Attendance Machine

Dahua Input Expansion ARM808-RS

Rs. 2,000.64

~~Rs. 2,400.76~~ Rs. 2,000.64

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Overview

The Dahua ARM808-RS Input Expansion Module is a wired alarm expansion accessory designed to increase the number of alarm zones and outputs in Dahua alarm control systems. It provides eight additional alarm inputs and two programmable alarm outputs, making it suitable for expanding residential, commercial, and industrial intrusion detection systems.

The module communicates through an RS-485 interface and supports multiple zone termination methods, flexible EOL resistor configurations, and remote firmware upgrades. It is designed to work with Dahua ARC3008C, ARC9016C, ARC2008C-V3, and ARC2016C-V3 alarm controllers.

Key Features

✔ 8-channel alarm inputs

✔ 2 programmable alarm outputs

✔ RS-485 communication interface

✔ Address setting through DIP switches

✔ Supports NC, NO, EOL, 2EOL and 3EOL zone configurations

✔ Supports INERTIAL and IMPULSE modes (ARC3008)

✔ EOL resistor configurations of 2.7 kΩ, 4.7 kΩ and 6.8 kΩ

✔ Alarm outputs configurable as NO or NC using jumpers

✔ Remote firmware update through client software

✔ Communication distance up to 300 m over RS-485

Why Choose Dahua ARM808-RS?

Easy System Expansion

Adds additional alarm zones and outputs to Dahua wired alarm controllers without replacing the existing system.

Flexible Zone Configuration

Supports various zone termination methods and EOL resistor settings to accommodate different detector types and installation requirements.

Reliable Communication

The RS-485 interface provides stable communication with the control panel over distances up to 300 meters.

Simple Installation

DIP-switch addressing and jumper-selectable outputs simplify configuration and deployment.

Remote Maintenance

Firmware upgrades can be performed remotely through client software, reducing maintenance costs and downtime.

Technical Specifications

Feature	Specification
Product Type	Input Expansion Module
Alarm Inputs	8 Channels
Alarm Outputs	2 Channels
Output Capacity	30 VDC / 500 mA
Communication Interface	1 × RS-485 Port
Maximum RS-485 Distance	300 m
Device Address	0–15 (ARC9 Series and ARC2 Series), 1–8 (ARC3008)
Zone Terminations	NC, NO, 1EOL, 2EOL, 3EOL, INERTIAL and IMPULSE
EOL Resistor Options	2.7 kΩ, 4.7 kΩ and 6.8 kΩ
Output Mode	NO or NC selectable with jumper
Firmware Upgrade	Remote upgrade by client software
Compatible Controllers	ARC3008C, ARC9016C, ARC2008C-V3 and ARC2016C-V3
Power Supply	12 VDC
Power Consumption	1.2 W
Operating Temperature	-10°C to +55°C
Operating Humidity	10%–90% RH
Dimensions	90 × 62 × 12.6 mm
Net Weight	≤ 1 kg