EXFO CableSHARK P3 VF/DSL Cable Qualifier User Manual
Page 221
CableSHARK P3 User Guide
209
13.2.4 Current Source plus Ground
The CableSHARK will display voltage, loop current, loop resistance and ground resistance.
F
IGURE
13.2.4A
–
R
ESULT OF
M
EASUREMENT WHEN
S
OURCE IS
C
URRENT
Resistance values of less than 25 ohms is considered acceptable. Anything over 25 ohms means there is a
ground resistance problem.
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