These converters change Ethernet twisted pair copper wires into fiber optic signals.

转换器可以转换双绞铜线为光纤维信号。

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Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…

在系统主干线通道上采用光纤通信方式，对于分支通信采用屏蔽双绞线以RS-485方式通信，并对网络体系结构作了详细的描述。

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HDSL is a new high-speed data transport technology realized over twisted-pair wires and is known as "copper optical fiber."

高比特数字用户环路(HDSL)技术是一种新的在双绞铜线上实现高速数据传输技术，有“铜光纤”之称。

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