Chapter 6 DSL Testing
Testing the physical layer
SmartClass TPS User’s Guide
June 2014 22035456, Rev 001 59
Testing the physical layer
You can use the SmartClass Triple Play Services to test the physical layer of the ADSL link. The
following procedure describes the basic test for the DSL link.
To perform a basic DSL link test
– Connect to the line and allow the unit to train on the line.
If the unit achieves sync, you have verified the physical layer.
Testing line quality
Once connected to the line, the SmartClass Triple Play Services gathers statistics for the line.
These statistics are used to determine the line quality.
To test line quality
1 Connect to the line. See “Connecting to the line” on page 57.
The modem begins the training process automatically. When it reaches show time, the Smart-
Class Triple Play Services begins gathering statistics.
2 Use the DSL Summary results menu to view different types of statistics.
If the unit achieves sync at the desired data rates, noise margins, and attenuation, the ADSL
link is good.
Use the # key to view more statistics.
3 To save a test report, press the utility (i) key and then select Save Report or Save To Job,
and then specify the report settings such as report name, report format, technician ID, loca-
tion, and other settings as needed.
For more information on the results, see “DSL Results” on page 120.
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