DSP-100/2000
Users Manual
Table 7-1. Identifying Cable Faults (continued)
Test Failure
Wire map: short
Likely Causes of Failure
Wires connected to wrong pins at connector or punchdown blocks. Conductive material stuck between pins at a connection.
Damage to cable insulation.
NEXT
Impedance anomaly detected
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.
