User guide

Why Can Wrong Terminations Damage Your Device?
Choosing wrong terminations may cause your device to output voltage levels that
are not as expected. It may also cause excessive current or current flow in the
wrong direction, which can damage your device.
N O T E
The clock termination is set to 50 Ohm, AC-coupled, and cannot be changed.
Inputs and Outputs - Procedures
To select the termination for the error detector:
N O T E
Prerequisite: You must know the termination voltage of the data signal that your
DUT sends to the error detector.
1
In the ED Setup menu, press Sampling Point Setup to access the Sampling
Point Setup window.
2
Click the Edit button. This opens the ED Input Setup dialog.
3
In the Termination field, enter the termination voltage that is appropriate for
the incoming data signal.
You can use the front panel knob or the numeric keypad to enter the value.
C A U T I O N
Selecting the wrong termination may damage your device.
4
Select the Data Inverted checkbox if your device inverts data.
You can now physically connect the DUT to the error detector.
Setting up the Error Detector 5
Agilent J-BERT N4903B High-Performance Serial BERT 171