It introduces the functions and characteristics of railways telex automatic switch network, the volume control of telex network, operation guarantee of network and effects of network operation. 介绍了铁路电报自动交换网的功能特点,电报网的流量控制,网络运行保障及效果。
During the 30 years of hard working for TMIS, it has been gone through three stages: point to point/ terminal network of telex; special protocol network and open network. At last, the LAN covering all the country has been completed. 铁路计算机网络在近30年的建设过程中,历经点到点/电传终端网、专用协议网络和开放网络3个建设阶段,形成了全国规模的大型计算机网络。