The Dahua ASC2202B-S access controller manages card-based access for up to 2 doors. It supports up to 100,000 users and stores up to 500,000 card-reading events.
It operates standalone or over a network and connects via TCP/IP, RS-485, and Wiegand. Features include interlock, anti-passback, and remote unlocking, as well as a built-in RTC, watchdog protection, and memory retention during power outages.
- Controller type: Standalone or networked
- Doors: Up to 2
- Access method: Card
- User capacity: Up to 100,000
- Card event storage: Up to 500,000
- Communication interfaces: TCP/IP, RS-485, Wiegand
- Alarm functions: Interlock, anti-passback, remote unlocking
- Power supply: 12 V DC or PoE
- Operating temperature: -30 °C to 60 °C
- Operating humidity: 5–90%
- Real-time clock: Built-in RTC
- Protection: Watchdog and memory retention during power outages
- Use: Indoor
- Input Type
- Card
- Attendance Time Clock
- No
- Waterproof
- No
- Bluetooth
- -
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.