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1. (WO2013161374) OPTICAL LINE TERMINAL

Pub. No.:    WO/2013/161374    International Application No.:    PCT/JP2013/054744
Publication Date: Fri Nov 01 00:59:59 CET 2013 International Filing Date: Tue Feb 26 00:59:59 CET 2013
IPC: H04L 12/44
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
KAWAKAMI, Kazutoshi
川上 和俊
Inventors: KAWAKAMI, Kazutoshi
川上 和俊
Title: OPTICAL LINE TERMINAL
Abstract:
A control board (11) is provided with a management number allocating unit (111) that allocates, at a system switchover time, the same management number to PON interfaces (13a and 13b). Each PON interface (13a and 13b) is provided with: a management information updating unit (131) that, with the establishment of a link from an ONU (3), adds a management number to management information from the ONU (3) and then updates the management information; a management information notifying unit (133) that notifies the other PON interface of the management information; and a data synchronization unit (134) that performs data synchronization for management information that has been notified thereto if the management number of the aforementioned management information matches the management number for the PON interface that the data synchronization unit is a component of, and destroys the aforementioned management information if there is no match.