Wire map display showing an
open on pair 1,2.
Wire map display showing a
split pair on pairs 1,2 and 3,6.
Wire map display showing
reversed pair on pair 1,2.
Wire map display showing
crossed pairs on 1,2 and 3,6.
Table 7-1. Identifying Cable Faults (continued)
Examples of Test Displays and Plots
gc52i.eps
TDR results showing open on
pair 1,2 at near-end connector.
gc59i.eps
TDX plot showing split pair in a short cable segment that starts
Inspect the cable connectors for reversed pairs.
gc61i.eps
Inspect the cable connectors for crossed pairs.
gc62i.eps
Basic Cable Testing
Troubleshooting Basics
gc57i.eps
TDR plot of results shown at
about 100 ft from test tool.
7
gc58i.eps
left.
gc60i.eps
7-23