Fluke DSX-600 - Chapter 6 Diagnose Copper Test Failures; Causes of Twisted Pair Test Failures

121
Chapter 6: Diagnose Copper Test
Failures
Causes of Twisted Pair Test Failures
Table 7. Causes of Twisted Pair Test Failures
Wire Map test fails
Open
 Wires connected to wrong pins at connector or punchdown blocks
 Bad connection
 Damaged connector or cable
 Wrong application for the cable or the wrong outlet configuration is
selected
Short
 Damaged connector or cable
 Conductive material stuck between pins at connector
 Incorrect termination at a connector
 Wrong application for the cable
Split pair, reversed pair, or crossed wires
 Wires connected to wrong pins at connector or punchdown block
Note
The HDTDX analyzer can help you locate split pairs.
See page 127.
Crossed pairs
 Wires connected to wrong pins at connector or punchdown block
 Mix of T568A and T568B wiring standards (1,2 and 3,6 crossed)
 Crossover cables used where not needed (1,2 and 3,6 crossed)
Note
To do the wire map test continuously while you look
for a fault, tap SCAN ON on the WIRE MAP FAIL
screen, or tap TOOLS
> Single Tests > Wire Map.