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Monitoring System Activity and Performance LTPH-UM-1031-03, Issue 3
34 September 12, 2003 H4TU-C-319 List 1
Table 10. Acronyms Used on the HDSL4 Performance History Screens
Acronym Description
CV Code Violation
Total count of HDSL4 CRC errors
ES Errored Seconds
Seconds with HDSL4 CRC ≥1 or LOSW ≥1
SES Severely Errored Seconds
Seconds with HDSL4 CRC ≥50 or LOSW ≥1
UAS Unavailable Seconds
Based on 10 contiguous SES occurrences
LOSWS Loss of Sync Word Second
Seconds with LOSW ≥1