{"product_id":"ocb-l3704-t","title":"OCB-L3704-T","description":"\u003chr\u003e\r\n\u003ch3 data-start=\"297\" data-end=\"341\"\u003eOCB-L3704-T – Four-Door Access Controller\u003c\/h3\u003e\r\n\u003cp data-start=\"357\" data-end=\"694\"\u003eThe \u003cstrong data-start=\"361\" data-end=\"404\"\u003eOCB-L3704-T Four-Door Access Controller\u003c\/strong\u003e is a high-capacity, enterprise-grade access control solution designed for professional multi-door security applications. Supporting \u003cstrong data-start=\"537\" data-end=\"563\"\u003efour independent doors\u003c\/strong\u003e, this controller delivers advanced access logic, robust alarm management, and secure network communication for complex facilities.\u003c\/p\u003e\r\n\u003cp data-start=\"696\" data-end=\"1116\"\u003eWith storage capacity for \u003cstrong data-start=\"722\" data-end=\"739\"\u003e100,000 cards\u003c\/strong\u003e and \u003cstrong data-start=\"744\" data-end=\"769\"\u003e300,000 access events\u003c\/strong\u003e, the OCB-L3704-T is ideal for large-scale installations. It supports \u003cstrong data-start=\"839\" data-end=\"904\"\u003eTCP\/IP, EHome 5.0, ISAPI, RS-485, OSDP, and Wiegand protocols\u003c\/strong\u003e, ensuring seamless integration with third-party readers and management platforms. Built around a \u003cstrong data-start=\"1002\" data-end=\"1033\"\u003e32-bit high-speed processor\u003c\/strong\u003e, it guarantees fast processing, stable operation, and encrypted data transmission.\u003c\/p\u003e\r\n\u003cp data-start=\"1118\" data-end=\"1479\"\u003eAdvanced security features such as \u003cstrong data-start=\"1153\" data-end=\"1170\"\u003eanti-passback\u003c\/strong\u003e, \u003cstrong data-start=\"1172\" data-end=\"1196\"\u003emulti-door interlock\u003c\/strong\u003e, \u003cstrong data-start=\"1198\" data-end=\"1222\"\u003emulti-authentication\u003c\/strong\u003e, and \u003cstrong data-start=\"1228\" data-end=\"1260\"\u003ecomprehensive alarm handling\u003c\/strong\u003e make this controller a reliable core component for commercial, industrial, and institutional access control systems. Offline data retention, power protection, and tamper-proof design further enhance system reliability.\u003c\/p\u003e\r\n\u003chr data-start=\"1481\" data-end=\"1484\"\u003e\r\n\u003ch3 data-start=\"1486\" data-end=\"1502\"\u003eKey Features\u003c\/h3\u003e\r\n\u003cp data-start=\"1504\" data-end=\"3128\"\u003e• \u003cstrong data-start=\"1506\" data-end=\"1534\"\u003eFour-Door Access Control\u003c\/strong\u003e – Manages up to 4 independent doors simultaneously\u003cbr data-start=\"1585\" data-end=\"1588\"\u003e • \u003cstrong data-start=\"1590\" data-end=\"1615\"\u003eHigh-Capacity Storage\u003c\/strong\u003e – Supports up to \u003cstrong data-start=\"1633\" data-end=\"1650\"\u003e100,000 cards\u003c\/strong\u003e and \u003cstrong data-start=\"1655\" data-end=\"1680\"\u003e300,000 access events\u003c\/strong\u003e\u003cbr data-start=\"1680\" data-end=\"1683\"\u003e • \u003cstrong data-start=\"1685\" data-end=\"1714\"\u003ePowerful 32-bit Processor\u003c\/strong\u003e – Ensures fast response and stable system performance\u003cbr data-start=\"1768\" data-end=\"1771\"\u003e • \u003cstrong data-start=\"1773\" data-end=\"1807\"\u003eSecure Communication Protocols\u003c\/strong\u003e – TCP\/IP, EHome 5.0, ISAPI with encrypted data transmission\u003cbr data-start=\"1867\" data-end=\"1870\"\u003e • \u003cstrong data-start=\"1872\" data-end=\"1905\"\u003eMulti-Protocol Reader Support\u003c\/strong\u003e – RS-485, OSDP, and Wiegand (W26\/W34) compatibility\u003cbr data-start=\"1957\" data-end=\"1960\"\u003e • \u003cstrong data-start=\"1962\" data-end=\"1990\"\u003eFlexible User Management\u003c\/strong\u003e – Supports normal users, visitors, and blocklist users\u003cbr data-start=\"2045\" data-end=\"2048\"\u003e • \u003cstrong data-start=\"2050\" data-end=\"2075\" data-is-only-node=\"\"\u003eAdvanced Access Logic\u003c\/strong\u003e – Anti-passback, multi-door interlock, multi-authentication, first-card open, super card, and super password functions\u003cbr data-start=\"2194\" data-end=\"2197\"\u003e • \u003cstrong data-start=\"2199\" data-end=\"2233\"\u003eComprehensive Alarm Management\u003c\/strong\u003e – Reader tamper, door not secured, forced entry, door timeout, duress card\/code, illegal card attempts, blocklist alarm\u003cbr data-start=\"2353\" data-end=\"2356\"\u003e • \u003cstrong data-start=\"2358\" data-end=\"2389\"\u003eElectrical Fault Protection\u003c\/strong\u003e – Short-circuit and open-circuit detection with alarms\u003cbr data-start=\"2444\" data-end=\"2447\"\u003e • \u003cstrong data-start=\"2449\" data-end=\"2483\"\u003eCross-Controller Anti-Passback\u003c\/strong\u003e – Supports both RS-485–based and network-based anti-passback\u003cbr data-start=\"2544\" data-end=\"2547\"\u003e • \u003cstrong data-start=\"2549\" data-end=\"2582\"\u003eMultiple Card Types Supported\u003c\/strong\u003e – Normal, patrol, duress, and super cards\u003cbr data-start=\"2624\" data-end=\"2627\"\u003e • \u003cstrong data-start=\"2629\" data-end=\"2661\"\u003eOffline Operation Protection\u003c\/strong\u003e – Event storage during network loss with insufficient storage alarms\u003cbr data-start=\"2730\" data-end=\"2733\"\u003e • \u003cstrong data-start=\"2735\" data-end=\"2757\"\u003eSystem Reliability\u003c\/strong\u003e – Built-in clock, watchdog design, backup battery support, and permanent data retention after power loss\u003cbr data-start=\"2862\" data-end=\"2865\"\u003e • \u003cstrong data-start=\"2867\" data-end=\"2888\"\u003eStatus Indicators\u003c\/strong\u003e – LEDs for power, communication, and operational status\u003cbr data-start=\"2944\" data-end=\"2947\"\u003e • \u003cstrong data-start=\"2949\" data-end=\"2973\"\u003eTime Synchronization\u003c\/strong\u003e – Automatic and manual time synchronization supported\u003cbr data-start=\"3027\" data-end=\"3030\"\u003e • \u003cstrong data-start=\"3032\" data-end=\"3063\"\u003eIndustrial-Grade Protection\u003c\/strong\u003e – Isolated internal current and protective control board cover\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp data-start=\"1504\" data-end=\"3128\"\u003e\u003c\/p\u003e","brand":"OCB","offers":[{"title":"Default Title","offer_id":54919539392830,"sku":"OCB-L3704-T","price":435.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/1454\/8798\/files\/OCB-L3702_dad11ef2-042c-41b7-a0c6-865c27cee0dc.webp?v=1794520368","url":"https:\/\/www.securitycamerasoutlet.com\/products\/ocb-l3704-t","provider":"Security Cameras Outlet","version":"1.0","type":"link"}