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User Manual
You see the LOADING SELECTED TRAFFIC PATTERN message,
followed by the BERT results display. For example:
This particular display shows the bit error rate (BER), which is the number of
errored bits divided by the total number of bits received. Note that the display
also shows you the total number of errors (ERRORS), the total number of bits
that have been received (BITS), and the errors per second (E/S).
4. Press the
These include the following:
•
ESEC
•
THSEC Threshold seconds. The number of seconds in which the
•
OOF
•
ET
Injecting Individual BERT Errors
To inject individual bit errors into BERT payloads, press the
the BERT test. Each press of the
outgoing pattern. The top line of the LCD flashes the *INJECT BERT ERR*
message to indicate that the error was injected.
You can automatically insert errors by selecting one of the rates for
the
Setup Error Inj
Up a BERT Test" earlier in this chapter for details).
6-80
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6.411E-11
1.000E+00
1.560E+10
or
key to view the remaining BERT measurements.
Left
Right Arrow
Errored seconds. The number of seconds with one or more
errors.
number of errors exceeded the threshold value.
ATM BERT synchronization out of frame condition.
Elapsed time since the test began running.
ENTER
Note
option when you set up the BERT test (see "Setting
BER
ERRORS
BITS
0 E/S
ENTER
key cause one bit to be corrupted in the
za161f.eps
key during
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