If you see in the web log "Power reset" logs and don't see many "Ignition turned off." and "Ignition turned on." messages that means that the unit was mounted after ignition.

If you see many "Ignition turned off." and "Ignition turned on." and don't see in the log "Power reset" logs when the terminal connects, that means that the unit was mounted directly to the power source and it went to an unstable state and that's why it is not online any more.

If you see in the log "Power reset" when the terminal was mounted and no "Power reset" messages after that it means that the unit wasn't mounted after ignition.

 The terminal should be mounted after ignition.