Dahua ASC2204C-D Access Controller

• TCP/IP communication.
• Two communication protocols: RS-485 and Wiegand.
• Supports storing 100,000 users 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 operational stability.