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Some settings are disabled when I configure my tests
Settings on the setup tabs are disabled when I try to configure my test.
Resolution
Verify that your instrument is not running a Self Loop. If it is, turn the Self Loop off.
Certain settings are disabled during Self Loops to ensure that the internal synthesizer
is used for timing, and that patterns are transmitted continuously.
User interface is not launching
The BERT icon is highlighted in yellow, but the user interface is not launching.
Resolution
Press the Results or the Start/Stop key to display the user interface.
Which MSAM or application module is selected?
When testing using an 8000 and two MSAMs (via a DMC), which test is in the fore-
ground, and which is running in the background?
Resolution
On the Main screen, a button appears in the menu bar indicating which DMC slot and
port, is currently selected.
No receive clock is detected.
After starting a test, the instrument does not detect a receive clock.
Resolution
Verify that the emulation mode, interface, timing mode, and receive timing settings are
correct.
Verify that the test cable is securely connected to the instrument.
The Rx Clock Invert LED is illuminated
My instrument detected an inverted receive clock.
Verify that the Rx Clock Polarity setting is correct for the circuit under test. The setting
must match the polarity for the device (connected to the instrument) that is transmitting
the clock.
January 2016
Data Communications and Diphase Testing Manual
21148872, Rev. 002
Chapter 5 Troubleshooting
Performing tests
Page 43
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Table of Contents
Troubleshooting
