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Fault Localization and Supervisory Channel Implementation for Optical Linear-Repeaters in SDH/SONET-Based Networks

Shinji MATSUOKA, Kazuyuki MATSHUMURA, Yoshiaki SATO, Yukio KOBAYASHI, Kazuo HAGIMOTO

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Summary :

This paper proposed a fault localization and supervisory (SV) channel implementation for linear-repeaters (L-Reps) employing optical line amplifiers. In order to successfully introduce L-Reps into a Synchronous Digital Hierarchy (SDH)/Synchronous Optical Network (SONET)-based networks in a smooth, orderly fashion, layering of repeater section and supervisory system design must be taken into consideration. There supervisory techniques, such as linking analog-based and digital-based information, a precedence of digital-based information and an upstream precedence, for locating faulty L-Rep sections are proposed taking into consideration the difference in monitoring capabilities between L-Reps and regenerating-type repeaters (R-Reps). Furthermore, a linear repeater supervisory (LSV) channel configuration for L-Reps is also proposed. Finally, an SV system established in a prototype SDH-based 10-Gbit/s optical transmission system is briefly described.

Publication
IEICE TRANSACTIONS on Communications Vol.E79-B No.10 pp.1549-1557
Publication Date
1996/10/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Optical Communication

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