If data backup is required, connect the backup device to the storage server using an extra copper or fiber link.

如果需要数据备份，请用额外的铜缆或光纤链路把备份设备连接到存储服务器。

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Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.

提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。

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