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AccessoriesCCTV IP
Dahua Alarm Box Expansion Module 16-Input / 6-Output RS485 Interface for NVR & XVR (ARB1606)
- Compatibility: Connects via RS485 to expand NVR/XVR capabilities.
- I/O Capacity: Supports 16 Alarm Inputs and 6 Alarm Outputs.
- Power: Requires 12V DC / 1A power supply.
- Fast shipping to Latvia, as well as Estonia and Lithuania. 2-Year Warranty for all clients (Business & Private).
29,94€
€24.74 (bez PVN)
Power supply requirements 12V/1A (or use 1 to 2 power cable to use the DVR power)
Alarm Box Input/Output module for Dahua NVR/XVR
> Support through RS485 access to NVR&XVR
> Support 16ch Alarm In/ 6ch Alarm Out interface
> Support universal 12V power supply
> Linked alarm can be configured on the alarm input and output interface when the communication is established between XVR/NVR device and the alarm box.
| Unit Box Height | 0.055 |
| Unit Box Length | 0.135 |
| Unit Box Width | 0.115 |
| Alarm In | 16 |
| Alarm Out | 6 |
| RS-485 | 1 |
| Model | ARB1606 |
| Power supply requirements | 12V/1A (or use 1 to 2 power cable to use the DVR power) |
| Units per Shipping Box | 1 |
| Unit Calculated Volume | 0.0008539cubm |
| Product Net Weight | 0.18kg |
| Unit Calculated Weight | 0.2kg |
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What warranty coverage is provided for this expansion module?
Apsardze24.lv offers a comprehensive 2-Year Warranty for all clients, including businesses and private users. Our service center is based in Riga, ensuring fast warranty processing and shipping across Latvia, Estonia, and Lithuania.
How is this expansion module connected to the NVR or XVR?
The ARB1606 connects to your recorder using the RS485 interface via a standard 2-wire twisted pair connection (A and B terminals). Once wired, the alarm linkage parameters are configured directly through the NVR or XVR software interface.
Can the alarm outputs directly power high-voltage devices like floodlights?
No, the alarm outputs are relay switches intended to trigger external relays or self-powered sirens. You should not connect high-voltage AC loads directly to the module terminals; an intermediate relay is required for such devices.
Can I connect multiple ARB1606 units to a single NVR?
Yes, depending on the NVR model's capacity, you can often cascade multiple units. The module features a DIP switch that allows you to set a unique address (0, 1, 2, or 3) so the recorder can distinguish between different boxes on the same RS485 bus.
Is this alarm box compatible with non-Dahua recorders?
The device is designed specifically for Dahua communication protocols over RS485. Compatibility with third-party brands is not guaranteed and often unlikely; for specific technical compatibility verifications, please contact [email protected].
Does the package include a power supply adapter for the ARB1606?
No, the manufacturer typically does not include a power supply in the box. You must provide a separate 12V DC / 1A power adapter, or use a power splitter cable to share a power source with your recorder if the amperage allows.
What happens to the alarm inputs if the RS485 connection is lost?
If communication between the NVR and the alarm box is severed, the module cannot transmit alarm signals to the recorder for processing or recording. It is crucial to ensure the RS485 wiring is secure and shielded from interference.
What type of sensors can be wired into the 16 alarm inputs?
The inputs accept standard dry contact signals from wired security devices such as PIR motion detectors, magnetic door contacts, and glass break sensors. The system supports configuration for both Normally Open (NO) and Normally Closed (NC) circuits.
Why do I need to add the Dahua ARB1606 module to my security system?
This module is essential if your current Dahua NVR or XVR lacks sufficient physical alarm ports. It expands your system by providing 16 additional alarm inputs (for sensors) and 6 alarm outputs (for sirens) via a single RS485 connection.
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