For new systems or plug-and-play upgrades to existing MR series controllers, the MR series 3 SIO modules by Mercury Security empower organizations to be ready for future business needs with open architecture, support for OSDP and Secure Channel Protocol, embedded crypto memory chip for a secured layer of encryption, and versatile interoperability, enabling seamless upgrades for existing deployments. The modules provide an evolution to both processor and memory, facilitating new applications from biometrics to FICAM.