1. EN 50126:2017 EN 50129:2018 Railway applications – Communications, Signaling and processing systems – Safety related electronic systems for signaling (2018)
2. EN 50129:2018 Railway applications – Communications, Signaling and processing systems – Safety related electronic systems for signaling (2018)
3. EN 62439 series. Industrial communication networks – High availability automation networks Part 1–7
4. Hirschmann/Belden: WP1003-White paper. Media Redundancy Concepts. High availability in Industrial Ethernet.
http://belden.picturepark.com/Website/Download.aspx?DownloadToken=b427cf97-d5bc-4628-b41a-57d3d2eca706&Purpose=AssetManager&mime-type=application/pdf
. Accessed 14 Dec 2019
5. Kirrmann, H., Dzung D.: Selecting a standard redundancy method for highly available industrial networks. In: Proceedings of 2006 WFCS, IEEE International Workshop on Factory Communication Systems, pp. 387–394 (2006)