The AHEB-0808, a versatile and scalable I/O Expansion Board from the AHEB series, is designed to seamlessly integrate with access control systems for unlimited scalability and enhanced security. Its robust cybersecurity measures, including AES128/TLS 1.2 (AES256) encryption and HTTPS/TLS1.2 (AES256 or above) encryption for server-client communication, ensure your data is always protected, instilling a sense of trust and security.


  • Universal voltage input range: 9V to 24V DC
  • Four-state supervised inputs for low resistance detection (5% Ohms)
  • Separate REX input management and fire alarm inputs
  • Isolated microchips for reliable operation in extreme conditions
  • Tamper-proof enclosure enhances security by preventing unauthorised access to internal components and wiring.
  • Dual power supply Inputs provide redundancy and ensure uninterrupted operation in case of power supply failure or maintenance.
  • Dynamic load balancing optimises performance by intelligently distributing the workload across inputs and outputs, maximising system reliability and efficiency.
  • User-configurable input/Output modes allow customization of input/output functionality to suit specific application requirements.
  • Real-time monitoring and Alerting provide continuous monitoring of system status and generate alerts in case of anomalies or malfunctions.
  • Supports upto 400,000 users and 50,0000 biometrics templates

Technical Specs:

  • Supports up to 388 inputs or 196 outputs with a single AHDU controller
  • Up to 12,801 inputs or outputs when used with AHSC-1000/AHDU series controllers
  • RESTful-based API for seamless integration with third-party software via Armatura One service
  • OSDP V2.2 over RS-485 with AES128/TLS 1.2 (AES256) encryption
  • HTTPS/TLS1.2 (AES256 or above) encryption for server-client communication
  • EAL6+-certified crypto chip for storage and cryptographic applications
  • Operating temperature range: -20°C to 55°C (-4°F to 131°F)
  • Relative humidity tolerance: up to 95% RHNC
  • Compact and durable design, CE, FCC, RoHS, and UL294 certified