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Monitoring and Testing
5-6
3162-A2-GB20-40
August 2000
Table 5-3. Performance Registers (1 of 2)
Register
Interval Description Totals Description
Current
Interval
Timer
This register records the number
of seconds in the current
15-minute interval. The
maximum is 900 seconds. This
register is valid for the current
interval only.
N/A
ESF Error
Events
An error event is an ESF frame
with either a Cyclic Redundancy
Check (CRC) error or an Out Of
Frame (OOF) event. The
maximum count is 65,535. This
register is only reset as a result
of a reset command from the
network. This register is valid for
the current interval only.
N/A
Valid Interval
Total
N/A Records the number of valid
15-minute intervals in the
previous x hours, where x is
24 hours for aggregate
performance and 8 hours for
port performance. This register
is not valid for the current
interval.
ES The number of errored seconds
for the current interval. An
errored second is any second
with one or more ESF error
events. The maximum is
900 seconds.
The total number of errored
seconds for the previous x
hours, where x is 24 hours for
aggregate performance and
8 hours for port performance.
UAS The number of unavailable
seconds for the current interval.
An unavailable second is any
one second interval when
service is unavailable.
(Detection occurs with
10 consecutive unavailable
seconds.) The maximum is
900 seconds.
The total number of unavailable
seconds for the previous
x hours, where x is 24 hours for
aggregate performance and
8 hours for port performance.
SES The number of severely errored
seconds for the current interval.
A severely errored second is
any second with 320 or more
CRC errors, or any second with
one or more OOF events. The
maximum is 900 seconds.
The total number of severely
errored seconds for the previous
x hours, where x is 24 hours for
aggregate performance and
8 hours for port performance.
BES The number of bursty errored
seconds for the current interval.
A bursty errored second is any
second with more than one, but
less than 320, CRC errors. The
maximum is 900 seconds.
The total number of bursty
errored seconds for the previous
x hours, where x is 24 hours for
aggregate performance and
8 hours for port performance.