User guide

You can drag the yellow alarm threshold mark to change the SER Alarm Threshold.
The FER bar displays the FER calculated upon a period of 200 ms.
You can drag the yellow alarm threshold mark to change the FER Alarm Threshold.
The cBER bar displays the cBER calculated upon a period of 200 ms.
You can drag the yellow alarm threshold mark to change the cBER Alarm Threshold.
The FSR bar displays the FSR calculated upon a period of 200 ms.
You can drag the yellow alarm threshold mark to change the FSR Alarm Threshold.
The DER bar displays the DER calculated upon a period of 200 ms.
You can drag the yellow alarm threshold mark to change the DER Alarm Threshold.
The ISR bar displays the ISR calculated upon a period of 200 ms.
You can drag the yellow alarm threshold mark to change the ISR Alarm Threshold.
These indicators inform you about the following errors:
• Bit error in the data stream located
• Loss of pattern synchronization
• Complete loss of data
• Loss of the error detector's clock signal
• Loss of the pattern generator's clock signal
• 10B symbol alignment is not done or is lost
• Loaded patterns have some disparity errors or contains invalid symbols
Evaluating Results 7
Agilent J-BERT N4903B High-Performance Serial BERT 373
FER bar
cBER bar
FSR bar
DER bar
ISR bar
Error Indicators