Fluke DSP-4100 User Manual page 168

DSP-4000 Series
Users Manual
Test Failure
Wire map: short
NEXT or ELFEXT
Impedance anomaly
detected
7-30
Table 7-1. Identifying Cabling Faults (continued)
Wires connected to wrong pins at connector or punchdown
blocks.
Conductive material stuck between pins at a connection.
Damage to cable insulation.
Excessive untwisting of pairs at connection.
Insufficient quality of connecting hardware.
Damage to cable (pinches, kinks, etc.).
Damaged connector.
Insufficient cable quality.
Poor connection between two lengths of cable.
Damage to cable (pinches, kinks, etc.)
Taps into wire pair. (Twisted pair cable should never be tapped.)
Excessive loading at coaxial cable tap.
Mismatch of cable types.
Incorrect terminator value.
Likely Causes of Failure