Reconfigurable multiport EPON repeater

Masayuki Oishi; Ryo Inohara; Akira Agata; Yukio Horiuchi

doi:10.1117/12.852144

25 November 2009 Reconfigurable multiport EPON repeater

Masayuki Oishi, Ryo Inohara, Akira Agata, Yukio Horiuchi

Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 76320S (2009) https://doi.org/10.1117/12.852144
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

An extended reach EPON repeater is one of the solutions to effectively expand FTTH service areas. In this paper, we propose a reconfigurable multi-port EPON repeater for effective accommodation of multiple ODNs with a single OLT line card. The proposed repeater, which has multi-ports in both OLT and ODN sides, consists of TRs, BTRs with the CDR function and a reconfigurable electrical matrix switch, can accommodate multiple ODNs to a single OLT line card by controlling the connection of the matrix switch. Although conventional EPON repeaters require full OLT line cards to accommodate subscribers from the initial installation stage, the proposed repeater can dramatically reduce the number of required line cards especially when the number of subscribers is less than a half of the maximum registerable users per OLT. Numerical calculation results show that the extended reach EPON system with the proposed EPON repeater can save 17.5% of the initial installation cost compared with a conventional repeater, and can be less expensive than conventional systems up to the maximum subscribers especially when the percentage of ODNs in lightly-populated areas is higher.

Citation Download Citation

Masayuki Oishi, Ryo Inohara, Akira Agata, and Yukio Horiuchi "Reconfigurable multiport EPON repeater", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76320S (25 November 2009); https://doi.org/10.1117/12.852144

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KEYWORDS

Switches

Fiber to the x

Telecommunications

Transceivers

Passive optical networks

Coarse wavelength division multiplexing

Optical amplifiers

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