4-12
Imple and double splits
Splits and resplits produce cross talk.
Change of cable type (mismatch)
The amplitudes of the reflected pulses are determined by the degree of
impedance changes.
Taps (tee joints)
A tap produces two pulses, one at the beginning and the other at the end
of the tap.
The troubleshooting may be difficult if the tested pair is tapped at many
points. In this case, the test should be progressively done with moving
from tap to tap.
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