... providing a simple solution for updating RS-232 designs to USB using a minimum of components and PCB space. The ... RS-232 designs, all that is required to update the design from RS232 to USB to replace the RS232 level-translator with the ... USB converter cables: usb to RS232, USB UART TTL 3.3v level and USB UART TTL 5v level. USB RS485 to RJ11, RJ45 cables, USB RS422 cables, USB Parallel cables, USB to ...