7 interfaces over USB ====================== - 1 CAN - 3 RS-485 - 2 or 1 RS-232 - 1 SSI or 1 RS-422 (in this case 1 RS-232) Inner USB interfaces (IFx): 1..3 - RS-485 (1..3) 4 - RS-232 (1) 5 - RS-232 (2) or RS-485 6 - CAN 7 - SSI (over SPI) or configuration interface (if "Config mode" jumper shortened)