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公开(公告)号：EP1317084A2
公开(公告)日：2003-06-04
申请号：EP02257401.6
申请日：2002-10-24
发明人： Bryant, Andrew J. , Gibbon, Mark , Bruce, Paul A. , Agnew, Martin
CPC分类号： H04B10/2939
摘要： An optical amplifier arrangement comprises a splitter for providing an input WDM optical signal on at least first and second output paths. An optical amplifier is provided in at least one of the paths, and a signal routing arrangement is provided for routing individual channels or groups of channels of the WDM signal within the at least one of the paths. A switch selects the signal from one of the at least first and second output paths. In this arrangement, there are two paths between the input and output. Whilst one path is being used, the components in the other path can be upgraded. For example, a switching arrangement may be provided in the other path, and an amplifier may also be upgraded, without disrupting service in the path in use. This enables an amplifying node within an optical communications system to be incrementally upgraded.
摘要翻译： 光放大器装置包括一个分离器，用于在至少第一和第二输出路径上提供输入WDM光信号。 在至少一个路径中提供光放大器，并且提供信号路由布置用于在至少一个路径内路由WDM信号的各个信道或信道组。 开关从至少第一和第二输出路径中的一个选择信号。 在这种布置中，输入和输出之间有两条路径。 虽然正在使用一条路径，但可以升级其他路径中的组件。 例如，可以在另一路径中提供切换装置，并且还可以升级放大器，而不会中断在使用中的路径中的服务。 这使得光通信系统内的放大节点能够逐渐升级。
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公开(公告)号：EP1317084A3
公开(公告)日：2005-06-08
申请号：EP02257401.6
申请日：2002-10-24
发明人： Bryant, Andrew J. , Gibbon, Mark , Bruce, Paul A. , Agnew, Martin
CPC分类号： H04B10/2939
摘要： An optical amplifier arrangement comprises a splitter for providing an input WDM optical signal on at least first and second output paths. An optical amplifier is provided in at least one of the paths, and a signal routing arrangement is provided for routing individual channels or groups of channels of the WDM signal within the at least one of the paths. A switch selects the signal from one of the at least first and second output paths. In this arrangement, there are two paths between the input and output. Whilst one path is being used, the components in the other path can be upgraded. For example, a switching arrangement may be provided in the other path, and an amplifier may also be upgraded, without disrupting service in the path in use. This enables an amplifying node within an optical communications system to be incrementally upgraded.
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