Ultra NVR616DR-128-4KS2 - Video recorder Dahua Technology - Free user manual and instructions
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| Product Type | Network Video Recorder (NVR) |
| Brand | Dahua Technology |
| Model | Ultra NVR616DR-128-4KS2 |
| Video Channels | 128 IP Cameras |
| Recording Resolution | Up to 12MP (4K) |
| Video Compression | H.265, H.264, MJPEG |
| Hard Drive Support | Up to 16 SATA HDDs (max 10TB each) |
| RAID Support | RAID 0/1/5/6/10 |
| Network Interface | 2x 10/100/1000 Mbps Ethernet |
| Power Supply | AC 100-240V, 50/60Hz |
| Dimensions (WxDxH) | 483 x 503 x 133 mm (19-inch rackmount) |
| Weight | Approximately 12.5 kg (without HDDs) |
| Operating Temperature | 0°C to 45°C |
| Power Consumption | ≤ 40W (without HDDs) |
| AI Features | Face detection, ANPR, perimeter protection |
| Maintenance | Dust-free environment; clean vents with soft brush; avoid moisture |
| Safety | Overvoltage protection; fan failure alarm; secure HDMI and VGA outputs |
| Spare Parts & Repairability | Hard drives, power supply unit, fans, and mainboard replaceable |
| General Information | Supports ONVIF, PoE, and ePoE; compatible with Dahua cameras |
Frequently Asked Questions - Ultra NVR616DR-128-4KS2 Dahua Technology
How many cameras can the Ultra NVR616DR-128-4KS2 support?
This NVR supports up to 128 IP cameras simultaneously, making it suitable for large-scale surveillance systems.
What hard drives are compatible with this NVR?
It supports up to 16 SATA hard drives with a maximum capacity of 10TB each. For best performance, use enterprise-class HDDs designed for 24/7 recording.
Does the NVR support RAID configurations?
Yes, it supports RAID 0, 1, 5, 6, and 10 to provide data redundancy or improved performance depending on your needs.
Can I view the footage remotely?
Yes, the NVR supports remote access via the Dahua DMSS app or web browser. You can view live and recorded footage over the internet.
What is the maximum recording resolution?
The NVR can record and display video up to 12MP (4K) per channel, ensuring high-detail footage for analysis.
How do I set up the NVR for the first time?
Connect the NVR to your network and cameras via PoE switches or directly. Use the Quick Start Wizard on the local interface to configure IP addresses, recording schedules, and user accounts.
Does this NVR support AI analytics?
Yes, it includes built-in AI features such as face detection, automatic number plate recognition (ANPR), and perimeter intrusion detection to enhance security.
What should I do if the NVR overheats?
Ensure the ventilation slots are not blocked and the ambient temperature is below 45°C. The NVR has built-in thermal sensors that trigger an alarm if overheating occurs.
Can I replace the power supply myself?
Yes, the power supply unit is field-replaceable. However, ensure the replacement unit matches the original specifications (AC 100-240V, 50/60Hz) to avoid damage.
How long is the warranty for this NVR?
Dahua typically offers a 2-year limited warranty for this model. Check your purchase invoice or contact Dahua support for specific terms.
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