Belkin's Advanced Secure DVI-I KVM Switch offers superior security & data protection by providing true data path isolation between systems & networks. It is fully compatible with legacy & new government systems & exceeds NIAP security requirements. Using uni-directional data paths with optical diodes, it prevents peripherals from being used to leak information from one computer system to another. Additional security is provided through its end-to-end tamper-proof system that prevents physical tampering, & its intuitive user interface reduces user-switching errors by providing clear identification. Expect the best compatibility out-of-the-gate with a Secure KVM solution that's designed & vigorously tested to work seamlessly with common systems & peripherals used by the defense & intelligence community. Models F1DN102C & F1DN104C feature support for a peripheral CAC reader.