1、u d d ANSI/TIA/EIA-455-1lC-2002 Approved: June 6, 2002 TIA/EIA STANDARD FOTP-11 Vibration Test Procedure for Fiber Optic Components and Cables TIMEIA-455-1 1C 1 (Revision of TIA/EIA-455-1lB) JUNE 2002 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association
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6、ligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practic
7、es and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 3-4638-RV3, formulated under the cognizance of the TIA FO-6.3 Subcommittee on Interconnecting Devices and Passive Components.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2002 Standa
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19、unications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C FOTP-11 Vibration test procedure for fi ber optic components and cables Contents Foreword III 1 Introduction 1 2 Applicable docume
20、nts 1 3 Apparatus 2 4 Sampling and specimens 5 Procedure 2 4 6 Calculations or interpretation of results 14 7 Documentation 14 8 Specification information 15 Annex A (informative) Comparison between FOTP-11 and IEC, ISO, AND ITU/T req u ire men ts 16 I Copyright Telecommunications Industry Associati
21、on Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C This page left blank. II Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking pe
22、rmitted without license from IHS-,-,-TINEIA-455-1 1 C FOTP-11 Vibration test procedure for fi ber optic components and cables Foreword (This foreword is informative and is not part of this standard.) From TIA Standards Proposal No. 4638-RV3, formulated under the cognizance of TIA FO-6.3, Subcommitte
23、e on Fiber Optic Interconnecting Devices, and FO- 6.7, Subcommittee on Fiber Optic Cable. This FOTP is part of the series of test procedures included within Recommended Standard TINEIA-455. NOTE - This FOTP was previously published in TINEIA-455-1 1 B as FOTP-11. . 111 Copyright Telecommunications I
24、ndustry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C This page left blank. iv Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction
25、 or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C 1 Introduction 1.1 Intent The intent of this test is to determine the effects of vibration within the sinusoidal and random vibration environments that may be encountered during the life of the fiber optic component. The procedur
26、e is applicable to all types of fiber, cable or cable assemblies, and fiber optic devices including connectors, splices, passive branching devices (couplers), etc. 1.2 Failure Modes Typical indications of damage resulting from this test include, but are not limited to: a) Loss of optical continuity,
27、 and or degradation of optical transmission either during or at the end of the test b) Breakage or damage of fiber and/or other components c) For cables, damage to outer sheath such as cracks, splits, and kinks d) For connecting devices, inability to mate or unmate, broken parts or accessories, dama
28、ge to seals 2 Applicable documents The following documents form a part of this FOTP to the extent specified herein: E I AIT I A-455- B Standard Test Procedures for Fiber Optic Fibers, Cables, Transducers, Sensors, Connecting and Terminating Devices, and Other Fiber Optic Components FOTP-13 (TIA/EIA-
29、455-13A) Visual and Mechanical Inspection of Fiber Optic Components, Devices, and Assemblies FOTP-20 (TIA/EIA-455-20A) Measurement of Change in Optical Transmittance FOTP-32 (TIA/EIA-455-32A) Fiber Optic Circuit Discontinuities 1 Copyright Telecommunications Industry Association Provided by IHS unde
30、r license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C FOTP-53 (TIA/EIA-455-53A) Attenuation by Substitution Measurement for Multimode Graded-Index Optical Fibers or Fiber Assemblies Used in Long Length Communication Systems MI L-STD-134
31、4A IEC 61300-2-1 Test Methods for Electrical Connectors Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-1: Tests - Vibration (sinusoidal) 3 Apparatus 3.1 Vibration The vibration system (consisting of the vibration machine together with its
32、auxiliary test equipment), shall be capable of generating either a sinusoidal or random excitation. Test equipment for random vibration shall produce random excitation that possesses a Gaussian (normal) amplitude distribution, except that the instantaneous acceleration magnitudes of the peak values
33、may be limited to a minimum of three times the rms three sigma (s) limits. 3.2 Other equipment Optical and other test equipment shall be available as required by FOTPs -13, - 20, -32, or -53 (or other). 4 Sampling and specimens 4.1 Samples When a vibration test sample consists of a fully terminated
34、device (e.g., connector and associated hardware) the cable length shall be specified by the Detail Specification. When the vibration test sample consists of a section of completed cable with or without cable connectors, the cable length shall be specified by the Detail Specification but shall be no
35、less than 21 meters (69 ft). Longer cable lengths of up to 100 meters (325 ft) may be required, depending upon optical measurements to be made. When the vibration test sample consists of an unterminated cable, the fibers of a multi-fibered cable may be 2 Copyright Telecommunications Industry Associa
36、tion Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C concatenated to provide longer test lengths where increased measurement sensitivity is desired. When the vibration test sample consists of a terminated cable
37、, the fibers in a multi-fibered cable may not be concatenated. 4.2 Specimen preparation Each test sample shall be prepared with optical fiber and other materials or processes, simulating field usage. When testing long cable lengths, the test cable may be placed on a reel with wraps sufficiently tigh
38、t to prevent movement. Cable ends shall be prepared for testing to allow attachment to appropriate attenuation equipment. If normal connector mating depends upon forces external to the connector, such forces and mounting arrangements shall be in the housing specified by the manufacturer or duplicate
39、d as closely as possible. If mating is achieved by normal locking means, then only normal locking means shall be used. Test samples shall be visually examined for chips, cracks, tears, splits, loose or missing parts, proper lubrication, proper assembly and mateability. Refer to FOTP-13. Unless other
40、wise specified, test samples shall be terminated with fiber of the type and configuration specified by the applicable Detail Specification, or if not in the Detail Specification, by that recommended by the manufacturer. 4.3 Method of mounting The test specimen shall be attached to a fixture capable
41、of transmitting the vibration conditions specified. The test fixture shall be designed such that resonant vibration(s) inherent in the fixture within the frequency range specified shall be minor. The magnitude of the applied vibration shall be monitored on the test fixture near the specimen mounting
42、 points. If the specimen is a cable, the magnitude of the vibration shall be determined as the maximum amplitude envelope. The test specimen shall be mounted rigidly to the test fixture and simulate as closely as possible normal mounting. A minimum of 20 cm (7.9 inches) of optical fiber, jacketed ca
43、ble, jumpers, etc. shall be unsupported on both ends of the specimen under test and attached, free of tension, to the vibrating surface. When the device under test is a cable, the length to be mounted shall be a minimum of 1 m (3.2 ft), unless longer lengths are specified by the Detail Specification
44、. Additionally for cable, the end of the cable shall be no closer than 10 meters (33 ft) from the test mount device. For specimens with attached brackets, one of the vibration-test directions shall be parallel to the mounting surface of the bracket. Vibration input shall be monitored on the mounting
45、 fixture in the proximity of the support points of the specimen. 3 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C I II III IV V VI I VI I 5 Procedure 5.1 Measu
46、rements Tests and measurements before, during, and after vibration shall be as required in the Detail Specification. Test or inspection requirements may include, but are not limited to those given in 2. 5.2 Test conditions, general 5.2.1 Sinusoidal vibration conditions Test conditions I, II, III, IV
47、 and V are Sinusoidal Vibrations. Vibration conditions shall be in accordance with Table I and Figure 1, as applicable, unless otherwise specified in the Detail Specification. Table I - Vibration conditions G Level F req ue n cy Range (Hz) Test 1 Vibration Type Cond i tion Sinusoidal Sinusoidal Sinu
48、soidal Sinusoidal Sinusoidal Random Random 5.2.2 Random vi brations conditions 10 to 55 10 to 500 10 to 2,000 1 o to 2,000 5 to 500 - - - IO (Peak) 15 (Peak) 20 (Peak) 1 (Peak) Table II(RMS) , Table III(RMS) Test conditions VI and VI1 are random vibrations. Vibration conditions shall be in accordanc
49、e with Figures 2 and 3 and with Tables II and III. 4 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TINEIA-455-1 1 C Table II - Values for test-condition VI1 Test Condition Letter A B C D
