Quantum Data 881 User Manual
Page 485
881/882 Video Test Generator User Guide
(Rev A.22)
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Enable: 0 = disables outputs
1 = enables outputs
Examples
Syntax
Explanation
Command: DPTX:DTOP 1
Enables the outputs.
Query: DPTX:DTOP?
Queries to determine if the link training out-
puts are enabled or disabled.
DPTX:EMPH
DPTX:EMPH?
Sets the pre-emphasis level of the link.
Query the current setting fo the pre-emphasis.
Arguments
Valid Values
Preemphasis: 0 = no pre-emphasis
1 = pre-emphasis level 1
2 = pre-emphasis level 2
3 = pre-emphasis level 3
Examples
Syntax
Explanation
Command: DPTX:EMPH 1
Sets pre-emphasis to level 1
Query: DPTX:EMPH?
Queries the current value of the pre-empha-
sis level parameter.
DPTX:FLRC
DPTX:FLRC?
Forces a link rate and lane count regardless of the link training status.
Queries for the current value of the link rate parameter.
Arguments
Valid Values
Link rate: 0 = 1.62Gb/s
1 = 2.7Gb/s
Lane count: 1 = one lane
2 = two lanes
4 = four lanes
Examples
Syntax
Explanation
Command: DPTX:FLRC 1 4
Sets the link rate to 2.7Gb/s and the lane
count to 4 lanes.
DPTX:LLCT?
Runs the specified link layer tests a specified number of times.
Arguments
Valid Values
Test number: 0 - 22
Test runs: 1 to 10
Examples
Syntax
Explanation
Command: DPTX:LLCT? 3 4
Causes the link layer test number 5.2.1.4 to
be run 4 times.
DPTX:LNKU
Performs link training using the set of values for number of lanes, link rate, etc.
Arguments
Valid Values
N/A N/A
Command
Description