High Sec Labs SM40N-4 4-Port Secure KM Switcher PP4.0 / CAC Port / USB KM / Multi-Display Support

Description

The SM40N-4 is a NIAP Common Criteria PP4.0 certified secure KM switch designed to provide hardware-enforced isolation between up to four connected systems. It allows a single keyboard and mouse to control multiple computers while keeping inputs and data paths separated for security-conscious environments. The unit supports CAC authentication and secure audio handling for controlled peripheral sharing.

Key capabilities include seamless cursor-based switching, dedicated CAC port support, and shared USB keyboard and mouse connectivity. The SM40N-4 can handle multi-display configurations and provides explicit isolation to meet Protection Profile 4.0 requirements. Audio can be managed during switching to prevent unintended data leakage and to maintain security policies.

Technically, the switch supports four independent sources and uses USB Type A and USB Type B connections for keyboard and mouse peripherals. The device operates from a 12VDC 1.5A external power supply and accepts 100 to 240V AC input. It is rated for operation between 32°F and 104°F and offers a 10 year product life-cycle with a two year warranty.

Connectivity includes USB KM ports, a dedicated CAC port, and audio support as specified by model variants. The SM40N-4 is compatible with Windows, Linux, and Mac operating systems and meets multiple regional certifications including CE, FCC class B, RCM, VCCI, TUV US, and TUV Canada. The unit is also manufactured to BAA and TAA compliance requirements.

Typical deployments include government control rooms, defense operations centers, and secure enterprise facilities where consolidated peripheral control with strict isolation is required. The device reduces peripheral clutter while maintaining separate displays and input domains for each host system. Its certified security posture makes it suitable for classified or sensitive operations where protection profiles are enforced.

Installation and daily use are straightforward – mount or place the unit on a desk, connect the USB and display interfaces, and apply the external power supply. Cursor-based switching requires minimal configuration and the unit supports multi-monitor setups when drivers are installed on Windows hosts. The SM40N-4 is built for reliability with tested environmental tolerances and industry certifications that support long-term secure operation.