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Chapter 3. Operation
8 6
PATTERN
This sets the pattern for the test and initiates the
transmission of the pattern. The test is terminated by
selecting None. The following patterns are available:
QRSS All DS0s
QRSS TST DS0s
None
QRSS always runs at 64K/DS0.
Use the up and down scroll to select, for example,
QRSS ALL DS0. Press Enter to record the selection.
The
TSU 120 starts to generate a QRSS test pattern and
inserts the pattern into all DS0s.
To end the test, select None.
PATTERN RESULT
Displays the results of the test currently active. See
Figure 3-20. Leaving and returning to this menu item
does not interrupt the test.
Code (version K or later): Pressing 2 injects errors into the
test pattern. These errors are detected by the device per-
forming the pattern check.
TSU 120 User Manual
Generates a QRSS test pattern
and inserts the pattern into all
DS0s
Inserts a QRSS pattern in
those DS0s mapped as TST in
the currently active map
(A or B)
Terminates pattern generation
61200.129L1-1
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