The DIGI9652 Windows driver refers to the software used to enable communication between a Digi International 9652 device (often a serial communications card or serial port interface card) and a Windows computer. Digi International is known for producing industrial communications equipment, including serial port cards, USB-to-serial adapters, and embedded systems.

The DIGI9652 specifically could be a model number for one of Digi's serial interface cards, such as a PCI or PCIe serial card, which provides multiple RS-232/RS-485/RS-422 serial ports to a computer. These types of cards are often used in industrial control systems, point-of-sale (POS) systems, networking hardware, and other applications that require communication over serial interfaces.