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公开(公告)号：US09197347B2
公开(公告)日：2015-11-24
申请号：US13612745
申请日：2012-09-12
IPC分类号： H04J14/02
CPC分类号： H04J14/0204 , H04J14/0212 , H04J14/0217 , H04J14/0267 , H04J14/0269 , H04J14/0275 , H04J14/0283 , H04J14/0294
摘要： A noise suppression method is used in an optical transmission system which includes node equipments transmitting a WDM optical signal. First node equipment drops a first optical signal from the WDM optical signal. The method includes: transmitting a failure signal that specifies the first optical signal from second node equipment to the first node equipment via a first route when the second node equipment arranged on the first route for transmitting the first optical signal to the first node equipment has detected a failure of the first optical signal; transmitting a shutoff signal that specifies the first optical signal from the first node equipment toward the second node equipment via the first route; and shutting off an optical output of a wavelength corresponding to the first optical signal in third node equipment that has relayed the failure signal and has received the shutoff signal.
摘要翻译： 在包括发送WDM光信号的节点设备的光传输系统中使用噪声抑制方法。 第一节点设备从WDM光信号中丢弃第一光信号。 该方法包括：当布置在用于向第一节点设备发送第一光信号的第一路由上的第二节点设备已经检测到时，经由第一路由将从第二节点设备指定第一光信号的故障信号发送到第一节点设备 第一光信号的故障; 经由所述第一路由从所述第一节点设备向所述第二节点设备发送指定所述第一光信号的关闭信号; 并且在已经中断了故障信号的第三节点设备中关闭与第一光信号对应的波长的光输出并且已经接收到关断信号。
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公开(公告)号：US20130071104A1
公开(公告)日：2013-03-21
申请号：US13612745
申请日：2012-09-12
IPC分类号： H04J14/02
CPC分类号： H04J14/0204 , H04J14/0212 , H04J14/0217 , H04J14/0267 , H04J14/0269 , H04J14/0275 , H04J14/0283 , H04J14/0294
摘要： A noise suppression method is used in an optical transmission system which includes node equipments transmitting a WDM optical signal. First node equipment drops a first optical signal from the WDM optical signal. The method includes: transmitting a failure signal that specifies the first optical signal from second node equipment to the first node equipment via a first route when the second node equipment arranged on the first route for transmitting the first optical signal to the first node equipment has detected a failure of the first optical signal; transmitting a shutoff signal that specifies the first optical signal from the first node equipment toward the second node equipment via the first route; and shutting off an optical output of a wavelength corresponding to the first optical signal in third node equipment that has relayed the failure signal and has received the shutoff signal.
摘要翻译： 在包括发送WDM光信号的节点设备的光传输系统中使用噪声抑制方法。 第一节点设备从WDM光信号中丢弃第一光信号。 该方法包括：当布置在用于向第一节点设备发送第一光信号的第一路由上的第二节点设备已经检测到时，经由第一路由将从第二节点设备指定第一光信号的故障信号发送到第一节点设备 第一光信号的故障; 经由所述第一路由从所述第一节点设备向所述第二节点设备发送指定所述第一光信号的关闭信号; 并且在已经中断了故障信号的第三节点设备中关闭与第一光信号对应的波长的光输出并且已经接收到关断信号。
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