AFI MR-81-280 8-Channel Contact Module Receiver, Signal Receive, Non-Latching Relays

Enable dependable remote monitoring of alarm and access control contacts with the American Fibertek AFI MR-81-280 8-Channel Contact Module Receiver. This SFP-style receiver aggregates eight dry, Form-C contact closures over multimode fiber, giving security and surveillance integrators a compact way to extend contact closure I/O across campus or between buildings. Non-latching relay outputs follow input state in real time and revert to their normally open or closed positions if DC power or the optical link is lost — a predictable fail-safe behavior that preserves alarm integrity. The MR-81-280 includes on-board diagnostics: channel LEDs, power and optical presence indicators help technicians verify operation quickly and reduce mean time to repair. A high-density DB26 connector with a screw-terminal adapter simplifies wiring to alarm panels, controllers, and other monitoring equipment. Designed for low maintenance with no field adjustments, this American Fibertek receiver is ideal for access control, perimeter intrusion, and remote I/O monitoring. Contact our sales team to specify the MR-81-280 for your next security or surveillance fiber deployment.

• Consolidate eight dry contact inputs onto a single fiber link to simplify cabling and reduce installation cost
• Non-latching relays with predictable fail-safe defaults protect system integrity if power or optical link is lost
• Built-in LEDs and diagnostics speed troubleshooting and reduce on-site maintenance time
• High-density DB26 connector with screw-terminal adapter enables fast integration with alarm panels and access control systems
• Rugged, no-adjustment design delivers reliable, low-maintenance monitoring for security and surveillance applications