User Manual for QNAP VioStor VS-8248-PRO 48-Channel 8-Bay Network Video Recorder Click to enlarge the picture
Contents of the user manual for the QNAP VioStor VS-8248-PRO 48-Channel 8-Bay Network
- Product category: Network Video Recorders (NVRs) QNAP
- Brand: QNAP
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for QNAP Network Video Recorders (NVRs)
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User manual for the QNAP VioStor VS-8248-PRO 48-Channel 8-Bay Network contain basic instructions
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for possible defects should you make a warranty claim. Download an official QNAP user manual in which you will find instructions on how to install, use, maintain and service your product.
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Product description The QNAP VioStor VS-8248-PRO+ 48-Channel 8-Bay Network Video Recorder is an SMB-grade, tower-based network surveillance server that supports real-time video/audio monitoring, megapixel recording (up to 10MP), and playback from multiple IP cameras. Powered by a Dual-Core Intel Core i3 processor and 8GB of DDR3 memory, it is capable of recording videos from up to 48 IP cameras and offers up to 450 Mb/s throughput to ensure stable recording of multiple megapixel IP cameras.
Even without a PC, the NVR can be configured to perform monitoring tasks with local display by connecting a USB mouse, USB keyboard, and HDMI monitor to deliver lag-free live video monitoring in full HD (1920 x 1080) resolution. Using iOS and Android devices, the Vmobile app provides camera live-view, PTZ control, instant event notifications, video snapshot, video playback, and searching for videos by date and time. Another mobile app, Vcam, allows you to turn your mobile device into a network camera and directly save recordings to your VioStor NVR for portable surveillance options.
The QSCM Lite is a free app provided by QVR that allows you to deploy up to 16 QNAP NVRs and 256 cameras to conduct central monitoring, playback, and management. With no extra server hardware required, QSCM Lite can turn the NVR into a CMS server. QSCM Lite can be freely downloaded from the integrated NVR App Center. The QVR 5.1 software offers a multi-window design that allows concurrent multitasking and enables administrators to switch between tasks.
QVR 5.1 provides an intuitive playback interface for distinguishing between regular and alarm recordings in the timeline bar. You can also enable IVA (Intelligent Video Analytics) to quickly search videos corresponding to particular modes (includes motion detection, foreign/missing object, out of focus, and camera occlusion) to screen for critical recordings.
The QVR 5.1 software provides flexible options to set up IP camera recording, including manual recording and scheduled recording. You can set up the system to only record when motion is detected or other events occur. The smart recording function can also automatically switch the recording detail to a higher resolution when alarms are triggered.
You can directly configure IP camera recording schedules when needed without leaving the Live-view page and maintain a seamless monitoring so you won't miss any suspicious events. You can also visualize IP camera deployment with the e-map function. Just upload the pictures of the monitored locations and drag and drop the IP camera icons to the right place on the e-map for monitoring your surveillance deployment.
With the QVR system, users can manage and monitor multiple IP cameras on a real-time basis using web browsers, and attain the first-hand status of monitored corners. You can directly adjust the PTZ (Pan/Tilt/Zoom) functions of supported cameras for monitoring every desired corner and detail. Auto-cruising is also supported to allow you to define preset positions for PTZ cameras to automatically adjust their monitoring angles to preset positions by the time interval.
The transcoding capabilities of the NVR enables users to watch videos stored in centralized locations via the Internet when they have low-bandwidth connections. This feature adapts to bandwidth limits and/or devices that lack the hardware or codecs to play video files by converting a video file to a lower resolution before transferring it across the internet. The original high definition video is still retained without any changes being made to it, balancing the whole surveillance system for local recordings and remote playback. By installing the Storage Expansion app on a QNAP Turbo NAS, you can connect the VioStor NVR with the Turbo NAS via a network to flexibly enlarge the total storage capacity of the VioStor NVR. If the expanded storage is not enough, QNAP REXP expansion enclosures can be used to expand the storage space on the connected Turbo NAS for increasing storage capacity.
The NVR supports multiple port-trunking modes, enabling IT administrators to set up link aggregation to increase total data transmission capability. Failover is also supported to ensure continuous system operation. The supported port-trunking modes are Balance-rr (Round-Robin), Active Backup, Balance XOR, Broadcast, IEEE 802.3ad, Balance-tlb (Adaptive Transmit Load Balancing), and Balance-alb (Adaptive Load Balancing).
The NVR supports comprehensive RAID configurations and hot-swap functionality for replacing hard drives without interrupting system operation. RAID recovery technology also assists if any healthy drives are accidentally removed from a degraded RAID volume. The system can be recovered to degraded mode by reinserting the wrongly removed hard drives so the data can still be accessed. The Global Hot Spare function also allows a drive to automatically replace a failed drive in a RAID volume, preventing data from being lost. Note: The standard system is shipped without hard drives. Actual performance may vary depending on the network environment. Full HD Local Display - Local Monitoring Control: Dewarping function for fisheye cameras and Panomorph lens, Manual recording, (two-way) audio, PTZ control (including optical zoom, focus control, and preset position control), and digital zoom
- Joystick support for PTZ and preset position control
- Local Playback Control: Dewarping function for fisheye cameras and Panomorph lens, play, pause, rewind, fast forward, slow motion, frame by frame search, audio, and digital zoom
- Recordings Export: Export multiple recordings to external USB storage as standard AVI files, optimized QNAP AVI files, and QNAP encrypted AVI files
- Local Configuration: Can modify administration password, network settings, time settings, disk volume configuration, and camera settings
Recording Modes - Continuous/scheduled/manual recording
- Alarm recording by multiple events
- Pre-alarm (up to 300 sec) and post-alarm (up to 300 sec) recording
- Round-the-clock recording and smart recording when a user-defined stream is supported on the camera model
Event Management - Motion detection, alarm input, connection failure, recording failure, and user-defined events
- Video recording, email alert, SMS alert, buzzer, PTZ camera control, alarm output, and user-defined actions
Backup and Expansion - Copy recordings from the local disk volume to an external storage device
- Press the "One Touch Video Backup" button to backup recordings from an external storage to an USB storage
- Remote Replication: Schedule video data backup to a NAS on the local network
- Storage Expansion: Connect the VioStor NVR to a Turbo NAS via network to enlarge the total storage capacity of the VioStor NVR
- Cloud Backup: Easily upload the data from the NVR to Amazon S3 or download the data from Amazon S3 to the NVR
Easy Configuration and Management QVR Desktop - Multi-window and multitasking
- Main menu, smart dashboard, and drag-and-drop icons
File Station - Access files using web browsers
- Securely share files by URL
myQNAPcloud - Unique host name for VioStor NVR
- Automatic port forwarding on a UPnP router
- App Center: Download numerous free on-demand apps
- Flexibly expand the number of channels to meet your demands by purchasing additional licenses
Security Management - User Privilege Management: Different user types and rights can be assigned to different QVR users
- Network Access Protection: Specify the connections to be allowed and denied to access the VioStor NVR
- Auto Logoff: Automatic user logoff from idling on configuration pages
- Log System: System event logs, system connection logs, and online users
- Digital Watermarking: Can be used to authenticate videos and snapshots
Utilities - QNAP QFinder: The client application to discovery and quick setup of the VioStor NVR
- QNAP QVR Client for Windows: The client application used to remotely access QNAP NVR servers for performing video monitoring and playback functions on client PC
Watermark proof (Installed with QVR Client): Check if the exported videos and snapshots were modified. - QNAP QVR Client for Mac: The client application used to remotely access QNAP NVR servers for performing video monitoring and playback functions on Mac
Please note that multi-server monitoring and fisheye dewarping functions and QSCM Lite App are not supported. - QNAP Codec: The video codec to play the recording files on Windows Media Player (Windows PC, desktop mode, 32-bit)
UPC: 885022012442 In the Box QNAP VioStor VS-8248-PRO+ 48-Channel 8-Bay Network Video Recorder (No HDD) Power Cord Adapter 2 x Ethernet Cables 64 x Flat Head Screws (for 2.5" and 3.5" HDDs) Limited 2-Year Warranty Table of Contents
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Technical parametersQNAP VS-8248-PRO+-US Specs | | | Maximum HDDs | 8 | | Number of Channels | 48 | | Recording Performance | Up to 30 fps at 1080p, 720p, VGA for each channel | | Maximum Recording Throughput | 450 Mb/s | | | | Multi-Tasking | Multiple tasks run on QVR desktop | | Applications | Default Applications: Control Panel (for system configuration), Surveillance Settings, File Station, myQNAPcloud, Backup and Expansion, App Center | | | | Maximum Resolution Supported | HW Decode Supported per Channel: Full HD (1920 x 1080) per channel (H.264)
Local Display Performance: Full HD 1080P, 500 fps | | Display Modes | Local Monitoring: Multichannel, sequential and full screen display modes
Local Playback: Multichannel and full screen display modes | | Channels | Maximum Channels Supported per Page
Local Monitoring: Up to 36 channels per page
Local Playback: Up to 4 channels per page | | Alert | Onscreen event alert | | Joystick | Support for PTZ and preset position control | | Search Modes | By date and time, timeline, and event | | | | Multi-server Monitoring | QVR Client: Supports maximum 256 channels (firmware version 5.1.1 or later) | | Display Mode | Multichannel, sequential and full screen display modes
Dual display mode | | Video Channels Supported | Up to 64 channels per page | | E-Map | Set up multi-layer e-maps for multiple NVRs
Options to see the ongoing event status on QVR monitoring page (for dual display mode) or new window | | Alert | Onscreen event alert | | Control Buttons | Manual recording, video snapshot, (two-way) audio, dewarping function for fisheye cameras and Panomorph lens, PTZ mode (including click & go, PTZ control, and auto cruising by preset position), preset position control, digital zoom, instant playback, same-screen IP camera configurations, camera information | | Options | Video window highlight when an event is triggered | | Joystick | Support for PTZ and preset position control | | | | Playback | Multichannel Playback: Multichannel, sequential display modes | | Video Channels Supported | Up to 16 channels per page | | Search Modes | By date and time, timeline, event, and intelligent video analytics (IVA) | | Alert | Onscreen event alerts | | Speed Control | Playback and Speed Control with Shuttle Bar: Play, pause, rewind, fast forward, slow motion, frame-by-frame search | | Control Buttons | Audio, low bandwidth mode, video snapshot, IVA settings, dewarping function for fisheye cameras and Panomorph lens, PTZ mode (including click & go, PTZ control, and auto cruising by preset position), digital zoom, averagely time-divided playback, camera information | | Intelligent Video Analytics | Motion detection, missing object, foreign object, out of focus, and camera occlusion | | Control | Drag an area on the video window to zoom in to see details | | Export | Export multiple recordings to a client PC or NVR as standard AVI/MP4 file, different exporting resolutions supported | | Options | Add a digital watermark to exported recordings | | | | Mac | QVR Client for Mac: Free download from the QNAP Download Center and Mac App Store | | Display Modes | Monitoring: Multichannel, sequential, and full-screen display modes
Playback: Single-channel and full-screen display modes | | Supported Channels/Tracks | Maximum Channel Supported per Page: Local monitoring: Up to 16 channels per page
Local playback: Single channel per page | | Alerts | On-screen event alert | | Monitoring | Monitoring Control: Audio, PTZ control (including optical zoom, focus control, and preset position control), digital zoom | | Search Modes | By date and time, timeline, and event | | Playback Control | Play, pause, rewind, different speed control, audio, digital zoom | | Export | Recordings Export: Export multiple recordings to Mac | | Configuration | Open an additional browser window for configuration | | | | Mobile App Control | Vmobile: Free download from the App Center (iOS) and Google Play (Android) | | Search | NVRs on the LAN can be easily searched | | Display Modes | Mobile Monitoring: Multichannel, sequential display mode
Mobile Playback: Single-channel display mode | | Monitoring | Mobile Monitoring Control: PTZ control, digital zoom, pause, snapshot, stream selection, image share (ex. email, Facebook) | | Event Notification | Event notifications will be sent from multiple NVRs | | Playback | Mobile Playback Control: Digital zoom, snapshot, play, pause, fast forward, go to previous file, go to next file | | Audio | Yes | | | | Supported Models | IP cameras
Generic cameras
Vcam App to turn your mobile phone into an IP camera | | Video Compression | H.264/MPEG-4/MJPEG/MxPEG (depending on the camera models) | | Megapixel Recording | Supports megapixel cameras (up to 40 MP) | | File Format | AVI (QNAP codec is required for playback) | | Recording Enhancements | Real-time digital watermarking | | Export | Download recordings via the QVR File Station, FTP, SMB/CIFS Recordings export on local playback and remote playback (Windows and Mac) | | | | RAID | RAID 0, RAID 1, RAID 5, RAID 5+ Hot spare, RAID 6, RAID 6+ Hot spare, RAID 10, RAID 10+ Hot spare
Single, JBOD/Linear | | RAID Features | Online RAID Capacity Expansion, Online RAID Level Migration | | Utility | HDD S.M.A.R.T, bad blocks scan | | | | Operating System | Linux-embedded system, free from PC crash and virus attack | | Recovery | Intelligent Automatic System Startup when power recovery | | UPS | APC/CyberPower/Epson/MGE/YEC | | | | Protocol | HTTP, HTTPS, TCP/IP, DHCP, Static IP, DNS, DDNS, UPnP, FTP, NTP, and SMTP | | DHCP Server | Yes | | Gigabit LAN Ports | Failover, load-balancing, multi-IP settings | | File Services Limits | Web, FTP, SMB/CIFS | | Language Support | Czech/Danish/Dutch/English/French/Finnish/German/Hungarian/Italian/Japanese/Korean/Norwegian/Polish/Portuguese/Russian/Spanish/Swedish/Simplified Chinese/Traditional Chinese/Turkish/Greek/Romanian/Thai | | | | CPU | MJPEG format (up to 48 channels): Quad core CPU 2.33 GHz or above
MPEG-4/H.264/MxPEG format (up to 48 channels): Core i7 CPU 2.8 GHz or above
For higher surveillance performance, please select more advanced PC models. | | Memory | 4 GB or above | | Operating System | Microsoft Windows 7/8 or Mac OS X 10.7.x, 10.8.x, 10.9.x, 10.10.x | | Web Browser | Microsoft Internet Explorer 10/11 (Windows PC, desktop mode, 32-bit)
Google Chrome 38.0.2125.104 m (Windows PC)
Mozilla Firefox 33.0 (Windows PC) | | Network Interface | 10/100/1000 Mb/s | | Display Resolution | 1280 x 800 pixels or higher for better user experience | | Client | QVR Client for Windows
QVR Client for Mac | | Switch | A gigabit switch is highly recommended | | | | Processor | Dual-core Intel Core i3-4150 3.5 GHz | | DRAM | 8 GB DDR3 RAM | | Flash Memory | 512 MB DOM | | HDD Capacity | 8 x 3.5" SATA 6 Gb/s, SATA 3 Gb/s hard drive
Note: The standard system is shipped without hard drives | | Tray | 8 x Hot-swappable and lockable trays | | LAN Port | 4 x Gigabit RJ45 Ethernet ports | | LED Indicators | Status, LAN, USB, hard drive LEDs | | USB | 3 x USB 3.0 ports (front: 1, rear: 2)
2 x USB 2.0 ports (rear)
Front: For USB storage device (One touch auto video backup)
Rear: For UPS device | | Buttons | System: Power button, one touch auto video backup button, reset button | | LCD Panel | Mono-LCD display with backlight
Enter button, Select button for configuration | | Alarm Buzzer | System warning | | Form Factor | Tower | | Power Consumption | 83.81 W Write/Read (with 8 x WD WD20EFRX hard drive installed) | | Security | K-Lock security slot for theft prevention | | Video Output | 1 x HDMI | | Fan | 2 x quiet cooling fan (4.72" / 12 cm, 12 VDC) | | Sound Level | Sound Pressure (LpAm): 23.1 dB(A) | | Certifications | CE, FCC, VCCI, BSMI, C-Tick | | Power Supply | Input: 100 to 240 VAC, 50/60 Hz
Output: 350 W | | Operating Environment | Temperature: 32 to 104°F / 0 to 40°C
Humidity: 5 to 95% RH non-condensing
Wet Bulb: 80.6°F / 27°C | | Dimensions (H x W x D) | 7.29 x 11.74 x 9.27" / 185.2 x 298.2 x 235.4 mm | | Weight | 17.26 lb / 7.83 kg |
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