# Monitoring SONET Line Interval Statistics

Select SONET Line from the Category pull-down menu. Select a row from the dialog and click the OK button. The Line Interval Statistics dialog box is displayed with the following details:

Errored Seconds (sonetLineIntervalESs)

Severely Errored Seconds (sonetLineIntervalSESs)

Unavailable Seconds (sonetLineIntervalUASs)

Coding Violation (sonetLineIntervalCVs)

# Errored Seconds (sonetLineIntervalESs)

The number of seconds in one of the preceding valid intervals (sonetMediumValidIntervals) that a line error occurred.

# Severely Errored Seconds (sonetLineIntervalSESs)

The number of seconds in one of the preceding valid intervals (sonetMediumValidIntervals) that a severe error occurred for this line.

# Coding Violation (sonetLineIntervalCVs)

The number of seconds in one of the preceding valid intervals (sonetMediumValidIntervals) that a coding violation occurred for this line.

# Unavailable Seconds (sonetLineIntervalUASs)

The number of seconds in one of the preceding valid intervals (sonetMediumValidIntervals) that the line was not available.