3. Status and Statistics
3-88
May
2003
9000-A2-GB33-20
SHDSL Line Performance Statistics (9788)
Access SHDSL statistics from the Performance Statistics menu.
Main Menu
→
Status
→
Performance Statistics
→
xDSL Line
These statistics account for all traffic on the DSL line.
Table 3-25. SHDSL Line Performance Statistics
Statistic
What It Indicates
CRC Anomalies (CV)
The number of CRC errors, also known as Code Violations (CVs),
that occurred during the accumulation period.
Errored Seconds
(ES)
Number of one-second intervals during which at least one CRC
anomaly or LOSW defect is declared.
Severely Errored
Seconds (SES)
Number of one-second intervals during which at least 50 CRC
anomalies are declared or at least one LOSW defect is declared.
LOSW Seconds
(LOSWS)
Number of one-second intervals during which at least one SHDSL
Loss of Synchronization Word (LOSW) defects is declared.
Unavailable Seconds
(UAS)
Number of one-second intervals during which the SHDSL line is
unavailable. The line is declared unavailable after 10 contiguous
Severely Errored Seconds, and declared available after
10 contiguous seconds with no SES.
Содержание FrameSaver SLV 9126
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