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Monitoring System Activity and Performance
Table 10. Error Acronyms Used on the HDSL4 Performance History Screens
Error Acronym
CV
ES
SES
UAS
LOSWS
U
P
SING THE
ERFORMANCE
To access the alarm history screens:
P
1
Press
to select the Performance screen.
SPACEBAR
2
Press
then press
ENTER
3
Press
SPACEBAR
4
Press
N
or
P
to page through the alarm history screens.
5
Press
L
to clear the selected alarm history screen.
Alarm History at the DS1 Interface
The Alarm History screen reports on a continuous basis the DS1 statistics for the H4TU-C
and the H4TU-R
(Figure 22 on page
Current alarms are shown in reverse video.
30
Description
Code Violation
Total count of HDSL4 CRC errors.
Errored Seconds
Seconds with HDSL4 CRC ≥ 1 or LOSW ≥ 1
Severely Errored Seconds
Seconds with HDSL4 CRC ≥ 50 or LOSW ≥ 1
Unavailable Seconds
Based on 10 contiguous SES occurrences
Loss of Sync Word Second
Seconds with LOSW ≥ 1
S
CREENS TO
to select an interface (H4TU-C DS1, H4TU-R DS1, H4TU-C HDSL, or H4TU-R HDSL),
.
until Alarm History is selected, then press
31). The types of alarms reported are described in
October 15, 2003
V
A
D
IEW
LARM
ATA
ENTER
.
(Figure 21 on page
Table 10 on page
LTPH-UM-1253-01
31)
30.
H4TU-C-231 List 5A
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