Teledyne Lecroy 980 User manual

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 1 March 24, 2017
User Guide
980 DisplayPort Link Layer Sink Compliance Tests
Rev: A1

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 2 March 24, 2017
Table of Contents
1Overview 3
1.1 Scope of this User Guide 3
1.2 Changes to this User Guide 4
1.3 What options are available with the 980? 4
1.4 980 User Interface 6
2Getting Started 7
3DP LLC 1.2 Sink Compliance Tests 8
3.1 Workflow for running the DP 1.2 Link Layer Sink Compliance Tests 8
3.2 Making the DisplayPort connections 8
3.3 Running the Link Layer Sink Test 9
3.4 Selecting the Link Layer Sink series tests 17
3.5 Executing the DP Link Layer Sink Compliance Tests –Aux Ch. Proto. 25
3.6 Viewing Details of Link Layer Sink Compliance Test Results 35
3.7 Canceling and Resuming the DP LLC Sink Compliance 38
3.8 Viewing the DP Link Layer Sink Compliance HTML test report 42
3.9 Accessing the DP LLC Sink Compliance Test Results from the Navigation View 50
3.10 Exporting the DP LLC Sink Compliance Test Results from the Navigation View 52
3.11 Viewing the DP LLC Sink ACA Traces 56

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 3 March 24, 2017
1Overview
1.1 Scope of this User Guide
This User Guide provides descriptive and procedural information on the DP Link Layer sink compliance test option.
Although you can run the compliance tests through the 980 DisplayPort Video Generator / Protocol Analyzer’s
“embedded GUI,” all the examples used in the procedures in this document are taken from the external standalone
PC 980 GUI Manager. The procedures are identical between the embedded GUI running through the 980 front
panel display and the external standalone PC application but the look and feel is slightly different.
The following is a list of the User Guides available for the 980 systems:
980 HDMI Protocol Analyzer Gen 3 System –Covers source analysis testing for HDMI and MHL source
devices as well as various transmitter features. This user guide is specifically for the functions of the 980 DP
Video Generator / Analyzer Gen 3 system sold through 2012.
980 Advanced Test Platform Quick Start Guide –This Quick Start Guide covers startup procedures for the
980/980B platform. Used in conjunction with the 980 DP Video Generator / Analyzer Module User Guide for
purchases in 2013.
980 HDMI Protocol Analyzer module –Covers source analysis testing for HDMI and MHL source devices as
well as various transmitter features. This user guide is specifically for the functions of the 980 DP Video
Generator / Analyzer module equipped in one of the 980 Advanced Test Platform slots (980 Gen 3 or 980B).
Used in conjunction with the 980 Advanced Test Platform Quick Start Guide.
980 HDMI Protocol Analyzer HDMI/MHL Source Compliance Test –Covers source compliance testing for both
MHL and HDMI sources. These compliance test applications are provided by the 980 DP Video Generator /
Analyzer module or the 980 DP Video Generator / Analyzer Gen 3 system. Used in conjunction with the 980
Advanced Test Platform Quick Start Guide.
980 HDMI Protocol Analyzer HDMI/MHL Sink Compliance Test –Covers sink compliance testing for both MHL
and HDMI sinks (and MHL dongles). These compliance test applications are provided by the 980 DP Video
Generator / Analyzer module or the 980 DP Video Generator / Analyzer Gen 3 system. Used in conjunction
with the 980 Advanced Test Platform Quick Start Guide.
980 MHL CBUS Compliance Test Module - Covers MHL CBUS compliance testing for both MHL sources as
well as sinks and dongles. This compliance test applications are provided by the 980 CBUS Compliance Test
module. Used in conjunction with the 980 Advanced Test Platform Quick Start Guide.
980 HDMI Video Generator module –Covers the features and functions offered by the 980 HDMI Video
Generator module. Used in conjunction with the 980 Advanced Test Platform Quick Start Guide.
980 HDMI Protocol Analyzer HDMI HDCP Source Compliance Test –Covers HDMI HDCP compliance tests
on source devices. These compliance test applications are provided by the 980 HDMI Protocol Analyzer
module.
980 HDMI Protocol Analyzer HDMI HDCP 2.2 Compliance Test - Covers HDMI HDCP compliance tests on
source and sink devices. These compliance test applications are provided by the 980 HDMI Protocol Analyzer
module.
980 DisplayPort Video Generator / Protocol Analyzer - DisplayPort HDCP 2.2 Compliance Test –Covers DP
HDCP 2.2 compliance tests on source and sink and repeater devices.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 4 March 24, 2017
980 DisplayPort Video Generator / Protocol Analyzer - DisplayPort Link Layer Sink Compliance Test –(This
User Guide) Covers DP Link Layer compliance tests on sink devices.
1.2 Changes to this User Guide
This is a new User Guide.
Note: Please be sure to check the quantumdata website for updates to this User Guide.
1.3 What options are available with the 980?
You can determine what options the 980 is provisioned with by looking at the label on the bottom of the 980 or by
accessing the Instrument Information screen on either the built-in or external 980 GUI manager. You will need to
access the Instrument Information panel through embedded 980 GUI Manager as shown below.
The information is then displayed in a separate window. The information on the Instrument Information window
will provide you with the information about what options are supported and will also be helpful if you call Quantum
Data customer support during an upgrade process.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 5 March 24, 2017

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 6 March 24, 2017
1.4 980 User Interface
The 980 and its module’s provide a graphical user interface for operation. This GUI can run both on the 980 itself
through the built-in color touch screen display or as a standalone application running on a PC. The look and feel
and functions are similar but not identical.
1.4.1 External 980 GUI Manager
The external 980 GUI Manager provides easy access to the captured data on your PC for sharing with others. Also
the external 980 GUI Manager enables you to operate the 980 DP Video Generator / Analyzer through a larger
interface which allows you to use multiple panels at the same time.
1.4.2 Embedded 980 GUI Manager

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 7 March 24, 2017
You can operate the 980 DP Video Generator / Analyzer module fully through the built-in color touch screen
display. In addition to the basic operation of the 980 DP Video Generator / Analyzer module the touch screen
display GUI there are two key features that are only available in the embedded 980 GUI Manager GUI: 1) viewing
the video in real time, 2) viewing the DP video/audio metadata and Aux Channel transactions in real time using the
Real Time mode. You can view the incoming video from a source even when encrypted with HDCP content
protection. The ability to view the incoming video also enables you to control the menus of the DP source device to
ensure that it is in the correct mode. The built-in GUI also enables you to view the DisplayPort video metadata and
Aux Channel transactions in real time, as they are being captured, using the Real Time mode.
You can transfer data captures taken from the built-in touch display to your PC where they can be viewed through
the external 980 GUI Manager and also disseminated to others for analysis.
2Getting Started
Please refer to the 980 Advanced Test Platform Quick Start Guide for detailed Getting Started Procedures. This
Quick Start Guide is available on the quantumdata Downloads page or the 980 product pages.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 8 March 24, 2017
3DP LLC 1.2 Sink Compliance Tests
This chapter describes how to use the optional DP Link Layer sink compliance test feature of the 980 DP Video
Generator / Analyzer module. Please note you will have to purchase the DP Link Layer Compliance Test for Sinks
license in order to run these tests.
The 980 supports the following test sections in the DP Link Layer Sink Compliance Test specification:
5.2.1 - Aux Channel Protocol
5.3.1 –Link Training
5.3.2 –Link Maintenance
5.4.1/5.4.2 –Main Video
5.4.3 –Power Management
5.4.4 –Main Audio
7.2.1 –DPCD
3.1 Workflow for running the DP 1.2 Link Layer Sink Compliance Tests
The following is the high level workflow for running the DP Link Layer Sink Compliance Tests. This workflow
assumes that you have powered up the 980 and established an Ethernet session with the 980 as described in
Connection for 980 GUI Manager and 980.
The following is the high level workflow for running the DP Link Layer Sink Compliance Tests.
1. Connect the sink device under test to the 980 DP Video Generator / Analyzer Rx port via a DisplayPort cable.
2. Complete a (or load an existing) Capabilities Declaration Form (CDF) for the device under test using the CDF
Entry panel.
3. Select the tests that you wish to run from the Test Selection panel.
4. Initiate the tests through the Test Options / Review panel.
5. View the detailed data for test failures if failures occur.
6. View the results in the Test Results panel under the Navigator panel.
3.2 Making the DisplayPort connections
This procedure describes how to establish a DisplayPort connection between the DP sink device under test and
the 980. This procedure assumes that you have assembled the 980 and sink device under test and applied power
to all these devices. Refer to the procedures and diagram below.
1. Connect your DisplayPort display device under test to the DP Tx connector Tx2 on the 980 DP Video
Generator / Analyzer module.
2. (Optional) If you are going to run the tests from the external 980 GUI Manager which is recommended, you will
connect your host PC running the External 980 GUI Manager to the 980B through a network (Ethernet) cable.
Refer to the 980B Quick Start Guide for details on connecting a host PC running the External 980 GUI
Manager to the 980B.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 9 March 24, 2017
DisplayPort connection for sink compliance test –980B
3.3 Running the Link Layer Sink Test
Use the following procedures to complete the CDF for the DisplayPort sink compliance tests.
To complete the CDF:
1. From the Compliance Tests page of the Apps panel, enable viewing of the DP Link Layer Sink Compliance
Test (Receiver).

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 10 March 24, 2017

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 11 March 24, 2017
2. Select the CDF Entry panel as shown below.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 12 March 24, 2017
3. To create a new CDF, click on the New activation button as can be seen in the screen example above.
You will be prompted with a confirmation that you want to start a new CDF and reset the values. Click OK to
proceed.
4. To open an existing CDF, click on the Open activation button.
You will be prompted with a dialog box that enables you to open a CDF. Select a CDF andthen OK to proceed.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 13 March 24, 2017
5. Complete the items in the Products tab of the CDF Entry panel shown below.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 14 March 24, 2017
6. Save the CDF. A confirmation box with a default name will appear as shown below. Edit the name if necessary
and click OK.
CDF name in use is shown on panel.
7. Complete the items in the Video and Audio tabs of the CDF Entry panel; examples below.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 15 March 24, 2017

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 16 March 24, 2017

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 17 March 24, 2017
3.4 Selecting the Link Layer Sink series tests
Use the following procedures to select the tests to run. There are multiple tabs which correspond to each section in
the CTS.
To select the tests to run:
1. Select the Test Selection panel as shown below.
2. If you have an existing Test Selection option file saved you can recall that for use in your testing. Simply click
on the Open activation button.
3. A dialog box will appear as follows. Simply select the file and click on the OK activation button.
4. Complete the items in the DP Sink LLC Core R1.1 Tests of the Test Selection panel shown below.
For convenience you can Select All Tests or Deselect All Tests for both tabs or for group selection over each
page Select All on Page or Clear All on Page tests using the activation buttons provided.
The following screen examples show the tests selected for each tab.

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 18 March 24, 2017

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 19 March 24, 2017

980 User Guide –DP LLCT 2.2 Compliance Rev. A1
Page 20 March 24, 2017