# Shutdown of the system (OFF)

## OFF.CLSClose the desk (CLS)

OFF.CLS-[V].1Train specific clauses to indicate how to close the desk.

## OFF.PWRPower off the ETCS on-board (PWR)

OFF.PWR-[V].1Train specific clauses to indicate how to power off the ETCS on-board.

OFF.PWR.1When the ETCS on-board equipment is powered off, the mode changes to No Power (see NP - No Power (NP)).

OFF.CLS-[2230].1If an ATO communication session is ongoing, ATO-OB shall terminate the communication session with a given ATO-TS when the cab is closed.