DS2460Q QAM Analysis Meter Operation Manual
91
Figure 4-72
Electrical pulses are transmitted into the cable, and a
portion of the pulse energy will be reflected back to
the instrument from cable discontinuities or faults.
When the cable has Open Circuit fault, the reflection
pulse is positive, as the Figure 4-73 show.
∆t
Transmit
Pulse
Reflection
Figure 4-73