.1 Purpose . 1 1.2 Scope 1 1.3 Definition Of Cable Types 2 1.4 Options and Information 2

20、1.5 Units and Tolerances . 3 1.6 References 3 1.7 Quality Assurance 3 1.8 Safety Considerations 3 1.9 Installation Precautions . 3 2. CONDUCTORS 2.1 Solid Conductors for Horizontal Cables, Backbone Cables . 4 2.1.1 Solid Conductors . 4 2.1.2 Tin Coated Conductors . 4 2.1.3 Conductor Size 4 2.1.4 Con

21、ductor Elongation 4 2.1.5 Factory Joints 4 2.2 Stranded Conductors for Patch Cordage . 4 2.2.1 Individual Strands 4 2.2.2 Metallically Bonded Conductors 4 2.2.3 Stranded Conductor Size 4 2.2.3.1 UTP 4 2.2.3.2 FTP . 5 2.2.4 Factory Joints 5 3. CONDUCTOR INSULATION 3.1 Insulation Material 5 3.1.1 Heav

22、y Metal Free Insulation 5 3.1.2 Low halogen Insulation 5 3.2 Insulation Dimensions, Colors, and Splices . 5 3.2.1 Dimensions for Horizontal and Backbone Cables. . 5 3.2.2 Dimensions for Patch Cordage 5 3.2.3 Colors 6 3.2.4 Color Systems 6 3.2.5 Splices . 6 ANSI/ICEA S-90-661-2012 viiTABLE OF CONTENT

23、S CONTENTS: SECTION PAGE 3.3 Insulation Physical Requirements 6 3.3.1 Adhesion of Solid Conductors 6 3.3.2 Elongation 6 3.3.3 Compression of Solid Conductors 7 3.3.4 Cold Bend 7 3.3.5 Shrinkback . 7 3.3.6 Heat Exposure (Aging) . 7 3.3.7 Aged Flexibility . 7 3.3.8 Heavy Metal Content 7 3.3.8 Halogen

24、Content 8 3.4 Twist Length and Color Coding . 8 3.4.1 Pairs . 8 3.4.2 Horizontal and Backbone Cables . 8 3.4.3 Patch Cordage . 8 3.4.4 Tight Twist Pairs. 8 4. CORE CONSTRUCTION 4.1 Core Layup 104.2 Binders 10 4.3 Core Wrap . 104.4 Ripcord 10 5. SHIELDS 5.1 Shielding System . 11 5.2 Shielding Materia

25、ls 11 5.2.1 Aluminum Tape . 11 5.2.2 Copper Tape . 11 5.2.3 Laminated Tape 11 5.2.4 Copper Braid . 11 5.2.5 Laminated Tape/Braid. 11 5.3 Metal Tape Shield Application . 11 5.4 Metal Tape Shield Splices . 11 6. JACKET 6.1 Jacket Material. 11 6.1.1 Heavy Metal Free Jacket . 12 6.1.2 Low Halogen Jacket

26、 . 12 6.2 Jacket Thickness . 12 6.3 Completed Cable Jacket Requirements 12 6.3.1 Tensile Strength . 12 ANSI/ICEA S-90-661-2012 viiiTABLE OF CONTENTS CONTENTS: SECTION PAGE 6.3.2 Elongation 12 6.3.3 Heat exposure (Aging) . 12 6.4 Jacket Color . 13 7. TRANSMISSION AND ELECTRICAL REQUIREMENTS 7.1 Trans

27、mission Classifications . 13 7.2 Measurement Precaution. 13 7.2.1 General 13 7.2.2 NEXT, ELFEXT and Delay Skew . 13 7.3 DC Resistance . 14 7.4 DC Resistance Unbalance . 14 7.5 Mutual Capacitance . 14 7.6 Pair-To-Ground Capacitance Unbalance . 14 7.7 Attenuation (g302) . 14 7.7.1 Solid Conductors . 1

28、4 7.7.2 Elevated Temperature Test 15 7.7.3 Stranded Conductors 16 7.8 Near-End Crosstalk (NEXT) 16 7.8.1 Power Sum NEXT (PSNEXT) . 17 7.9 Far-End Crosstalk (FEXT) . 18 7.9.1 Attenuation Crosstalk Ratio Far-End . 18 7.9.2 Power Sum Attenuation Crosstalk Ratio Far-End . 19 7.10 Characteristic Impedanc

29、e (Z0) . 19 7.11 Return Loss (RL) . 20 7.12 Structural Return Loss (SRL) . 20 7.13 Phase Delay (g306) 21 7.14 Phase Delay Skew . 21 7.14.1 Phase Delay Skew 21 7.14.2 Environmental Effects . 21 7.15 Insulation Resistance. 22 7.16 Conductor-To-Conductor DC Proof Test . 22 7.17 Core-To-Shield DC Proof

30、Test . 22 7.18 AC Leakage Test . 22 7.19 Continuity of Metallic Cable Elements . 22 7.20 Transfer Impedance 22 8. MECHANICAL REQUIREMENTS 8.1 Cable Cold Wrap Test . 22 8.2 Wire and Cable Bending Test 23 8.3 Flex Test 23 ANSI/ICEA S-90-661-2012 ixTABLE OF CONTENTS CONTENTS: SECTION PAGE 8.4 Sheath Ad

31、herence . 23 8.5 Cable Pulling Tension 23 8.6 Cable Flammability 24 8.7 Limited Smoke . 24 8.8 National Electrical Code 24 9. GENERAL REQUIREMENTS 9.1 Identification and Marking 25 9.1.1 Method of Identification . 25 9.1.2 Length Marking . 25 9.2 Jacket Ink Marking Durability . 26 9.3 Packaging 26 T

32、ABLES Table I: Specifications Referenced in this Standard . 27FIGURES Figure 1: Cable Flex Test Configuration and Apparatus . 29 Figure 2: Sheath Adherence Sample Preparation 30 Figure A-1: Wicking Test Configuration . 32 APPENDICES Appendix A: Test Procedures for Wicking and Hygroscopicity . 31 App

33、endix B: Test Procedure for Cable Ripcord Performance 33 Appendix C: Test Procedure for Metallic Tape Splice Breaking Strength, Percent Retention . 34 Appendix D: Test Procedure for Durability of Ink Marking 35 ANNEXES Annex A: Product Guide . A-1 Annex B: ICEA Standards . B-1 ANSI/ICEA S-90-661-201

34、2 xACRONYMS, ABBREVIATIONS AND SYMBOLS ACR attenuation-to-crosstalk ratio ANSI American National Standards Institute ASTM American Society for Testing and Materials ASQC American Society for Quality Control AWG American Wire Gauge CM UL Listing designation for General Purpose Communication Cable CMG

35、 UL Listing designation for General Purpose Communication Cable CMR UL Listing designation for Riser Communication Cable CMP UL Listing designation for Plenum Communication Cable CMX UL Listing designation for Communication Cable, Limited Use DOD diameter over the dielectric, overall diameter of the

36、 insulated conductor ELFEXT equal level far-end crosstalk FEXT far-end crosstalk FTP overall shielded twisted pairs F constant representing a specific frequency ICEA Insulated Cable Engineers Association IO FEXT input/output far-end crosstalk LAN local area network LS limited smoke NEC National Elec

37、trical Code NEXT near-end crosstalk NFPA National Fire Protection Association P-P ACR pair-to-pair attenuation-to-crosstalk ratio P-P ELFEXT pair-to-pair equal level far-end crosstalk P-P NEXT pair-to-pair near-end crosstalk PS ACR power sum attenuation-to-crosstalk ratio PS ELFEXT power sum equal l

38、evel far-end crosstalk PS NEXT power sum near-end crosstalk RL return loss SI International System of Units SRL structural return loss UL Underwriters Laboratories UTP unshielded twisted pairs attenuation ANSI/ICEA S-90-661-2012 1CATEGORY 3, 5, & 5e INDIVIDUALLY UNSHIELDED TWISTED PAIR INDOOR CABLES

39、 (WITH OR WITHOUT AN OVERALL SHIELD) FOR USE IN GENERAL PURPOSE AND LAN COMMUNICATION WIRING SYSTEMS TECHNICAL REQUIREMENTS SECTION 1 GENERAL 1.1 PURPOSE: This Standard establishes generic technical requirements that may be referenced by individual telecommunications cable specifications covering pr

40、oducts intended for normal indoor premises use in the wiring systems of communications users. The parameters covered provide material, construction, and performance requirements. Because this Standard does not cover all details of individual cable design, it cannot be used as a single document for p

41、rocurement of product. This Standard is intended for use in conjunction with an individual product specification that provides complete design details for the specific cable type and designates the applicable performance requirements. Such individual cable specifications may be prepared either by th

42、e user or the manufacturer. The specification designated for procurement is at the option of the user. 1.2 SCOPE: This Standard covers mechanical, electrical and flammability requirements for thermoplastic insulated and jacketed, copper conductor, individually unshielded twisted pair indoor cables,

43、with or without an overall shield, intended primarily for use as horizontal cables, backbone cables, or patch cordage. Depending upon the application and system requirements, this Standard provides choices for materials, transmission characteristics and flammability ratings. This Standard covers the

44、 minimum transmission performance requirements for the following three Categories of cable based on existing system requirements and projected application needs. Multi-pair cables, conforming to the generic designation, ARxM, are not covered by this specification. See instead, ICEA S-103-701. Catego

45、ry 3: Intended for voice, text, data, video and image transmission with transmission characteristics specified for frequencies up to 16 MHz. Category 5: Intended for voice, text, data, video and image transmission: i: Category 5: transmission characteristics specified for frequencies up to 100 MHz.

46、ii: Category 5e: enhanced transmission characteristics specified for frequencies up to 100 MHz. ANSI/ICEA S-90-661-2012 21.3 DEFINITION OF CABLE TYPES: Horizontal cables are normally used in that portion of the telecommunications cabling system between the telecommunications room and the work area t

47、elecommunications outlet. Backbone cables are normally used in that portion of the telecommunications cabling system between telecommunications closets, equipment rooms, and entrance facilities within a building. Patch cordage is a length of cable used in the manufacture of patch cords where it is c

48、ombined with connectors on one or both ends to join telecommunication circuits/links at the cross-connect and to connect work stations to the wall outlet. The conductors are typically stranded. 1.4 OPTIONS AND INFORMATION: For those characteristics where no differentiation is made, the performance r

49、equirements are applicable to all cable categories. Selection of the applicable category shall be at the discretion of the user and shall be designated in the product specification. This Standard is arranged in Sections covering specific areas of cable requirements and may be referenced as complete Sections or as individual paragraphs. Paragraphs of this Standard where the user may specify a particular option are listed below: 2.1, 2.2 Conductors 3.1.1, 3.1.2 Insulation Material 3.4.3 Color Code for Patc

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