Linear EP-ACM E3 Series Telephone Entry 2-Door Add on I/O Board for EN-EXN

Expand your access control footprint quickly and reliably with the Linear EP-ACM E3 Series Telephone Entry 2-Door Add-on I/O Board for EN-EXN. Designed for installers and security managers, this Linear add-on delivers immediate capacity for two additional doors and four readers so you can scale entry points without swapping core controllers. The package includes a 12V DC 5A power supply and USB cable to streamline setup and minimize on-site labor.

Built for indoor access control applications, the EP-ACM is fully compatible with Nortek Control EN-EXN expansion nodes, making it a practical choice for phased upgrades, multi-door projects, and telephone entry integrations. By extending reader capacity and door control, the module strengthens perimeter security, improves visitor management, and supports surveillance and monitoring workflows when paired with existing systems.

Choose the Linear EP-ACM to reduce installation time, lower project costs, and rapidly enhance security coverage. Add this I/O board to your next EN-EXN deployment to expand capacity and accelerate commissioning.

• Rapidly expand EN-EXN systems to support additional entry points without replacing existing controllers
• Adds 2 doors and up to 4 readers to scale access control and improve site security coverage
• Includes 12V DC 5A power supply and USB cable for faster installation and reduced field wiring time
• Compact E3 telephone entry I/O board simplifies integration with Nortek Control EN-EXN architectures
• Reduces downtime and installation complexity—ideal for retrofits, facility upgrades, and phased deployments