
Chapter 18 521
T1 Analyzer
Measurement Results
Error Free Seconds
A tally of the number of one-second intervals that were error free since the last
measurement reset.
Errored Seconds
A tally of the number of one-second intervals since the last measurement reset that
contained errors such as BPVs and frame errors.
Severe Errored Seconds
A tally of the number of one-second intervals since the last measurement reset that
were severely errored.
Available Seconds
A tally of the number of one-second intervals since the last measurement reset that
were available for service.
Unavailable Seconds
A tally of the number of one-second intervals since the last measurement reset that
were unavailable for service.
Degraded Minutes
A tally of the number of one-second intervals since the last measurement reset that
were degraded.
Slip Rate
The percent ratio of frames cycle slips of the incoming signal, relative to the slip
reference choice on the setup menu, since the last measurement reset.
Peak +Wander
The peak amount of positive wander, measured in bit intervals, since the last
measurement reset. Each peak wander interval of 193 qualifies as a frame slip.
Peak -Wander
The peak amount of negative wander, measured in bit intervals, since the last
measurement reset. Each peak wander interval of 193 qualifies as a frame slip.
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