In the safe protection net (SPN) designed, the connection of the frontage control boxes and the center controlstation is accomplished by the communication net.
在设计的安全防护网络(SPN)中，前端控制箱与中央控制台之间的联系是由通讯网络来完成的。
2
In tire factory, the computer net work control mainly consists of net work servicer system, plant grade controlstation, department control station and site operating equipment.
It is made up of distributing network (INFI NET), process control unit(PCU), operator interface station (WSA), engineering work station (EWS) and computer interface unit (CIU).