摘要
利用一台ＨＡＲＲＩＳ２０－２０程控数字交换机建立一个ＰＢＸ（专用小交换机）局域网，实现了某院各系办、计算机系各教研室、实验室之间的数据通信。系统主要功能有呼叫处理、查询处理、屏幕对话、文件传送、文件编辑及某单界面等。该系统运行正常，具有较强的实用价值。
A PBX (private branch exchange) local area network is built and the data communication among offices and laboratories is achieved by using a HARRIS 20-20. The main functions of this system include call processing, inquiry processing, screen dialogue, file transmission, file editor and menu processing, etc.The system is runing well and have a fairly good practical value.
出处
《长春邮电学院学报》
1996年第1期28-33,共6页
Journal of Changchun Post and Telecommunication Institute
关键词
电话交换机
数据通信
PBX
局域网络
Private branch exchanges
Local area networks
Modems
Data communications
