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Monitoring the DSU
4-7
7520-A2-GB20-20 May 1998
Viewing Network Performance Statistics
Performance statistics for the network interface are available to:
Monitor the current status of the network operations.
View the DSU’s performance statistics, which:
— Assist you in determining the duration of specific conditions.
— Provide a historical context for problem detection and analysis.
To view the Network Performance Statistics, follow this menu selection sequence:
Main Menu
→
Status
→
Network Performance Statistics
main/status/performance
Device Name: Model: 7520
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 MainMenu Exit
Refresh ClrStats
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All counts show the number of occurrences since the last reset of the counters.
No Signal Count is the number of occurrences of a No Signal condition.
Out of Service Count is the number of occurrences of an Out of Service
(OOS) condition.
Out of Frame Count is the number of occurrences of an Out of Frame
(OOF) condition.
Excessive BPV Count is the number of times at least one invalid bipolar
violation was detected every 20 ms for a 2-second period.
Invalid BPV Count is a raw count of the number of invalid bipolar violations.
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.
The screen appears with the cursor in the function area below the dotted line. To
update the performance statistics, select Refresh and press Enter.
Select ClrStats and press Enter to clear all statistics and refresh the screen.