{"product_id":"md-d02-u-two-reader-expansion-board-access-control-module-copy","title":"MD-D04 AC425 Four Reader Expansion Board Access Control Module","description":"\u003cp\u003eThe MDD04 AC425 four reader expansion board enhances access control capabilities for commercial and secured environments. Designed to support four readers, four doors, relay outputs, and supervised inputs, this expansion module improves scalability and installation flexibility. Compatible with keypad, biometric, and reader technologies, it delivers reliable communication and configurable input output settings through management software. Compact construction and status indicators help simplify deployment while supporting dependable performance for advanced security system applications.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSupports four readers and four door connections\u003c\/li\u003e\n  \u003cli\u003eCompatible with keypad and biometric technologies\u003c\/li\u003e\n  \u003cli\u003eFour relay outputs with supervised inputs\u003c\/li\u003e\n  \u003cli\u003eStatus indicators simplify installation monitoring\u003c\/li\u003e\n  \u003cli\u003eCompact design for scalable security systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rosslare","offers":[{"title":"Default Title","offer_id":44197921390628,"sku":null,"price":273.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/6351\/8500\/files\/MD-D04AC425FourReaderExpansionBoardAccessControlModule.png?v=1779368511","url":"https:\/\/activeproaero.com\/products\/md-d02-u-two-reader-expansion-board-access-control-module-copy","provider":"Active-Pro Aero","version":"1.0","type":"link"}