SDC/Security Door Controls 422U Push Button Controller

SDC/Security Door Controls 422U Controller

Overview

The SDC 422U is a push-button access control controller designed for single-door and multi-door installations. It operates on 24VDC and supports Open Supervised Device Protocol (OSDP) communication for secure credential verification. The unit accommodates both proximity readers and keypads, making it suitable for facilities requiring flexible authentication methods.

Compatibility

This controller integrates with NFC/13.56MHz credential systems and works with standard proximity and keypad reader hardware. OSDP support ensures encrypted communication with access control management systems, enabling it to fit within existing security infrastructure for integrators deploying multi-credential environments.