Nevion Products

TVG425 (DISCONTINUED) Transport Stream Gateway

The TVG425 Transport Stream Gateway fortifies Nevion as the market leader for transport of compressed video over IP.

The TVG425 provides transparent handling of up to 8 independent MPEG Transport Streams, flexible interfacing with support for ASI, Ethernet and SONET/SDH, built-in input TS monitoring as well as multiple output copies and input switching capabilities that enable cost-effective and highly redundant video transport solutions.

By taking advantage of the inherent flexibility of IP, broadcasters and service providers are offered an efficient, affordable and scalable solution for professional quality video contribution and distribution.


  • Leverages the inherent flexibility of IP and Ethernet
  • Efficient, affordable and scalable solution for professional quality video contribution and distribution
  • Enable the implementation of revenue-generating professional Wide Area Networks for the video transport
  • Add new channels via software license upgrades, without affecting other running services
  • Flexibility: handles any MPEG-2 transport stream carrying MPEG-2, MPEG-4 (H.264) compressed video in Standard Definition as well as High Definition


  • Professional broadcast contribution and distribution
  • Transport stream interface adaptation (ASI, IP, SONET/SDH)
  • IP-to-IP applications, e.g. multicast to unicast conversion
  • Managed video services over IP
  • DVB-T/T2/H distribution over IP in SFN/MFN networks

Key Features

  • Transmission of up to 8 MPEG-2 Transport Streams (TS)
  • Flexible interfacing with support for ASI and IP on dual Gigabit Ethernet interfaces
  • Multiple output copies on ASI and IP
  • Support for IP multicast, unicast and multiple unicast
  • Automatic input switching between redundant TS sources
  • IP Diversity for hitless RTP-layer switching
  • Embedded Redundancy for autonomous 1+1 main/standby failover
  • Full bidirectional operation on a port-by-port basis
  • Input signal monitoring according to ETSI TR 101 290 Priority 1
  • Industry-leading easy-to-use web interface


Nevion Viewer 3.1.0

The Nevion Viewer is an AIR application that allows users to access user interfaces of nSure, cProcessor, Video Gateway and Virtuoso FA remotely, from any Windows or Mac computer. In order to download Nevion Viewer, send a request to Nevion support.

  Nevion-Viewer-release-notes-3.1.0 r1 (04/12/2020)


These mibs apply for the cProcessor, nSure and Video Gateway products, except the new 4000 platform.

  mibs ()

TVG425 3.8.8

The TVG425 software release 3.8.8 brings a number of fixes and enhancements, see release notes for full details.

  TVG425_release_notes_3_8_8 (16/02/2016)


  TXP HTTP/XML protocol

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