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Chapter 7. Test Menu
7-6 TDU 120e User Manual 61202156L2-1
QRSS TST DS0s
Inserts a QRSS pattern in those DS0s mapped as TST in
the currently active map (A or B).
None
Terminates pattern generation.
Instructions for Generating a QRSS Test Pattern
Pattern Result
Displays the results of the test currently active. Leaving
and returning to this menu item does not interrupt the
test.
Pressing 2 injects errors into the test pattern. These errors
are detected by the device performing the pattern check.
ES
The number of seconds with at least 1 bit error.
BES
The number of seconds with more than 1 bit error and
less than 320.
QRSS always runs at 64K/DS0.
Step Action
1
Select
QRSS ALL DS0s
.
2
Press
Enter
to record the selection. The TDU 120e
starts to generate a QRSS test pattern and inserts
the pattern into all DS0s.
3
To end the test, select
None
.