在前面研究了以太网安全交换技术的基础上，我们对安全交换机进行功能模块划分，实现了一个以太网安全交换的原型系统。
Based on the research of Ethernet security switch technology, we partitioned the security switch to several function modules, and implemented an Ethernet security switch prototype.
CBI与TCC、RBC间采用RJ45以太网连接，并且应用铁路信号安全通信协议，可以防止系统间网络渗透问题。
CBI and TCC, RBC using RJ45 Ethernet connection, and the application of railway signal safety communication protocol, can prevent network penetration between systems.
避免系统网络之间的相互渗透问题，尤其是通过以太网络对信号安全数据通信网的渗透问题。
To avoid the problem of mutual infiltration between the system network, especially through the Ethernet network of the signal safety data communication network.
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