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Monitoring DS1 Performance
526 Avidia System Configuration and Management User Manual
The DS1 Current Performance Table window displays the following information.
Information Description
Card
Slot
Port
The description, slot number and port of the card.
Errored Seconds Errored seconds are seconds during which any of the
following occur:
• one or more AIS defects
• one or more controlled slips
• one or more Path code violations
• one or more out-of-frame defects
• one or more bipolar errors (D4 mode only)
Severely Errored Seconds For ESF mode, severely errored seconds are seconds
in which 320 or more Path code violation errors, one
or more out-of-frame defects or an AIS defect occur.
For D4 mode, severely errored seconds are seconds in
which framing errors, out of frame defects, or 1,544 or
more line coding violations occur.
Severely Errored Framing Seconds Severely errored framing seconds are seconds during
which one or more out-of-frame defects or an AIS
defect occurs.
Unavailable Seconds The number of seconds during which the interface was
unavailable. A line becomes unavailable at ten
consecutive severely errored seconds.
Path Coding Violations Frame synchronization bit errors.
Line Errored Seconds The number of seconds during which one or more line
code violations occur.
Bursty Errored Seconds The number of seconds during which between one and
320 Path coding violations occurred and no severely
errored frame defects or AIS defects occurred. This
applies to ESF mode only.
Degraded Minutes This parameter is not currently supported, therefore 0
displays.
Line Code Violations Bipolar violations or excessive zeroes.