Impact Resistance Tests of Intra-Facility Optical Cables for Broadband Access Systems
Abstract
The article presents the results obtained from impact resistance tests of optical fiber cables ОВНСLS-HF, ОВНРLS-HF, ОВНВLS-HF, ОВНПLS- HS, and ОПНПLS-HS intended for use in broadband access systems (a technology that allows users to be permanently connected to the Internet, TV channels, and telephone line. The cable design includes an optical fiber in a buffer coating, with a loose laying, or from 2 to 288 optical fibers in a bundle of micromodules with free laying, a strength member in the form of an aramid yarn bundle or two fiberglass rods placed inside the outer sheath, and the polymer outer sheath itself. The cables are flame retardant and do not contain materials that release corrosive smoke and gas release products during combustion and smoldering.
The cable impact resistance tests were carried out in accordance with the E4 method stipulated by GOST R IEC 794-1 on the cable construction length. The impact tests were carried out using a special SU-EK2 installation.
The results from signal power measurements in an optical fiber are presented, and the attenuation increment as a function of impact energy acting on the cable has been calculated. The regression coefficients are determined, and linear dependences are plotted from the obtained equations. An analysis of the obtained dependences carried out using the linear regression method has shown that these dependences are linear in nature.
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Для цитирования: Боев М.А., Зин Мин Латт. Испытание на стойкость к удару внутриобъектовых оптических кабелей для широкополосного доступа // Вестник МЭИ. 2019. № 1. С. 56—60. DOI: 10.24160/1993-6982-2019-1-56-60.
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For citation: Boev M.A., Zin Min Latt. Impact Resistance Tests of Intra-Facility Optical Cables for Broadband Access Systems. MPEI Vestnik. 2019;1:56—60. (in Russian). DOI: 10.24160/1993-6982-2019-1-56-60.
