The ATC-850 is an industrial high speed RS232 to USB adapter with support for RS422/RS485 to USB as well. The ATC-850 uses a DB9 male connector for RS232 and supports baud rates from 300 to 460K baud. The terminal block connector is used for the RS422 and RS485 interfaces and supports baud rates from 300 to 921K baud. The USB interface is 1.1 and 2.0 compatible and uses the FTDI high speed serial to USB chip.