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。

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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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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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