1、 ICEA STANDARD FOR COAXIAL AND COAXIAL/TWISTED PAIR COMPOSITE BURIED SERVICE WIRES TECHNICAL REQUIREMENTS Approved by AMERICAN NATIONAL STANDARDS INSTITUTE January 17, 2012 Publication # ANSI/ICEA S-91-674-2011 2011 by INSULATED CABLE ENGINEERS ASSOCIATION, Inc. ANSI/ICEA S-91-674-2011 ANSI/ICEA S-9
2、1-674-2011 ICEA STANDARD FOR COAXIAL AND COAXIAL/TWISTED PAIR COMPOSITE BURIED SERVICE WIRES TECHNICAL REQUIREMENTS Published By INSULATED CABLE ENGINEERS ASSOCIATION, INC. Post Office Box 1568 Carrollton, Georgia 30112, U.S.A. 2011 by ICEA Approved July 20, 2011 by Insulated Cable Engineers Associa
3、tion, Inc. Approved January 17, 2012 by American National Standards Institute, Inc.ANSI/ICEA S-91-674-2011 ii 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: GLOB
4、AL ENGINEERING DOCUMENTS 15 Inverness Way East Englewood, CO 80113-5776 USA Telephone: (800) 854-7179 ANSI/ICEA S-91-674-2011 iiiNOTICE AND DISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the docum
5、ent at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. The Insulated Cable Engineers Association, Inc. (ICEA) standards and guideline publications, of which the document contained h
6、erein is one, are developed through a voluntary consensus standards development process. This process brings together persons who have 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, i
7、t does not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgements contained in its standards and guideline publications. ICEA disclaims liability for personal injury, property, or other damages of any nature whatsoever, whether spec
8、ial, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance 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
9、 disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. ICEA does 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 mak
10、ing this document available, ICEA is not undertaking to render professional or other services for or on behalf of any person or entity, 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 judge
11、ment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. 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 additio
12、nal views or information not covered by this publication. ICEA has no power, nor does it undertake to police or enforce compliance with the contents of this document. ICEA does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certifications or othe
13、r statement of compliance with any health or safety-related information in this document shall not be attributable to ICEA and is solely the responsibility of the certifier or maker of the statement. ANSI/ICEA S-91-674-2011 iv (page intentionally left blank)ANSI/ICEA S-91-674-2011 vFOREWORD ICEA Sta
14、ndards are published in the public interest and are intended to promote uniformity and quality throughout the industry. Existence of an ICEA publication does not in any respect preclude the manufacture or use of products not conforming to this Standard. The user of this Standard is cautioned to obse
15、rve any applicable health or safety regulations and rules relative to the manufacture and use of cable made in conformity with this Standard. This Standard hereafter assumes that manufacture, testing, installation, and maintenance of cables defined by this Standard will be performed only by properly
16、 trained personnel using suitable equipment and employing appropriate safety precautions. Questions for interpretation of ICEA 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 sh
17、all be sent to: Secretary Insulated Cable Engineers Association, Inc. Post Office Box 1568 Carrollton, GA 30112, U.S.A. United States of America Alternatively, you can contact ICEA by utilizing the contact link in the ICEA web site: This Standard was approved by ICEA on July 20, 2011. The members o
18、f the ICEA Communications Cable Section, Working Group 674, who participated in this project, were: D. K. Baker G. Dorna R. Gould P. Fraley ANSI/ICEA S-91-674-2011 vi (page intentionally left blank)ANSI/ICEA S-91-674-2011 viiTABLE OF CONTENTS CONTENTS SECTION PAGE 1 GENERAL 1.1 Purpose 1 1.2 Scope .
19、 1 1.3 Options and Information 1 1.4 Units And Tolerances 2 1.5 References . 2 1.6 Quality Assurance . 2 1.7 Safety Considerations . 3 2 CONDUCTORS 2.1 Twisted Pair Conductors . 3 2.1.1 Requirements 3 2.1.2 Factory Joints 3 2.2 Conductors of Coaxial Unit . 3 2.2.1 Center Conductor of Coaxial Unit 3
20、2.2.1.1 Resistance Requirements . 3 2.2.1.2 Tensile and Elongation Requirements 4 2.2.1.3 Factory Joints . 4 2.2.2 Outer Conductor (Shield) of Coaxial Unit . 4 2.2.2.1 Shielding Tape 5 2.2.2.2 Braid . 5 2.2.2.3 Outer Shield 6 2.2.2.4 Outer Braid . 6 3 CONDUCTOR INSULATION 3.1 Conductor Insulation fo
21、r Twisted Pairs 6 3.1.1 Insulation Material . 6 3.1.2 Insulation Type 6 3.1.3 Insulation Dimensions and Colors . 6 3.1.4 Splices 7 3.1.5 Insulation Physical Requirements 7 3.1.5.1 Adhesion . 7 3.1.5.2 Elongation . 7 3.1.5.3 Compression 7 3.1.5.4 Cold bend . 7 3.1.5.5 Shrinkback 7 3.1.5.6 Thermal Oxi
22、dative Stability . 8 3.1.6 Spark Test . 8 3.1.7 Twist Length and Color Coding . 8 ANSI/ICEA S-91-674-2011 viii TABLE OF CONTENTS CONTENTS SECTION PAGE 3.2 Conductor Insulation for Center Conductor of Coaxial Unit . 9 3.2.1 Insulation Material . 9 3.2.2 Insulation Type 9 3.2.3 Insulation Dimension .
23、9 3.2.4 Insulation Physical Requirements 9 3.2.4.1 Adhesion . 9 3.2.4.2 Thermal Oxidative Stability OIT Test of Foam Dielectric 10 3.2.4.3 Shrinkback 10 4 CORE CONSTRUCTION 4.1 Coaxial Unit 10 4.1.1 Jacket Material 10 4.1.2 Jacket Thickness . 10 4.1.3 Jacket Eccentricity 10 4.1.4 Diameter Over Coax-
24、Jacket 11 4.1.5 Completed Wire Jacket Requirements 12 4.1.5.1 Tensile Strength 12 4.1.5.2 Elongation . 12 4.2 Composite Core Lay Up 12 4.3 Binders . 13 4.4 Core Wrap 13 4.5 Rip Cord(s) . 13 4.6 Filling Compound 14 4.6.1 Filling Compound Type . 14 4.6.2 Adequacy of Fill . 14 4.7 Flooding Compound . 1
25、4 4.8 Water Swellable Materials 14 5 SHIELDS 5.1 General . 14 5.2 Shielding System 15 5.2.1 Gopher Shields . 15 5.2.2 Non-Gopher Shields 15 5.3 Shield Materials 15 5.3.1 5- or 6-Mil Copper Clad Stainless Steel Tape 15 5.3.2 5- or 6-Mil Copper Clad Alloy Steel Tape 15 5.3.3 5-mil C230 Copper Alloy .
26、16 5.3.4 6-Mil C195 Copper Alloy Tape 16 5.3.5 5.5-Mil C664 Copper Alloy Tape 16 5.3.6 7-Mil C194 Copper Alloy Tape 16 5.3.7 4- or 5-Mil C220 Copper Alloy Tape 16 ANSI/ICEA S-91-674-2011 ixTABLE OF CONTENTS CONTENTS SECTION PAGE 5.3.8 8-Mil Coated Aluminum Tape 16 5.4 Shield Application . 16 5.5 Shi
27、eld Corrugation 16 5.6 Shield Overlap 17 5.7 Shield Splices . 17 5.8 Unshielded Constructions . 17 6 INNER AND OUTER JACKET, ARMORING SYSTEMS 6.1 Inner Jacket 17 6.1.1 Materials and Test Requirements 17 6.1.2 Inner Jacket Thickness Requirements . 17 6.2 Outer Jacket . 18 6.2.1 Raw Material . 18 6.2.
28、2 Outer Jacket Thickness Requirement 18 6.2.3 Completed Wire Material Requirement 19 6.2.4 Shrinkback 20 6.3 Armoring Systems 20 6.3.1 6-Mil Bare Steel Tape 20 6.3.2 6-Mil Coated Steel Tape 21 6.3.3 Galvanized Steel Strip . 21 6.3.4 4- or 5-Mil 302 or 304 Stainless Steel Tape . 21 6.4 Armor Applicat
29、ion . 21 6.5 Armor Corrugation 21 6.6 Armor Overlap 22 6.7 Armor Splices . 22 7 ELECTRICAL REQUIREMENTS General 22 7.1 Electrical Requirements of Twisted Pairs 22 7.1.1 Continuity 22 7.1.2 Conductor Resistance . 22 7.1.3 Resistance Unbalance 22 7.1.4 Mutual Capacitance. 22 7.1.5 Pair-To-Pair Capacit
30、ance Unbalance 22 7.1.6 Pair-To-Ground Capacitance Unbalance . 22 7.1.7 Attenuation 23 7.1.8 Crosstalk . 23 7.1.9 Insulation Resistance 23 7.1.10 Conductor-To-Conductor DC Proof Test . 23 7.1.11 Core-To-Shield DC Proof Test 23 7.1.12 Shield Resistance . 23 7.1.13 Shield Heating Test . 24 7.1.14 Fusi
31、ng Coordination . 24 ANSI/ICEA S-91-674-2011 x TABLE OF CONTENTS CONTENTS SECTION PAGE 7.2 Electrical Requirements Of Coaxial Unit . 24 7.2.1 Continuity 24 7.2.2 Conductor Resistance . 24 7.2.3 Insulation Resistance 24 7.2.4 Dielectric Strength . 24 7.2.5 Characteristic Impedance 25 7.2.6 Structural
32、 Return Loss . 25 7.2.7 Shielding Effectiveness . 25 7.2.8 Attenuation 25 7.2.9 Velocity of Propagation . 26 7.2.10 Heat Aging Test 26 7.3 Unshielded Buried Service Wire . 27 8 REQUIREMENTS OF COMPLETED WIRE 8.1 Compound Flow 27 8.2 Water Penetration (Fully Flooded Design) 27 8.3 Water Resistance Te
33、st (Non-Fully Flooded Design) . 27 8.4 Mechanical Requirements 27 8.4.1 Impact Test . 28 8.4.2 Wire Bending Test . 28 8.4.2.1 Cold Bend Test . 28 8.4.2.2 Hot Bend Test . 28 8.4.3 Breaking Force 28 8.4.4 Sheath Adherence - Unbonded . 28 8.4.5 Toughness (Inner Jacket, Core Wrap) . 28 8.4.5.1 Puncture
34、Test . 29 8.4.5.2 Cut-Through Test 29 8.5 Environmental Requirements 29 8.5.1 Cold Temperature Handling 29 8.5.2 Separation Along The Web . 29 8.5.2.1 Room Temperature Separation . 29 8.5.2.2 Low Temperature Separation 29 8.6 Flammability . 30 8.7 National Electric Code 30 9 MARKING AND PACKAGING 9.
35、1 Identification and Marking . 30 9.1.1 Manufacturer Identification 30 9.1.2 Year of Manufacture 30 9.1.3 Alternate Identification . 31 9.1.4 Jacket Marking 31 ANSI/ICEA S-91-674-2011 xiTABLE OF CONTENTS CONTENTS SECTION PAGE 9.1.5 Length Marking . 31 9.1.6 Jacket Ink Marking Durability . 32 9.1.7 C
36、ommunications Identifier . 32 9.2 End-Sealing 32 9.3 Thermal Wrap . 32 9.4 Packaging . 33 TABLES Table 2-1: Conductivity and DC Resistance of Center Conductor Coaxial Unit . 4 Table 2-2: Elongation and Tensile Strength of Center Conductor Coaxial Unit . 4 Table 2-3: Diameter of Outer Conductor Coaxi
37、al Unit . 5 Table 3-1: Conductor Insulation Color Twisted Pairs 7 Table 3-2: Twisted Pair Color Code . 8 Table 3-3: Diameter and Eccentricity of Center Conductor Insulation Coaxial Unit 9 Table 3-4: Center Conductor Insulation Adhesion Coaxial Unit 9 Table 4-1: Diameter Over Jacket Coaxial Unit 12 T
38、able 5-1: Copper Clad Stainless Steel Tape Thickness . 15 Table 5-2: C220 Copper Alloy Tape Thickness . 16 Table 6-1: Outer Jacket Thickness Completed Wire . 19 Table 6-2: Completed Wire Material Requirements . 19 Table 6-3: Steel Tape Composition . 20 Table 6-4: 304 and 305 Stainless Steel Tape Thi
39、ckness . 21 Table 7-1: Attenuation Requirements Twisted Pairs . 23 Table 7-2: Conductor-To-Conductor DC Proof Test . 23 Table 7-3: Loop Resistance Coaxial Unit 24 Table 7-4: Attenuation Requirements Coaxial Unit . 26 Table 9-1: Year Of Manufacture Marker Threads 31 Table I: Specifications Referenced
40、 in this Standard 34 Table E-1: Test Current and Current Duration Fusing Coordination Test 47 FIGURES Figure 4-1: Jacket Thickness Measurement Method Standard and Quad Shielded Coaxial Wires 11 Figure 4-2: Joint Core and Figure 8 Design 13 Figure 1: Sheath Adherence Sample Preparation . 38 Figure 2:
41、 Puncture Test Configuration 39 Figure 3: Cut-Through Test Configuration . 40 Figure A-1: Wicking Test Configuration 42 Figure E-1: Fusing Coordination Test Configuration . 48 Figure F-1: Pressure Cell For Water Resistance Test 50 ANSI/ICEA S-91-674-2011 xii TABLE OF CONTENTS APPENDICES Appendix A T
42、est Procedure For Wicking . 41 Appendix B Jacket Rip Cord Test . 43 Appendix C Metallic Tape Splice Breaking Strength, Percent Retention . 44 Appendix D Absorption Coefficient Test For PVC . 45 Appendix E Fusing Coordination Test . 47 Appendix F Water Resistance Test . 49 INFORMATIVE ANNEXES INFORMA
43、TIVE Annex A Product Guide. A-1 INFORMATIVE Annex B ICEA Telecommunications Cable Standards B-1 ANSI/ICEA S-91-674-2011 xiii ACRONYMS, ABBREVIATIONS AND SYMBOLS A ampere ac alternating current AISI American Iron and Steel Institute ANSI American National Standards Institute ASTM American Society for
44、 Testing and Materials AWG American Wire Gauge C degrees of temperature, Celsius scale CAS Chemical Abstract Services cc cubic centimeter Cg capacitance-to-ground cm centimeter Cu chemical symbol for copper dB decibels dc direct current ECCS electrolytic chrome coated steel EIA Electronics Industry
45、Alliance F degrees of temperature, Fahrenheit scale ft foot or feet ft2 square foot or feet g gram Hz Hertz IACS International Annealed Copper Standard ICEA Insulated Cable Engineers Association in inch in2 square inch ISDN intergrated services digital network ISO International Organization for Stan
46、dardization kft kilofoot or kilofeet kg kilogram kHz kilohertz km kilometer kPa kilopascal kV kilovolt LAN local area network lb pound lbf pound of force m meter m2 square meter Mb megabit mg milligram MHz megahertz min. minute ml milliliter mm millimeter ANSI/ICEA S-91-674-2011 xiv ACRONYMS, ABBREV
47、IATIONS AND SYMBOLS (continued) mm2 square millimeter MPa megapascal N Newton NEC National Electrical Code NESC National Electrical Safety Code nF nanofarad NID network interface device NIU network interface unit oz ounce % percent pF picofarad POTS plain old telephone service psi pounds per square
48、inch PVC polyvinyl chloride RF radio frequency rms root-mean-square SCTE Society of Cable Telecommunication Engineers sec second T1 North American digital hierarchy line code equivalent to 1.544 Mb/sec UL Underwriters Laboratories WAN wide area network o degrees symbol, temperature or angleANSI/ICEA
49、 S-91-674-2011 1 COAXIAL AND COAXIAL/TWISTED PAIR COMPOSITE BURIED SERVICE WIRES TECHNICAL REQUIREMENTS Section 1 GENERAL 1.1 PURPOSE: The purpose of this Standard is to establish generic technical requirements that may be referenced by individual telecommunications wire specifications covering products intended for buried outside plant use. The parameters covered provide material, construction, and performance requirements. Because this Standard does not cover all details of individual wire designs, it cannot be used
