Bộ chuyển đổi USB sang RS-232 3Onedata USB232
USB232 is a passive pocket USB to RS-232 interface converter, which can achieve bilateral switching of data between USB interface and RS-232 serial port without external power supply. The product supports 1 USB interface and 1 RS-232 serial port. Interface is equipped with 600W surge protection and 15kV electrostatic protection, which can effectively protect the device from damage
https://3onedata.com.vn/usb232/