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    • 91. 发明授权
    • Optical network system and WDM apparatus
    • 光网络系统和WDM设备
    • US08731398B2
    • 2014-05-20
    • US13421327
    • 2012-03-15
    • Yuji AkiyamaKazuo KuboSota Yoshida
    • Yuji AkiyamaKazuo KuboSota Yoshida
    • H04B10/00
    • H04J3/14H04J3/1611H04J2203/006
    • An optical network system that performs transmission of N:1 protection includes a node that includes transmission-side operating muxponders that multiplex client signals for every M-channel signal bundle and convert multiplexed signals into optical signals having different wavelengths, transmission-side optical couplers that branch the client signals into two channels of operating and redundant, transmission-side optical switches each selecting one channel from redundant signals as a redundant client signal, and a transmission-side redundant muxponder that performs a predetermined transmission-side process according to an accommodation mode set on the redundant client signal and then multiplexes the redundant client signals, converts the multiplexed signal into an optical signal having a wavelength different from that of the operating signal, thereby making the accommodation mode settable for each channel in an independent manner.
    • 执行N:1保护的传输的光网络系统包括:节点,其包括传输侧操作的多路复用应答器,其将每个M信道信号束的客户信号复用并将多路复用信号转换成具有不同波长的光信号;传输侧光耦合器, 将客户端信号分为两个通道的操作和冗余的发送侧光交换机,每个从冗余信号中选择一个信道作为冗余客户端信号;以及发送侧冗余复用应答器,其根据调节模式执行预定的发送侧处理 设置在冗余客户端信号上,然后复用冗余客户端信号,将多路复用信号转换成具有与操作信号波长不同的波长的光信号,从而以独立的方式使每个信道的调节模式可设置。