The CAS Interface 2 USB Windows driver is a driver used to connect a CAS Interface 2 device to a Windows computer via USB. CAS Interface 2 is typically used in specialized applications, such as smart card readers or communication with embedded systems, often in security, access control, or telecommunications contexts. The driver enables the communication between the device and the computer via USB, allowing software on the computer to interact with hardware connected through the CAS Interface 2.

The CAS Interface 2 is often used to facilitate the communication between smart card systems, encryption hardware, or other specialized devices that require USB connectivity for data transmission.