DIN EN 50128/A2-2020 轨道交通. 通信、信号和处理系统. 铁路控制和保护系统软件; 德文版 EN 50128-2011/A2-2020
Railway applications - Communication, signalling and processing systems - Software for railway control and protection systems; German version EN 50128:2011/A2:2020
This amendment EN 50128:2011/A2:2019 includes general changes to EN 50128:2011. Furthermore at the end of the Introduction the following paragraph is added: This European Standard does not specify the requirements for the development, implementation, maintenance and/or operation