1、 TIA DOCUMENT FOTP-186 Gauge Retention Force Measurement for Fiber Optic Components TIA-455-186 ANSI APPROVAL WITHDRAWN MARCH, 2004 JULY 1991 TELECOMMUNICATIONS INDUSTRY ASSOCIATION The Telecommunications Industry Association represents the communications sector of NOTICE TIA Engineering Standards a
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7、. (From Project No. 3-3748, formulated under the cognizance of the TIA FO-4 Committee on Fiber Optics.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2004 Standards & Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please refer to current Catalog of TIA TELECOMMU
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22、5-186 Page 1 FOTP-186 GAUGE RETWTION FORCE MEASUREMENT FOR FIBER OPTIC COMPONENTS (From EIA Standards Proposal No. 2351, formulated under the cognizance of TIA F0-6.3, Subcommittee on Fiber Optic Interconnecting Devices, and TIA FO-6.4, Subcommittee on Fiber Optic Test Methods and Instrumentation.)
23、This FOTP is part of the series of test procedures included within Recommended Standard EIA/TIA-455. 1. INTRODUCTION 1.1 Intent This procedure is used to measure the retention characteristics of the resilient member of a fiber optic component (most commonly a connector). It is specifically intended
24、for use when it is impracticable to define acceptance/rejection criteria for resilient members by the use of size dimensions. 1.2 Description The method is applicable to either male or female resilient members. For the case of a male member, a ring gauge is forced over the member and the minimum fri
25、ctional force to pull it off is assessed by its ability to pick up a weight. The procedure is identical for a female resilient member except that a gauge pin is substituted for the ring gauge. 1.3 Alternative Procedures This test procedure is an alternative to the measurement procedure, titled Gauge
26、 Retention Force, of IEC 874-1, Third Edition. EIA/TIA-455-186 Page 2 2. APPLICABLEDOCUMENTS The following standards contain provisions that t through reference in this text, constitute provisions of this procedure. At the time of publication, the editions indicated were valid. All standards are sub
27、ject to revision, and parties to agreements based on this procedure are encouraged to apply the most recent editions of the referenced standards. EIA/TIA- 4 5 5-Al “Standard Test Procedures for Fiber Optic Fibers, Cables, Transducers, Sensors, Connecting and Terminating Devices, and Other Fiber Opti
28、c Componentst1 IEC 874-1, Third Edition 2 glConnectors for optical fibres and Cables, Part 1, Generic Specification“ 3- APPARATUS The apparatus consists of a gauge and solvent(s). 3.1 Gauge A ring gauge is used for male features and a pin gauge is used for female features. The weight of the gauge is
29、 adjusted to the specified value. The Detail Specification shall define the gauge. The definition shall include toleranced dimensions, material, and weight, along with the surface hardness and finish for the working area of the gauge . 3.2 Solvent Select a sovent(s) that is capable of removing all t
30、races of lubricant from the bearing surfaces of the gauge and the resilient member without damaging the resilient material of the specimen. . In process of preparation. Pending publication of this revision, use EIA RS-455. in process of preparation. Pending publication of this revision, use IEC/86B(
31、Central Officel69. . STD-EIA TIA-455-18b-ENGL 1991 m 323Lib b14528 UT9 EIA/TIA-455-186 Page 3 4. SAMPLING AND SPECIMENS 4.1 Sampling. Unless otherwise specified in the Detail specification, select the test specimens randomly from the lot(s) being tested and according to the schedule in the Detail Sp
32、ecification. 4.2 Specimens. The Detail Specification shall define the specimen. 5. PROCEDURE 5.1 Safety Precautions This procedure involves the use of Solvents that may be hazardous. It is the responsibility of the user to establish appropriate safety practices and to determine the applicability of
33、regulatory limitations prior to use. 5.2 Preconditioning Precondition the specimen as required by the Detail Specification. 5.3 Cleaning 5.3.1 Clean the resilient member with the solvent(s) to remove all traces of lubricant. 5.3.2 Clean the gauge bearing surface with the solvent(s) to remove all tra
34、ces of lubricant. 5.4 Measurement 5.4.1 Insert the gauge into or over the resilient member. Measure the force required to accomplish the insertion, and compare with the maximum allowable force specified in the Detail Specification. Reject the part if the measured force exceeds the requirement. 5.4.2
35、 the minimum time specified in the Detail Specification. Failure of the member to retain the gauge for the specifed time is cause for rejection. Hold the gauge in a vertically downward position for 6. CALCULATIONS OR INTERPRETATION OF RESULTS This Section is not applicable to this procedure. EIA/TIA
36、-455-186 Page 4 7.1 As a minimum, the documentation shall provide the following information : 7.1.1 Title of measurement and date, 7.1.2 Specimen description and the measured feature. The description shall contain the specimen variant identification number, when applicable. 7.1.3 The apparatus used
37、and the date of latest calibration. 7.1.4 All applicable measurement details (see Section 8). 7.1.5 All measurement values and observations. 7.2 The following information shall be reported and available only for U.S. Military applications: 7.2.1 Test personnel 8. SPECIPICATION INFoRwATiON The Detail
38、 Specification shall specify the following details, as applicable: 8.1 A definition of the specimen to be tested (see Section 4.). 8.2 The gauge definition including toleranced dimensions, material, and weight, together with the surface hardness and finish for the working area of the gauge. . 8.3 8.
39、4 8.5 Preconditioning procedure required (5.2). 8.6 All deviations from this procedure. Maximum allowable gauge insertion force. The minimum time that the specimen must hold the gauge. EIA/TIA-455-186 Page 5 z4PPENDIX COMPARISON BEWEEN THIS FOTP AND IEC OR CCITT REQUIREMENTS (Nonmandatory Informatio
40、n) Al. IEC Reference is made to IEC-874-1, Third Edition 3 , “Connectors for optical fibres and cables, Part 1: Generic specification.“ IEC-874-1, Third Edition, defines a measurement procedure titled Gauge Retention Force, which is, insofar as can be determined, the same as the test defined in FOTP
41、-186. It is believed that this IEC method was originally created to test electrical connectors and was later adapted to fiber optic connectors. 242. CCITT There are no references to any test equivalent to this FOTP known to exist in CCITT documents. in process of preparation. Pending publication of this revision, the test can be found in Clause 4.4.4 Of IEC/86B(Central Officel69.
