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ATM Operation
Adding ATM Errors
2 Move to the
3 Move the down cursor to ERROR ADD TYPE and select the Error Type you
require.
Note
When you select
allows you to introduce a burst of errors.
To Verify HEC
1 Add SINGLE HEC errors and verify that the Network Element corrects these
Function
errors
2 Add DOUBLE HEC errors and verify that a lost cell is recorded for each Double
HEC error. (To measure lost cells, select TESTCELL as the payload).
3 Add a burst of 2 SINGLE HEC errors and verify that one lost cell is recorded.
The first error is corrected; the second is not.
4 Add a burst of 7 DOUBLE HEC errors and verify that LCD occurs in the
Network Element.
168
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TEST FUNCTION
.
ATM
in the STREAM field an additional field appears which
ALL
folder and select TEST FUNCTION to be
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