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correctly optioned dual port units. It launches the appropriate test application to
test a cable from port 1 to port 2. Any application already running on the other port
will be closed.
5 For both the Cables test and Optics Self-Test, specify the following:
–
–
NOTE:
The recommended test times are calculated using BER theory based on the
following:
•
•
•
–
–
March 2018
Test Duration. If you set test duration to User Defined, you can define your
value in minutes or seconds.
BER Threshold. If you are running the cable test for 25GigE (where RS-FEC
is implicit) or for 100GigE RS-FEC, there is a BER Threshold Type selection
of Pre-FEC (default) or Post-FEC.
confidence level (CL) set to 95%
the user-defined BER threshold
the duration depends on the line rate selected from the applications menu
Stop on Error. If enabled, the test stops immediately upon discovery of an
out-of-parameter result.
Once you have configured your test, you can create a saved profile by
clicking the blue Save Profiles link. Afterwards you can load these profiles by
pressing the Go To button and clicking Configure to return to the earlier test
configuration screen where you can restart the tests.
T-BERD/MTS/SC Getting Started Guide
22046537, Rev. 016
Chapter 4 Basic Testing
Preparing to test
Page 105