Dahua Four Door Master Access Controller DHI-ASC2204C-H

Four Door Master Access Controller

• Supports 200,000 valid cards and 150,000 records

• CAN bus supports cascading up to 16 sub-controller modules

• Supports card, password, fingerprint, and combination authentication

• TCP/IP interface

• Wiegand or RS-485 interface for readers

• Alarms: door close timeout, intrusion, duress, and tamper

• Features global anti-passback, multi-door interlock, multi-person open, and remote verification unlock

• Web service available for configuring sub-controllers

• Supports 128 efficient time and holiday schedules

• Built-in RTC with Daylight Saving Time (DST) support

• Watchdog function ensures device stability without halting

• Surface mounted installation

• Supports accumulator battery extension

• Compatible with Onvif Profile C, CGI, and SDK for third-party platform integration

• Datasheet

 

System

• Main Processor: Embedded processor

• Memory: 256 Mb

Input/Output Ports

• Inputs: 20 total

  • Lock state: 4

  • Door sensor: 4

  • Exit button: 4

  • Alarm: 8

• Outputs: 12 relay outputs

  • Door lock: 4

  • Alarm: 8

• Reader Ports: 4

Capacity

• Card Holders: 200,000

• Events: 150,000

Function

• Control Mode: Four door one-way

• Access Control: Anti-pass back, multi-interlock, multi-card unlock

• User Management: General, VIP, Guest, Patrol, Blocklist, Duress

• Alarm Function: Door timeout alarm, intrusion alarm, duress alarm, tamper alarm

• Period Support: 128 groups of schedule, period, and holiday period

Interface

• To PC: RJ45 (10/100M)

• To Reader: Wiegand 26/34, RS485

Network

• Network Functions: TCP/IP, UDP, HTTP, HTTPS, DDNS, Register, P2P, NTP, DST

• Max. User Access: Adjustable from 1 to 999

General

• RTC: Yes

• Power Supply: AC 85–264 V, 50/60 Hz

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

• Working Humidity: ≤95%

• Dimensions (W × D × H): 330.0 mm × 270.0 mm × 87.0 mm

• Weight: 2 kg

• Working Environment: Indoor

Certificates

• CE: Yes

• FCC: Yes