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Test Results
Power Blazer
445
Performance Monitoring
UAS
(Unavailable Second): Gives the count of the seconds
corresponding to the period of unavailable time that begins at the
onset of 10 consecutive SES events, including these 10 seconds. A
period of available time shall begin at the onset of 10 consecutive
non-SES events, including these 10 seconds.
ESR
(Errored Second Ratio): Gives the ratio of the number of ES in
available time to total seconds in available time during a fixed
measurement interval.
ESR = ES ÷ AS
SESR
(Severely Errored Second Ratio): Gives the ratio of the number of
SES in available time to total seconds in available time during a fixed
measurement interval.
SESR = SES ÷ AS
BBER
(Background Block Error Ratio): Gives the ratio of BBE in
available time to total blocks in available time during a fixed
measurement interval. The count of total blocks excludes all blocks
during SESs.
Summary of Contents for Power Blazer 88000 Series
Page 1: ...User Guide 88000 Series Power Blazer HIGH SPEED MULTISERVICE TEST MODULE ...
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Page 58: ...Test Setup Test Applications 46 88000 Series OTN BERT ...
Page 64: ...Test Setup Test Applications 52 88000 Series SONET SDH BERT For SDH BERT ...
Page 69: ...Test Setup Test Applications Power Blazer 57 SONET SDH DSn PDH BERT For SDH ...
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