Autotest
Autotest Results for Twisted Pair Cabling
3
3-9
Table 3-1. Wire Map Displays (continued)
Wire Map
Condition
Display
(only affected pairs shown) Description
Crossed wires 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 Wires 1 and 2 are crossed.
Crossed pairs Pairs 1,2 and 3,6 are crossed.
Short Wires 1 and 3 are shorted. You can
use the HDTDR test to locate the
short.
Open Wire 1 is open near the main unit.
You can use the HDTDR test to
locate the open.
Split pair A wire in the 4,5 pair is twisted with a
wire in the 3,6 pair. You can use the
HDTDX analyzer to locate the split
pair.