Exfo AXS-200/850 Ethernet Test Set Bedienungsanleitung Seite 121

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BERT
Ethernet Test Set 111
Detailed Results
Detailed Results
Press , select BERT, Results, and the Detailed tab.
Alarms
³ Pattern Loss: Alarm is raised
when the bit error rate is above 0.2.
³ No Traffic: Alarm is raised when
there is no traffic for a period
specified by the No Traffic Time
configuration. Since the monitoring
starts at the beginning of the test,
this alarm is in an undefined state
for the time configured in the No
Traffic Time field after a test case is started.
³ The Pass/Fail Verdict is displayed on the screen with the help of the
following symbols:
= PASS
= FAIL
Errors
³ Bit Error: A bit error indicates that there are logic errors in the bit
stream. (i.e. zeros that should be ones and vice versa).
³ Mismatch ‘0’: A mismatch ‘0’ error indicates a bit error on a binary ‘0’
(i.e. ones that should be zeros) found in the receiving test pattern only.
³ Mismatch ‘1’: A mismatch ‘1’ error indicates a bit error on a binary ‘1’
(i.e. zeros that should be ones) found in the receiving test pattern only.
Note: The errors are monitored only on the Test Pattern and not on the Ethernet
frame header, CRC, Preamble, or Idle code-group.
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