User guide

N O T E
The Error Location Capture measurement is disabled in "8B/10B Comparison",
"Bit Comparison without PCIe3 SKPOS" and "Bit Comparison without USB3.1
SKPOS" error ratio modes.
N O T E
The measurement run is aborted by various actions, like selecting a new pattern or
starting synchronization or alignment.
Example Results
The following figure shows the results of a typical Error Location Capture
measurement:
Important Requirements
In order to perform Error Location Capture measurements, the following
requirements have to be met in addition to the ones listed in “General
Requirements” on page 228:
• Only memory-based patterns with a unique 48-bit pattern (detect word) are
allowed.
• No alignment features can run during error location capture: Auto Align, 0/1
Threshold Center, Data Center
Advanced Analysis 6
Agilent J-BERT N4903B High-Performance Serial BERT 303