{"product_id":"ds-k2704xp-4-door-access-controller-main-board-expandable-to-128-doors","title":"DS-K2704X(P) 4-Door Access Controller Main Board – Expandable to 128 Doors","description":"\u003cp\u003e\u003cstrong\u003eDS-K2704X(P) — 4-door access controller main board (expandable)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnterprise-grade Ultra-series 4-door access controller main board with downstream RS‑485 expansion to control up to 128 doors (via DS‑K2M002X modules).\u003c\/li\u003e\n  \u003cli\u003eSupports OSDP over RS‑485 and Wiegand readers, web-based configuration, and advanced access functions such as anti‑passback and multi‑door interlocking.\u003c\/li\u003e\n  \u003cli\u003eLarge capacity: up to 100,000 users, 200,000 cards, 10,000 fingerprint templates and 600,000 event records. Ideal for transport hubs, banks and large enterprise sites.\u003c\/li\u003e\n  \u003cli\u003eRobust I\/O: 4 lock outputs, 4 exit buttons, 4 door contacts, 8 alarm inputs, 4 alarm outputs plus tamper and fire interfaces. Backup battery charging\/discharging supported; status LEDs for diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose this board?\u003c\/strong\u003e Suited to professional installations requiring redundancy and scale. Downstream RS‑485 redundancy wiring provides improved communication stability for large distributed systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; compliance\u003c\/strong\u003e: Intended for professional installation. Requires 12 V DC supply (12 VDC ±15%); power consumption ≤102 W. Check local regulations and warranty terms; use authorised installers to ensure system integrity and warranty validity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety note\u003c\/strong\u003e: Isolate power before installation, follow manufacturer datasheet and local electrical regulations. For system design and battery choices consult technical documentation or a qualified installer.\u003c\/p\u003e","brand":"Hikvision","offers":[{"title":"-","offer_id":56595133071733,"sku":"DS-K2704X(P)(O-STD)","price":323.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/1216\/0612\/files\/ITM004676_1.png?v=1768259250","url":"https:\/\/wmestore.co.uk\/products\/ds-k2704xp-4-door-access-controller-main-board-expandable-to-128-doors","provider":"WME","version":"1.0","type":"link"}