I/O Expansion Panel Access control I/O expansion panel with: 16 high-precision supervised inputs 8 Form-C relay outputs for auxiliary device and zone control Equipped with advanced filtering to minimize false alarms Secure serial communication with NOP Series IC controllers Encrypted data transfer Advanced access control abilities Elevator support Power input: 12/24VDC Enclosure-mount form factor design This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.