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Fiber cleaning
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Cleaning/inspecting optical connectors
Introduction
The procedure that follows utilizes the "Wet/Dry" method for connector cleaning. This
method first applies a "wet" solvent such as high purity alcohol to the connector endface
to dissolve/remove any organic particulate or oily films, followed by a "dry" double clean
wipe using the CLETOP cleaning cassette.
This procedure is recommended for connector ferrules 2.5 mm and 1.25 mm in diameter
associated with ST, SC, FC, and LC connectors. The ferrule of a fiber optic connector
consists of a ceramic or stainless steel cylinder with a hole located longitudinally down the
center of its axis, allowing enough tolerance for a fiber to pass through.
All optical connectors should be cleaned prior to being connected. Keep the protective
ferrule dust cap on the connector until initiating the cleaning process.
Cleaning procedure
The following cleaning procedure is acceptable for field service/installation activities:
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1
Remove the dust cap from the connector ferrule, thus exposing the connector endface.
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2
Open an individual foil packet of pre-saturated isopropyl alcohol (99% pure) wipe.
See
Figure B-1, "Cleaning the ferrule endface" (p.
Grasp the connector housing and place the connector ferrule endface perpendicular to the
alcohol wipe.
Drag it against the wipe three (3) times in a figure eight pattern. This action applies the
alcohol solvent to the endface and initially loosens and scrubs away organic/solid
contaminates.
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B- 4
Cleaning/inspecting optical connectors
B-5).
Issue 1 November 2008
365-372-403R5.1
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