Teradek Prism Rack v1 (853/873) firmware v2.19.20240122

Teradek · Released Jan 22, 2024 · First seen Jul 11, 2026

v2.19.20240122 is not the latest firmware for the Teradek Prism Rack v1 (853/873): the current version is v2.25.20261021 (October 21, 2026). Go to v2.25.20261021

What's in this update

Teradek Prism Firmware Ve​rsion 2.19.20240122

New Features

  • None

Changes and

Improvements

  • Facebook Page and Group names are now displayed in streaming status

Bug Fixes

  • Short recordings were sometimes not uploaded to Frame.io
  • RED camera triggers could cause multiple recordings to be generated for the same clip
  • Decoders set to Next Gen mode did not recover when SRT, MPEG-TS streams were interrupted
  • Node modems with some Teradek Data SIMs were not detected correctly
  • Vertical status menu could appear during Wi-Fi password entry on front panel
  • Recorded files were sometimes not displayed

Teradek Prism Firmware Version 2.19

New Features

  • Added firmware upgrade support for internal and external Node II modems
  • Added multi-track audio support to recordings
  • Added ability to link to Teradek TV from front panel
  • Added ability to link to Frame.io from front panel
  • Added additional Teradek Data (LT, Japan) options
  • Added RTP Push support
  • Next Gen Encoder updates:
  • Added additional plugin support: RTMP, Airmix, RTSP, HLS, Teradek Cloud
  • Added support for interlaced H.264 encoding
  • Added Fast Adaptive Bitrate control option
  • Added Closed Captions support
  • Added GDR encoding option
  • Added initial recording support
  • Added SEI timecode support
  • Added web preview for HLS stream mode
  • Added OSD settings
  • Added BLE (Bluetooth) support for basic network configuration via Prism app
  • Added Multi-track audio support to decoders
  • Added Auto Start option for RTMP stream mode

Changes and

Improvements

  • Added Teradek TV status to front panel
  • Cloud synced file uploads (Core, Frame.io, etc.) are now uploaded in order of creation
  • Codec Mode (standard/next gen) status is now shown in web UI sidebar
  • Added additional detailed modem status information
  • Core Comms now works when Next Gen codec is enabled
  • Improved Core Comms statuses
  • Streaming destinations can now be saved as Presets
  • Changed default rate control mode to Fast Adaptive Bitrate
  • Display 'Never' for Hyperion Licenses without expiration
  • If USB Headset is selected, it must be connected in order to join Core Comms call

Bug Fixes

  • Facebook streaming did not start if commas were present in Title or Description
  • Invalid privacy option was exposed for Facebook Page/Groups streaming
  • Switching Encoder mode between Standard and Next Gen sometimes failed
  • Audio input did not change when switching input between HDMI & SDI
  • PIX upload/authentication could fail intermittently
  • Network routing did not update correctly when interfaces were connected/disconnected, resulted in 'No Uplink'
  • Devices would not connect to Wi-Fi networks on boot if connection took more than a few seconds
  • Recording media sometimes failed to mount correctly
  • Node II sometimes failed to connect to mobile networks
  • Auto Colorimetry was setting bt.2020 for HD SDR inputs, 8 bit encoder. Caused some players to display colors incorrect​ly
  • Analog headphone Audio on Decoder Core Comms was silent
  • Analog Line In Comms audio was noisy when played through analog headphones
  • Analog audio input did not work in Next Gen encoder mode
  • Web UI could cause client browsers' memory usage to increase over time
  • Stream audio was silent if a negative lip sync value was set
  • Frame.io real time uploads slightly larger than 1 part (5.25MB) would fail to upload
  • Frame.io Offline recordings could were being deleted from upload queue without any method to resume
  • Timecode counter/OSD was incorrect for 1080PsF 23.976
  • Fixed decoder overlay colors in standard decoder mode
  • Overlay was disabled when switching from HD to 4K input
  • WebUI did not refresh after a Factory Reset

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