1、 TIA-492AAAC-B November 2009 Detail Specification for 850-nm Laser-Optimized, 50-m Core Diameter/125-m Cladding Diameter Class Ia Graded-Index Multimode Optical Fibers ANSI/TIA-492AAAC-B-2008 APPROVED: MARCH 28, 2008 NOTICE TIA Engineering Standards and Publications are designed to serve the public
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22、GATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-492AAAC-B i Detail specification for 850-nm laser-optimized, 50-m core diameter/125-m cladding diameter class Ia graded-index multimode optical
23、 fibers Prepared by TIA FO-4.2 Subcommittee on Optical Fibers and Cables Telecommunications Industry Association 2500 Wilson Boulevard Arlington, VA 22201-3834 Detail Specification TIA/EIA-492AAAC-B Electronic Components of Assessed Quality in Accordance with Generic Specification TIA/EIA-4920000-B
24、Blank Detail Specification TIA/EIA-492AA00-A Outline drawing: Description: class Ia graded-index multimode optical fibers Construction: Core diameter: 50 m Cladding diameter: 125.0 m NA: 0.200 Fiber composition: all-glass Coating diameter: a function of cable design; nominal value shall be indicated
25、 on purchase order Coating composition: usually made from one or more plastic materials or compositions, to protect the fiber during manufacture, handling, and use Application(s): short reach, high bit-rate systems for telephony, distribution and local networks, carrying data, voice and/or video ser
26、vices and on-premises intrabuilding and interbuilding fiber installations, including LANs, PBXs, video, various multiplexing uses, outside telephone cable plant use, and miscellaneous related uses. TIA-492AAAC-B ii This page left blank. TIA-492AAAC-B iii Contents Foreword v Introduction 1 1 Scope. 1
27、 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 information . 4 3.6 Additional information (not for inspection purposes). 4 3.7 Additional requirements 4 4 Inspection requirements. 5
28、4.1 Qualification approval . 5 4.2 Quality conformance Inspection 5 5 Quality assessment tables. 5 Annex A (normative), Quality Conformance Inspection (QCI) codes and levels 13 Annex B (normative), Part-number codes for multicellular attributes. 14 Annex C (normative), Transmitter, fiber differentia
29、l mode delay (DMD) and calculated effective modal bandwidth (EMBc) requirements. 16 Annex D (informative), Surrogate test procedure: length measurement 21 Annex E (informative), Material dispersion specification . 22 Annex F (informative), Preliminary indications for items needing further study . 23
30、 Annex G (informative), References 24 Table 1 - Dimensional specifications . 7 Table 2 - Mechanical specifications. 8 Table 3 - Optical specifications 9 Table 4 - Environmental specifications 12 TIA-492AAAC-B iv This page left blank. TIA-492AAAC-B v Foreword (This Foreword is informative only and is
31、 not part of this Standard.) This document comes from TIA Project Number 3-0035, formulated under the cognizance of TIA FO-4, Committee on Fiber Optics, FO-4.2, Subcommittee on Optical Fibers and Cables. There are 7 annexes: Annexes A, B and C are normative; Annexes D, E, F, and G are informative. K
32、ey Words: differential mode delay (DMD), effective modal bandwidth, laser optimized, multimode, and detail specification TIA-492AAAC-B vi This page left blank. TIA-492AAAC-B 1 Detail specification for 850-nm laser-optimized, 50-m core diameter/125-m cladding diameter class Ia graded-index multimode
33、optical fibers Introduction This Specification enables end users and manufacturers of fiber-optic cable to specify a high bandwidth optical fiber optimized for enhanced performance at 850 nm. This Specification, in conjunction with Generic Specification TIA/EIA-4920000-B and Sectional Specification
34、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, 50/125 m multimode optical fiber used as a component in the manufacture of fiber-optic cable. Application
35、s include, but are not restricted to, the following: support for short reach, high bit-rate systems in telephony, distribution and local networks, carrying data, voice and/or video services and on-premises intrabuilding and interbuilding fiber installations, including LANs, PBXs, video, various mult
36、iplexing uses, outside telephone cable plant use, and miscellaneous related 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-4
37、92A000-A, Sectional Specification for class Ia graded-index multimode optical fibers; TIA-492AAAC-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,
38、Sectional Specification, and Blank Detail Specification, respectively.) - TIA/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 ref
39、erenced where applicable and listed here.) - FOTP-31 - Proof Testing Optical 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 Opt
40、ical Fibers - FOTP-78 - IEC 60793-1-40 Optical Fibers Part 1-40: Measurement Methods and Text Procedures - Attenuation - FOTP-133 - IEC-60793-1-22 Optical Fibers - Part 1-22: Measurement Methods and Test Procedures - Length Measurement - FOTP-175 - IEC 60793-1-42 Optical Fibers Part 1-42: Measuremen
41、t Methods and Test Procedures - Chromatic Dispersion - FOTP-176 - IEC-60793-1-20 Optical Fibers Part 1-20: Measurement Methods and Test Procedures Fiber Geometry - FOTP-177 - IEC 60793-1-43 Optical Fibers Part 1-43: Measurement Methods and Test Procedures - Numerical Aperture - FOTP-178 - IEC 60793-
42、1-32 Optical Fibers Part 1-32: Measurement Methods and Test Procedures - Coating Stripability - FOTP-195 - IEC-60793-1-21 Optical Fibers Part 1 21: Measurement Methods and Test Procedures Coating Geometry - FOTP-204 - Measurement of Bandwidth on Multimode Fiber - FOTP-220 - Differential Mode Delay M
43、easurement of Multimode Fiber in the Time Domain - FOTP-234 IEC 60793-1-52 Optical Fibers Part 1 52: Measurement Methods and Test Procedures Change of Temperature TIA-492AAAC-B 3 3 Background information 3.1 Required specifications This Standard takes the entire contents of clause 4 of the Sectional
44、 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 Marking shall conform to the provisions of 3.3 of the Sectional Specification. 3.3 Numbering system The numbering system shall conform to
45、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 limit cells. See Annex B for definition and discussion of the part-number system. 3.4 Other requirements 3.4.1 Coating - Generic composit
46、ion: acrylic or other suitable polymeric material. - Removal method: mechanical or other suitable removal method. 3.4.2 Factory splicing Factory splicing is not permitted. TIA-492AAAC-B 4 3.4.3 Marking Mark the reel to conform to the principles given in 3.3 of the Sectional Specification. 3.4.4 Pack
47、aging Packaging shall conform to the principles given in 3.9.4 of the Generic Specification. 3.4.5 Health and safety Health and safety considerations shall conform to the principles given in 3.9.5 of the Generic Specification. 3.5 Ordering information Orders for fibers covered by this Specification
48、shall contain, in clear or in coded form, the following minimum information: - Number and revision indicator of the Detail Specification. - Part number. See also 3.3 and Annex B of this Specification. 3.6 Additional information (not for inspection purposes) This Detail Specification supports Detail
49、Specifications in the series of TIA Standards and ICEA Standards for fiber-optic cable. 3.7 Additional requirements There are no additional requirements. TIA-492AAAC-B 5 4 Inspection requirements 4.1 Qualification approval For qualification approval, the process shall be in accordance with 5.2 of the Sectional S
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