> TCP/IP communication. > Two communication protocols: RS-485 and Wiegand. > Supports storing 100,000 user and 500,000 card-swiping records. > Supports multi-door interlock, multi-user unlock, anti-passback, and remote unlock. > Supports reader tamper alarm, intrusion alarm, unlocking timeout alarm, duress alarm, invalid card exceeding threshold alarm, and incorrect password alarm. > Supports built-in RTC, manual time fixing, and automatic time fixing. > Data can be saved permanently in case of power failure; supports online upgrade. > Power supply through storage battery. > Supports watchdog mechanism to ensure the operation stability

(DHI-ASC2204C-D)