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USB RS232 Converter Cables
USB RS232 converter cables are a type of cable that allows you to connect a device with an RS-232 serial port to a computer with a USB port. RS-232 serial ports are commonly found on older computers and devices such as modems, serial printers, and handheld barcode scanners. The USB to RS232 cable converts the RS-232 serial signal to a USB signal that can be understood by the computer. This allows you to use your older devices with a newer computer.
USB RS232 converter cables typically have two pins:
TX (transmit): This pin carries data from the computer to the device.
RX (receive): This pin carries data from the device to the computer.