利用DTX提供了光纤链路的性能和安装质量，纤维长度，快速验证在多个波长的光损耗测量和极性确认。

The DTX provides quick validation of fiber link performance and installation quality, fiber length, measurement of optical loss at multiple wavelengths, and polarity confirmation.

youdao

经全双工(双向同时)数据链路，不用专门(确认)报文返回确认信息所用的技术。

A technique used to return acknowledgement information across a full-duplex (two-way simultaneous) data link without the use of special (acknowledgement) message.

youdao

经全双工(双向同时)数据链路，不消专门(确认)报文返回确认信息所用的技巧。

A technique used to return acknowledgement information across a full-duplex (two-way simultaneous) data link without the use of special (acknowledgement) message.

youdao