Dahua DHI-NVR7A24DR-256-4T Specifications
Main Processor
Operating System
Motherboard
Embedded Board (Support 7x24 operation)
Memory
Case
Hot-dipped galvanized sheet steel(1.2mm thickened), High-precise aluminum alloy slide, Patented pull-out rack design
Fan
Dual ball screw bearing fan, MTBF>100,000h, support replacement during operation
System Interface
Input
Transmission
Recording
Preview
20Ch@1080P / 40Ch@720P / 68Ch@D1 (Screen 1 - 2 , default)
+16Ch@1080P / 16Ch@720P / 16Ch@D1 (Screen 3 - 6) (Optional)
Playback
16Ch@1080P / 16Ch@720P / 16Ch@D1 (128Mbps in Raid 5 mode)
8Ch@1080P / 16Ch@720P / 16Ch@D1 (64Mbps in single HDD mode)
Recording Resolution
8MP, 5MP, 3MP, 1080P, 720P, 960H, D1, CIF, QCIF, VGA
Audio
Recording Mode
Manual, Schedule(Regular (Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), Stop
Alarm Recording
Video loss, Camera blank, Motion detection, External alarm
Backup Mode
Network download / USB HDD/USB CD&DVD-RW / eSATA Device
Display Interface
2 HDMI +1 VGA ( Optional : 6 HDMI , 1 VGA )
Video Output
2 HDMI/1 HDMI+1 VGA (Optional: 6 HDMI sync output / 1 VGA+5 HDMI sync output)
Multi-screen Display
The 1st screen: 1 / 4 / 8 / 9 / 16 / 25 / 36 / 64
The 2nd-6th screens: 4 (optional)
Privacy Masking
4 customized zones for privacy masking for each area
Internal HDD
HDD Mode
Single, Raid 0, Raid 1, Raid 5 (Support global HDD Hot-standby)
HDD Installation
Independent HDD rack, support hot swap
Network Interface
4 RJ-45 ports (10/100/1000Mbps)
Ethernet Port
4 Ethernet ports joint working or 4 independent 1000Mbps Ethernet ports
Motion Detection
Zones: 396(22 x 18), Sensitivity: 1 - 6 (level 6 is highest)
Alarm Input
4Ch, low level effective, green terminal interface
Relay Output
4Ch, Relay contact (1A@24VDC), NO/NC programmable, green terminal interface
Front cover
Support hot swap, 7" inCh HD LCD (1920 x 1080 / 1280 x 1024 / 1024 x 768)
USB
4 USB ports (2 USB2.0 on front-panel, 2 USB3.0 on rear panel)
eSATA
SAS
Power Supply
AC 100V - 240V,47 - 63Hz , Redundant
Power Consumption
Working Environment
Working Humidity
10% - 80% ( non-condensation)
Dimension(WxDxH)
4U, 480mm x 494mm x 175mm (18.90" x 19.45" x 6.89")
Weight
Installation
UPC Code
