Allied Telesis AT-PC232/POE - Manual (Page 61)

AT-LX44000 Multi-Protocol WDM Transport System Installation Guide
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To clean a recessed ferrule using a swab, perform the following
procedure.
1. Insert the swab into the adapter as shown in Figure 23 and rub the
ferrule tip with the swab.
Figure 23. Cleaning a Recessed Ferrule
2. If desired, repeat step 1.
3. If a fiber inspection scope is available, use the scope to inspect the
connector to make sure that it is clean and to check for scratches, pits,
or other problems that may affect performance.
Note
Always keep a dust cap on a fiber optic cable when it is not in use.
Note
Do not touch the end face of the ferrule in the connector.
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