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专利名称：Information transmission network system
and its traffic control method and nodeequipment
发明人：Masatoshi Suzuki申请号：US09788593申请日：20010221公开号：US06917583B2公开日：20050712
专利附图：
摘要：In SDH-based transmission systems with redundancy, in the event of failure inthe service transmission lines, before the service traffic communication path set in the
service transmission lines is switched to the protection transmission lines, if there is acommunication path for sub traffic set in the protection transmission lines, the AU-AISsignal is inserted at the exit to lower-tier terminals to terminate the sub trafficcommunication path. Unless there is a communication path set for sub traffic in theprotection transmission lines, the UNEQ signal is inserted at the exit to lower-tierterminals which are substantially connected to the protection transmission lines toterminate the sub traffic communication path. Later, the service traffic communicationpath is switched to the protection transmission lines. Then a misconnect duringredundancy lines switching is prevented and the possibility of leak of the service traffictransmission information is eliminated.
申请人：Masatoshi Suzuki
地址：Fussa JP
国籍：JP
代理机构：Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
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