• Single-door Access Controller DS-K2601: Input interface: 4 alarm input, Door Sensor×1, Door Switch×1, Case Input×2, Fire Alarm Linkage×1, Tamper-proof×1; Output interface: Door Switch Relay×1, Alarm Relay×1. • Double-door Access Controller DS-K2602: Input interface: 4 alarm input, Door Sensor×2, Door Switch×2, Case Input×4, Fire Alarm Linkage×1, Tamper-proof×1; Output interface: Door Switch Relay×2, Alarm Relay×2. • Four-door Access Controller DS-K2604: Input interface: 4 alarm input, Door Sensor×4, Door Switch×4, Case Input×8, Fire Alarm Linkage×1, Tamper-proof×1; Output interface: Door Switch Relay×4, Alarm Relay×4. • ISAPI、OSDP、ISUP5.0 • 32-bit high-speed processor • TCP/IP network communication, with self-adaptive network interface. The communication data is encrypted to ensure information security • The recognition and storage of card number with maximum 20 digits • Massive storage with 100,000 (can be expended to 200,000) cards information and 300,000 (can be expended to 600,000) access control events • Supports multi-door interlocking function (DS-K2602, and DS-K2604), anti-passback function, multi-card function, first card function, super card and super password function • Online upgrade function and online remote control of the doors • Supports alarm event upload (including tamper-proof alarm, unsecured door alarm, forced entry alarm, delayed door alarm, duress card and code alarm, blacklist alarm and alarm for invalid card swiping attempts alarm) • Short circuit attempts alarm and open circuit attempts alarm • Supports zone alarm input • Supports RS485 interface and Wiegand interface for accessing card reader. Wiegand interface supports W26/W34 and is seamlessly compatible with third-party card reader with Wiegand interface • Supports various card types such as normal/ disabled/ blacklist/ patrol/ guest/ duress/ super card, etc. • Various indicators to show different device status • Supports time synchronization via NTP, manual or automatic method • Supports standby battery • Watchdog for device running status detection • Data can be permanently saved when the access controller is powered off
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