Chapter
13 Copper Testing
OneExpert DSL User's Guide
22052280, Rev. 015
April 2019
202
Measuring noise
The noise measurement is used to identify interferences that may interrupt signal
transmission.
1. Connect the Tip and Ring (A and B) leads to the line under test.
2. Select
Mode
and then select
Noise
. The Noise Power menu appears.
3. To specify a technology, press
Technology
and then do the following:
• Select a technology from the list. Voice Frequency is narrowband; all others
are wideband.
• Specify a custom technology. Select
Custom
and then specify the termination
and filter.
4. If you selected Voice Frequency:
• Press
Options
and then select
dB
or
dBrn
to specify the measurement in dB
(decibels) or dBrn (decibels above the reference noise level)
• Press
Options
and then select
Notch Filter
, Select either
820 Hz
or
1020 Hz
.
• To establish a quiet termination for the noise test, select
UFED Quiet Term
.
This terminates the pair at the FED.
5. If you selected a wideband technology, do the following:
• To use an external bridge, press
Options
and then select the checkbox for
Use External Bridge
.
• To specify a custom filter, do the following:
- Press
Options
and then select
Custom Filter Book
.
- Enter a name for the filter.
- Enter a start frequency.
- Enter a stop frequency.
6. To learn what your results mean, see
“Noise” in Chapter 15 “Test Results”
.
7. Press the
Results
softkey to save or clear the results. For informa tion on saving your
results in graphical form, see
“DSL/G.fast Results” on page 282
.
8. Press the
Stop
softkey.
9. To save the results to a report, use the Tray menu.
Measuring wideband noise is complete.
Summary of Contents for OneExpert DSL ONX-580
Page 1: ...OneExpert DSL User s Guide ...
Page 6: ...OneExpert DSL User s Guide 22052280 Rev 015 April 2019 vi ...
Page 78: ...Chapter 3 Utilities OneExpert DSL User s Guide 22052280 Rev 015 April 2019 78 ...
Page 138: ...Chapter 6 Ethernet TE Testing OneExpert DSL User s Guide 22052280 Rev 015 April 2019 138 ...
Page 144: ...Chapter 7 Wiring Tools OneExpert DSL User s Guide 22052280 Rev 015 April 2019 144 ...
Page 158: ...Chapter 9 WiFi Testing OneExpert DSL User s Guide 22052280 Rev 015 April 2019 158 ...
Page 172: ...Chapter 11 Testing with SmartIDs OneExpert DSL User s Guide 22052280 Rev 015 April 2019 172 ...
Page 224: ...Chapter 13 Copper Testing OneExpert DSL User s Guide 22052280 Rev 015 April 2019 224 ...
Page 236: ...Chapter 14 Fiber Testing OneExpert DSL User s Guide 22052280 Rev 015 April 2019 236 ...