4 Reader Expansion Module for AC-425x-B Networked Access Control Panels

Rosslare’s MD-D04B 4-reader expansion module is designed with a focus on high quality and reliability and is ideal for residential and commercial applications. Easy to install and operate, the MD-D04B expansion board features state-of-the-art supervised communications with the controller. The expansion board adds four reader ports, four additional readers or keypad inputs, four relay outputs, and four supervised inputs to the access control panel.

Features:

• Additional four 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
• Compatible with Rosslare’s AC-425 networked controller