150-319-151-01, Revision 01
Provisioning
HLU-319 List 5A
September 17, 1999
29
View Performance Data Screen
The Performance Data screen shows the Errored (ES) and Unavailable Seconds (UAS) for both HDSL loops and
each T1 input at 15-minute intervals over a 4-hour time interval. (The ES and UAS data is separated by a slash
mark.) Earlier and later data, in 4-hour time periods on different span screens, can be accessed by pressing
(Previous) or
(Next) respectively.
Errored and Unavailable seconds are defined in
Press
at the Maintenance Terminal Main Menu to view the Performance Data screen. From each Performance
Data screen you can do the following:
•
Press
to view the previous 4-hour data screen.
•
Press
to view the next 4-hour data screen.
•
Press
to view the next available span (for doubler applications).
•
Press
, , , ,
or
to select a specific span (for doubler applications).
•
Press
to exit.
.
All Performance Data counters can be set to zero by pressing
(Clear) from the HLU-319 Span
. The HLU-319 is considered the master module; it
clears all performance data screens at both the HLU-319 and the HRU. Counters can not be
cleared by accessing the HRU craft port.
Table 10.
Errored and Unavailable Seconds Definitions
ES and UAS
Definition
HDSL Errored Second
A second in which at least one HDSL CRC has occurred.
HDSL Unavailable Second
A second in which an HDSL loop experiences loss of sync at least once.
DS1 Errored Second
A second in which at least one BPV, CRC, FRM error, or LOS has occurred.
DS1 Unavailable Second
A second in which at least one T1 LOS condition (175 ± 75) zeros has occurred.
3
1
(
3
1
6
4 5 6 7
8
(
&
