The design methods given here have been successfully implemented in a Chinese-developed SPC digital telephoneswitching system.
本文所讨论的设计方法已成功地应用于国产程控数字电话交换机。
2
The development trends of integrated circuits used in SPC telephoneswitching systems, system architecture, features and requirements of the switching systems are discussed.
本文对程控数字电话交换机所用的集成电路器件,交换机的系统结构以及性能要求的发展趋势进行了讨论。
3
This article is proposed to develop a new type of digit programme-controlled telephoneswitching board which is based upon the CAN bus to replace the old automatic telephone switchboard.