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Monitoring System Activity and Performance LTPH-UM-1109-01, Issue 1
32 January 9, 2002 H2TU-C-231 List 2
USING THE PERFORMANCE SCREENS TO VIEW ALARM DATA
To access the alarm history screens:
1 Press to select the Performance screen.
2 Press the to select an interface (H2TU-C DS1, H2TU-R DS1, H2TU-C HDSL2, or H2TU-R
HDSL2), then press .
3 Press the until Alarm History is selected, then press .
4 Press or to page through the alarm history screens.
5 Press to clear the selected alarm history screen.
Table 10. Acronyms Used on the HDSL2 Performance History Screens
Error Acronym Description
CV Code Violation
Total count of HDSL2 CRC errors
ES Errored Seconds
Seconds with HDSL2 CRC ≥ 1 or LOSW ≥ 1
SES Severely Errored Seconds
Seconds with HDSL2 CRC ≥ 50 or LOSW ≥ 1
UAS Unavailable Seconds
Based on 10 contiguous SES occurrences
LOSWS Loss of Sync Word Second
Seconds with LOSW ≥ 1
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