Product Overview The DS-K2600T series access controller contains network and RS-485 interface, which supports TCP/IP and RS-485 communication protocols. The communication data is encrypted to improve the security of the system. The controller also supports offline operation and is designed with tamper-proof switch. Main Features Supports multi-door interlocking function, anti-passback function, multi-Card function, first person 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, blocklist alarm and alarm for invalid card swiping attempts alarm Supports RS-485 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 time synchronization via NTP, manual or automatic method Supports standby battery Data can be permanently saved when the access controller is powered off