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Unigraf UCD-424 • USB-C DP Alt Mode 8K Video Generator & Analyzer
Unigraf UCD-424 • USB-C DP Alt Mode 8K Video Generator & Analyzer
USB-C DisplayPort Alt Mode Test Unit DP 1.4a, HBR3 & PD 3.0
8K and 4K Reference Sink & Source
DP 1.4a Link Layer CTS for Sinks & Sources
HDCP 2.3 CTS for Transmitters & Receivers
DP 1.4a features: * Up to HBR3 simultaneous input and output in one unit
* DSC Sink & Source with off-line encoding and decoding * FEC and LTTPR support * MST support (4 streams)
USB-C v1.3 with Power Delivery 3.0 * DP Alt Mode
* Capable to sink & source 9V@3A * PD Role swaps supported
USB3.2Gen2 (10Gbit/s) bypass between test interfaces
Introducing the Unigraf UCD-424 • USB-C DP Alt Mode 8K Video Generator & Analyzer
UCD-424 is an 8K Reference Sink, Source and Branch for verifying DisplayPort™ Alt Mode over USB-C up to 8K@30 Hz (8K@60 Hz with DSC) and 4K@120 Hz video modes with HBR3 max bit rate capability. It features USB-C v1.3 input and output with Power Delivery 3.0. The unit also supports MST (4 streams), Forward Error Correction (FEC), Display Stream Compression (DSC), and Link-Training Tunable PHY Repeater (LTTPR). UCD-424 also supports DP 1.4a Link Layer, DSC and HDCP 2.3 compliance testing.
Key Features
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. The device gives you control for USB-C data and power roles. 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 wellstructured 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 is a Compliance Test Tool for testing DisplayPort 1.4a Link Layer CTS on Sinks and Sources. The device is also capable of HDCP 2.2 and 2.3 CTS on Transmitters and Receivers. The unit supports FEC, DSC Sink and LTTPR. Please contact Unigraf for details.
Key Benefits
Reliable Compliance Testing Tool
DisplayPort 1.4a Link Layer Compliance Testing
Just like any other DisplayPort device, devices with USB-C DisplayPort Alternate Mode capability need to be tested for DisplayPort compliance. UCD-424 supports DP 1.4a Link Layer CTS including DSC testing on Sinks, Sources and Branches. Certification from VESA on the Link Layer CTS tests for UCD-424 is pending.
HDCP 2.3 Compliance Testing
VESA requires HDCP testing as part of the DisplayPort testing requirement for certification. If a DisplayPort receiver or transmitter supports HDCP (as reported in the product CDF) it shall be tested as part of the certification requirements for obtaining the DisplayPort Logo. (Source: VESA)
UCD-424 supports HDCP 2.3 compliance testing on USB-C DP Alt Mode Transmitters, Receivers and Repeaters. The official approval of HDCP 2.3 CTS testing for UCD-424 from DCP is pending.
UCD-424 can enter to DP Alt Mode with any DP Alt Mode partner. Enter DP Alt Mode from any state and controls to swap roles is possible.
UCD Console GUI:
The UCD Console GUI is the dedicated software that enables users to access the test features of the UCD-424 and is supported for Windows, macOS, and Linux. The software provides the user with a flexible way of navigating between the interface based roles of the device and functionalities of each role. The UCD Console features a preview window for the received video and audio, while also monitoring the controls of the link parameters and built-in pattern generator in UCD-424. Users can also have access to an EDID editor and control of the HDCP function.
LTTPR is a feature that helps maintain signal integrity between DisplayPort Source and Sink by letting each repeater optimize the signal path with link training. UCD-424 is able to act as a DisplayPort source controlling the LTTPRs in the downstream signal path. LTTPR Test is a software addition for the UCD-424.
Default Tests in UCD-424
UCD-424 device is delivered with UCD Console and TSI (Test System Interface) SDK (System Development Kit) for Type-C Sinks and Sources. Please, refer to the table below to see the default tests provided with UCD Console and TSI SDK.
Note: HDCP 2.3 Support is also delivered with the UCD-424 device.
For Type-C DP Sink
Category
Feature
USB-C Modes
USB Data Role status
USB Data Role control
USB-C Power Role status
USB-C Power Role control
Event Logger
Power Delivery protocol monitoring
USB-C Vbus / CC / Vconn voltage & current monitoring
DP Alt Mode
USB-C DP Alt Mode status
USB-C DP Alt Mode control
DP AUX Analyzer
EDID read and write
DCPD read and write
Event Log
DP Alt Mode Reference Sink
DP Link Status Information
DP Alt Mode capture, preview and saving
Link and CRC tests for Source DUT
DP Alt Mode Reference Source
DP Link Status Information
Video Pattern Generator with fixed patterns and timings
Audio generator
Monitor SDP
Testing HDCP
HDCP preview up to 2.3
HDCP status monitor and control up to HDCP 2.3
HDCP 2.3 Key Test support
For Type-C DP Source
Category
Feature
USB-C Modes
USB Data Role status
USB Data Role control
USB-C Power Role status
USB-C Power Role control
Event Logger
Power Delivery protocol monitoring
USB-C Vbus / CC / Vconn voltage & current monitoring
DP Alt Mode
USB-C DP Alt Mode status
USB-C DP Alt Mode control
DP AUX Analyzer
EDID read and write
DCPD read and write
Event Log
DP Alt Mode Reference Sink
DP Link Status Information
DP Alt Mode capture, preview and saving
DP Alt Mode Reference Source
DP Link Status Information
Control the Downstream Link
Video Pattern Generator with fixed patterns and timings
Video Pattern Generator with custom patterns and timings
Audio generator
Testing HDCP
HDCP preview up to 2.3
HDCP status monitor and control up to HDCP 2.3
HDCP 2.3 Key Test support
Highlights
8K and 4K Reference Sink & Source
DP 1.4a Link Layer CTS for Sinks & Sources
HDCP 2.3 CTS for Transmitters & Receivers
DP 1.4a Features:
Up to HBR3 simultaneous input and output in one unit
DSC Sink & Source with off-line encoding and decoding
FEC and LTTPR support
MST support (4 streams)
USB-C v1.3 with Power Delivery 3.0
DP Alt Mode
Capable to Sink & Source 9V@3A
PD Role swaps supported
USB3.2Gen2 (10Gbit/s) bypass between test interfaces
HDCP 1.3 and HDCP 2.3 support
Trust the Experts at ACA TMetrix Inc.
ACA TMetrix Inc. is a leading Canadian distributor of test and measurement instruments and design tools. For over 55 years we have provided products manufactured by the world’s leading instrument manufacturers. Leading Distributor of Design Tools and Test Equipment in Canada.
Specifications
Input
USB-C & PD 3.0 compliant DRP port with DP 1.4a Alt
Mode Receiver capability (8K@30 Hz / 4K@120Hz)
Output
USB-C & PD 3.0 compliant DRP port with DP 1.4a Alt
Mode Transmitter capability (8K@30 Hz / 4K@120 Hz)
USB Pass Through
USB3.2 Gen2 data pass-through between test
interfaces
Vbus Power
Up to 3A@9V input and ouput
Content Protection
HDCP 1.3, 2.2, and 2.3
DSC Capability
DSC 1.2a sink with off-line decompression
DSC 1.2a source using pre-compressed content
Support RGB / YCbCr up to 12 bits per component
24 slices, max with 7680 pixels
Up to 8K@60 Hz
