Dahua access controller for four unilaterally controlled doors
- Data exchange – TCP/IP network-based, one 10/100 Mbps Ethernet port
- Readers – 4 channels (readers) with RS-485 or Wiegand protocol.
- Outputs – 4 lock control outputs for door control, 4 alarm relay outputs, 4 door open button outputs.
- Inputs – 6 digital alarm inputs, 4 door status inputs
- Alarm – Notification of various irregularities such as unauthorised card, duress code or fingerprint, door open too long, etc.
- Capacity – 100000 users (cards), 3000 fingerprints, 500000 event memory.
- Power supply – 100-240 VAC, Supplied with power supply unit with battery charging outlet, 7Ah battery can be stored in the housing.
- Processing – Metal housing with protection class IP20,IK04 and dimensions 337 mm × 272 mm × 90 mm.
The ASC2204C-S is a feature-rich second-generation controller for building access systems, especially when integrated with other Dahua product families.





