Koheras HARMONIK
Fiber Coupler Installation Guide
3
Step 4: Connect the external DC power supply
a
Insert the fiber into the fiber coupler’s receptacle. The fiber
connector has a thin notch mark indicating its orientation.
b
Make sure the orientation of the fiber cable is as depicted.
Orientate the thin notch mark to exactly the “3 o’clock” position,
before tightening the fiber connector nut.
c
Gently tighten the grub screw to fix the fiber ferrule in the
receptacle.
d
Connect the fiber’s output end to a power meter.
a
b
“3 o’clock”
“fiber connector
nut”
c
“grub screw”
