Agilent Technologies OmniBER 718 SDH User Manual page 323

Selecting and Using "Other" Features
Running Self Test
4 Press
displayed.
The information pertaining to TEST TYPE, TEST NUMBER and SUBTEST
NUMBER will change as the Self Test progresses.
If the OmniBER 718 is functioning correctly, after a time of at least 1 hour, TEST
STATUS PASSED is displayed.
If TEST STATUS [FAIL nnn] is displayed, the OmniBER 718 should be returned
to a service office for repair.
HOW TO: Run Confidence TESTS
1 Choose TEST TYPE
2 Insert a formatted disk into the instrument disk drive.
3 Make the loopback connections listed below:
Connect Transmit module 75
Connect Transmit module 100/120
Connect Transmit module 75
Connect Transmit module 100/120
DEMUX
Connect Multirate Analyzer IN to OUT
Connect Optical OUT to Optical IN via a 15 dB attenuator.
4 Press
displayed.
The information pertaining to TEST TYPE, TEST NUMBER and SUBTEST
NUMBER will change as the Self Test progresses.
If the OmniBER 718 is functioning correctly, after a time of 2 to 3minutes, TEST
322
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to activate the Self Test. TEST STATUS RUNNING will be
RUN/STOP
CONF. TESTS
Ω
OUT to Receive module 75
Ω
MUX to Receive module 75
to activate the Self Test. TEST STATUS RUNNING will be
RUN/STOP
on the OTHER
SELF TEST
Ω
IN
Ω
OUT to Receive module 100/120
Ω
Ω
MUX to Receive module 100/120
display.
Ω
IN
DEMUX
Ω