Overview - Dahua ASC1204B-S User Manual

1 Overview

The access controller is a controlling device which compensates video monitoring and
bidirectional talk. It has neat and modern design with strong functionality, suitable for
commercial building, corporation property and intelligent community.
It has:

It adopts slideway and lock installation design for easy installation and repair.

It integrates alarm, access control, video monitoring, fire alarm and control module
input.

It supports 4 sets of card readers.

It supports 9 groups of input signal (unlock button *4, door sensor *4, intrusion alarm
*1).

It supports 5 groups of output control (electric lock *4, alarm output *1).

RS485 port, may extend to connect to lift control module, alarm or household control
module. It may connect upper device via RS485.

FLASH storage capacity is 16M (may extend to 32M), max supports 100,000 card
holders and 150,000 records.

It supports illegal intrusion alarm, unlock overtime alarm, forced card alarm and forced
setup. It also supports black-white list and patrol card setup

It supports setup of card period, password and validity. Guest card in additional has
setup of times of use.

It supports 128 groups of schedules, 128 groups of periods and 128 groups of holiday
schedule.

Data storage during outage, built-in RTC (support DST), online upgrading.
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