2.3.5.2 Data InterfaceThe system shall send and receive all data to ensure functional integration into the vehicle including diagnostics and condition based maintenanceBandwidth requirements for the systems functions shall be submitted to BTThe data interface will be more detailed during the design phase and is subject of special interface test with the TCMS simulator at BT side as well as with system simulator on supplier sideFor the system a complete function test at supplier site is requiredThe system with network interface to TCMS shall send and receive all data to ensure functional integration inside the vehicle