Dahua AC Eight Door One Way ASC2208C-S

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