Abstract: With the development of Chinese EMU (Electric Multiple Units) technology,the trend of Chinese high-speed rail going overseas become more and more obvious. The high speed train industry need to implement a series of standard internationalization as soon as possible. The author describes the device distribution of TCMS architecture and presents the origin of inconsistent TCMS device names. Our purpose is to advance the processing of terminology standardization in rail transit industry.

Key words: EMU(Electric Multiple Units), TCMS(Train Control and Management System), bus, term standardization