发明名称 OVPN TERMINATING DEVICE AND SYSTEM
摘要 <P>PROBLEM TO BE SOLVED: To provide an OVPN (optical virtual private network) terminating device capable of quickly responding to a request for changing a signal format applied by a user. <P>SOLUTION: A data line from the user is connected through an optical switch to a plural kinds of signal converters by using a control line for enabling the OVPN terminating device to know how the user of the OVPN is intended to connect signals of layer 1 to the OVPN. Various signals of the layer 1 can be thus accommodated in the OVPN by means of the optical switch. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004072695(A) 申请公布日期 2004.03.04
申请号 JP20020233300 申请日期 2002.08.09
申请人 NIPPON TELEGR & TELEPH CORP <NTT> 发明人 OKAMOTO SATOSHI;MISAWA AKIRA;YAMANAKA NAOAKI;KATAYAMA MASARU
分类号 H04B10/27;H04B10/291;H04L12/66;H04L12/70 主分类号 H04B10/27
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