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Product Description


UCD-422 is a video generator and analyzer for testing HDMI 2.1 interface up to 10K video modes. Resolutions supported are 4K@120Hz, 8K@60Hz and 10K@30Hz with uncompressed video. UCD-422 offers support for FEC*, DSC* Sink & Source, and eARC*. HDCP 1.4* and HDCP 2.3* are also supported.

*contact Unigraf for availability

Fixed Rate Link / TMDS Support

Fixed Rate Link (FRL) is the link data transfer method introduced in HDMI 2.1. FRL replaces the current TMDS but HDMI 2.1 specification still requires support for TMDS for backwards compatibility with billions of HDMI 1.4b and 2.0 devices in the world. (Source: HDMI)

The UCD-422 can identify interoperability issues on FRL capable source and sink devices. Users can verify if an image is captured correctly on the UCD Console when testing source devices using different FRL modes. Conduct link training to check if your sink or source is capable of transmitting video at different timings through TMDS/FRL.


Unique Features

Enhanced Gaming Features

Check the availability of enhanced gaming features on sink and source devices that support Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM). By supporting these enhanced gaming features, the UCD-422 makes for a complete test tool for game console and display manufacturers.

UCD Console GUI

UCD Console is Unigraf’s common Graphical User Interface (GUI) for all UCD series productsUCD Console enables users to access all test features of the UCD-422. It provides users with a flexible way of navigating between its sink and source roles and functionalities of each role.  

Available functionalities include preview windows for captured video and audiovideo and audio pattern generator, data logger for AUX and metadata contentlink and DPCD register monitoring and control dialogsEDID editor, HDCP status and control functions etc. 

UCD Console is delivered with ready-made test sets (e.g. content check-sum tests and Link Training tests) for testing HDMI Sinks and Sources. 

E-learning center: UDC Console GUI


Default Tests in UCD-422

UCD-422 device is delivered with UCD Console and Test System Interface (TSI) System Development Kit (SDK) for HDMI Sinks and Sources. Please, refer to the table below to see the default tests provided with UCD Console and TSI SDK.

For Testing Source DUT

Feature GroupFeatureUCD Console Pro for testing Source DUT
Video Preview, Capture, Snap preview
Audio Monitor, Capture and graphical preview
Link Link status, link configuration
  Stream status (video, audio)
  HPD Status: (HPD assert / De-assert)
EDID Read / Write, Save / Load
  EDID editor
HDCP HDCP 1.4 and HDCP 2.3 support*  
  HDCP Authentication status, Encryption status*  
Event Log Event Log


For Testing Sink DUT

Feature GroupFeatureUCD Console Pro for testing Transmitters
Pattern Generator Fixed and custom Video Timings
  Fixed and custom Video Patterns
Audio Generator Play audio files
Link Link status
  HPD Status: (Asserted / De-asserted)
  Link Configuration
EDID Read / Write, Save / Load
  EDID editor
HDCP HDCP 1.4 and HDCP 2.3 support *To be introduced later
  Control: (Enable / Disable, authenticate only, Encryption Enable / Disable) *To be introduced later
  Status: (Authentication status, Encryption status) *To be introduced later
Event Log Event Log



  • HDMI 2.1 Test Equipment (FRL/TMDS)

    • 8K@60Hz support

    • 12 Gbps/channel

    • Simultaneous Generator & Analyzer

  • Enhanced Gaming Features: VRR, ALLM

  • HDCP 1.4 and 2.3 support

  • eARC support

  • DSC support

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