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Dahua Technology Honored by WWF-Hong Kong as 'Smart Technology Partner' at Earth Hour 2026 Ceremony

2026-04-01

Dahua Technology Honored by WWF-Hong Kong as 'Smart Technology Partner' at Earth Hour 2026 Ceremony

ASC2104B-T

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ASC2104B-T

Four Door Slave Access Control Module

Key Points

    > Support 20,000 valid cards & 30,000 records.

    > Support card, password, fingerprint and combination.

    > Only work with ASC2204-H with CAN bus.

    > Wiegand or RS-485 interface to readers.

    > Door time out alarm, intrusion alarm, duress alarm and tamper alarm.

    > Anti-passback, multi-door interlock, multi-personal open.

    > Support 128 efficient time and holiday schedules.

    > Watch dog function ensure device free from halting.

    > Surface mounted installation.


Sales Enquiry
Datasheet

Specifications

System

Main Processor

32bit

Memory

16M

Input/Output Ports

Input

Inputs x 9 ( door sensor x 4, exit button x 4, alarm x 1)

Output

Relay x 5(door lock x 4, alarm x 1 )

Reader

Reader x 4

Capacity

Card holders/Events

20,000/30,000

Function

Access control

Anti-pass back, Multi-interlock, Multi-personal unlock

User Management

General, VIP, Guest, Patrol, Blocklist, Duress

Alarm Function

Door time out alarm, Intrusion alarm, Duress alarm, Tamper alarm

Period

Support 128 groups of schedule, 128 groups of period and 128 groups of holiday period

Interface

To Master controller

CAN H, CAN L

To Reader

Wiegand/ RS485

Genreal

RTC

Yes

Power Supply

DC 9-15V/500mA

Operating Temperature

–30°C to +60°C

Working Humidity

≤95%

Dimension(W × D × H)

116.0mm×155.6mm×51.2mm

Weight

0.5 kg

Working Environment

Indoor

Certificates

CE

Yes

FCC

Yes

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