Testing Twisted Pair Cabling
19
EGK09.EPS
Figure 11. Crossed Pairs
Split Pair
Figure 12 shows a split pair on 3,6 and 4,5. The split pair
flashes to indicate the fault. The cable length is 75.4 m.
In a split pair, continuity from end to end is correct, but is
made with wires from different pairs. Split pairs cause
excessive crosstalk that interferes with network operation.
Note
Cables with untwisted pairs, such as telephone
cords, typically show split pairs due to excessive
crosstalk.
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