Keri Systems NXT-RM3 Reader Interface Module for Wiegand and MS Compatibility

Plug-on reader interface module that connects Wiegand output readers or MS Series proximity readers to NXT Controllers. Mounts directly on NXT Controllers, NXT4X4, or GIOX Input/Output Expansion Modules for flexible door-side or centralized deployment. Supports multi-format reader compatibility with industry-standard Wiegand output and legacy MS Series technology. Reduces wiring costs by enabling door functions to be positioned closer to readers while maintaining secure connections to centrally located controllers—requiring only 4 wires for remote installations. Delivers excellent mechanical and electrical integrity with secure plug-on connection. Ideal for access control systems requiring reader flexibility and cost-effective infrastructure expansion.