4. Operating Instructions
Figure 4.3. Short faults appear as a pulse downward in the TDR trace.
Short or open faults measured through long lengths of cable (hundreds of feet) will show long,
shallow reflections on the TDR trace. Figure 4.4 shows a scan of an SMA interconnect. The trace
has a spike at the connection.
Figure 4.4. A scan of an SMA connector.
Soft/partial faults, like kinks, dents, or cuts, can appear anywhere along the cable’s length. They
show up as small bumps on the trace.
Section 7.3 contains additional information on common cable faults.
CT100B TDR Cable Analyzers Operator’s Manual 41
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