Technical Specifications
59
5.4
NVR2820
Audio/video
Video system
Video
PAL/NTSC
Video compression
MPEG-4, H.264
Resolution
Main stream:D1, CIF
Minor stream: QCIF, CIF
Frame rate
1/16~30 fps (adjustable)
Code rate
64kbps - 2Mbps (adjustable)
Audio compression
G.711, ADPCM
Transport delay
<300 ms
Recording
Pre-Recording
Maximum alarm pre-recording time: 30 s;
Storage policy
storage with built-in hard disk or external USB hard disk
or disk array
Records replay
4 CIF channels
Backup
Backup
Support USB hard disk and USB DVD writer.
Download
Download the records through the NVR Station
Hard disk
NVR2820 built in hard
disk
One IDE hard disk
recommend Seagate 160G,
320G, 500G, 750G, 1T, 1.5T
and 2T
External USB hard disk
A maximum of 32 external USB hard disks or two disk
arrays can be expanded. JL-SU43 series or HS410S
disk arrays are recommended
Version update
Software Update
Update NVR through U disk, COM port or the NVR
Station
Video unit
Update the video unit through the NVR Station
Event alarm
Motion detection
Supporting a maximum of 16 blocks
Alarm schedule
A maximum of four periods every day
Video source loss
alarm
Supported
Device
networking
Network environment
Supporting networks of different providers, NAT
traversal, and Socks5 proxy
Communication
DHCP, PPPoE, SNTP, DDNS, IEEE802.3, RTP, RTCP,
Summary of Contents for NVR2820-16
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