Suprema SIO2(UL) Compact Secure Single Door I-O Module

Secure single-door control and reliable I/O expansion are simple with the Suprema SIO2(UL) Compact Secure Single Door I-O Module. Designed as a compact access controller module, the SIO2(UL) delivers encrypted communication that protects access events and credentials while integrating seamlessly with access control panels, surveillance systems and building monitoring platforms. Its small physical footprint (approx. 2.55" H × 1.41" W × 0.708" D) and 12V DC input make it ideal for constrained enclosures and retrofit projects, reducing installation time and cost. UL listing and broad certifications (CE, FCC, RoHS, REACH, WEEE) provide the compliance and reliability required for commercial, retail, and data center deployments. Whether you need a secure door I/O expansion point or a dedicated single-door controller, the Suprema SIO-2 offers plug-and-play integration for modern security architectures. Add the SIO2(UL) to your control panel modules to enhance monitoring, strengthen physical security, and streamline system management — perfect for IT, security integrators, and facilities teams looking to upgrade access control quickly.

• Harden enterprise-grade security with encrypted communication to protect access events and credentials
• Compact, UL-listed single-door I/O module that simplifies door control and I/O expansion in tight panel spaces
• Low-voltage 12V DC operation and small footprint reduce installation time and lower system costs
• Plug-and-play integration with existing access control and surveillance systems for streamlined monitoring
• Regulatory compliance (CE, FCC, RoHS, WEEE, REACH, UL) for reliable deployment in commercial and critical environments