
CableSHARK
P3
User Guide
133
If the AUTO CABLE TYPE is NOT selected, the following settings are available. These are necessary to
provide the user with the most accurate results.
CAPACITANCE
N
F/
MI OR N
F/
KM
:
Allows the user to specify the cable’s capacitance constant. See Appendix B for
more information on loop characteristics.
CAPACITANCE
N
F/
MI OR N
F/
KM TO
GND:
Allows the user to specify the cable’s capacitance to GND constant.
RESISTANCE
ohm/mi or ohm/km
Allows the user to specify the cable’s resistance constant. See Appendix B for
more information on loop characteristics.
For Voltage, Resistance and Capacitance tests, the following menu selection is available; allowing a user to
test each circuit leg separately or automatically.
CONNECTION:
Allows the user to specify the connection to be tested. TIP-RING, TIP-GROUND,
and RING-GROUND are options. In addition, there is an ALL setting which will
cycle through TIP-RING, TIP-GROUND, and RING-GROUND without any
involvement by the user except to ensure the CableSHARK is properly
connected to the line under test.
Please note that the Current Measurement test is only performed over TIP-
RING.
CABLE TYPE:
The CABLE TYPE setting is used to select the appropriate cable type or more
appropriately the appropriate diameter. It is best however to ensure the correct
VOP for the cable as all cables are manufactured differently. The available
options for Imperial Measurement Units are 19, 22, 24, and 26 AWG. For
METRIC Measurement Units, the options are 0.4 mm PE, 0.5 mm PE, 0.6 mm
PE , and 0.8 mm PE.
Note: AWG = American Wire Gauge.
The AUTO selection is based on an optimized algorithm whereby the user does
not need to know the cable gauge. It takes into account Resistance per unit
length, Capacitance per unit length and Attenuation per unit length, in addition to
POTS splitters.
Selecting the CAPACITANCE test from the Test Type menu one further parameter will appear:
Capacitance
(nF/mile or
nF/km):
The default setting is 83 nF/mile or 51.6 nF/km for Tip-Ring measurements (see
Table 8.7.1A for more information). See Appendix B for more information on loop
characteristics.
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