| Video forwarding |
64-channel forwarding at 320 Mbit/s (160 Mbit/s with intelligent services enabled) |
| Playback/Download |
32‐channel playback at 160 Mbit/s |
| Video input |
64-channel access at 320 Mbit/s (160 Mbit/s storage with intelligent services enabled) |
| HDMI |
Two HDMI ports for outputs from different sources: one HDMI 2.0 port with 4K output resolution and one HDMI 1.4 port with 1080p output resolution |
| VGA |
External conversion cables can be used to extend VGA ports. |
| Preview |
Primary screen: 1/4/8/9/16/32 panes; secondary screen: 1/4/8/9/16 panes |
| Client |
iClient (installed on PCs), managing up to 16 servers |
| Camera access |
64 cameras connected to one server |
| Memory |
8 GB DDR4 |
| Processor |
64-bit multi-core Arm processor |
| Disk type |
Enterprise‐level disks: 4 TB, 6 TB, 8 TB, or 10 TB Monitoring‐level disks: 4 TB or 6 TB System storage: 32 GB eMMC |
| RAID level |
RAID 0, RAID 1, and RAID 5 |
| Disk port |
SATA3.0 |
| Number of disks |
8 |
| Recording mode |
Manual recording, scheduled recording, and alarm-triggered recording |
| Download mode |
High-speed download, batch download, download by time segment, and onboard recording download |
| Search mode |
By time or event |
| Recording playback |
LDU: multi-channel playback and segment-based playback iClient: one- or more-channel recording playback on the video wall |
| Watermark |
Digital watermarks can be added to the video from cameras and alarms are generated when the video is tampered with. |
| System login |
The LDU supports only one user at a time. |
| Media security |
Multiple encryption algorithms such as AES256 |
| Data Safe |
Two copies of key system data are stored. If a fault occurs, service data can be automatically restored. |
| Media transmission |
Bandwidth adaptation, forward error correction (FEC) 1.0, super error concealment (SEC) 2.0, and multicast |
| Platform access |
Connected to the platform through GB/T 28181 or ONVIF for services such as live video viewing, recording playback, PTZ controls, and alarm reporting (only for NVRs) |
| Device access |
SDK, GB/T 28181, and ONVIF standards |
| Video format |
H.264, H.265, and MJPEG |
| Log download |
Operation and run logs |
| Management mode |
C/S client and LDU client |
| USB port |
3 x USB port (2 x USB 2.0 port on the front panel and 1 x USB 3.0 port on the rear panel) |
| Network port |
2 x 10/100/1000 Mbit/s Ethernet ports; support for the load balancing and multi‐address modes |
| Audio input |
1 RCA port |
| Audio output |
1 RCA port |
| Alarm port |
4 alarm‐in ports and 2 alarm‐out ports |
| Weight (without hard disks) |
6.6 kg |
| Operating temperature |
–5°C to +55°C |
| Operating humidity |
20% to 90% |
| Power consumption (including hard disks) |
137 W |
| Fan |
Intelligent rate control |
| Power supply |
110–220 V AC, 200 W |
| Dimensions (H x W x D) |
86.1 mm (H) x 447 mm (W) × 470 mm (D) |
| Chassis |
2 U |
| Certification |
CE, RoHS, REACH, WEEE, CE, CB, CCC, CQC, GB/T 28181 commercial inspection by multiple countries, and HDMI |
