Linear EXN-4MP eMerge Elite E3 Series 4-Door Expansion Node in Metal Enclosure with Power Distribution Module, Includes Reader Ports, Inputs, Outputs, Integrated Tamper Switch, and Optional PoE

Streamline and scale your access control deployment with the Linear EXN-4MP eMerge Elite 4-Door Expansion Node. This reader expansion node delivers immediate capacity for four additional doors while centralizing power distribution and reducing field wiring complexity—ideal for commercial, education, healthcare, and industrial sites that require reliable security and monitoring. Housed in a locking metal cabinet with an integrated tamper switch, the EXN-4MP protects critical components and helps maintain chain-of-custody for security hardware.

Built for practical integration, the unit provides 4 reader ports, 8 inputs and 8 output relays to handle door contacts, request-to-exit devices, alarms and auxiliary sensors. Optional PoE support and the on-board power distribution module simplify installations and lower total cost of ownership by minimizing separate power supplies. As part of the Linear eMerge Elite product line, the EXN-4MP ensures consistent communications, fast provisioning and compatibility with enterprise access control and surveillance systems. Upgrade your site security and monitoring capability—add the EXN-4MP expansion node to your eMerge Elite system today.

• Expand access capacity quickly: adds 4 reader ports to extend eMerge Elite systems for multi-door environments
• Simplifies installation: integrated power distribution module and optional PoE reduce conduit and separate power runs
• Secure, tamper-resistant design: locking metal enclosure with integrated tamper switch protects hardware and meets site security policies
• Flexible I/O for site integration: 8 programmable inputs and 8 relay outputs support alarms, monitoring, and third-party device control
• Enterprise-ready reliability: designed for seamless eMerge Elite integration to support scalable access control and surveillance deployments