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The
DS3 Current Performance Table
Information
Card
Slot
Port
P-bit Errored Seconds
P-bit Severely Errored Seconds
Severely Errored Framing Seconds
Unavailable Seconds
Line Code Violations
P-bit Coding Violations
Line Errored Seconds
C-bit Coding Violations
C-bit Errored Seconds
C-bit Severely Errored Seconds
Avidia System Configuration and Management User Manual
window displays the following information.
Description
The description, slot number and port of the card.
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 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 are seconds during
which one or more out-of-frame errors or an incoming
AIS is detected.
Unavailable seconds are seconds during which the
interface was unavailable. A line becomes unavailable
at ten consecutive P-bit severely errored seconds.
Line coding violations are a count of bipolar violations
and excessive zeroes.
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 are seconds during which one or
more line code violations occur.
C-bit coding violations are C-bit parity errors.
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 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
Chapter 26: Monitoring Network Connections
531
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