556 Keysight M8000 Series of BER Test Solutions User Guide
9 Utilities
DUT Control Interface
The DUT Control Interface feature allows you to control a device under
test at well defined positions within the measurements of the M8070A
software. It allows you to:
• Read out error count information from devices with built-in error
counters.
• Read out and write devices status registers
• Import and edit of Python scripts to access DUT from M8070A system
software
• Integrate devices built-in error count information in error monitoring
and jitter tolerance test routines of M8070A.
The DUT Control Interface editor provides inserting code snippets of the
supported DUT. This allows you to tailor the supported measurements in a
way that the DUT is controlled at critical points during the measurement
and also provide error information for the measurement. Currently, the
DUT Control Interface supports using a DUT's built-in error counters in
the following measurements:
• Error Ratio Measurement
• Jitter Tolerance Measurement
All other measurements provide callback functions as well. These are
useful to tailor the measurement to the DUT (e.g. settling times in
dependency of measurement parameters), or to control the device under
test during the measurement.
The DUT Control Interface feature is enabled by the license M8070A-1TP
or M8070A-1NP.
Launching the DUT Control Interfacer
To launch the DUT Control Interface:
•Go to the Menu Bar > Utilities and then select DUT Control Interface.
The DUT Control Interface interface will appear as shown in the following
figure:
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