Line coding is an important step in the design of full-duplex transmission system to support ISDN subscriber line basic access.
在ISDN用户线基本接入全双工传输系统的设计中，线路编码是重要的一步。
Full duplex Multiple line Control station?
全双工多线路控制站f MC ？
Just a foot switch can automatically duplex bit of punching and Chongxu line operation.
只需一个脚踏开关即可自动完成双工位的冲孔及冲虚线条操作。
Santa cutie, fill my stocking with a duplex and cheques. Sign your X on the line;
圣诞可爱， 在我的圣诞袜里塞满套楼公寓和支票。 把你的名字签好。
Topology line through the built-in switch or topology star through external switch, and this coupler has performance of auto-negotiation, auto-cross and full-duplex.
可通过内置交换机进行线形布线或外置交换机进行星型布线，并且具有自动协商、自动交叉和全双工的性能。
Topology line through the built-in switch or topology star through external switch, and this coupler has performance of auto-negotiation, auto-cross and full-duplex.
可通过内置交换机进行线形布线或外置交换机进行星型布线，并且具有自动协商、自动交叉和全双工的性能。
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