Four-door two-way access controller

The Dahua ASC2204C-D is a multi-functional access controller designed to manage up to four doors with two-way access. The device supports various communication protocols and provides robust security features, making it suitable for diverse access control applications.

Key Features:

• Supports TCP/IP, RS-485, and Wiegand communication protocols

• Manages up to 4 doors with two-way access

• Stores up to 100,000 users and 500,000 card swipe records

• Supports multi-door interlocking, multi-user unlocking, anti-passback, and remote unlocking

• Alarm features include: reader tampering, intrusion, unlock timeout, duress, invalid card threshold, and incorrect password

• Built-in RTC with manual and automatic time synchronization

• Data retention during power failure and supports online upgrades

• Watchdog mechanism ensures operational stability

Specifications:

• Dimensions: 337 mm × 272 mm × 90 mm

• Weight: 3.5 kg

• Material: SECC steel plate

• Color Options: Black

• Power Requirements: 100–240V AC

• Other Specifications:

  • User Capacity: 100,000 users

  • Fingerprint Capacity: 3,000 fingerprints

  • Card Capacity: 100,000 cards

  • Event Record Capacity: 500,000 events

  • Alarm Inputs: 8 digital inputs

  • Alarm Outputs: 8 relay outputs

  • RS-485 Ports: 9

  • Wiegand Ports: 8

  • Network Interface: 1 × 10/100 Mbps Ethernet port

  • Operating Temperature: -30°C to +60°C

  • Operating Humidity: 5%–95% RH (non-condensing)

  • Installation: Surface mount

  • Certifications: CE, FCC, UL