Datavideo NVS-20 Instruction Manual
Datavideo NVS-20 Instruction Manual

Datavideo NVS-20 Instruction Manual

H.264 video streaming server

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Table of Contents
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Summary of Contents for Datavideo NVS-20

  • Page 2: Table Of Contents

    System Diagram ..............10   How to set up the NVS-20............11   Connect live video and audio to the NVS-20 ...... 11   Connect the NVS-20 to the local IP network....... 11   Connect power to the NVS-20 ..........11  ...
  • Page 3 H.264 Network Video Streaming Server NVS-20   RTMP protocol..............16   Setting > Live stream set up ..........17   Stream Server Selection ............. 18   Input Source Selection ............18   RTMP Publish URL ............. 18   Video Tuning ............... 18  ...
  • Page 4: Warnings And Precautions

    AC adapter. If you are not sure of the type of power available, consult your Datavideo dealer or your local power company. 8. Do not allow anything to rest on the power cord. Do not locate this unit where the power cord will be walked on, rolled over, or otherwise stressed.
  • Page 5: Warranty

    Drives, Hard Drives are only covered for the first 10,000 hours, or 1 year (whichever comes first). Any second year warranty claims must be made to your local Datavideo office or one of its authorized Distributors before the extended warranty expires.
  • Page 6: Disclaimer Of Product & Services

    Disclaimer of Product & Services The information offered in this instruction manual is intended as a guide only. At all times, Datavideo Technologies will try to give correct, complete and suitable information. However, Datavideo Technologies cannot exclude that some information in this manual, from time to time, may not be correct or may be incomplete.
  • Page 7: Product Overview

    • RTMP [Flash] The NVS-20 can be set up and controlled using almost any device with a web browser. Users can confirm real-time video with audio through the same web browser based user interface. The encoded video stream can then be delivered to a single browser, a group of clients on a LAN or even a Content Delivery Network.
  • Page 8: Front Panel

    NVS-20 power; keep holding the mode button for 40 seconds. When released the NVS-20 will take a further 30 seconds to finish the boot up process. Remember to login with the default username and password as shown on page...
  • Page 9: Rear Panel

    H.264 Network Video Streaming Server NVS-20 Rear Panel AUDIO IN (XLR) Supports two channels XLR Balanced Audio Input. AUDIO IN (RCA) RCA stereo for a line level auxiliary analogue audio source, such as a CD player or tape deck. If you are using more than two sources via an external audio mixer, connect the audio mixer’s line level output to this...
  • Page 10: System Diagram

    H.264 Network Video Streaming Server NVS-20 System Diagram...
  • Page 11: How To Set Up The Nvs-20

    LED to change to green. Select the input connection to be streamed The MODE button on the front panel of the NVS-20 is used to select the live video input connected to the rear of the unit. Press this button to cycle through the HDMI, SDI and Composite [CVBS] inputs.
  • Page 12: How To Find The Nvs-20 On An Ip Network

    H.264 Network Video Streaming Server NVS-20 How to find the NVS-20 on an IP network As we see from the System Diagram on page 10, the Datavideo NVS-20 is designed to sit between the video source equipment and the delivery IP network.
  • Page 13 NVS-20 When the utility scans the LAN that the computer is connected to, it displays the current IP address and MAC ID for any NVS-20 units found on this local IP network. Make a note of the NVS-20 IP Address.
  • Page 14: Nvs-20 Login Using A Web Browser

    From the previous pages we now know the IP address of our computer and the NVS-20. If the first three numbers of both are the same then we should be able to use a web browser to login and configure the NVS-20.
  • Page 15: Nvs-20 Web Browser Home Page

    H.264 Network Video Streaming Server NVS-20 NVS-20 web browser Home page Once we have logged into the NVS-20 we are presented with the Home page. From this screen we can select from the following options; Settings, Status, Record or Live.
  • Page 16: Setting > Live Stream Set Up - Protocols

    RTMP protocol Use the NVS-20 to provide a single IP video stream [TCP] to a server on a Wide Area Network [WAN] like the internet or to a small group of clients on a private Local Area Network [LAN].
  • Page 17: Setting > Live Stream Set Up

    NVS-20 Setting > Live stream set up Before using the NVS-20, it is best to decide what streaming settings best match your purpose and the network and protocol being used. These settings may be confirmed through your own trial and error tests, you may be limited by the speed of your connection through the network or to the internet and you may also find standardised settings in your Content Delivery Network’s FAQs...
  • Page 18: Stream Server Selection

    Video brightness, contrast, hue and saturation can be changed for HDMI and CVBS inputs only. SDI video can be adjusted on the source equipment before it is delivered to the NVS-20. The default setting is 128 from a range 0 to 255. Encoder setup H.264 Encode relates to the version of codec to be used.
  • Page 19: Video Bit Rate And Mode

    LAN but may be limited by the speed / bandwidth of your internet connection. The NVS-20 also has two bit rate modes VBR or Variable Bit Rate and CBR or Constant Bit Rate. Set the NVS-20 to VBR to efficiently send video data across an IP network but this is also a trade off against picture quality.
  • Page 20: Setting > Network Set Up

    Setting > Network set up DHCP Enable If this radio button is selected the NVS-20 will attempt to obtain an IP address automatically using DHCP when it is connected to an office LAN or router. This IP address could change each time the NVS-20 is power cycled. The IP address for the NVS-20 will be within the IP range used by the office network or router.
  • Page 21: Setting > Firmware Update

    Select Firmware Update and then Browse to the firmware file. Press Start button to upgrade the NVS-20 firmware. Note: After the firmware update you may need to locate the NVS-20 on the network, see page 8. The units settings may also need to be changed back.
  • Page 22: Setting > Account Set Up

    H.264 Network Video Streaming Server NVS-20 Setting > Account set up The NVS-20 has one admin user account and password. This account is used to keep the NVS-20 secure and gives access to the streaming settings. Default user name = admin...
  • Page 23: Setting > Restore Default

    The NVS-20 can also be restored to the factory defaults from the front panel. From power off. Press and hold in the mode button and turn on the NVS-20 power; keep holding the mode button for 40 seconds. When released the NVS-20 will take a further 30 seconds to finish the boot up process.
  • Page 24: Recording The Stream To Usb 2.0 Media

    MPEG2 TS file on a connected USB 2.0 pen drive. If the video being fed to the NVS-20 is High Definition 1080i video then the recorded file will also match this resolution. If the video being fed to the NVS- 20 is Standard Definition NTSC then the recorded file will match this resolution instead.
  • Page 25: Stream Record Process

    Check and change the Live Stream Setup settings as necessary using the Setting tab. Connect the USB 2.0 media into the USB port on the NVS-20 front panel. Click the Record tab and then the Start Record button. Click on the USB Storage icon to view the root directory of the attached USB 2.0 media.
  • Page 26: Live Tab - Hls Protocol

    NVS-20 Live tab – HLS protocol Once the IP address of the NVS-20 is known enter this IP address into the Safari web browser address bar on the iPad or iOS device. See page 12 also. Enter the set username and password for the NVS-20 to access the Home screen.
  • Page 27: Live Tab - Rtsp Protocol

    NVS-20 Live tab – RTSP protocol Once the IP address of the NVS-20 is known, enter this IP address into the web browser address bar on the computer or device. See page 12 also. Enter the set username and password for the NVS-20 to access the Home screen.
  • Page 28: Live Tab - Rtmp Protocol

    Publish URL details if you are sending the NVS-20 stream to a CDN. If you are using the NVS-20 as the local RTMP server then the Live tab will show a video stream player window. Click the Play icon in the lower left corner...
  • Page 29: Port Forwarding On Your Firewall / Router

    NVS-20 Port Forwarding on your firewall / router So that the NVS-20 video stream can be seen on the internet (beyond the default gateway) certain network related ‘ports’ should be opened on your router or firewall. Your local network administrator or I.T. support should be able to help you with this.
  • Page 30: Led Status & Button Behaviour

    H.264 Network Video Streaming Server NVS-20 LED Status & Button Behaviour LED Status Function State Description a. Off Power off b. Red system booting up & Program initializing Power c. Green Ready. with Interface LED d. Blinking System error a. Off...
  • Page 31: Specifications

    H.264 Network Video Streaming Server NVS-20 Specifications 1 x BNC for HD/SD-SDI(75 ohm) Video Input 1 x BNC for CVBS (75 ohm) 1 x HDMI (Ver 1.3) SDI embedded audio ( 2 channels) Audio Input 2 x XLR/RCA for Analog audio (2 channels)
  • Page 32 H.264 Network Video Streaming Server NVS-20 Service & Support...

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