End-of-Train and Head-of-Train Remote Linking Protocol | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-25-191-10

https://twitter.com/home/status/1943894709790720166

https://twitter.com/home/status/1943991981971005943

https://twitter.com/home/status/1944012976631038380