1、 TIA-492AAAA-B November 2009 Detail Specification for 62.5-m Core Diameter/125-m Cladding Diameter Class Ia Graded-Index Multimode Optical Fibers ANSI/TIA-492AAAA-B-2008 APPROVED: MARCH 28, 2008 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through elimi
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6、 use. (From Standards Proposal No. 3-3006-RV2-B, formulated under the cognizance of the TIA TR-42 User Premises Telecommunications Cabling Infrastructure, TR-42.12 Subcommitteeon Optical Fibers and Cables.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technology Department 2500
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22、 FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-492AAAA-B i Detail specification for 62.5-m core diameter/125-m cladding diameter class Ia graded-index multimode optical fibers Prepared by TIA FO-4.2 Subcommittee
23、on Optical Fibers and Cables Telecommunications Industry Association 2500 Wilson Boulevard Arlington, VA 22201-3834 Detail Specification TIA/EIA-492AAAA-B Electronic Components of Assessed Quality in Accordance with Generic Specification TIA/EIA-4920000-B Blank Detail Specification TIA/EIA-492AA00-A
24、 Outline drawing: Description: class Ia graded-index multimode optical fibers Construction: Core diameter: 62.5 m Cladding diameter: 125.0 m NA: 0.275 Fiber composition: all-glass Coating diameter: a function of cable design; nominal value shall be indicated on purchase order Coating composition: us
25、ually made from one or more plastic materials or compositions, to protect the fiber during manufacture, handling, and use Application(s): on-premises intra-building and inter-building fiber installations, including LANs, PBXs, video, various multiplexing uses, outside telephone cable plant use, and
26、miscellaneous related uses TIA-492AAAA-B ii This page left blank. TIA-492AAAA-B iii Contents Foreword v Introduction 1 1 Scope. 1 2 Normative references. 1 3 Background information. 3 3.1 Required specifications. 3 3.2 Marking . 3 3.3 Numbering system 3 3.4 Other requirements . 3 3.5 Ordering inform
27、ation . 4 3.6 Additional information (not for inspection purposes). 4 3.7 Additional requirements 4 4 Inspection requirements. 4 4.1 Qualification approval . 4 4.2 Quality conformance Inspection 4 5 Quality assessment tables. 5 Annex A (normative), Quality Conformance Inspection (QCI) codes and leve
28、ls 11 Annex B (normative), Part-number codes for multicellular attributes. 12 Annex C (informative), Surrogate test procedure: length measurement 16 Annex D (informative), Material dispersion specification . 17 Table 1 - Dimensional specifications . 6 Table 2 - Mechanical specifications. 7 Table 3 -
29、 Optical specifications 8 Table 4 - Environmental specifications 10 TIA-492AAAA-B iv This page left blank. TIA-492AAAA-B v Foreword (This Foreword is informative only and is not part of this Standard.) This document comes from TIA Project Number 3-3006, formulated under the cognizance of TIA FO-4, C
30、ommittee on Fiber Optics, FO-4.2, Subcommittee on Optical Fibers and Cables. There are 4 annexes: Annexes A and B are normative; Annexes C and D are informative. Key Words: multimode, detail specification TIA-492AAAA-B vi This page left blank. TIA-492AAAA-B 1 Detail specification for 62.5-m core dia
31、meter/125-m cladding diameter class Ia graded-index multimode optical fibers Introduction This Specification enables end users and manufacturers of fiber-optic cable to specify one of the choices of multimode optical fiber contained in the cable. This Specification, in conjunction with Generic Speci
32、fication TIA/EIA-4920000-B and Sectional Specification TIA/EIA-492A000-A, follow the specification structure of the National Electronic Components Quality Assessment System (NECQ). 1 Scope This Detail Specification applies to class Ia, graded-index, 62.5/125 m multimode optical fiber used as a compo
33、nent in the manufacture of fiber-optic cable used in buildings. Applications include, but are not restricted to, the on-premises intra-building and inter-building fiber installations, including LANs, PBXs, video, various multiplexing uses, outside telephone cable plant use, and miscellaneous related
34、 uses. 2 Normative references Where applicable, this Detail Specification shall use information and related documents derived from, and referenced in: - TIA/EIA-4920000-B, Generic Specification for optical fibers; - TIA/EIA-492A000-A, Sectional Specification for class Ia graded-index multimode optic
35、al fibers; TIA-492AAAA-B 2 - TIA/EIA-492AA00-A, Blank Detail Specification for class Ia graded-index multimode optical fiber. (Hereafter in this document, the above documents will be referred to as the Generic Specification, Sectional Specification, and Blank Detail Specification, respectively.) - T
36、IA/EIA-455-B, Standard test procedures for fiber optic fibers, cables, transducers, sensors, connecting and terminating devices, and other fiber optic components, (Specific test procedures (FOTPs) within TIA/EIA-455-B are referenced where applicable and listed here.) - FOTP-31 - Proof Testing Optica
37、l Fibers by Tension - FOTP-48 - Measurement of Optical Fiber Cladding Diameter Using Laser-Based Instruments - FOTP-72 - Procedure for Assessing Temperature and Humidity Cycling Aging Effects on Optical Characteristics of Optical Fibers - FOTP-78 - IEC 60793-1-40 Optical Fibres Part 1-40: Measuremen
38、t Methods and Text Procedures - Attenuation - FOTP-133 - IEC-60793-1-22 Optical Fibres - Part 1-22: Measurement Methods and Test Procedures - Length Measurement - FOTP-175 - IEC 60793-1-42 Optical Fibres Part 1-42: Measurement Methods and Test Procedures - Chromatic Dispersion - FOTP-176 - IEC-60793
39、-1-20 Optical Fibers Part 1-20: Measurement Methods and Test Procedures Fibre Geometry - FOTP-177 - IEC 60793-1-43 Optical Fibres Part 1-43: Measurement Methods and Test Procedures - Numerical Aperture - FOTP-178 - IEC 60793-1-32 Optical Fibres Part 1-32: Measurement Methods and Test Procedures - Co
40、ating Stripability - FOTP-195 - IEC-60793-1-21 Optical Fibres Part 1 21: Measurement Methods and Test Procedures Coating Geometry - FOTP-204 - Measurement of Bandwidth on Multimode Fiber - FOTP-234 IEC 60793-1-52 Optical Fibres Part 1 52: Measurement Methods and Test Procedures Change of Temperature
41、 TIA-492AAAA-B 3 3 Background information 3.1 Required specifications This Standard takes the entire contents of clause 4 of the Sectional Specification into account. The tables of this document include the minimum list of attributes specified in clause 4 of the Sectional Specification. 3.2 Marking
42、Marking shall conform to the provisions of 3.3 of the Sectional Specification. 3.3 Numbering system The numbering system shall conform to 3.8 of the Generic Specification. Use the part number for all items on every purchase order to define particular choices for certain parameters that have multiple
43、 limit cells. See Annex B for definition and discussion of the part-number system. 3.4 Other requirements 3.4.1 Coating - Generic composition: acrylic or other suitable polymeric material. - Removal method: mechanical or other suitable removal method. 3.4.2 Factory splicing Factory splicing is not p
44、ermitted. 3.4.3 Marking Mark the reel to conform to the principles given in 3.3 of the Sectional Specification. 3.4.4 Packaging Packaging shall conform to the principles given in 3.9.4 of the Generic Specification. TIA-492AAAA-B 4 3.4.5 Health and safety Health and safety considerations shall confor
45、m to the principles given in 3.9.5 of the Generic Specification. 3.5 Ordering information Orders for fibers covered by this Specification shall contain, in clear or in coded form, the following minimum information: - Number and revision indicator of the Detail Specification. - Part number. See also
46、3.3 and Annex B of this Specification. 3.6 Additional information (not for inspection purposes) This Detail Specification supports Detail Specifications in the series of TIA Standards and ICEA Standards for fiber-optic cable. 3.7 Additional requirements There are no additional requirements. 4 Inspec
47、tion requirements 4.1 Qualification approval For qualification approval, the process shall be in accordance with 5.2 of the Sectional Specification, which in turn references 4.3 of the Generic Specification. The minimum sample size is the same as that specified for periodic requalification in the ta
48、bles that follow. 4.2 Quality Conformance Inspection (QCI) Quality Conformance Inspection shall be in accordance with 5.3 of the Sectional Specification. Note that periodic requalification is a standard component of the QCI program. TIA-492AAAA-B 5 5 Quality assessment tables Tables 1 through 4 cove
49、r both qualification approval and QCI requirements, and represent the required list of attributes, as given in 3.1 of this document. NOTE 1 - Column 1 cross references the subclause in the Sectional Specification that gives more detail on preferred values and characteristics. NOTE 2 - Column 3 often lists more
