The Dahua Access Reader ASR2100A-D is a biometric access control device designed for controlling entry to secure areas. It typically integrates with Dahua's access control systems to enhance security. Here are some of its main features and specifications:

Key Features:

1. Biometric Fingerprint Recognition: The ASR2100A-D uses fingerprint biometrics to verify the identity of users, ensuring secure and reliable access control.
2. RFID Functionality: It also supports RFID card readers (typically 13.56 MHz), allowing users to access secure areas using their RFID cards.
3. Multi-modal Authentication: Combining biometrics with RFID cards gives users multiple authentication options, adding an extra layer of security.
4. Built-in Display: The device may have a display screen that shows information like user prompts, system status, and other settings.
5. Connectivity: It usually supports network-based connectivity (TCP/IP or Wi-Fi), making it easy to integrate into larger access control systems.
6. Weather Resistance: Designed for outdoor use, it typically has an IP65 rating, meaning it is protected against dust and water, suitable for various environments.
7. Access Control Integration: Compatible with Dahua's comprehensive access control systems for centralized management of security systems.

Specifications:

• Fingerprint Capacity: The device can store a large number of fingerprint templates (usually up to 3,000-5,000).
• RFID Capacity: Supports a certain number of RFID cards, often up to several thousand.
• Display: LCD or LED screen for user interaction.
• Communication Interface: Typically supports TCP/IP, RS485, and Wiegand protocols.
• Power Supply: Usually operates on 12V DC power.
• Temperature Range: Designed to work within a specific temperature range, often from -20°C to 60°C.
• Verification Time: Fast authentication response times for quick access.

Use Cases:

• Office Buildings: Securing entrances and sensitive areas with biometric and RFID access.
• Residential Communities: For gated communities, ensuring that only authorized individuals gain entry.
• Industrial and Commercial Sites: Protecting valuable assets and restricted areas using advanced access control methods.

• PC material, acrylic panel and IP66, suitable for indoor and outdoor use.
• Support contactless recognition of ID card.
• Support card unlock.
• Support communication through RS-485 and Wiegand 34.
• Support buzzer and indicator prompt.
• Support anti-tampering alarm.
• The built-in watchdog can detect and control abnormal operation status of the equipment and perform recovery processing to ensure the long-term operation of the equipment.
• All connection ports have overcurrent and overvoltage protection.