HP 37718A Installation And Verification Manual page 72

C AU T I O N
N OTE
HOW TO:
Performance Tests
Self Test
Safety precaution, care and connection cleanliness are essential to avoid
optical signal degradation or damage. see Operators Maintenance in
chapter 1 and see Optical Interface Connectors in chapter 2 if in doubt.
The use of air-gap attenuators is not recommended.
Failure to attenuate the optical signal could result in damage to the
optical receiver.
If the Optical Interface is a Dual Wavelength Option the 1550 nm IN and OUT ports
are not connected at this stage and can be tested later.
If any or all of these connections are not made the HP 37718A/19A will
FAIL Self Test.
4 Press
RUN/STOP
will be displayed.
The information pertaining to TEST TYPE, TEST NUMBER and
SUBTEST NUMBER will change as the Self Test progresses.
If the HP 37718A/19A is functioning correctly, after a time of at least
1 hour, TEST STATUS PASSED is displayed.
If TEST STATUS [FAIL nnn] is displayed, the HP 37718A/19A should
be returned to a service office for repair.
Run Confidence TESTS
1 Choose TEST TYPE
display.
3-4
to activate the Self Test. TEST STATUS RUNNING
on the
CONF. TESTS
OTHER
SELF TEST