2-Reader Expansion Module for AC-225x-B Control Panel Rosslare’s MD-D02B is a plug-in expansion module for Rosslare’s AC-225x-Baccess control panels that provides a 2-reader interface, 4 supervised inputswith end-of-line (EOL) resistor protection, and 4 relay outputs (5 Amp Form-CN.O./N.C.) to the panel. Installation of the module takes under one minutewith the tailored expansion port in the panels and auto-recognize by thepanel. Once it is installed and the panel is powered on, the expansion isrecognized by the AxTraxNG server, and the MD-D02B can be programmed foraccess control and automation. Advanced communication with the controllerallows for firmware updates and real-time event logging, with support for fulloffline operation by the host panel. Model: MD-D02B Main Features: Additional two proximity readers or keypads Four relay outputs and four supervised inputs to the access control panel Wiegand or Clock-and-Data transmission keypad or biometric reader compatibility LED status feedback for 12 V power and relay activation Cost-effective and modular installation Input and output configurability using Rosslare’s AxTraxNG™ software Downloads Rosslare Access Controller Expansion Board, MD-D02B Datasheet 🔒 Shop at CTC Communications for the best deals on genuine Rosslare security products – your trusted partner in professional access control solutions. You can find firmware updates and product documentation at rosslaresecurity.com.