Displaying System Information
4-22
9621-A2-GB20-30
August 1997
Network Performance Statistics
In addition to the statistics collected for all interfaces, these additional DDS
network statistics appear when Network is selected from the Performance
Statistics menu.
Main Menu
→
Status
→
Performance Statistics
→
Network Physical
Statistic
What It Indicates
No Signal Count
1
Number of times a No Signal ( NS ) condition has occurred.
Out of Service Count
1
Number of times an Out-of-Service ( OOS ) condition has
occurred.
Out of Frame Count
1
Number of times an Out-of-Frame ( OOF ) condition has
occurred.
Excessive BPV
Count
1
Number of times an excessive bipolar violation ( BPV )
condition has occurred. This is a count of BPVs that qualify as
being excessive.
The count is incremented when at least one invalid BPV
occurs every 20ms over a 2-second period.
BPV Count
1
Number of errors received when a BPV condition has
occurred. This is a total count of BPV errors.
1
Elapsed time is also shown in the hours:minutes:seconds format for all statistic but
BPV Count. This is the total amount of time the access unit has experienced the
condition since statistics were last reset.