Monitoring System Activity and Performance 152-388-100-02, Issue 2
30 June 6, 2000 H2TU-C-388 List 1
USING THE PERFORMANCE SCREENS TO VIEW ALARM DATA
To access the alarm history screens:
1 Type 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 .
• Press or to page through the alarm history screens.
• Press to clear the selected alarm history screen.
Table 10. Acronyms Used on the HDSL2 Performance History Screens
Error Acronym Description
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
CV Code Violation
Total count of HDSL2 CRC errors
LOSWS Loss of Sync Word Second
Seconds with LOSW ≥1
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SPACEBAR ENTER
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