1, device connection mode: GT 1000 COM port of touch screen communication can be connected through serial port or USB interface. If you use serial connection, you need to select the available COM slogan; If you use USB connection, the system will automatically assign COM slogans.
2. Operating system support: Different operating systems will give different names to COM ports. For example, the Windows operating system will name the serial port COM 1, COM2, etc. , and Linux system will name the serial port as /dev/ttyS0, /dev/ttyS 1 and so on. When choosing a COM port, you need to choose it according to the naming rules of the operating system.
3. Driver support: Make sure the appropriate driver is installed. Some devices 1 need to install specific drivers to work properly. Before selecting the COM port, please check whether the driver provided by the device manufacturer is suitable for the operating system version and install it according to the instructions.
COM port (communication port) is the interface of computer serial communication, which is used to connect external devices, such as serial printer, modem, touch screen and so on. COM port is named after COM 1 and COM2, of which COM 1 is the most commonly used default serial port.