ASC4201B-D
Dahua Single Door two-way Access Controller
> Adopts Linux and comes with a webpage.
> Supports 100,000 users, 100,000 passwords, 100,000 cards, 10,000 fingerprints, and 500,000 access records.
> Supports multiple unlock methods including card, password, fingerprint and QR code. You can also combine them to create your own personal unlock methods.
> You can configure scheduled unlock methods.
> Supports RS-485 card reader and Wiegand card reader.
> Offers multiple types of alarms such as duress, tamper, intrusion, unlock timeout, and excessive use of illegal card.
> Supports anti-passback, multi-person unlock, first-card unlock and remote verification.
> Supplies power to 1 lock (12 V, 1.2 A or lower) and 2 card readers (12 V, 500 mA or lower) at the same time. The power adapter must support the necessary power specifications.
> Features the fire alarm linkage. The device must be connected to the alarm input port and the corresponding linkage must be configured.
> Supports TCP/IP connection, auto registration, P2P registration and DHCP.
> PoE power supply.
> Compatible with the platforms of SmartPSS Lite, DSS Pro and DMSS.
System
Main Processor
Embedded Processor
Network Protocol
IPv4;UDP;P2P;IPv6;TCP
OSDP Protocol
Yes
Interoperability
ONVIF PROFILE C
SDK
Yes
API
Yes
Basic
Product Type
Controller
Buzzer
Yes
Casing Material
PC+ABS
Function
Verification Method
Card;Password;Fingerprint;Remote;QR Code
Period List
128 groups
Holiday Period
128 groups
Network Update
Yes
First User Unlock
Yes
Remote Verification
Yes
Restricted List/Trusted List
Yes
Peripheral Card Reader
Supports 2-channel RS-485 card readers and 2-channel Wiegand card readers.
Multi-user Authentication
Yes
Real-time Monitoring
Yes
Multi-factor Authentication
Yes
Web Configuration
Yes
Unidirectional or Bidirectional
Bidirectional
User
User (Card) Type
General user, VIP user, patrol user, guest user, blocklist user, other users, custom user 1 and custom user 2
Capacity
User Capacity
100,000
Fingerprint Capacity
10,000
Card Capacity
100,000
Record Capacity
500,000
Port
RS-485
3 ports. 2 for card readers, and the remaining 1 is for the extension port.
Wiegand
2-channel input
Network Port
1 RJ-45, 10 Mbps/100 Mbps self-adaptive
Alarm Input
4 channels; expandable to 8 channels when connected to an external alarm module.
Alarm Output
3 channels; expandable to 8 channels when connected to an external alarm module.
Alarm Linkage
Yes
Exit Button
1 channel
Door Status Detection
1 channel
Lock Control
1 channel
Alarm
Anti-pass Back
Yes
Tamper Alarm
Yes
Duress Alarm
Yes
Door Sensor Timeout
Yes
Intrusion
Yes
Illegal Card Exceeding Threshold
Yes
Duress Fingerprint
Yes
General
Power Supply
Standard PoE;
12 VDC 1A （no peripheral devices）Power Consumption
≤ 3 W; it might alter if other devices are connected
Product Dimensions
155.6 mm × 106.0 mm × 34.1 mm (6.13" × 4.17" × 1.34") (L × W × H)
Packaging Dimensions
255 mm × 166 mm × 87 mm (10.04" × 6.54" × 3.43") (L × W × H, 1 in inner carton)
512 mm × 269 mm × 196 mm (20.16" × 10.59" × 7.72") (L × W × H, carton)Operating Temperature
–30 °C to +60 °C (–22 °F to +140 °F)
Operating Humidity
5%–95% (RH), non-condensing
Operating Environment
Indoor
Gross Weight
0.46 kg (1.01 lb)
Installation
Surface Mount;Guide Rail Mount
