Dahua · ASC2204C-H · 4-Door Controller · 200,000 Cards4-Door ControllerDahua DHI-ASC2204C-H Four-Door Master Access Controller
The Dahua DHI-ASC2204C-H is a four-door master access controller for commercial and multi-door access control systems. It supports up to 200,000 valid cards and 150,000 records, connects over TCP/IP, and drives readers via Wiegand or RS-485. A CAN bus lets it cascade up to 16 sub-controller modules, while advanced features like global anti-passback, multi-door interlock and multiple alarm types make it suitable for demanding security deployments.
Card Capacity
200,000 Cards
Reader I/O
Wiegand / RS-485
Four Doors, One Master Controller
Manage up to four doors from a single controller, with support for 200,000 valid cards and 150,000 stored event records. A CAN bus cascades up to 16 sub-controller modules to scale across larger sites.
Flexible Credentials
Authenticate users by card, password, fingerprint or a combination, and support multiple cards per door. Readers connect via Wiegand or RS-485, with a TCP/IP interface back to your management platform.
Advanced Access Logic
Global anti-passback, multi-door interlock, multi-person open and remote verification unlock give you fine-grained control. 128 time and holiday schedules, a built-in RTC with DST and a watchdog keep operation reliable.
Comprehensive Alarms & Integration
Door-timeout, intrusion, duress and tamper alarms protect each entry. ONVIF Profile C, CGI and SDK support let the controller integrate with third-party platforms, and a built-in web service configures sub-controllers.
Specifications — ASC2204C-H
| Model |
DHI-ASC2204C-H |
| Type |
Four-door master access controller |
| Card Capacity |
200,000 valid cards |
| Record Capacity |
150,000 records |
| Network Interface |
TCP/IP |
| Reader Interface |
Wiegand or RS-485 |
| Cascade |
CAN bus, up to 16 sub-controller modules |
| Credentials |
Card, password, fingerprint and combinations; multiple cards |
| Access Logic |
Global anti-passback, multi-door interlock, multi-person open, remote verification unlock |
| Alarms |
Door-timeout, intrusion, duress, tamper |
| Schedules |
128 time & holiday schedules; built-in RTC with DST |
| Integration |
ONVIF Profile C, CGI, SDK; web service configuration |
| Installation |
Surface mounted; accumulator battery extension supported |
| Warranty (Australia) |
3 years · CCTV Guru Australia |
Downloads & Resources
How many doors does the ASC2204C-H control?
It manages four doors from a single master controller, and can cascade up to 16 sub-controller modules over CAN bus for larger sites.
How do readers connect?
Readers connect via Wiegand or RS-485, while the controller links to your management platform over a TCP/IP network interface.
What capacity does it support?
Up to 200,000 valid cards and 150,000 event records, with 128 time and holiday schedules.
