User guide

7
Click the *IDN? button. This generates the identification query in SCPI format.
The instrument should return "Agilent Technologies, N4876A," and the
software revision.
If you could proceed until here, the N4876A power supply and the processor are
fully functional. If not, the N4876A is probably defective.
Ensure that the User Software can Access the N4876A
1
From the Windows task bar, restore the user interface – click GUI Agilent 4900
Series.
2
Press the green Preset key close to the front USB connector of the Serial
BERT or from the menu bar select File – Preset Instrument State.
3
Disable the outputs of N4903B and use the cable kit to connect the pattern
generator to the N4876A. Connect the Data Out, Aux Data Out and Aux Clk Out
of the Serial BERT to Data In, Aux Data In and Aux Clk In of the N4876A,
respectively.
4
From the Navigation Menu, select External Instrument(s) and then click
Config sub-menu. The Config window shows a list of all instruments connected
to the Serial BERT. Confirm the presence of N4876A enrty in that list.
5
Corresponding to N4876A entry, select the Multiplexer function check box from
the given options under Enable Function column. It opens the Multiplexer
Connection dialog.
Solving Problems 9
Agilent J-BERT N4903B High-Performance Serial BERT 513