Setting up the tests – Quantum Data 881 User Manual
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Chapter 14 DisplayPort Link Layer Testing
Setting up the tests
Prior to running the link layer compliance tests you will need to setup the generator and
the equipment under test for DisplayPort testing. After the test has been setup you can
begin testing.
Use the procedures below to setup the generator for link layer compliance testing of sink
devices.
Setting up the 882 for DisplayPort testing:
1. Activate the DisplayPort interface by pressing the
Interface key and choosing the
DisplayPort interface as shown below.
Alternatively, to activate the interface through the command line interface, enter the
following commands:
12
5.3.1.3
Successful Link Training to a Lower Link Rate
Due To Clock Recovery Lock Failure During
Clock Recovery Sequence
13
5.3.1.4
Successful Link Training with Request of a
Change to Pre-Emphasis And/Or
Voltage Swing Setting During Channel Equal-
ization Sequence
14
5.3.1.5
Successful Link Training at Lower Link Rate
Due to Loss of Symbol Lock During Channel
Equalization Sequence
15
5.3.1.6
Lane Count Reduction
16
5.3.1.7
Lane Count Increase
17
5.3.2.1
IRQ_HPD Pulse Due to Loss of Symbol Lock
and Clock Recovery Lock
18
5.3.2.2
IRQ HPD Pulse Due to Loss of Inter-lane Align-
ment Lock
19
5.4.1.1
Pixel data reconstruction
20
5.4.1.2
Main Stream Data Unpacking and Unstuffing –
Least Packed TU
21
5.4.1.3
Main Stream Data Unpacking and Unstuffing –
Most Packed TU
22
5.4.2.
Main Video Stream Format Change Handling
Index
Test
Description
DispPort*