发明公开
- 专利标题： Optical transmission system
- 专利标题（中）： 光传输系统
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申请号： EP97304025.6申请日： 1997-06-10
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公开(公告)号： EP0813349A2公开(公告)日： 1997-12-17
- 发明人: Roberts, Kim Byron
- 申请人： NORTHERN TELECOM LIMITED
- 申请人地址： World Trade Center of Montreal, 380 St. Antoine Street West, 8th Floor Montreal, Quebec H2Y 3Y4 CA
- 专利权人： NORTHERN TELECOM LIMITED
- 当前专利权人： NORTHERN TELECOM LIMITED
- 当前专利权人地址： World Trade Center of Montreal, 380 St. Antoine Street West, 8th Floor Montreal, Quebec H2Y 3Y4 CA
- 代理机构： Dennis, Mark Charles
- 优先权： US662571 19960613; GB9615285 19960720
- 主分类号： H04Q11/00
- IPC分类号： H04Q11/00 ; H04B10/08
摘要：
A verification system for a switch or other element in a digital transmission system includes a sample extraction means for tapping a input to the switch, and a similar means for tapping an output of the switch. Analogue features of the signal passing through the switch are tapped off and compared by pattern matching without demultiplexing digital data from the signal passing through the switch. The result of the match can be used to verify the switch has switched correctly, or to monitor other parameters such as cross-talk.
公开/授权文献
- EP0813349B1 Optical transmission system 公开/授权日：2003-07-30
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