Load Monitor
Statistics: T1/E1
5967–9446 315
Table 32 Load Monitor Statistics: T1/E1
Fr. Relay.
FR PVC
PPP
Statistic Description
Time Graph
✓ − ✓
Alarm Indication
Signal Defect
Number of Alarm Indication Signal
Defects or Blue Alarms.
T1/E1 statistics
are available only in
extended views.
✓ − ✓
Bursty Errored
Seconds
Number of type B (bursty) errored
seconds that occurred.
✓ − ✓
Controlled Slip
Seconds
Number of seconds containing one or
more controlled slips.
✓ − ✓
Degraded Minutes Number of minutes in which the
estimated error rate exceeds 0.000005
but does not exceed 0.002.
✓ − ✓
Errored Seconds Number of seconds for which any of the
following occurred:
● ESF and E1-CRC links with one or
more Path Coding Violations.
● One or more Out of Frame Defects.
● One or more controlled slips events.
● A detected AIS defect.
− ✓ −
Estimated Down
Time
Estimated Up Time
The estimated up or down time of this
PVC, based on monitoring PVC activity
and LMI status messages. May not
equal the interval duration; the probe
was unsure of the state in the
unaccounted for time.
✓ − ✓
Far End Loss of
MultiFrame
E1 only. Number of Far End Loss of
MultiFrame failures (LOMF). A Far End
LOMF failure is declared when bit 2 of
TS16 of frame 0 is received set to one on
two consecutive occasions.
−−✓
In Bad Addresses
Out Bad Addresses
Number of frames with an incorrect
address field, for each direction on the
line.
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