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

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概要

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• This paper proposes 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. Three 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 re-peaters (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.

• 社団法人電子情報通信学会の論文
• 1996-10-25

著者

• Kobayashi Y

  Saitama Univ. Saitama‐shi Jpn

• Matsuoka Shinji

  NTT Optical Network Systems Laboratories

• KOBAYASHI Yukio

  Mitsubishi Electric Corporation

• Matsuoka S

  Ntt Optical Network Systems Lab. Yokosuka‐shi Jpn

• Kazuyuki MATSUMURA

  NTT Tokyo Regional Communications Sector

• SATO Yoshiaki

  NTT Network Systems Development Department

• HAGlMOTO Kazuo

  NTT Optical Network Systems Laboratories

• Kobayashi Yukio

  Mitsubishi Electric Corperation

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• High-Luminance Thin-Film Electroluminescent Devices Using ((Y_2O_3)_-(GeO_2)_):Mn Phosphors : Optics and Quantum Electronics
• High-Luminance Thin Film Electroluminescent Devices Using Monoclinic Y_2O_3 Phosphor Activated with Mn : Optics and Quantum Electronics
• Fault Localization and Supervisory Channel Implementation for Optical Linear-Repeaters in SDH/SONET-Based Networks
• An Architecture for Optical Ring Trunk-Transmission Networks

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