Manual
Precautions for handling
FU-A40/FU-A100
• The brightness of the respective optical axes are not equal due to the 
product features.
It is normal, so please use these products as they are intended.
• Two (2) holes that are located as shown in the 
figure on the right are mouths for filling resin 
to be used in the production process.
• When fiber wires stick out from a fiber sheath, 
cut the wires with an enclosed fiber cutter 
before connecting to a fiber amplifier.
• The enclosure rating of these products is IP67. Please note that if liquid, 
except for water, that decomposes a fiber sheath (polyethylene) or fiber 
wires (acrylic resin) adheres to these, the amount of light received may 
reduce.
• Recommended tightening torque is 0.75 N•m.
Sheath Wire
96M12094
1052-1

