GRL-PCIE5-CEM-RXA User Guide and MOI
Rev7.0
© Granite River Labs 2022 Version 7.0, June 2022. Updated 06.29.2022
Page 101 of 123
6.
BER optimization:
Perform Link Training with Preset and CTLE settings specified in step 5 to measure BER.
i)
Adjust CTLE to locate the setting that gives the best BER.
ii)
Execute
‘
CDR Tune
’
.
iii)
Execute
‘
Auto Search
’:
•
Click on the ‘Operate MP1900A’ button to switch to the MP1900A User Interface.
•
Clic
k on the ‘Auto Search’ button.
•
Execute
‘
Auto Search
’
using the following settings:
o
Mode: Fine(NRZ)
o
Item: Threshold&Phase
o
CTLE Auto Adjust
:
ON
