User guide

Problems with the N4876A
Problems with the N4876A - Concepts
When you have opened the External Instrument(s) - Config window and have
selected N4876A from the external instruments, select Multiplexer under Enable
Function column in the list, the Multiplexer Connection dialog appears.
Cannot-Connect Problems
An error message may appear when you now press Enable.
If this happens, ensure that the N4876A has been correctly installed (see “Installing
the N4876A - Procedure” on page 544).
Check the Power Supply
Ensure that the power cord is connected.
The green LED close to the power switch must be illuminated when the unit is
turned on.
Check the USB Communication
Ensure that the USB cable is connected between the USB port at the rear of the
N4876A and one of the USB ports at the rear of the Serial BERT.
1
Open the Utility menu and click Minimize GUI to gain access to the Windows
operating system.
2
In the Windows task bar, click the Agilent IO Control icon.
Solving Problems 9
Agilent J-BERT N4903B High-Performance Serial BERT 511