Using A Swab; Figure 55. Lint-Free And Alcohol-Free Swabs; Figure 56. Cleaning A Recessed Ferrule - Allied Telesis AT-CM20x Series Reference Manual

Using a Swab

Specially treated swabs (stick cleaners), shown in Figure 55, are for
cleaning inside connector adapters or hard-to-reach ferrule tips. These
swabs, often referred to as "lint free" or "alcohol free" swabs, are available
from many vendors. Stick cleaners are available in both
2.5 mm and 1.25 mm sizes for use on SC and MU connectors
respectively.
Note
NEVER use a household cotton swab and/or alcohol to clean a fiber
optic connector. This may leave a residue on the ferrule tip.

Figure 55. Lint-Free and Alcohol-Free Swabs

Note
Do not use compressed air or aerosol air to clean a fiber optic
connector.
To clean a recessed ferrule using a swab, perform the following
procedure.
1. Insert the swab into the adapter as shown in Figure 56 and rub the
ferrule tip with the swab.

Figure 56. Cleaning a Recessed Ferrule

2. If desired, repeat step 1.
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