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SONET_Usr.bk Page 198 Wednesday, December 13, 2000 11:11 AM
Selecting and Using "OTHER" Features
Running Self Test
Running Self Test
Description
Before using the OmniBER 720 to make measurements, you can run Self Test ALL
TESTS to ascertain the integrity of the OmniBER 720. These tests take
approximately 1 hour to complete depending on the options fitted.
Alternatively you can run Confidence Tests which only takes 2 to 3 minutes to
complete. This is not a full verification but performs BER measurements with
internal and external loopbacks fitted.
HOW TO:
Run ALL TESTS
1 Choose TEST TYPE
2 Insert a formatted disk into the instrument disk drive.
3 Connect Optical OUT to Optical IN via a 15 dB attenuator.
NOT E
If any or all of these connections are not made the OmniBER 720 will FAIL Self Test.
4 Press
198
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ALL TESTS
to activate the Self Test. TEST STATUS RUNNING will be
RUN/STOP
displayed.
The information pertaining to TEST TYPE, TEST NUMBER and SUBTEST
NUMBER will change as the Self Test progresses.
If the OmniBER 720 is functioning correctly, after a time of at least 1 hour, TEST
STATUS PASSED is displayed.
on the
OTHER
SELF TEST
display.
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