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Monitoring the DSU
6-11
7612-A2-GB20-10
November 1997
Network Performance Statistics
To view the Network Performance Statistics, follow this menu selection sequence:
Main Menu
→
Status
→
Network Performance Statistics
main/status/performance
Device Name: Model: 7612
NETWORK PERFORMANCE STATISTICS
No Signal Count: 101920 26:33:08
Out of Service Count: 0 0:00:00
Out of Frame Count: 621 8:53:49
Excessive BPV Count: 99830 144:28:11
Invalid BPV Count: 87409
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ESC for previous menu M
ainMenu Exit
R
efresh ClrStats
Table 6-5 describes the fields on the Network Performance Statistics screen.
Table 6-5. Network Performance Statistics Screen Contents
Label
What the Field Indicates
No Signal Count The number of occurrences of a No Signal condition.
Out of Service Count The number of occurrences of an Out of Service condition.
Out of Frame Count The number of occurrences of an Out of Frame condition.
Excessive BPV Count The number of occurrences of an Excessive Bipolar Violation
(BPV) condition. This is defined as at least one Invalid BPV
every 20 ms for a 2-second period.
Invalid BPV Count The total number of Invalid BPVs detected.
All counts show the number of occurrences since the last reset of the counters. In
the last column,
hhh:mm:ss
indicates the amount of time the condition has
existed in hours, minutes, and seconds. When the maximum time has been
exceeded, 255:59:59+ appears.