FANUC Power Mate i-MODEL H CONNECTION MANUAL (HARDWARE)

B63173EN/03
D. OPTICAL FIBER CABLE
APPENDIX
489
D Cleaning optical cables
For the optical cables, it is important to clean the connectors at their
ends. Any soiling on the optical fiber end surfaces will hamper
optical transmission, resulting in a malfunction. Wipe the optical
fiber end surfaces (that is, the ferrule end surfaces) thoroughly with
a soft, clean cloth (like gauze) moistened with ethyl alcohol or
HCFC141B, in the same way as described above. The use of cotton
swabs may prove convenient. The fiber end surfaces of lowloss
optical cables are lower than the ferrules. To remove any soiling
from the fiber end surfaces completely, push the cotton swab or
gauze into the depressions all the way through while rotating the
ferrule. If the ferrules and optical connectors are contaminated
with oily substances, and they may extend over a cleaned fiber end
surface when it is attached to the optical-to-electrical conversion
module, it is a good idea to wash them before wiping the optical
fiber end surfaces, using the procedure stated above.

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