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1. 发明授权

US06414765B1 Protection switch in a two-fiber optical channel shared protection ring 失效
标题翻译：保护开关在双光纤通道共享保护环
公开(公告)号：US06414765B1
公开(公告)日：2002-07-02
申请号：US09799374
申请日：2001-03-05
申请人： Ming Li , Mark Soulliere , Richard Wagner
发明人： Ming Li , Mark Soulliere , Richard Wagner
IPC分类号： H04B1008
CPC分类号： H04Q11/0062 , H04B10/032 , H04J14/0212 , H04J14/0283 , H04J14/0295 , H04Q2011/0081 , H04Q2011/0083 , H04Q2011/0092
摘要： A protection switch for use in a two-fiber optical channel shared protection ring is disclosed. It includes an electrical switching circuit coupled to an optical signal monitor. The electrical switching circuit includes modular switching fabrics that respond to fault condition alarms provided by the optical signal monitor. Each modular switching fabric is versatile in that it includes a ring switch mode responsive to the multi-wavelength channel failures, and a span switch mode responsive to the single wavelength channel failures. Because the switching fabric of the electrical switching circuit is comprised of the plurality of small modular switching fabrics, the possibility of incurring a single-point switching failure in the switching fabric is virtually eliminated. Further, each modular switching fabric can be easily replaced in the event of failure, without affecting the operation of other switch fabrics within the protection switch.
摘要翻译：公开了一种用于双光纤通道共享保护环的保护开关。它包括耦合到光信号监视器的电开关电路。电气开关电路包括响应由光信号监视器提供的故障状况报警的模块化交换结构。每个模块化交换结构都是通用的，因为它包括响应于多波长信道故障的环形开关模式，以及响应单波长通道故障的量程开关模式。由于电切换电路的交换结构由多个小型模块化交换结构组成，所以实际上消除了在交换结构中导致单点切换故障的可能性。此外，每个模块化交换结构可以在发生故障的情况下容易地更换，而不会影响保护交换机内其他交换结构的操作。

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