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Chapter 26: Monitoring Network Connections
Avidia System Configuration and Management User Manual 531
The DS3 Current Performance Table window displays the following information.
Information Description
Card
Slot
Port
The description, slot number and port of the card.
P-bit Errored Seconds P-bit errored seconds are seconds during which any of
the following occur:
• an incoming AIS is detected
• one or more Path code violations
• one or more out-of-frame defects
P-bit Severely Errored Seconds P-bit severely errored seconds are seconds during
which any of the following occur:
• an incoming AIS is detected
• 44 or more Path code violations
• one or more out-of-frame defects
Severely Errored Framing Seconds Severely errored framing seconds are seconds during
which one or more out-of-frame errors or an incoming
AIS is detected.
Unavailable Seconds Unavailable seconds are seconds during which the
interface was unavailable. A line becomes unavailable
at ten consecutive P-bit severely errored seconds.
Line Code Violations Line coding violations are a count of bipolar violations
and excessive zeroes.
P-bit Coding Violations P-bit coding violations occur when a received P-bit
code on the DS3 M-frame is not identical to the
corresponding locally-calculated code.
Line Errored Seconds Line errored seconds are seconds during which one or
more line code violations occur.
C-bit Coding Violations C-bit coding violations are C-bit parity errors.
C-bit Errored Seconds C-bit errored seconds are seconds during which any of
the following occur:
• one or more C-bit coding violations
• one or more out-of-frame defects
• an incoming AIS is detected
C-bit Severely Errored Seconds C-bit severely errored seconds are seconds during
which any of the following occur:
• 44 or more C-bit coding violations
• one or more out-of-frame defects
• an incoming AIS is detected