SIGNAL+DRAHT | Ausgabe 10/2022
Upgrading ETCS on-board units in an Austrian vehicle fleet
An existing European Train Control System on-board unit ( ETCS OBU) has been upgraded from ETCS Baseline 2 (BL2) according to 2012/88/EU [1] to ETCS Baseline 3 Maintenance Release 1 (BL3MR1) according to (EU) 2016/919 [2] in just eight and a half months in close collaboration with the vehicle manufacturer. One very important requirement was that the vehicles should not be out of operation for any longer than necessary. The conversion, trial runs, verification and new authorisation of the prototype were also to be carried out as quickly as possible....