NVR1821-04A

4 Bay High-performance Network Video Recorder

Features

  • High-performance, High-capacity
    • H.265 supported
    • 4 x 4K@30fps / 16 x 1080p@30fps video decoding capability
    • Up to 64 channels
    • Up to 320Mbps incoming bandwidth
    • 256Mbps output bandwidth
    • 64 user access simultaneously
    • Max. 4 HDDs up to 24TB storage
    • e-SATA storage supported
  • Easy to install
    • Automatic network organizing
    • Build-in DHCP server
  • High reliability
    • Embedded Linux
    • Low power consumption
    • Support Automatic Network Replenishment (ANR)
    • Support Packet Loss Recovery (PLR)
  • Abundant functions and features
    • HDMI/VGA simultaneously output different content
    • E-Map, TV-Wall supported
    • Bi-directional audio, Broadcasting
    • NAT, Socks5
    • Alarm management
    • Free CMS (NVR Station), supports 128 NVR simultaneously
    • CMS supports 6 screens simultaneously (4 x Live viewing, 1 x E-Map, 1 x TV-Wall)

Technical Specification

Part Number

NVR1821-04009A NVR1821-04016A NVR1821-04032A

Video/Audio Input

IP Camera Input 9 channel 16 channel 32 channel
Resolution 8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Compression Format H.265 / H.264
Protocols Onvif, RTSP, KEDACOM
Bitrate 64kbps ~ 16384kbps
Incoming Bandwidth 90Mbps 160Mbps 320Mbps

Live Viewing

Local Display 1 x HDMI, 1 x VGA, simultaneously output different content
Multi-Screen Display Local monitor
(Main / Secondary):		 1, 4, 9, 1+4, 1+8, 1/1, 4/1 1, 4, 9, 15, 16, 1+4, 1+8, 1+9, 1+15, 1/1, 4/1, 9/1, 15/1, 16/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9 1, 4, 9, 15, 16, 36, 1+4, 1+8, 1+9, 1+15, 1/1, 4/1, 9/1, 15/1, 16/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9
Multi-Screen Display Client up to 4 screens simultaneously:
1, 3, 4, 9, 12, 16, 20, 25, 30, 36, 42, 49, 56, 63, 64
1+5, 1+7, 1+8, 1+9, 1+11, 1+15, 1+16, 1+33, 1+47, 1+48
E-Map Live Viewing in E-Map (NVR Station)
Function E-PTZ / Scheme / Polling / TV-Wall (optional with decoder) / Virtual channel

Recording

Resolution 8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Mode Manual / Continuous / Schedule / Event (Pre / Post)
Event Trigger Supported
Tag Supported
Reliability Automatic Network Replenishment (ANR)

Search & Playback

Search Mode Date & Time (Calendar) / Event
Resolution 8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Playback (Local Monitor) 4 x 4K@30fps / 9 x 1080p@30fps 4 x 4K@30fps / 16 x 1080p@30fps
Playback (Client) up to 16 x 4K@30fps
Synchronize Playback (Local Monitor) 4 x 4K@30fps / 9 x 1080p@30fps 4 x 4K@30fps / 16 x 1080p@30fps
Synchronize Playback (Client) 4 x 4K@30fps
Function Slow forward / Fast forward / Loop / Single frame /E-PTZ / Slice playback

Storage

Max. Internal HDDs 4 x 3.5’’ HDD

Max. 24TB (up to 6TB/each)
External IP SAN (iSCSI), up to 10 x IP SAN, Max. 100T (optional)

e-SATA
Function Disk group / Quota / Disk dormancy

Audio

Compression G.711a / G.711u / ADPCM / G.722 / G.722.1c / AAC-LC
Bit rate 32kbps ~ 64kbps
Audio Function Bi-directional audio / Dumb / Mute / Broadcasting

Alarm

Service Alarm Triggers Alarm input / Video lost / Motion detection / Tampering / Guard line / Defocus / Scene change / Enter guard area / Exit guard area / Object left / Object removal / Gathering / Audio surge
System Alarm Triggers Device disconnected / No disk / Disk error / IP Address conflict / Network disconnected / Low speed / Insufficient recording space / MAC address conflict / Insufficient snapshot space
Alarm Events Snapshot / Recording / PTZ preset / Buzzer / Email / Link to Client / Alarm caption / Live view in first window / Link to TV Wall / Link to secondary screen / Full screen viewing

System

Operation System Embedded Linux
User Management Admin / User
Log Management User login / User operation / Alarm / Backup / Update
Application Programming NVR Station SDK

Network

Network Protocol TCP/IP, UDP, HTTP, DHCP, DNS/DDNS, RTP/RTCP, RTSP, PPPoE, FTP, SNTP, VSIP, UPNP, SMTP,SNMP, IPv4, IPv6 (optional)
Viewer Software CMS (NVR Station) / Web / iOS app / Android app
Max. User Access 64 Users
Output Bandwidth 256Mbps
Function NAT / Socks5 / Multiple network access / Packet loss recovery / Auto network organizing
Network Test Supported

Interfaces

Ethernet 2 x Gigabit network port, RJ45 interface
Video Out 1 x HMDI (up to 3840 x 2160@60Hz)

1 x VGA (up to 1920 x 1080@60Hz)
Audio In / Out 1 x RCA Line in / 1 x RCA Line out
Alarm In / Out 2 x Inputs / 2 x Outputs
Control 2 x RS485
USB 2 x USB 2.0 1x USB3.0
e-SATA 1 x e-SATA

Environmental

Operating Temperature -10°C ~ 55°C / 14°F ~ 131°F
Operating Humidity 10% ~ 90%

Electrical

Power 100 ~ 240V AC, 50 ~ 60Hz
Power Consumption Max. 15W (HDD not included)

Mechanical

Weight 7.6Kg / 16.72lb (HDD not included)
Dimensions 443 x 461 x 88mm / 17.44’’ x 18.15’’ x 3.46’’

Resource

Specification Document

NVR1821-04A Specification Document

Release Date: 2015/8/2 PDF 2 MB
NVR1822-HD NVR1821-08A