OPTICAL LINE TERMINAL AND FRAME TRANSFER METHOD

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United States of America Patent

SERIAL NO

14405395

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Abstract

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Out of one constantly fed block (B0) and one power saving block (B1) provided by dividing in advance circuit units constituting an OLT (10), a power supply control unit (40) constantly supplies power to circuit units belonging to the constantly fed block. For circuit units belonging to the power saving block, the power supply control unit starts power supply to the power saving block starts in synchronism with the start of the period of an upstream bandwidth allocated to each ONU, and stops the power supply to the power saving block in synchronism with the end of the period of the upstream bandwidth. The power supply control unit starts power supply at a timing specified based on the start timing of the upstream bandwidth, and stops the power supply at a timing decided based on the end timing of the upstream bandwidth. This reduces the power consumption of an overall OLT.

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Patent Owner(s)

Patent OwnerAddress
NIPPON TELEGRAPH AND TELEPHONE CORPORATIONCHIYODA-KU TOKYO 100-8116

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arikawa, Yuki Kanagawa, JP 42 19
Kato, Junichi Kanagawa, JP 155 1488
Kawamura, Tomoaki Kanagawa, JP 53 536
Kusaba, Ritsu Kanagawa, JP 3 17
Nakanishi, Mamoru Kanagawa, JP 16 503
Ohteru, Shoko Kanagawa, JP 7 27
Urano, Masami Kanagawa, JP 15 159
Uzawa, Hiroyuki Kanagawa, JP 38 70
Yasuda, Sadayuki Kanagawa, JP 6 20

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