Chapter 7 AutoTest Mode
AutoTests Tab
142 DSAM Help User Guide Rev. 001
Cable Modem Test
A Cable Modem test is a user-configured verification of upstream/
downstream connectivity, ranging emulation, and quality parameter
measurements of a series of DOCSIS channels. When necessary, you
can troubleshoot an installation by performing this test at various loca-
tions to determine which components require repair or replacement.
You can store the test results for later reference.
Running a Cable
Modem Test
To run a Cable Modem test
1 If necessary, configure the limit sets to meet your needs for tap,
ground block, TV, cable modem, proof, or custom limits 1-3.
Individual Test
Results
This area displays the results of individual tests for
the currently selected channel. When a measure-
ment falls outside the acceptable range, an arrow to
the right of the numeric value indicates the direction
in which the failure occurred. An up arrow indicates
a measurement over the limit range. A down arrow
indicates a measurement below the limit range.
Channel Results A symbol indicating whether the channel passed or
failed the overall test. When a measurement fails,
an arrow to the right of the numeric value indicates
the direction in which the failure occurred. An up
arrow indicates a measurement over the limit range.
A down arrow indicates a measurement below the
limit range.
Table 43 Home Certification Test Results
Name Description
NOTE
The results are automatically saved in the file you named on the
Configure AutoTest screen (Figure 129).
NOTE
Only valid measurements resulting from completed tests are dis-
played. When an error occurs prohibiting a valid measurement, a
dash indicates an invalid numeric value.
21128026 R001 DSAM Help User Guide.book Page 142 Thursday, February 5, 2009 2:02 PM
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