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UCD-424 USB-C DisplayPort Alternate Mode Test Unit with DP1.4, HBR3 & PD3.0

Test 8K

UCD-424 is interface test unit for verifying DisplayPort™ Alternate mode over USB-C™ up to 8K@30 Hz and 4K@120 Hz video modes. It is a flexible and robust tool either via a GUI on a laboratory desktop or via automated functional tests. The associated software provides the user access to the vital parameters and controls needed when evaluating the various functions of the interface.

For R&D and Test Automation

UCD-424 supports both hands-on debugging and running extended automated test sequences. UCD Console GUI is a preview and test application for desktop use. Each interface function has a well-structured dialog for superior at-a-glance viewability. Unigraf TSI is a test software API that provides the system integrator a fast and reliable way for ensuring the functionality of the tested equipment.

Validation Tool

UCD-424 supports both DP 1.4 Link Layer CTS and HDCP 2.2 CTS tests. You can use the same unit for testing both sink and source DUT. Capability for testing Repeaters will be added later. The unit supports FEC, DSC Sink and LTTPR. Please contact Unigraf for details.


  • DP 1.4 Link Layer CTS support
  • HDCP 2.2 CTS support
  • 8K and 4K Reference Sink, Source & Repeater
  • DP 1.4 / HBR3 input and output in one unit
  • USB-C v1.3 input and output with Power Delivery 3.0
  • Power Delivery: Capable to sink & source 9V
  • PD Role swaps supported
  • MST support (4 streams)
  • DSC Sink, FEC and LTTPR support
  • HDCP 1.3 and HDCP 2.2 support
  • High level API for easy integration


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