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6100-Cu Multifunction Copper Tester Operation Manual
one-sided series resistance (sometimes also called
high-open, high-resistive fault, or dirty open). Poor or
failing splice connectors/beanies also case minor
imbalances affecting higher speed DSL circuits.
Watch the stress level, and if you see an increase or
jump after a minute or two or more, the stress may
have worked through some corrosion and thus
revealed an imbalance. However, if the stress improves
and you see a lower value after a minute or two, then
the stress voltage may have dried up some moisture,
thus hiding a wet/damp fault which will appear again
when more moisture works its way back into the fault.
When you have a poor stress value (> 25), the next
best step is to isolate the imbalance by running the Pair
Detective test.
To access Pair Detective from Multimeter tests:
1. Press
to return to the Copper Main menu.
2. Highlight Pair Detective and press
launch the test.
3. Open the far end, and see that faults are
identified.
4. Check the Pair Detective TDR to locate
identified faults.
If corrosion is identified, it may be difficult to
locate with the TDR. To confirm, run the
Resistive Balance test.
To access the Resistive Balance test:
1. Press
to return to the Multimeter menu.
2. Highlight Resistive Balance and press
launch the test.
It does first require a T-R-G/A-B-Earth short at
the far end. This will confirm if ohms on one
side are higher than the other and there is a
one-sided high-resistive fault. If the Ohms on
the faulted side measure < 20 M Ohms, use
the RFL Single/Separate Good Pair method
(depending on available spare pairs) to try to
locate the corrosion. See
more help on using this test.
70
to
to
RFL
on page 128 for
The Stressed Balance parameters are as follows:
Current Group is the current test group name,
for example Multimeter.
Current Test displays the test being measured.
Here you can switch to another Multimeter test
from the given list. However, this action will
terminate the ongoing measurement test.
Noise Filter is a fixed value set to C-message.
Termination Resistance is a read-only value of
600 Ω.
Threshold Settings button opens a new page
that allows you to set the Stressed Balance
Threshold for the test.
Result displays the measurement value for
Stressed Balance and pass/fail status
dependent on the Good/Marginal Balance
threshold settings.
Test Status displays the current state of
measurement or an error message.
To select the Stressed Balance parameter values:
1. Press the up/down arrow keys to highlight the
desired parameter.
2. Press the left/right arrow keys to view and
select the options.
OR
3. Press
on a value to open a list box of
options.
4. Press
to confirm the value.
© 2020 Radiodetection Ltd
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