The rooftop on-board system installed on the car is permanently installed and the in-vehicle system is removable.. During the OCS inspection, it is performed by setting the in-vehicle system and the inspection is conducted during the out-of-service operation. During the normal service operation, the in-vehicle system is removed and the car can be used as a normal commercial service car. It is possible to reduce introduction costs because purchasing an expensive dedicated car for measurement is not required.

• This OCS Inspection System can be installed on a currently owned commercial trains.
• During non-measuring time, the car can be effectively used as a commercial service car.
• Measurement during business hours is possible by using the out-of-service operation.