Dahua ASC4201C-D Single Door Bidirectional Access Controller with Fingerprint, QR Code, and AI Advanced Security
ASC4201C-D is a professional bi-directional single-door access controller, designed to ensure high security standards and advanced access management. Based on the Embedded Linux system, it supports up to 100,000 users , 100,000 cards , 10,000 fingerprints and 500,000 records , offering maximum scalability. It integrates multiple verification methods such as card, password, fingerprint and QR code , with support for multi-factor authentication and advanced functions such as anti-passback and remote verification . Equipped with numerous alarm inputs/outputs , TCP/IP connection, ONVIF Profile C protocols and compatibility with DMSS and DSS Pro platforms, it guarantees complete control and real-time monitoring. Ideal for professional environments, it offers high reliability and integration into modern security systems. Dahua
INSTALLATEUR FINDEN
ASC4201C-D | TWO-WAY DOOR ACCESS CONTROL
The Dahua ASC4201C-D is an advanced bi-directional single-door access controller, designed for professional security systems with high reliability. Based on Embedded Linux , it supports up to 100,000 users , 100,000 cards , 10,000 fingerprints and 500,000 events , ensuring scalable access management. It offers multiple authentication methods including card, password, fingerprint and QR code , with multi-factor authentication and advanced functions such as anti-passback and remote verification . Equipped with TCP/IP connection, ONVIF Profile C protocols and compatibility with DMSS and DSS Pro platforms, it allows real-time monitoring and control. Complete with numerous alarm inputs and outputs , it represents an ideal solution for corporate environments and integrated security systems.
Main specifications:
- High capacity: manage up to 100,000 users, 100,000 cards, 10,000 fingerprints and 500,000 records
- Multiple access methods: support card, password, fingerprint, QR code and custom combinations
- Advanced security: anti-passback, multi-factor authentication and remote verification functions
- Full connectivity: TCP/IP network, ONVIF Profile C compatibility and integration with DMSS, DSS Pro
- Alarm Inputs/Outputs: Up to 7 inputs and 4 expandable outputs for event management and security
- Professional interfaces: RS-485 and Wiegand support for external access readers
Further details
✅ System:
Based on Embedded Linux with a dedicated processor, it supports IPv4, IPv6, TCP, UDP and P2P protocols, as well as ONVIF Profile C compatibility, ensuring complete integration into security and management systems via API and SDK.
✅ Functions:
It offers advanced access methods with card, password, fingerprint and QR code , supporting multi-factor authentication , anti-passback , remote verification and real-time monitoring for highly secure and customizable access control.
✅ User :
Flexible management of different profiles including general users, VIPs, guests and blacklists , with advanced configurations for each category and detailed access control.
✅ Alarm:
Technical data sheet
| MODEL | ASC4201C-D |
| System | |
| Main Processor | Embedded Processor |
| Network Protocol | IPv4;UDP;P2P;IPv6;TCP |
| OSDP Protocol | Yes |
| Interoperability | ONVIF PROFILE C |
| SDK | Yes |
| API | Yes |
| Basic | |
| Product Type | Controller |
| Buzzer | Yes |
| Casing Material | SGCC galvanized |
| Function | |
| Verification Method | Card;Password;Fingerprint;Remote;QR Code |
| Period List | 128 groups |
| Holiday Period | 128 groups |
| Network Update | Yes |
| First User Unlock | Yes |
| Remote Verification | Yes |
| Restricted List/Trusted List | Yes |
| Peripheral Card Reader | Supports 4-channel RS-485 card readers and 4-channel Wiegand card readers. |
| Multi-door Interlock | Yes |
| Multi-user Authentication | Yes |
| Real-time Monitoring | Yes |
| Multi-factor Authentication | Yes |
| Web Configuration | Yes |
| Unidirectional or Bidirectional | Bidirectional |
| User | |
| User (Card) Type | General user, VIP user, patrol user, guest user, blocklist user, other users, custom user 1 and custom user 2 |
| Capacity | |
| User Capacity | 100,000 |
| Fingerprint Capacity | 10,000 |
| Card Capacity | 100,000 |
| Record Capacity | 500,000 |
| Port | |
| RS-485 | 3 ports. 2 for card readers, and the remaining 1 is for the extension port. |
| Wiegand | 2-channel input |
| Network Port | 1 RJ-45, 10 Mbps/100 Mbps self-adaptive |
| Alarm Input | 7 channels. Channel 1 is for connecting to the fire safety control. Channels 2–3 support alarms for different events. There are 4 statuses for these channels: Normal, alarm, short circuit and open circuit. Channels 4–7 are standard alarm input channels. Expandable to 8 channels when connected to an external alarm module. |
| Alarm Output | 4 channels; expandable to 8 channels when connected to an external alarm module. |
| Alarm Linkage | Yes |
| Exit Button | 1 channel |
| Door Status Detection | 1 channel |
| Lock Control | 1 channel |
| Alarm | |
| Anti-pass Back | Yes |
| Tamper Alarm | Yes |
| Duress Alarm | Yes |
| Door Sensor Timeout | Yes |
| Intrusion | Yes |
| Illegal Card Exceeding Threshold | Yes |
| Duress Fingerprint | Yes |
| General | |
| Power Supply | Switching power supply (AC to DC, AC 100–240 V 1.4 A; DC 12 V 6 A) |
| Power Consumption | ≤ 3W; it might alter if other devices are connected |
| Product Dimensions | 397.6 mm × 262.6 mm × 82.8 mm (15.65" × 10.34" × 3.26") (L × W × H) |
| Packaging Dimensions | 473 mm × 353 mm × 162 mm (18.62" × 13.90" × 6.38") (L × W × H, 1 in inner carton) |
| Operating Temperature | –30 °C to +60 °C (–22 °F to +140 °F) |
| Operating Humidity | 5%–95% (RH), non-condensing |
| Operating Environment | Indoor |
| Gross Weight | 4.0 kg (8.82 lb) |
| Installation | Surface Mount |