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Keysight N4372E Lightwave Component Analyzer User’s Guide
7
Maintenance
Infrared Sensor Card
Infrared sensor cards are available from laboratory suppliers or specialist
mail order companies.
With this card you are able to control the shape of laser light emitted. The
invisible laser beam is projected onto the sensor card, then becomes
visible to the normal eye as a round spot.
Preserving Connectors
Listed below are some hints on how best to keep your connectors in the
best possible condition.
Making Connections
Before you make any connection you must ensure that all cables and
connectors are clean. If they are dirty, use the appropriate cleaning
procedure.
When inserting the ferrule of a patch cord into a connector or an adapter,
make sure that the fiber end does not touch the outside of the mating
connector or adapter. Otherwise you will rub the fiber end against an
unsuitable surface, producing scratches and dirt deposits on the surface of
your fiber.
Dust Caps and Shutter Caps
Be careful when replacing dust caps after use. Do not press the bottom of
the cap onto the fiber as any dust in the cap can scratch or dirty your fiber
surface.
When you have finished cleaning, put the dust cap back on, or close the
shutter cap if the equipment is not going to be used immediately.
Keep the caps on the equipment always when it is not in use.
All of Keysight Technologies’ lightwave instruments and accessories are
shipped with either laser shutter caps or dust caps. If you need additional
or replacement dust caps, contact your nearest Keysight Technologies
Sales/Service Office.
WARNING
Take care never to look into the end of a fiber or any other optical
component, when they are in use. This is because the laser can seriously
damage your eyes.
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