| NVR1821-9HD | NVR1821-16HD | NVR1821-32HD | NVR1821-64HD | |
| Video/Audio Input | ||||
| IP Camera Input | 9 channel | 16 channel | 32 channel | 64 channel |
| Resolution | QXGA, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF | |||
| Compression Format | H.264 | |||
| Protocols | Onvif, RTSP, KEDACOM | |||
| Incoming Bandwidth | 45Mbps | 80Mbps | 160Mbps | 320Mbps |
| Live Viewing | ||||
| Local Display | 1 x HDMI, 1 x VGA, simultaneously output different content | |||
| Multi Screen Display Local monitor (Main / Secondary): | 1/1, 4/1, 9/1, 1+4/1, 1+8/1 | 1/1, 4/1, 9/1, 15/1, 16/1, 24/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9, 16/16 | 1/1, 4/1, 9/1, 15/1, 16/1, 24/1, 25/1, 35/1, 36/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9, 16/16 | |
| 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) | |||
| Recording | ||||
| Resolution | QXGA, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF | |||
| Mode | Manual / Continuous / Schedule / Event (Pre / Post) | |||
| Event Trigger | Alarm input / Video lost / Motion Detection | |||
| Tag | Supported | |||
| Reliability | Automatic Network Replenishment (ANR) | |||
| Search & Playback | ||||
| Search Mode | Date & Time (Calendar) / Event | |||
| Resolution | QXGA, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF | |||
| Playback | Local monitor: 16 x 1080p@30fps | |||
| Client: 16 x 1080p@30fps | ||||
| Synchronize Playback | Local monitor: 16 x 1080p@30fps | |||
| Client: 4 x 1080p@30fps | ||||
| Function | Slow forward / Fast forward / Loop / Single Frame / E-PTZ | |||
| Storage | ||||
| Max. Internal HDDs | 8 x 3.5’’ HDD | |||
| Max. 32TB (up to 4TB/each) | ||||
| External | IP SAN (iSCSI), up to 10 x IP SAN, Max. 100T, Max. write speed 128Mbps | |||
| e-SATA | ||||
| Function | Disk group / Quota | |||
| Audio | ||||
| Compression | G.711a / G.711u / ADPCM / G.722 / G.722.1c | |||
| Bit rate | 32kbps ~ 64kbps | |||
| Audio Function | Bi-directional audio / Dumb / Mute / Broadcasting | |||
| Alarm | ||||
| Alarm Triggers | Alarm input / Video lost / Motion Detection / System alarm | |||
| Alarm Events | Snapshot / Recording / PTZ preset / Alarm out / Buzzer / Email / Link to Client / Alarm caption | |||
| System | ||||
| Operation System | Embedded Linux | |||
| User Management | Admin / User | |||
| Log Management | User login / User operation / Alarm / Backup / Update | |||
| Aplication Programming | NVR Station SDK | |||
| Network | ||||
| Network Protocol | TCP/IP, UDP, HTTP, DHCP, DNS/DDNS, RTP/RTCP, RTSP, PPPoE, FTP, SNTP, VSIP | |||
| 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 Gigabite network port, RJ45 interface | |||
| Video Out | 1 x HMDI (up to 1920 x 1080@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 | 4 x USB 2.0 | |||
| 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. 30W (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’’ | |||