Technical Specifications
55
5 Technical
Specifications
5.1
NVR2820L
Audio/video
Video compression
MPEG-4, H.264
Resolution
The same as encode devices
Frame rate
1/16~30 fps (adjustable)
Code rate
64kbps - 4Mbps (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 720P, 4 D1,or 4 CIF channels
Backup
Backup
Supported USB hard disk
Download
Download the records through the NVR Station
Hard disk
NVR2860 built in hard
disk
One SATA hard
disks
recommend Seagate 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, recommend JL-SU43 series
、
HS410S
、
Kedacom VS300/VS400 disk array.
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 4 areas
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
protocol
DHCP, PPPoE, SNTP, DDNS, IEEE802.3, RTP,
RTCP, and VSIP
Conventional
Operating voltage
12VDC
Содержание NVR2820-16
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