{"product_id":"simplex-565-143","title":"Simplex 565-143 Internal Interface Board for 4100 Fire Alarm Control Panel","description":"\u003cp\u003eThe Simplex 565-143 is an internal interface board for the Simplex 4100 fire alarm control panel, handling board-level communication and interface functions within the panel card cage.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 864 listed system component within the Simplex 4100 platform\u003c\/li\u003e\n\u003cli\u003eNFPA 72 National Fire Alarm and Signaling Code installations\u003c\/li\u003e\n\u003cli\u003eFM Approved system context (panel dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInternal interface board sized for the Simplex 4100 panel chassis\u003c\/li\u003e\n\u003cli\u003eInstalls in the designated 4100 card slot with factory connectors and standoffs\u003c\/li\u003e\n\u003cli\u003eCarries communication or device interface functions on the 4100 backplane\u003c\/li\u003e\n\u003cli\u003eSpecified by part number to match the host 4100 panel revision\u003c\/li\u003e\n\u003cli\u003eIntended for service replacement and panel build-out on installed systems\u003c\/li\u003e\n\u003cli\u003eUsed across commercial and institutional 4100 fire alarm installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Simplex 4100 series organizes its electronics as a modular card cage, with interface boards routing communication, monitoring, and auxiliary signals between the panel CPU and the IDNet signaling line circuit. Boards in the 565 family are revision specific, so matching the original part number keeps an installed 4100 system aligned to its listing and avoids a broader platform migration while the panel stays in service.\u003c\/p\u003e\n\u003cp\u003eVerify panel and device family compatibility before ordering.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":52004375363877,"sku":"565-143","price":181.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/simplex-boards-default-title-simplex-565-143-4098-analog-int-board-31897130467552.jpg?v=1771296018","url":"https:\/\/fastalarmdistribution.com\/products\/simplex-565-143","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}