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Powered by dual-core Intel Atom CPU and 1GB memory, the VS-6020 Pro VioStor NVR is the high performance network surveillance system for monitoring, video recording and playback from multiple IP cameras. The Linux-based system supports PC-less quick configuration, monitoring of IP cameras over the network, and video playback by connecting a monitor to the built-in VGA connector, a USB keyboard, and a USB mouse. The VioStor NVR supports simultaneous megapixel recording (up to 8-megapixel) and unique multi-server monitoring, a feature which allows monitoring of up to 120 IP cameras from multiple QNAP NVR servers at the same time. No extra software is required on the PC. In order to enhance system security, the NVR provides advanced event management feature for the administrator to define more handling options when different events or alarms are triggered.
The VioStor NVR supports diversified recording features, such as scheduled recording, alarm recording by multiple alarm events, alarm recording schedule, and pre-alarm and post-alarm recordings. An intuitive user interface is provided for the users to view the monitoring screens, connection and recording status, and network bandwidth. Video search by intelligent video analytics (IVA), such as motion detection, foreign object, missing object, out of focus, and camera occlusion is also available for more efficient search of recording data.
Other class-leading server features of the VioStor NVR include advanced data protection by RAID 1/ 5/ 6, Online RAID Capacity Expansion, Online RAID Level Migration, dual Giga LAN ports for network failover, load-balancing, and multi-IP setting, and so on. Moreover, the VioStor NVR can be easily set up in 6 simple steps by the IE browser. All the powerful features can also be maintained by the web-based interface.
Powerful Features of VioStor NVR (Network Video Recorder):
 Real-time monitoring and recording (video/audio) from multiple IP cameras (up to 20 channels)- High quality H.264, MPEG-4, M-JPEG, and MxPEG recording (depending on the camera models)
- Complete recording features
- Megapixel recording (up to 8-megapixel)
- PC-less network surveillance by HD local display
- Multi-server monitoring (up to 120 channels)
- Dual display mode
- Video search by date and time, timeline, and event
- Intelligent video analytics (IVA)
- Multi-view playback from multiple NVR servers
- Digital watermarking
- Advanced event management
- Real-time SMS and email alert
- Live monitoring on Windows PDA phone by VSMobile
- Trouble-free installation
- Linux-embedded, highly reliable standalone NVR
- Advanced RAID with hot-swappable hard drives design
- Online RAID capacity expansion and online RAID level migration
- UPS Support for 24/7 service
- Intelligent auto power on after power recovery
- Energy-saving design (only 25W in operation)
Surveillance Features
Complete Recording Functions
High Quality H.264, MPEG-4, M-JPEG and MxPEG Recording (depending on the camera models)
All-in-one Recording Functions
 Continuous/manual/scheduled recording *- Alarm recording (by multiple events), alarm recording schedule *
- Pre-alarm and post-alarm recording
- Audio recording
* You can set different recording schedules for different cameras.
 High Performance Megapixel Recording
VioStor NVR supports high performance megapixel recording (up to 8-megapixel) from various IP cameras.
 Generic IP Cameras Support
VioStor NVR provides an interface for the users to enter the JPEG CGI command of their IP cameras to retrieve the video and audio data from the IP cameras.
PC-less Network Surveillance by HD Local Display via VGA Connector 
Diversified Modes for Local Monitoring
- 1/4/6/8/9/10/12-channel display mode
- Sequential display mode
High Resolution Local Display
VioStor NVR supports widescreen VGA monitor or TV of different resolutions, up to full HD (1920 x 1080).
Convenient Control of PTZ and Speed Dome Cameras
You can adjust the PTZ cameras directly and view the preset positions of the IP cameras on the local display interface of VioStor NVR.
Digital Zoom
You can zoom in or zoom out the video image on the monitoring and playback interfaces.
On-screen Event Alert
When an event occurs, an alert icon will be shown instantly on local monitoring page. You can click the icon to view the alert details.
Video Search
VioStor NVR supports convenient video search by date and time on the local playback interface.
Local Video Playback on VGA Monitor or TV 
VioStor NVR supports video playback on a VGA monitor or TV.
Quick System Setup
You can set up VioStor NVR in simple steps on the local display interface.
Network Surveillance by Web-based Interface (IE Browser)
Real-time Remote Monitoring
Multi-server Monitoring
You can connect to one VioStor NVR and monitor up to 120 channels from other VioStor NVR servers over LAN or WAN by an IE browser.
Diversified Remote Monitoring Modes
- 1/4/6/8/9/10/12/16/20/25/36/42-channel and sequential display mode
- Exclusive Picture-in-Picture mode
- Multi-display mode
 Smart Control of PTZ & Speed Dome Cameras
You can adjust the PTZ cameras directly by the web user interface of VioStor NVR.
 Preset Position Control and Auto Cruising
You can view the preset positions of an IP camera by clicking the corresponding number buttons on the monitoring page. You can also choose the preset positions and configure the time interval on the PTZ cameras for periodic monitoring.
 Instant Event Notification
When alarm recording is enabled and an event occurs, an alarm icon is shown instantly on the monitoring page. You can click the icon to view the alert details.
 Digital Zoom
You can zoom in or zoom out the video image on the monitoring and playback interfaces.
 E-map
VioStor NVR provides exclusive E-map function for users to upload the pictures of the monitoring locations.
 Remote Video Playback
Multi-view Playback
You can use the multi-view playback feature to divide a video equally into multiple sessions for playback in a multi-view window, or play the videos of multiple IP cameras in the multi-view window simultaneously.
Video Search by Date and Time, Timeline, Event, Intelligent Video Analytics (IVA)
VioStor NVR supports quick video search by date and time, timeline, event, and intelligent video analytics (IVA), including motion detection, foreign object, missing object, out of focus, and camera occlusion.
 How to use intelligent video analytics on playback
 Digital Watermarking
VioStor NVR supports digital watermarking to protect the exported videos and snapshots from unauthorized modification. You can use the Watermark Proof utility to verify whether or not the videos and snapshots are original.
Event Management
 Advanced Event Management
VioStor NVR supports various event handling options for different kinds of events.
- Events: Motion detection, alarm input, connection failure, recording failure, and user-defined event.
- Actions: Video recording, email alert, SMS alert, buzzer, PTZ camera control, alarm output, and user-defined action.
 Real-time SMS and Email Alert
You can configure the SMTP server and SMSC server settings on the NVR in order to receive instant system warning or error messages by email and/or SMS.
Convenient Backup Solution
Scheduled Remote Replication
VioStor NVR supports scheduled remote replication for secure data backup to a remote QNAP NAS on the local network.
One-Touch-Auto-Video-Backup
You can configure the one-touch-auto-video-backup button on the front of the NVR to copy the data from the NVR to an external storage device when the button is pressed.
Security Control
 Authority Management
You can create multiple users on VioStor NVR. The users created on the NVR can be assigned to different user groups (administrator/system manager/user) with different rights of monitoring, playback, PTZ control, and audio monitoring.
 Auto Logoff
VioStor NVR supports automatic user logoff from idling configuration pages. The administrator can set the timeout period to log off the users when the idling time has reached.
 Host Access Control
You can specify the host or IP connections to be allowed and denied to access NVR.
 On-line User List
You can view the record of users currently logged on and previously logged on to the NVR.
 Detailed Event Logs
VioStor NVR provides detailed event logs of system warning, hard disk error, network disconnection, UPS status, users' networking services and recordings access record.
High Reliability and Smart Features
Advanced RAID with Hot-swap Design
VioStor NVR supports RAID 0, 1, 5, 6, 5+hot spare, 6+hot spare, single, and JBOD disk configurations. Its hot-swap design allows a failed drive of a RAID disk volume to be replaced by hot swapping without turning off the server.
 Online RAID Capacity Expansion and Online RAID Level Migration
- Online RAID Capacity Expansion
The storage capacity of a RAID configuration can be expanded by replacing the hard drives with larger ones. All the data will be kept and seamlessly moved to the newly installed hard drives. There is no need to turn off the server during the process.
 Online RAID Level Migration
You can upgrade the disk configuration to higher RAID level with the data retained without turning off the server.
 S.M.A.R.T. & Advanced HDD Health Scanning (HHS)
S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) helps you monitor the hard disk drives status. VioStor NVR supports HHS (HDD Health Scan) for disk checking and bad blocks scanning.
 Automatic System Startup after Power Recovery
VioStor NVR supports automatic power-on when power resumes after power outage.
 UPS Support for 24/7 Service
VioStor NVR supports APC, CyberPower, and MGE UPS devices to provide continuous services 24/7 against unexpected power outage.
DOM Architecture with Embedded Fail-safe Dual OS for Enhanced Reliability
All the OS and applications of VioStor NVR are embedded on the DOM. VioStor NVR allows system booting without accessing the physical disk sectors which prevents unsuccessful system startup caused by bad block sectors or file errors on the hard drives. Two operating systems are built on the DOM for system booting alternatively upon every system startup. When one fails, the other one will be used to boot up instead, and the failed OS is recoverable from the other healthy OS.
Network Services
 Dual Gigabit LAN Ports
- Failover
This mode allows VioStor NVR to sustain the failure of one network port to provide continuous services.
- Load-balancing
This mode provides bandwidth aggregation to boost the file transfer speed (works with managed Ethernet switch with 802.3ad configured).
- Multi-IP Setting
Two IP settings can be configured on the NVR to allow network access from two different subnets.
Built-in DDNS Service
VioStor NVR supports dynamic DNS (DDNS). You can register a unique domain name from a DDNS service provider and assign it to your NVR.
Built-in NTP Server
You can enable this feature to allow the connected IP cameras to synchronize their date and time settings with the NVR.
 Convenient Data Access
The video data of VioStor NVR can be accessed by the following protocols with proper access rights:
- Network Places (SMB/CIFS)
- Web file management (HTTP)
- FTP server
Easy Configuration and Management
System Setup in Simple Steps
You can set up the NVR easily in simple steps by the local display and web-based interface.
Web-based User Interface
All system configurations, monitoring, and playback can be finished by the web-based interface.
Smart Search of IP Camera for Quick Settings
QNAP provides an intelligent software utility Finder for quick IP camera search and system settings.
Excellent Hardware Design
Dual-core Intel Atom Processor and 1GB Memory for Superior System Performance
Powered by dual-core Intel Atom processsor and 1GB memory, VioStor NVR delivers superior performance for different surveillance applications.
Green NVR Solution: Energy-Saving Linux-embedded System
VioStor NVR is a Linux-embedded system which is more power-saving and less vulnerable to virus attack compared to PC-based surveillance solutions.
Touch-N-Go PC-less Installation
You can use the LCD display to complete the first time installation of the NVR in a few simple steps. The NVR will automatically complete the hard disk formatting and RAID building.
Up to 12TB Storage Capacity for Long-term Recording
VioStor NVR supports maximum 6 high-speed SATA hard drives for recording large amount of video data in a long period of time.
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