VIVOTEK VS8401, the new milestone in video server security performing 4-CH high resolution with high frame rate in H.264, is able to convert analog video into digital video with the highest quality. The H.264 compression format drastically reduces the file sizes and conserves valuable bandwidth and storage space. The VS8401 supports simultaneous dual streams to be transmitted in H.264, MPEG-4 and MJPEG formats for versatile applications. The streams can also be individually configured with separated frame rates, resolution, and image quality so as to meet different platforms or bandwidth constraints.

Featured with intelligent video functions, such as motion detection & tamper detection, the VS8401 is capable of upgrading an analog camera into an intelligent camera. The tamper detection feature can detect events such as blockage, redirection, defocus, and spray-painting of camera lens, making it an intelligent solution to possible camera obstruction. Furthermore, it also upgrades the security level of the IP surveillance system with the network security protocols, HTTPS and 802.1x. It is also designed with Giga LAN for large transmission need and DC 12V / AC 24V compatible power input design. These features make it easy to install and integrate with the existing analog system.

The built-in SD/SDHC card slot offers a convenient and portable storage option to prevent data loss in case of network disconnection. Monitoring with VIVOTEK's ST7501 as the video management software for better scalability and easy-to-use operation is another delightful benefit. Most importantly, it is designed for rack mount solution for easy installation. The solution for video server is a pioneering idea in the world. The innovative vision of video server, VS8401, helps you easily upgrade to a full-featured, high-end IP surveillance solution!


  • Up to 30 fps in D1 Resolution
  • Real-time H.264, MPEG-4 and MJPEG compression (Triple Codec)
  • 4-CH Video and Audio In
  • Two-way Audio
  • RS-485 Interface for PTZ Camera Control
  • 4 Digital I/O for External Sensor and Alarm
  • Built-in SD/SDHC Card Slot for On-board Storage
  • DC 12V / AC 24V Compatible Power Input
  • Professional Rack Mount Compatible Design
  • Supports Gigabit Ethernet Data Transmission
  • Camera Control PTZ camera control through RS-485 
    Supported devices and protocols: DynaDome / SmartDome, Pelco D, LiLin, Pelco P, Samsung scc643, and customized types 
    Supports CGI command serial driver
    Video Compression: H.264, MPEG-4 & MJPEG 
    Simultaneous dual streams 
    H.264 streaming over UDP, TCP, HTTP or HTTPS 
    MPEG-4 streaming over UDP, TCP, HTTP or HTTPS 
    MJPEG streaming over HTTP or HTTPS 
    Supports activity adaptive streaming for dynamic frame rate control 
    Supports 3GPP mobile surveillance 
    Frame rates: 
    H.264: Up to 30/25 fps @ 720 x 480 (NTSC) /720 x 576 (PAL) per channel, Up to 180 fps at D1 in total 
    MPEG-4: Up to 30/25 fps @ 720 x 480 (NTSC) /720 x 576 (PAL) per channel, Up to 80 fps at D1 in total 
    MJPEG: Up to 30/25 fps @ 720 x 480 (NTSC) /720 x 576 (PAL) per channel 
    , Up to 240 fps at D1 in total
    Image Settings Adjustable image size, quality, and bit rate 
    Time stamp and text caption overlay 
    Flip & mirror 
    Configurable brightness, contrast, saturation, sharpness, white balance and exposure control 
    Supports privacy masks
    Audio G.711 audio encoding, bit rate: 64 kbps, μ-Law or A-Law 
    Audio output 
    Terminal block x 4 
    Audio input 
    up to 1Vrms, 3.5 m Phone Jack 
    Supports two-way audio 
    Supports audio mute
    Networking 10/100/1000 Mbps Gigabit Ethernet, RJ-45 
    * It is highly recommended to use standard Cat. 5e & Cat. 6 cables which are compliant with the 3P/ETL standard. 
    ONVIF support 
    Motion Detection Triple-window video motion detection 
    4 D/I & 4 D/O for external sensor and alarm 
    Event notification using HTTP, SMTP, FTP 
    Local recording of MP4 files 
    Tamper Detection
    On-board Storage SD/SDHC card slot
    Security Multi-level user access with password protection 
    IP address filtering 
    HTTPS encrypted data transmission 
    802.1X port-based authentication for network protection
    Users Live viewing for up to 10 clients
    Dimensions Depth: 189mm 
    Width: 153mm 
    Height: 49.3mm
    Weight Net: 800 g
    LED Indicator System power and status indicator 
    System activity and network link indicator 
    Local storage activity indicator
    Power 12V DC 
    24V AC 
    Power consumption: Max. 24 W
    Approvals CE C-Tick FCC LVD VCCI  
    Operating Environments Temperature: -10 ~ 50 °C (14 ~ 122 °F) 
    Humidity: 20% ~ 80%
    Viewing System Requirements OS: Microsoft Windows 7 / Vista / XP / 2000 
    Browser: Mozilla Firefox 
    Browser: Internet Explorer 7.x or above 
    VLC: 10.5 or above 
    QuickTime: 6.5 or above 
    Cell phone: 3GPP player 
    Real Player 10.5 or above
    Installation Management and Maintenance RS-485: Half Duplex 
    Installation Wizard 2 
    ST7501 32-channel recording software 
    Supports firmware upgrade
    Applications SDK available for application development and system integration
    Warranty 24 Months
    Datasheets Download
    User's Manuals Download

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