Load Monitor
Statistics: T1/E1
5967–9446 317
Time Graph,
continued
✓ − ✓
Line Errored Seconds Number of seconds for which one or
more Line Coding Violations occurred.
Not incremented during an unavailable
second.
✓ − ✓
Loss of Frame Number of Loss of Frame (LOF)
failures. A LOF is declared when an Out
of Frame or Loss of Signal defect has
persisted for 2–10 seconds (inclusive).
✓ − ✓
Loss of MultiFrame E1 only. Number of Loss of MultiFrame
failures (LOMF). An LOMF is declared
when two consecutive multiframe
alignment signals have been received
with an error.
✓ − ✓
Loss of Signal Number of times a Loss of Signal failure
was detected.
✓ − ✓
Out of Frame Defects Occurrence of a particular density of
Framing Error Events.
✓ − ✓
Path Coding
Violations
For D4 and E1-noCRC signals, the
number of frame synchronization bit
errors. For ESF and E1-CRC signals, the
number of CRC or frame
synchronization bit errors.
✓ − ✓
Remote Alarm
Indications
Number of Yellow Alarms (for T1) or
Distant Alarms (for E1).
✓ − ✓
Severely Errored
Frame Seconds
Occurrence of a second that contains one
or more Out Frame Defects or an Alarm
Indication Signal Defect.
Table 32 Load Monitor Statistics: T1/E1, continued
Fr. Relay.
FR PVC
PPP
Statistic Description
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