论文部分内容阅读
文中介绍了上海市长途电信局研制使用的市话网—TELEX网接口设备,该设备可使用户电报从市话网传输,从而舍去了专线,适用于全国各省市电信局使用。
This paper introduces the local telephone network-TELEX network interface equipment developed by Shanghai Long-distance Telecommunications Bureau, which can transmit the user telegram from the local telephone network, thus discarding the private line and being suitable for the use by the telecommunication bureau of all provinces and cities in China.