Crossbar dial telephone switching system
Crossbar dial telephone switching system
复制标题
纵横拨号电话交换系统
DOI：
--
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发表时间：
1939
影响因子：
1.8
通讯作者：
J. N. Reynolds
中科院分区：
文献类型：
--
作者：
F. J. Scudder;J. N. Reynolds
本文的目的是简要介绍贝尔系统最近为大城市使用而开发的纵横制拨号电话中心局交换系统。16年前，也就是1923年2月，由贝尔系统的E.B.克拉夫特、L.F.莫尔豪斯和H.P.查尔斯沃思在研究所面前宣读了一篇论文，概述了电话中心局交换的历史和涉及的问题，并描述了刚刚开发并正在大城市引入的面板拨号中心局系统。第一个这种类型的中心局于1921年12月投入使用，自那时以来，已在全国26个不同的城市安装了456个面板拨号局，为近450万个用户站提供服务。在这些年中，为了使其更便于电话公众使用并解决出现的新问题，对面板系统进行了许多改进，但此外，贝尔系统的工程师们继续寻找新的和更好的方法来满足电话交换的需求。这项工作的结果是采用了纵横式中心局交换设备。1938年期间，两个这种类型的办公室成功投入使用，其他办公室正在制造和安装过程中。
IT IS the purpose of this paper to describe briefly the crossbar dial-telephone central-office switching system which has recently been developed by the Bell System for use in large cities. Sixteen years ago, in February 1923, a paper was read before the Institute, by E. B. Craft, L. F. Morehouse, and H. P. Charlesworth of the Bell System, which outlined the history and the problems involved in telephone central-office switching and described the panel dial central-office system which had just been developed and was being introduced in the large cities. The first central office of this type was placed in service in December 1921, and since that time 456 panel dial offices serving nearly 4 1/2 million subscriber stations have been installed in 26 different cities throughout the country. During these years many improvements have been made in the panel system to make it more serviceable to the telephone public and to meet the new problems which have arisen, but in addition, the engineers of the Bell System have continued their search to find new and better means for meeting telephone switching demands. This work has resulted in the adoption of the crossbar-type central-office switching equipment. Two offices of this type were placed in successful operation during 1938 and others are in process of manufacture and installation.