TIA-455-14-A-1992 FOTP-14 Fiber Optic Shock Test (Specified Pulse)《FOTP-14 光纤冲击试验(指定脉冲)》.pdf

《TIA-455-14-A-1992 FOTP-14 Fiber Optic Shock Test (Specified Pulse)《FOTP-14 光纤冲击试验(指定脉冲)》.pdf》由会员分享，可在线阅读，更多相关《TIA-455-14-A-1992 FOTP-14 Fiber Optic Shock Test (Specified Pulse)《FOTP-14 光纤冲击试验(指定脉冲)》.pdf（25页珍藏版）》请在麦多课文档分享上搜索。

1、 TIA-455-14-A (Revision of EIA/TIA-455-14)March 1992 (r 01/2012) FOTP-14 Fiber Optic Shock Test (Specified Pulse) NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating inter

2、changeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for their particular need. The existence of such Standards and Publications shall not in any respect preclude any member or non-member of TIA from manufacturing or

3、selling products not conforming to such Standards and Publications. Neither shall the existence of such Standards and Publications preclude their voluntary use by Non-TIA members, either domestically or internationally. Standards and Publications are adopted by TIA in accordance with the American Na

4、tional Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or

5、 all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal 3-2363, formulated under the cognizance of the TIA

6、 TR-42 Telecommunications Cabling Systems, TR-42.13 Subcommittee on Passive Optical Devices andFiber Optic Metrology.) . Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please refer to current Catalog of

7、 TIA TELECOMMUNICATIONS INDUSTRY ASSOCIATION STANDARDS AND ENGINEERING PUBLICATIONS or call IHS, USA and Canada (1-877-413-5187) International (303-397-2896) or search online at http:/www.tiaonline.org/standards/catalog/ All rights reserved Printed in U.S.A. NOTICE OF COPYRIGHT This document is copy

8、righted by the TIA. Reproduction of these documents either in hard copy or soft copy (including posting on the web) is prohibited without copyright permission. For copyright permission to reproduce portions of this document, please contact the TIA Standards Department or go to the TIA website (www.t

9、iaonline.org) for details on how to request permission. Details are located at: http:/www.tiaonline.org/standards/catalog/info.cfm#copyright or Telecommunications Industry Association Technology (b) there is no assurance that the Document will be approved by any Committee of TIA or any other body in

10、 its present or any other form; (c) the Document may be amended, modified or changed in the standards development or any editing process. The use or practice of contents of this Document may involve the use of intellectual property rights (“IPR”), including pending or issued patents, or copyrights,

11、owned by one or more parties. TIA makes no search or investigation for IPR. When IPR consisting of patents and published pending patent applications are claimed and called to TIAs attention, a statement from the holder thereof is requested, all in accordance with the Manual. TIA takes no position wi

12、th reference to, and disclaims any obligation to investigate or inquire into, the scope or validity of any claims of IPR. TIA will neither be a party to discussions of any licensing terms or conditions, which are instead left to the parties involved, nor will TIA opine or judge whether proposed lice

13、nsing terms or conditions are reasonable or non-discriminatory. TIA does not warrant or represent that procedures or practices suggested or provided in the Manual have been complied with as respects the Document or its contents. If the Document contains one or more Normative References to a document

14、 published by another organization (“other SSO”) engaged in the formulation, development or publication of standards (whether designated as a standard, specification, recommendation or otherwise), whether such reference consists of mandatory, alternate or optional elements (as defined in the TIA Eng

15、ineering Manual, 4thedition) then (i) TIA disclaims any duty or obligation to search or investigate the records of any other SSO for IPR or letters of assurance relating to any such Normative Reference; (ii) TIAs policy of encouragement of voluntary disclosure (see Engineering Manual Section 6.5.1)

16、of Essential Patent(s) and published pending patent applications shall apply; and (iii) Information as to claims of IPR in the records or publications of the other SSO shall not constitute identification to TIA of a claim of Essential Patent(s) or published pending patent applications. TIA does not

17、enforce or monitor compliance with the contents of the Document. TIA does not certify, inspect, test or otherwise investigate products, designs or services or any claims of compliance with the contents of the Document. ALL WARRANTIES, EXPRESS OR IMPLIED, ARE DISCLAIMED, INCLUDING WITHOUT LIMITATION,

18、 ANY AND ALL WARRANTIES CONCERNING THE ACCURACY OF THE CONTENTS, ITS FITNESS OR APPROPRIATENESS FOR A PARTICULAR PURPOSE OR USE, ITS MERCHANTABILITY AND ITS NONINFRINGEMENT OF ANY THIRD PARTYS INTELLECTUAL PROPERTY RIGHTS. TIA EXPRESSLY DISCLAIMS ANY AND ALL RESPONSIBILITIES FOR THE ACCURACY OF THE

19、CONTENTS AND MAKES NO REPRESENTATIONS OR WARRANTIES REGARDING THE CONTENTS COMPLIANCE WITH ANY APPLICABLE STATUTE, RULE OR REGULATION, OR THE SAFETY OR HEALTH EFFECTS OF THE CONTENTS OR ANY PRODUCT OR SERVICE REFERRED TO IN THE DOCUMENT OR PRODUCED OR RENDERED TO COMPLY WITH THE CONTENTS. TIA SHALL

20、NOT BE LIABLE FOR ANY AND ALL DAMAGES, DIRECT OR INDIRECT, ARISING FROM OR RELATING TO ANY USE OF THE CONTENTS CONTAINED HEREIN, INCLUDING WITHOUT LIMITATION ANY AND ALL INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR TH

21、E LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD

22、NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. Section 1. 2. 3. 4. 5. 6. 7. 8. ANNEX A ANNEX B APPENDIX TABLE I TABLE II FIGURE 1 FIGURE 2 FIGURE 3 FTP-14 FIBER OPTIC SHOCK TEST (SPECIFIED PULSE) TABLE OF CONTENTS Paqe INTRODUCTION 1 APPLICABLE DOCUMENTS 2 APPARATUS SAMPLNG AND SPECIMENS 3 PROCED

23、URE 4 CALCULATIONS OR INTERPRETATION OF RESULTS 6 DOCUMENTATION i SPECIFICATION INFORMATION 8 APPARATUS DETAILS AND CALIBRATION REQUIREMENTS 12 REQUIREMENTS FOR SHOCK PULSES 15 COMPARISON BETWEEN FOTP-14 AND IEC, ISO, AND CCITT REQUIREMENTS 17 TEST CONDITION VALUES 5 PREFERRED NUMBER OF SHOCKS 6 TOL

24、ERANCES FOR HALF SINE SHOCK PULSE 9 , TOLERANCES FOR TERMINAL-PEAK SAWTOOTH SHOCK PULSE 10 FREQUENCY RESPONSE 11 TOLERANCE LIMITS FOR MEASURING SYSTEM E 1 EIA TIA-455-14A 92 W 3234600 050L107 3 W 1 _ EIA/TIA-455-14A Page 1 FOTP-14 FIBER OPTIC SHOCK TEST (SPECIFIm PULSE) (From EIA Standards Proposal

25、No. 2363, formulated under the cognizance of TIA FO-6.3, Subcommittee on Fiber Optic Interconnecting Devices, and TIA FO-6.4, Subcommittee on Fiber Optic Test Methods and Instrumentation.) This FOTP is part of the series of test procedures included within Recommended Standard EIA/TIA-455. NOTE : Thi

26、s FOTP was originally published in EIA RS-455-14 as FOTP-14. 1. INTRODUCTION 1.1 Intent. The intent of this test is to determine the ability of fiber optic components (such as interconnecting devices) to withstand shocks such as those expected from rough handling, transportation, and military operat

27、ions b 1.2 Failure Modes. Potential failure modes for this test include, but are not limited to: a. Cracking, breaking, or loosening of parts, b. Optical discontinuity, c. Changes in optical transmittance during and after shock. This method is similar to Method 2004.1 of MIL-STD-1344. EIA TIA-455-14

28、A 92 m 3234600 0501108 5 = EIA/TIA-455-14A Page 2 specified herein: EIA/TIA-455-A 2. APPLICABLE DOCUMENTS The followincr documents form a part of this FOTP to the extent “Standard Test Procedures for Fiber Optic Fibers, Cables, Transducers, Sensors, Connecting and Terminating Devices, and Other Fibe

29、r Optic Components II FOTP-13 (EIA-455-13) FOTP-20 (EIA/TIA-455-20A) FOTP-32 (EIA/TIA-455-32A) MIL-STD-1344A3 Method 2004.1 MI L-STD- 8 1 OD3 Method 516.3 4 IEC-874-1, 3rd Ed. IEC-68-2-27, 3rd Ed. “Visual and Mechanical Inspection of Fiber, Cables, Connectors and/or Other Fiber Optic Devices“ llMeas

30、urement of Change in Optical Transmittance If Fi ber Optic Circuit Di s cont inui t ie s I “Test Methods for Electrical Connectors“ llshock ( Specified Pulse) llEnvironmental Test Methods and Engineering GuidelinesIf Shock“ “Connectors for optical fibres and cab les It “Basic Environmental Testing P

31、rocedures. Part 2: Tests - Test Ea and guidance: Shockff In process of preparation. Pending publication of this revision, use EIA RS-455-20. Available from Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094, or from the procuring activity, or as directed

32、by the contracting officer. In process of preparation. Pending publication of this revision, use IEC SC86B(Central Officel69, dated July 1989. EIA TIA-455-14A 92 3234600 050LL09 7 -_- - EIA/TIA-455-14A Page 3 3. APPARATUS The following apparatus and equipment is required toI perform this test: 3.1 S

33、hock Machine. of producing the specified input shock pulse as shown in Figures 1 or 2, as applicable. The shock machine may be of the free fall, resilient rebound, nonresilient, hydraulic, compressed gas, or other activating types. Refer to Annex A for shock machine calibration requirements. The sho

34、ck machine utilized shall be capable . 3.2 Shock Machine Instrumentation. Use appropriate shock measuring instrumentation to verify that the correct input shock is applied to the test specimen. Refer to Annex A for additional instrumentation details and for calibration information. 3.3 Other Equipme

35、nt. Optical and other test and inspection equipment shall be available as required by FOTPs -13,-20 and/or -32, as appropriate. Refer to the required FOTP for details. e 4. SAMPLING AND SPECIMENS 4.1 Samples. Select samples randomly from production lots of the component to be tested. Unless otherwis

36、e specified by the Detail Specification, test -specimens shall be fully assembled (mated, if a connector) fiber optic components with appropriate test cables attached. 4.2 Specimen Mounting. After completing procedure steps 5.1 and 5.2, the test specimen (mated or unmated) shall be prepared and . mo

37、unted with accessories as specified in the Detail Specification and fastened to the table of the shock testing machine. Whenever possible, the test load shall be distributed uniformly on the test platform in order to minimize the effects of unbalanced loads. i EIA TIA-i.155-Li.1A 72 323i.1600 050LL1

38、0 3 EIA/TIA-455-14A Page 4 5. PROCEDURE 5.1 Apparatus Set-up. Refer to the Detail Specification to determine the type of shock pulse (half-sine or sawtooth) to be utilized for the test. If the shock pulse type is not specified, use the half-sine pulse. Before attempting to test any item, verify that

39、 the test apparatus (shock machine and shock measuring instrumentation) has been properly Set-up and calibrated to perform the prescribed test. Refer to Annex A and to Annex B for general requirements. 5.2 Pre-Test Inspection. Before installing the specimen(s) in the shock test equipment, make a vis

40、ual and physical examination of each specimen in accordance with FOTP-13 to assure that specimens have not been obviously damaged before test. 5.3 Specimen Mounting. Fasten the specimen(s) to the table of the shock testing machine, as described in 4.2. Unless otherwise specified in the Detail Specif

41、ication, if the test specimen, is normally mounted on vibration isolators, the isolators shall be functional during the test. 5.4 Pre-Shock Measurements. Perform any pre-shock optical tests (e.g., optical transmittance in accordance with FOTP-20, optical discontinuities in accordance with FOTP-32) r

42、equired by the Detail Specification. 5.5 Conduct Shock Test. Operate the shock test machine for the test severities specified in the Detail Specification. Refer to Table I for standard test options (duration, peak acceleration value, waveform). The specified test pulse (half-sine or sawtooth pulse)

43、shall be in accordance with Figures 1 and 2 respectively (as stated in 5.1, the half-sine pulse applies if waveform is not specified by the Detail Specification). The pulse shall have a duration and peak value in accordance with one of the test conditions shown in Table I. If not specified in the De

44、tail Specification, Test Condition Letter A shall apply. Refer to Table II for the preferred numbers of shocks to be . delivered. If not specified by the Detail Specification, three shocks in each direction shall be applied along the three mutually perpendicular axes of the test specimen (18 shocks)

45、. 4 o b EIA/TfA-455-14A Page 5 TABLE I TEST CONDITION VALUES Test Peak Values Normal Velocity- Condition (g level) Duration Waveform Change (V) Letter (d) ms m/s (ft1.s) A 50 11 - Half -sine 3.44 (11.3) 75 6 Half -sine 2.80 ( 9.6) B C 100 6 Half -sine 3.75 (12.3) D5 300 3 E 50 11 Half -sine 5.61 (18

46、.4) Sawtooth 2.68 ( 8.8) 6 Sawtooth 2.19 ( 7.2) F 75 G 100 6 Sawtooth 2.96 ( 9.7) Half -sine 2.07 ( 6.8) H 30 11 I 30 11 Sawtooth 1.62 ( 5.3) J 30 18 Half -sine 3.44 (11.3) K 50 11 Half - sine 3.44 (21.3) L 100 6 Half -sine 3.75 (12.3) Half - sine 3.18 (10.4) M 500 1 For test condition D, where the

47、weight of multi-specimen and fixtures exceed 68 kg (or 150 lb), there is a question as to whether the shock pulse is properly transmitted to all specimens. Due consideration shall be given to the design of the test fixture to assure the proper shock input to each specimen. .EIA TIA-455-14A 32 323460

48、0 0501112 7 EIA/TIA-455-14A Page 6 TABLE II PREFERRED NUMBER OF SHOCKS Shocks Per Axis Total and Direction Shocks 1 3 5 10 6 18 30 60 5.6 Measurements During and Following Shock Testing. The measurements made during or after the test shall be as specified in the Detail Specification. As specified in

49、 5.4, make measurements of change in optical transmittance in accordance with FOTP-20, and verify optical discontinuities by the method described in FOTP-32. After final optical measurements have been made, remove the specimen(s) from the shock test machine. 5.7 Post-Test Inspection. After removing the specimen(s) from the shock test equipment, make a visual and physical examination of each specimen in accordance with FOTP-13 to assure that specimens have not been obviously damaged mechanically by the test. 6. CALCULATIONS OR INTE3PRETATION OF RESULTS 6.