Nokia DNT2Mi-fp - Manual (Page 38)

DNT2Mi-fp Data Network Terminal User manual
38 (60) © Nokia Corporation DN0445814
Nokia Proprietary and Confidential Issue 2-0 en
System counters (Q1: 8,3)
Number of CPU resets and the time passed since the last reset.
Table 2. Statistics values via Q1
Information Abbreviation
and/or ratio Description
Total time TT Time passed since the last reset.
Unavailability
time UAT
(Rx, Tx)
Time during which severely
errored seconds have occurred.
Errored seconds ES
(Rx, Tx)
Number of errored seconds.
Severely errored
seconds SES
(Rx, Tx)
Number of seconds during which
e 30% blocks are errored.
Background block
errors BBE
(Rx)
Number of errored blocks except
blocks during severely errored
seconds and unavailable time.
The block size depends on the
used line rate.
Unavailability
time ratio UATR
(Rx, Tx)
Ratio of unavailability time to the
total time during the last 15
minutes or 24 hours.
Errored seconds
ratio ESR
(Rx, Tx)
Ratio of errored seconds to the
total of seconds in the available
time during the last 15 minutes
or 24 hours.
Severely errored
seconds ratio SESR
(Rx, Tx)
Ratio of severely errored
seconds to the total of seconds
in the available time during the
last 15 minutes or 24 hours.
Background block
error ratio BBER
(Rx)
Ratio of background block errors
to the total of blocks during the
last 15 minutes or 24 hours,
except blocks during severely
errored blocks and unavailable
time.