Dahua AC Two Door Two Way ASC2202B-D

• Support TCP/IP communication
• Two dual communication protocols: RS-485 and Wiegand (W26 and W34)
• Holds 100,000 users and stores 500,000 card swiping records
• Support interlock, group combination, anti-passback, remote unlock, and more
• Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm
• Built-in RTC, support manual time synchronization and auto time synchronization
• Support power-off memory protection and online upgrade
• Support watchdog (a device that protects a system from software or hardware failures)
• Support PoE power supply

Specifications

System

• Internet Protocol : IPv4; TCP; UDP
• OSDP Protocol : Yes
• SDK : Yes

Basic

• Product Appearance : Model B slide rail
• Buzzer : Yes
• Casing Material : PC+ABS

Function

• Unlock Mode : Card/remote/password/fingerprint unlock
• Period List : 128
• Holiday Period : 128
• Network Update : Yes
• First-Card Unlock : Yes
• Remote Verification : Yes
• Blocklist/Allowlist : Yes
• Peripheral Card Reader : 4 RS-485 card readers or 4 Wiegand card readers
• Multi-door Interlock : Yes
• Group Combination : Card/password/fingerprint unlock
• Real-Time Surveillance : Yes
• Multiple Authentication : Yes

User

• User (Card) Type : General user, VIP user, patrol user, guest user, blocklist user, and other user

Capacity

• User : 100,000
• Fingerprint : 3,000
• Card : 100,000
• Record Capacity : 500,000

Port

• RS-485 Port : 5 RS-485 ports
• Wiegand : 4 Wiegand ports
• Network : One 10/100 Mbps network port
• Alarm Input : 4 (digital quantity)
• Alarm Output : 4 (relay)
• Alarm Linkage : Yes
• Exit Button : 2
• Door Status Detection : 2
• Lock Control : 2, normally open by default

Alarm

• Anti-Passback : Yes
• Tamper : Yes
• Duress : Yes
• Door Sensor Timeout : Yes
• Intrusion : Yes
• Illegal Card Exceeding Threshold : Yes
• Duress Fingerprint : Yes

General

• Power Supply : Standard POE (an additional power supply for the door lock is needed) / DC 12V (support supplying power to the door lock)
• IP Rating : IP20, IK04
• Power Consumption : Standby 1.0W, working 13.0W (Standard PoE; rated voltage of the card reader power supply is 12V, and the total max. rated current is 1.4A) / Standby 0.8W, working 41.6W (DC 12V; rated voltage of the card reader power supply is 12V, and the total max. rated current is 1.4A; rated voltage of the door lock power supply is 12V, and the total max. rated current is 2A)
• Product Dimensions : 210 mm × 106 mm × 50 mm
• Packaging Dimensions : Packaging box: 255 mm × 166 mm × 87 mm / Protective box : 508 mm × 265 mm × 190 mm 
• Operating Temperature : –30°C to +60°C 
• Operating Humidity : 5%RH–90%RH (no condensation)
• Operating Altitude : 0 m–1300 m
• Operating Environment : Indoor
• Gross Weight : 0.6 kg 
• Installation : Surface/guide rail mount

Certification

• CE/FCC/UL