
Monitoring the DSU
6-11
7612-A2-GB20-00
June 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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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.