| Model | DH-EVS7048S-R | ||||
|---|---|---|---|---|---|
| Controller | Single Controller | ||||
| Memory | 8G Standard，up to 16G | ||||
| SAS interface | 2 SAS interfaces | ||||
| 1000 Mbps Ethernet port | 1 management port，4 data port | ||||
| Expansion | 4-1000Mbps Ethernet port or 2-10000Mbps Ethernet port | ||||
| USB | 1 USB3.0 | ||||
| Multiplex interface | 1 USB2.0 and eSATA multiplex interface | ||||
| Serial | 1 RS232，1 RS485 | ||||
| Alarm | 4/4 channel In/Out | ||||
| HDD compatibility | Support 1TB / 2TB / 3TB / 4TB / 6TB HDD Support mixed SAS and SATA HDDs，support SSD & 2.5 inch HDD | ||||
| Power redundant | Dual power supply redundant | ||||
| Main processor | 64 - bit high-performance multi-core processors | ||||
| Operating System | Embedded LINUX | ||||
| User interface | WEB | ||||
| IPSAN mode | Support IPSAN direct storage | ||||
| IPSAN function | Support logic volume dynamic online expansion | ||||
| Video stream mode | Support RTP/RTCP/RTSP/UDP/HTTP/NTP/SNMP/iSCSI/SMB/NFS/FTP protocol | ||||
| Network protocol | Support RTP/RTCP/RTSP/UDP/HTTP/NTP/SNMP/iSCSI/SMB/NFS/FTP protocol | ||||
| Streaming media protocol | Support access protocol such as Onvif，GB28181 | ||||
| Frame extracting storage | Support frame extracting storage，time and frame extracting rate can be settled | ||||
| Cluster service | Support N+M cluster | ||||
| Performance index | Up to 768ch(1536Mbps) front-end access、storage、transmit，64ch （128Mbps）network playback | ||||
| Hard disk | 48 HDDs, expandable up to 240 HDDs | ||||
| HDD install | Independent HDD holder | ||||
| HDD Hot Standby | support hot-swappable, on-line replacement | ||||
| HDD using mode | Single HDD、RAID0、1、5、6、10、50、60、JBOD、Hot-Spare（Hot Standby） | ||||
| HDD management | Non-working HDD sleep, in favor of heat dissipation and power consumption reduction, prolong life-span of HDD | ||||
| HDD processing | Support HDD bad tracks mapping，prolong life-span of HDD | ||||
| HDD status inspection | Support HDD preview before use、periodic inspection during use | ||||
| One-click RAID | RAID Support one-click set RAID immediately | ||||
| RAID set-and-play | RAID can be used directly after settled | ||||
| RAID reset | Support adjust RAID reset speed dynamically，ensure system load balance | ||||
| RAID write synchronous | Support RAID write synchronous, ensure to data safety | ||||
| Video playback | Support WEB-client video playback；support search by second； adjustable playback speed | ||||
| Port property | Support Ethernet-port binding or mode such as load balance, fault-tolerant | ||||
| Power supply | 100V~240V，47~63Hz，support hot-swap | ||||
| Fan | DC 12V,1.5A, flabellum diameter：80mm，support hot-swap | ||||
| Power Consumption | 1000W（include HDD） | ||||
| Working temperature | 0℃~40℃ | ||||
| Working Humidity | 10%~80%（non-condensation） | ||||
| Storage Temperature | -20℃～70℃ | ||||
| Storage Humidity | 5%~90%（non-condensation） | ||||
| Working Elevation | -60m~5000m | ||||
| Chassis | Hot-dip galvanized steel sheet(1.2mm thickened) High-precise aluminum alloy slide Self-patent drawer-type HDD rack | ||||
| Dimension(W×D× H) | 444.4mm*352.8mm*494m（without lug）， 444.4mm*352.8mm*532mm（with lug） | ||||
| Weight | 49.92Kg（exclude external packing, exclude HDD) | ||||
| Mounting | 19 feet standard rack-mounted | ||||
