Aiphone AC-2DE AC Series 2-Door Expander Board, 12V DC from Main Board

Built for installers and security managers who need reliable, scalable door control, the Aiphone AC-2DE access control expander board extends your ACS-2DR starter kit to support additional entry points without complex reconfiguration. This indoor-rated control panel board adds two card reader inputs, six digital inputs and four solid-state dry contact relays while providing two integrated 12V DC lock power outputs — enabling streamlined locking, monitoring and integration with existing surveillance and security systems. Communicating over RS485 and compatible with standard PRS-Strip wiring, the AC-2DE reduces installation time and cabling complexity for IT and facilities teams. Built-in ADA opener sequencing and key-switch alarm integration simplify compliance and emergency access handling, while TAA/NDAA compliance makes it suitable for government and enterprise deployments. Ideal for office buildings, schools and multi-tenant facilities, the Aiphone AC-2DE helps you scale access control, improve monitoring and maintain system reliability. Contact your reseller or add the AC-2DE to your ACS-2DR configuration to expand capacity and strengthen site security.

• Scalable expansion: add up to three AC-2DE modules to grow an ACS-2DR system to eight doors without redesigning your access control architecture
• Simplified integration: two card reader inputs and RS485 communications make wiring and networked control fast and reliable for security teams
• Reliable locking support: two integrated 12V DC lock power outputs and four solid-state dry contact relays provide dependable door control for heavy-use environments
• Enhanced monitoring & response: six digital inputs plus ADA opener sequencing and key-switch alarm integration streamline monitoring and emergency workflows
• Compliance-ready hardware: TAA and NDAA compliance ensures suitability for government and enterprise procurement programs