EXFO TG-300B Tone Generator - Manual (Page 10)

Operating the TG-300B/LFD-300B FiberFinder 5
2 Operating the
TG-300B/LFD-300B
FiberFinder
You can identify live or dark fibers using the TG-300B as the transmitter and the
LFD-300B as the receiver. You can also determine if a fiber is live or dark using the
LFD­300B.
C
AUTION
Do not use your units with fibers of which diameters are smaller
than 900 μm as the pressure could damage them.
I
MPORTANT
Depending on the fiber type, the color, and the rubber jacket
stiffness, the test results may be very different from the ones
presented in this guide.