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Autotest Results for Twisted Pair Cable
3
3-7
Table 3-1. Wire Map Displays (continued)
Wire Map
Condition
Display Schematic
(only affected pairs
shown)
Description
Crossed wires
gc44i.eps
1
2
3
6
1
2
3
6
gc45i.eps
A wire in the 1,2
pair is crossed with
a wire in the 3,6
pair. Wiring does
not form a
recognizable
circuit.
Reversed pairs
gc46i.eps
1
2
1
2
gc47i.eps
Wires 1 and 2 are
crossed.
Crossed pairs
gc48i.eps
1
2
3
6
1
2
3
6
gc49i.eps
Pairs 1,2 and 3,6
are crossed.
Short
gc50i.eps
1
2
3
6
1
2
3
6
gc51i.eps
Wires 1 and 3 are
shorted. You can
use the TDR test
to locate the short.
Open
gc52i.eps
1
2
1
2
gc53i.eps
Wire 1 is open.
You can use the
TDR test to locate
the open.
Split pair
gc54i.eps
1
2
3
6
1
2
3
6
gc55i.eps
A wire in the 1,2
pair is twisted with
a wire in the 3,6
pair. You can use
the TDX analyzer
to locate the split
pair.