🧰 Technical specifications
• Model: ASC2104B-T
• Type: Four Door Slave Access Control Module
• Supported doors: 4 doors
• Card capacity: 20,000 cards
• Event capacity: 30,000 records
• Authentication methods: Card, Password, Fingerprint, Combination
• Reader interfaces: 4 × Wiegand / RS-485 readers
• Communication to master controller: CAN Bus (ASC2204-H only)
• Inputs: 9 (4 × Door Sensor, 4 × Exit Button, 1 × Alarm)
• Relay outputs: 5 (4 × Door Lock, 1 × Alarm)
• Access control functions: Anti-passback, Multi-door Interlock, Multi-person Unlock
• User management: General, VIP, Guest, Patrol, Blacklist, Duress
• Alarm functions: Door Timeout, Intrusion, Duress, Tamper Alarm
• Time schedules: 128 Groups
• Time periods: 128 Groups
• Holiday schedules: 128 Groups
• RTC: Yes
• Power supply: 9–15 VDC, 500 mA
• Operating temperature: -30°C to +60°C
• Operating humidity: ≤95% RH
• Dimensions: 210 × 106 × 51 mm
• Weight: 0.5 kg
• Installation: Surface-mounted, Indoor
• Certifications: CE, FCC
• Suitable for multi-door access control systems connected to the Dahua ASC2204-H master controller.
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