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2 Safety information
10
ARGUS Copper Box
Special instructions for individual measurements
Voltage
Be sure to observe the permissible measuring range specified above when measuring
voltage.
Capacitance/capacitive symmetry:
Before measuring, make sure that the voltage thresholds given in the table below (see
page 11) are not exceeded during the measurement. Certain measurements can require a
longer settling time. An automatic “TRG-opt.” measurement can thus take some time.
Isolation resistance:
Before measuring, make sure that the voltage thresholds given in the table below (see
page 11) are not exceeded during the measurement. During the measurement, the
ARGUS Copper Box can apply a measuring voltage of up to 105 V max. 1 mA) to the line.
Certain measurements can require a longer settling time. An autotest can thus take some
time.
Loop resistance/resistance symmetry
Before measuring, make sure that the voltage thresholds given in the table below are not
exceeded during the measurement. During the measurement, the ARGUS Copper Box can
apply a measuring voltage of up ton 13 V (max. 15 mA) to the line.
DC current:
Be sure to observe the permissible measuring range specified above when measuring DC
current. Make sure you connect the ARGUS Copper Box in the circuit in series.
Longitudinal conversion loss/NEXT:
Before measuring, make sure that the voltage thresholds given in the table below are not
exceeded during the measurement. When measuring LCL or NEXT using the ARGUS
Copper Box, any type of additional measurement lead can falsify the measurement. Both
the length and the position of the measurement leads with respect to each other can
influence the measurement result significantly. The specification values apply only for the
Box itself and not for the system comprising the Box and the measurement leads.
Consequently, connecting the telecommunications line directly to the Box is recommended.
Signature detection/fast cable check/remote kit control
Before measuring, make sure that the voltage thresholds given in the table below are not
exceeded during the measurement.