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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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