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7 Voltage measurement (U= and U~)
ARGUS Copper Box
41
Example: AC voltage measurement
Incoming call
In this example the Copper Box is
connected so as to measure the voltage of
an POTS access.
A typical DC voltage is measured.
This example shows an incoming call. In
addition to the DC voltage, we can see a
call-switching voltage with the typical
frequency of 25 Hz.