Winfiol 7 Serial
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Every time you plug in a COM or USB device to your computer, the Plug-n-Play service on Windows creates a virtual COM port and assigns it to a device. COM is the name of the serial port interface and can refer to both physical ports (such as RS-232), and emulated ports created by USB (USB-to-UART, USB-to-COM), and Bluetooth adapters.
Many programs or devices require exclusive access to the serial port. Communication via a serial COM port means that only one application can control a serial device at a time. If the COM port is occupied by another application, then errors in the operation of various programs or drivers may occur due to a serial COM port locking conflict. 153554b96e