摘要
本文介绍一种由微型计算机控制的纵横制用户交换机。这种交换机把HJ 905纵横制用户交换机的“标志器”和“记发器”改由计算机控制,其它部分保持不变。该设备除具备原机全部性能外,又增加了一些程控交换机的功能。
A microcomputer controlled crossbar PBX (private branch exchange ) is introduced in this paper.The marker and sender of the type HT905 of crossbar PBX are substiuted by microcomputer and the other parts are remaned. This PBX not only remains the original characteristics but also has several SPG (stored program controlled telephones exchange) characteristics.
出处
《吉林大学学报（信息科学版）》
CAS
1990年第4期9-19,共11页
Journal of Jilin University（Information Science Edition）
关键词
存储程序控制电话交换机
纵横制电话交换机
计算机控制
标志器
记发器
stored program controlled telephones switching system
crossbar systern automatic telephone exchange
computer control
markers
register
