Dahua alarm box that adds 16 alarm inputs and 6 alarm outputs to a recorder over the RS485 bus. Wired detectors, door contacts or push buttons are connected to the inputs; sirens, lights or locks to the outputs. This way the recorder can react to those events, for example by starting to record or triggering a siren.
Each box is identified by a 2-bit DIP switch, so a single recorder supports up to 4 boxes: 64 inputs and 24 outputs in total.
Dahua states compatibility with NVR and XVR recorders via RS485. What is needed is for the recorder to have an RS485 port and support the alarm box, so check the model. It is powered at 12 V DC and consumes 0.2 W.
Key features
- 16 alarm inputs and 6 alarm outputs
- Connection to the recorder via RS485
- Up to 4 boxes per recorder: 64 inputs and 24 outputs
- Addressing by 2-bit DIP switch
- Compatible with Dahua NVR and XVR recorders with RS485
- 12 V DC power supply, 0.2 W consumption
Specifications
| Brand |
Dahua |
| Model |
ARB1606 |
| Alarm inputs |
16 |
| Alarm outputs |
6 |
| Communication |
RS485 |
| Addressing |
2-bit DIP switch, up to 4 boxes per recorder |
| Indicators |
Power and communication LEDs |
| Power supply |
12 V DC, 1 A |
| Power consumption |
0.2 W |
| Operating temperature |
-10 to 55 °C |
| Humidity |
10-90% RH |
| Dimensions |
97.68 × 90.3 × 33 mm |
| Weight |
Up to 0.2 kg |
