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 Version 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 incorrectly
- 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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