Testing Twisted Pair Through a PoE Device
AC Wire Map Results
4-5
4
Figure 4-3. AC Wire Map Examples
amd52.bmp amd50.bmp
amd45.bmp
Open on pair 1,2. The open is 21.7 m
from the tester and 61.4 m from the
remote. The open may be on either or
both wires.
Short between pairs 1,2 and 3,6. The
short is 1.7 m from the tester. The short
may be between two, three, or all four
wires.
Split pair on pairs 1,2 and 3,6. The
split pair starts 30.0 m and ends
52.2 m from the main tester.