Instruction manual

Appendix A Cleaning Optical Connectors
178
[Step 3]
Use the stick-type optical connector cleaner to clear any adhered dirt from the ferrule end.
Figure A-3 Cleaning the Ferrule End
Do not apply excessive pressure for cleaning. Otherwise, the ferrule end may be damaged.
Rotate the optical connector cleaner only clockwise. Rotating it clockwise and counterclockwise
alternately may damage the ferrule end.
See the instructions of the optical connector cleaner before use.