Dahua DHI-ASC2204B-S User Manual
ASC2 Series | DHI-ASC2204B-S
DHI-ASC2204B-S
Access Controller
System Overview
The DHI-ASC2204B-S is an mul-funconal access controller with a
TCP/IP wired network interface. It can oer professional funcons
related to access control management. It is applicable to industrial
parks, oce buildings, nancial buildings, schools, factories, CBD,
residenal areas, governments, and more.
· 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
Technical Specificaon
System
Internet Protocol
OSDP Protocol
SDK and API
IPv4; TCP; UDP
Yes
Yes
Basic
Product Appearance
Buzzer
Casing Material
Model B slide rail
Yes
PC+ABS
Function
Unlock Mode
Period List
Holiday Period
Network Update
First-Card Unlock Yes
Remote Verification Yes
Blocklist/Allowlist Yes
Peripheral Card Reader
Card/remote/password/ngerprint unlock
128
128
Yes
4 RS-485 card readers
4 Wiegand card readers
Multi-door Interlock Yes
Group Combination Card/password/ngerprint 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
Fingerprint
Card
Record Capacity
100,000
3,000
100,000
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 quanty)
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ASC2 Series | DHI-ASC2204B-S
Alarm Output 1 (relay)
Alarm Linkage Yes
Exit Button 4
Door Status Detec tion 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
Duress Fingerprint Yes
Yes
General
Power Supply
IP Rating IP20, IK04
Power Consumption
Standard POE (an additional power supply for the
door lock is needed);
DC 12V (support supplying power to the door lock)
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)
Dimensions (mm[inch])
Applicaon
Management
Platform
Switch
Client
Product Dimensions 210 mm × 106 mm × 50 mm (8.27”× 4.17”× 1.97”)
Packaging box: 255 mm × 166 mm × 87 mm
Packaging Dimensions
Operating Temperature –30°C to +60°C (–22°F to +140°F)
Operating Humidity 5%RH–90%RH (no condensaon)
Operating Altitude 0 m–1300 m (0 –4265.10 )
Operating Environment Indoor
Gross Weight 0.6 kg (1.33 lb)
Installation Surface/guide rail mount
Certification CE/FCC/UL
(10.04”× 6.54”× 3.43”)
Protecve box: 508 mm × 265 mm × 190 mm
(20.0”× 10.43”× 7.48”)
Ordering Informaon
Typ e Model Description
Access
Controller
DHI-ASC2204B -S
One-way Access Controller Model
B with Four D oors (portable and
indoor)
Access Controller
Lock Exit Button Card Reader Alarm Light
Rev 001.001 © 2020 Dahua. All rights reserved. Design and specifications are subject to change without notice.
Pictures in the document are for reference only, and the actual product shall prevail.
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