Common Tabs
366
FTB-8100 Series Transport Blazer
Performance Monitoring (PM)
³
DM
(Degraded Minutes) (
G.821
only): A Degraded Minute is the
number of minutes in which the estimated error rate exceeds 10
-6
but
does not exceed 10
-3
. DM is determined by collecting all of the
Available Seconds, removing any SES grouping the result in 60-second
long groups and counting a 60-second long group as degraded if the
cumulative errors during the seconds present in the group exceed 10
-6
.
³
SEP
(Severely Errored Period) (
G.828
only): A sequence between 3 to
9 consecutive SES. The sequence is terminated by a second which is
not a SES.
³
SEPI
(Severely Errored Period Intensity) (
G.828
only): Gives the count
of SEP events in available time, divided by the total available time in
seconds.
Содержание FTB-8100 Series
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