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Proceedings Paper

Application of techniques for fault localization on optical cable
Author(s): Andrey A. Voronkov; Vladimir V. Morochkovsky
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Paper Abstract

For fiber-optic links (FOL), the sufficient time of repairing (removing & reinstalling) fiber-optic cables (FOC) and the natural ageing of optical fibers (OF) have been stipulating and propelling the problems of safe communication. The latters used to and are nowadays resolved by mean of either reserving line, cables, fibers, digital streams or improving quality of FOC grooming. In the latter case, the implementation of a prognostic control of FOC plays sufficient role in fault prediction on maintenance stage of FOL. The prognostic control is performed by mean of Remote Test Fiber Systems (RFTS) on the basis of both direct controlling OF parameters and indirect methods of FOC monitoring, including, being applied at Volgograd City Telephone Network, RLTP Method (Rate Loss Time Prediction) designed for copper/ steel media. Thus for example a prediction method on the basis of protective sheath monitoring results of FOC. This method is very effective when applied for buried long-haul FOC and in widespread use in Russia. One of the problems ofthe method performance is how to maintenance satisfactory sheath condition ofFOC. In general, the main trouble is how to localize faults on the protective sheath. There are however some classical techniques which are similar to the applied techniques in fault localization in copper media, but when applied for FOL, the techniques have specifics. The purpose of the paper is to analyze specifics ofthe classical technique implementation for fault localization ofprotective sheath of FOC.

Paper Details

Date Published: 10 April 2007
PDF: 10 pages
Proc. SPIE 6605, Optical Technologies for Telecommunications 2006, 66050I (10 April 2007); doi: 10.1117/12.728502
Show Author Affiliations
Andrey A. Voronkov, Povolzhskaya State Academy of Telecommunications and Informatics (Russia)
Vladimir V. Morochkovsky, Meggorsvazstroy (Russia)

Published in SPIE Proceedings Vol. 6605:
Optical Technologies for Telecommunications 2006
Vladimir A. Andreev; Vladimir A. Burdin; Albert H. Sultanov, Editor(s)

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