{"product_id":"rosslare-mdd04b-b-series-four-reader-expansion-board-ac425bu-77ejlg","title":"Rosslare - MDD04B - B Series Four Reader Expansion Board - AC425BU","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eMD-D04B\u003c\/strong\u003e 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\u003cbr data-mce-fragment=\"1\"\u003eadditional readers or keypad inputs, four relay outputs, and four supervised inputs to the access control panel.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdditional four proximity readers or keypads\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFour relay outputs and four supervised inputs to the access control panel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWiegand or Clock-and-Data transmission keypad or biometric reader compatibility\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLED status feedback for 12 V power and relay activation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCost effective and modular installation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with Rosslare’s AC-425 networked controller\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInput and output configurability using Rosslare’s AxTraxNG software\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e 12 VDC from a host controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eInput Current\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003eStandby: 30 mA\u003cbr\u003eMaximum: 135 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eNumber of Reader Ports\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eOutput Relays\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e4 x 5 A with N.O., N.C. and COM contacts Form-C Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eInputs Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e5 VDC maximum voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eLED Control Output\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003eOpen collector, active low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003ePower LED\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003eActive when mounted correctly on the host controller (AC-425)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eOutput LEDs\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003eFour LEDs; Each output LED is active when an output relay is\u003cbr\u003eactivated and N.O. to COM contacts are shorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e115 x 75.9 x 32.5 mm (4.52 x 2.98 x 1.28 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1449%;\"\u003eManufacture Warranty\u003c\/td\u003e\n\u003ctd style=\"width: 73.6716%;\"\u003e2-Year Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDownloads:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0052\/5395\/5651\/files\/MD-D04B-Datasheet.pdf?v=1638375036\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003eData Sheet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Rosslare","offers":[{"title":"Default Title","offer_id":52457848111324,"sku":"ROS-MD-D04B","price":98.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0047\/9196\/files\/ghb7zwq3bo5v_5c215c0b-267e-41de-97ac-ff8fb72760fa.jpg?v=1788790108","url":"https:\/\/uhshardwares.com\/products\/rosslare-mdd04b-b-series-four-reader-expansion-board-ac425bu-77ejlg","provider":"UHS-hardware","version":"1.0","type":"link"}