How To Clean Connectors - Agilent Technologies 8163A Manual

Cleaning Instructions
WARN IN G
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How to clean connectors

Cleaning connectors is difficult as the core diameter of a single-mode fiber
is only about 9 µm. This generally means you cannot see streaks or
scratches on the surface. To be certain of the condition of the surface of
your connector and to check it after cleaning, you need a microscope.
In the case of scratches, or of dust that has been burnt onto the surface of
the connector, you may have no option but to polish the connector. This
depends on the degree of dirtiness, or the depth of the scratches. This is a
difficult procedure and should only be performed by skilled personal, and
as a last resort as it wears out your connector.
Never look into the end of an optical cable that is connected to an
active source.
To assess the projection of the emitted light beam you can use an
infrared sensor card. Hold the card approximately 5 cm from the
output of the connector. The invisible emitted light is project onto
the card and becomes visible as a small circular spot.
Preferred Procedure
Use the following procedure on most occasions.
1 Clean the connector by rubbing a new, dry cotton-swab over the surface using a
small circular movement.
2 Blow away any remaining lint with compressed air.
Procedure for Stubborn Dirt
Use this procedure particularly when there is greasy dirt on the connector:
1 Moisten a new cotton-swab with isopropyl alcohol.
2 Clean the connector by rubbing the cotton-swab over the surface using a small
circular movement.
3 Take a new, dry soft-tissue and remove the alcohol, dissolved sediment and
dust, by rubbing gently over the surface using a small circular movement.
4 Blow away any remaining lint with compressed air.
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition

How to clean connectors