This system, being two VAX I hosts designed, respectively connects with communication transfer switch of S/ 3 system via RS-232 port and with communication concentrated module through modem. The communication network server can achieve the function of all files-in-share. 该系统有两台VAX主机,通过RS&232通信口与S/3系统的通信转换器相连,再经调制解调器与前置通信机相连,通过网络服务器实现文件共享。