Keyscan USB-SER USB Communication Adapter

Compact USB communication adapter that converts RS-232 and RS-485 serial signals for seamless system connectivity. Powered directly through your computer's USB port—no external power needed. Perfect for technicians, field demonstrations, and setups where serial ports are unavailable. Supports USB 1.1 and 2.0 standards. Includes a 6ft extension cable for flexible positioning. Clear plastic housing lets you monitor TX and RX LED activity. Ideal for single access control unit programming and laptop-based control applications.