Keysight N9038A MXE Service Guide 473
Service and Diagnostics Menus
Service Key Descriptions
AUX I/O Control
This menu provides the ability to switch each of the data lines to the 25 pin rear
panel AUX I/O connector. This connector is used by the instrument to control
an external device via an 8 bit data bus.
The pinout of the 25 pin rear panel AUX I/O connector is as shown in Figure
16-16.
Figure 16-16 Rear Panel AUX I/O Connector Pinout
With the use of a voltmeter along with the service menu the operation of each
of the individual data lines to the rear panel connector as well as the supply
voltages can be verified.
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