Dahua ASC2204C-S, Access controller unit for 4 doors

The access controller allows securing up to 4 doors using four readers that support card, code/PIN, or fingerprint, with the readers connectable via Wiegand or RS-485. The system offers a high capacity of up to 100 000 RFID cards, 3 000 fingerprints, and 500 000 records, ensuring reliable identification for large operations. Users can utilize up to 128 time rules for different access levels, providing flexible control over entries and exits.

Security and Durability

The controller supports various security features including door open alarm, forced entry, Anti-pass back, and Multi-door interlock to prevent unauthorized passage. The device is equipped with 4 door sensors, 4 exit buttons, 4 locks, and 6 alarm inputs for complete integration with the security system. The maximum range of the data connection is 100 m for RS-485 and 40 m for Wiegand. Its robust design allows operation in temperatures from –30 °C to +60 °C and humidity up to 95%, while power supply operates from 100–240 V AC, ensuring reliability even in challenging conditions.

Key Features

• 4 doors supporting card, code/PIN, and fingerprint
• Readers connectable via Wiegand or RS-485
• Capacity: 100 000 RFID cards, 3 000 fingerprints, 500 000 records
• Security features: door open alarm, forced entry, Anti-pass back, Multi-door interlock
• Inputs and outputs: 4× door sensor and lock, 4× exit button, 6× alarm input, 4× alarm output
• Maximum range: RS-485 up to 100 m, Wiegand up to 40 m
• Operating temperature: -30 to +60 °C, max. humidity 95 %
• Power supply: 100–240 V AC