{"product_id":"rosslare-md-d04b-four-reader-expansion-board","title":"Rosslare MD-D04B Four Reader Expansion Board","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ROSSLARE MD-D04B 4-reader expansion module is designed for residential and commercial applications. It adds four reader ports, four additional readers or keypad inputs, four relay outputs, and four supervised inputs to the access control panel. It features supervised communications with the controller and is easy to install and operate.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdds four reader ports, four relay outputs, and four supervised inputs.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Wiegand or Clock-and-Data transmission keypad or biometric readers.\u003c\/li\u003e\n  \u003cli\u003eOffers LED status feedback for 12 V power and relay activation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThe MD-D04B expansion board enhances access control with additional reader ports, relay outputs, and supervised inputs, fully integrating with AxTraxNG software.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ROSSLARE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MD-D04B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 12 VDC from a host controller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Current\u003c\/strong\u003e: Standby: 30 mA\nMaximum: 135 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Reader Ports\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Relays\u003c\/strong\u003e: 4 x 5 A with N.O., N.C. and COM contacts Form-C Relays\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInputs Voltage\u003c\/strong\u003e: 5 VDC maximum voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Control Output\u003c\/strong\u003e: Open collector, active low\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower LED\u003c\/strong\u003e: Active when mounted correctly on the host controller (AC-425)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput LEDs\u003c\/strong\u003e: Four LEDs; Each output LED is active when an output relay is\nactivated and N.O. to COM contacts are shorted\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"ROSSLARE","offers":[{"title":"Default Title","offer_id":50996752220466,"sku":"MD-D04B","price":338.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/297723299.webp?v=1774023440","url":"https:\/\/voomisupply.com\/products\/rosslare-md-d04b-four-reader-expansion-board","provider":"Voomi Supply","version":"1.0","type":"link"}