OTDR Series e-Manual, D07-00-076P-RevC00 Page 30 of 107
6.3 Cleaning Procedure
To ensure proper and effective cleaning of optical fiber connectors and interfaces, please
equip yourself with the following cleaning materials:
• Isopropyl alcohol
• Lint free soft tissues
• Ferrule cleaners (1.25mm and 2.5mm versions)
• Connector reel cleaners (CleTop or similar)
Procedure
1. Dab the contaminated connector end-face with a wipe that has been dampened with
Isopropyl alcohol - the solvent will dissolve and remove contaminants that have dried and
attached to the connector or fiber end-face.
2. Rub the fiber end-face perpendicularly against a dry lint free wipe several times.
3. Alternatively, use compressed air to dry the surface quickly. Do not blow or allow the
connector end face to air dry as this may leave a residue behind which is often more
difficult to clean and which can attract even more dirt.
4. Re-inspect the fiber end-face with an optical microscope to check that all the contaminants
have been removed properly - if not, please repeat the process.
Note:
Using Compressed Air - In some clean air situations, you can use filtered air, which is free of
oil and moisture to remove debris and clean a fiber optic connection. However, unless you
follow very strict cleaning procedures, air-driven contaminants can cause more problems.
If you need to use compressed air, hold the can upright. If the can is held at a slant, propellant
could escape and dirty your optical device. First spray into the air, as the initial stream of
compressed air could contain some condensation or propellant. Such condensation leaves
behind a filmy deposit.
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