摘要
简要叙述了铁路分组交换网与电话网、其他分组交换网及因特网互联的情况。
The connection between the railway packet switching network and PSTN(public switched telephone network), other packet switching network and Internet are introduced in this paper.
出处
《铁道通信信号》
1998年第10期26-28,共3页
Railway Signalling & Communication
