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东北工学院实验性局部地区微型机网络是由三个用户结点、一个共享打印机结点组成的单向环形网络。网络参考ISO 的OSI 层次结构模式组网。在低层次,它分成物理层、链路层和网络传送层。物理层采用
Northeastern Institute of Experimental local micro-computer network is composed of three user nodes, a shared printer node composed of one-way ring network. Network Reference ISO OSI Hierarchy Mode Networking. At the lower level, it is divided into the physical layer, the link layer and the network transport layer. Physical layer used