Dahua ASC2204C-D Access Controller

> 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