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2. USB-to-serial adapter - Wikipedia

   en.wikipedia.org/wiki/USB-to-serial_adapter

   FTDI US232R : USB to RS-232 cable. A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232, RS-485, RS-422, or TTL-level UART serial data.

3. Virtual COM port - Wikipedia

   en.wikipedia.org/wiki/Virtual_COM_port

   A software-based virtual serial port presents one or more virtual serial port identifiers on a PC which other applications can see and interact with as if they were real hardware ports, but the data sent and received to these virtual devices is handled by software that manipulates the transmitted and received data to grant greater functionality.

4. Direct cable connection - Wikipedia

   en.wikipedia.org/wiki/Direct_cable_connection

   A Direct Cable Connection dialog box on Windows 95. Direct Cable Connection (DCC) is a feature of Microsoft Windows that allows a computer to transfer and share files (or connected printers) with another computer, via a connection using either the serial port, parallel port or the infrared port of each computer.

5. WinUSB - Wikipedia

   en.wikipedia.org/wiki/WinUSB

   WinUSB is a generic USB driver provided by Microsoft, for their operating systems starting with Windows Vista but which is also available for Windows XP. It is aimed at simple devices that are accessed by only one application at a time (for example instruments like weather stations, devices that only need a diagnostic connection or for firmware upgrades).

6. USB communications device class - Wikipedia

   en.wikipedia.org/wiki/USB_communications_device...

   With a vendor-supplied INF file, Windows Vista works with USB CDC and USB WMCDC devices. [1] This class can be used for industrial equipment such as CNC machinery to allow upgrading from older RS-232 serial controllers and robotics, since they can keep software compatibility. The device attaches to an RS-232 communications line and the ...

7. Software flow control - Wikipedia

   en.wikipedia.org/wiki/Software_flow_control

   Software flow control is a method of flow control used in computer data links, especially RS-232 serial. It uses special codes, transmitted in-band, over the primary communications channel. These codes are generally called XOFF and XON (from "transmit off" and "transmit on", respectively). Thus, "software flow control" is sometimes called "XON ...

8. User-Mode Driver Framework - Wikipedia

   en.wikipedia.org/wiki/User-Mode_Driver_Framework

   User-Mode Driver Framework (UMDF) is a device-driver development platform first introduced with Microsoft's Windows Vista operating system, and is also available for Windows XP. It facilitates the creation of drivers for certain classes of devices.

9. COM (hardware interface) - Wikipedia

   en.wikipedia.org/wiki/COM_(hardware_interface)

   COM (communication port) [1] [2] is the original, yet still common, name of the serial port interface on PC-compatible computers. It can refer not only to physical ports, but also to emulated ports, such as ports created by Bluetooth or USB adapters.