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AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

2026-03-16

AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

ASC2204B-S

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ASC2204B-S
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ASC2204B-S

Access Controller

Key Points
    • 4 Door 1 Way Networked Access Controller
    • 100,000 Users, 100,000 Passwords, 100,000 Cards, 3,000 Fingerprints and 500,000 Records
    • 5 x RS485 ports, 4 x Wiegand Ports
    • 1 Channel Alarm Input, 1 Channel Alam Output
    • Supports Anti-Passback, Multi-Person Unlock, First-Card Unlock and Remote Verification
    • Features Fire Alarm Linkage
    • DC12V/PoE power Supply
Sales Enquiry
Datasheet

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
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

1 (digital quantity)

Alarm Output

1 (relay)

Alarm Linkage

Yes

Exit Button

4

Door Status Detection

4

Lock Control

4, stays 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 (8.27”× 4.17”× 1.97”)

Packaging Dimensions

Packaging box: 255 mm × 166 mm × 87 mm (10.04”× 6.54”× 3.43”)
Protective box: 508 mm × 265 mm × 190 mm (20.0”× 10.43”× 7.48”)

Operating Temperature

–30°C to +60°C (–22°F to +140°F)

Operating Humidity

5%RH–90%RH (no condensation)

Operating Altitude

0 m–1300 m (0 ft–4265.10 ft)

Operating Environment

Indoor

Gross Weight

0.6 kg (1.33 lb)

Installation

Surface/guide rail mount

Certification

CE/FCC/UL

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