Monitoring the DSU6-117612-A2-GB20-00 June 1997Network Performance StatisticsTo view the Network Performance Statistics, follow this menu selection sequence:Main Menu →Status →Network Performance Statisticsmain/status/performanceDevice Name: Model: 7612NETWORK PERFORMANCE STATISTICSNo Signal Count: 101920 26:33:08Out of Service Count: 0 0:00:00Out of Frame Count: 621 8:53:49Excessive BPV Count: 99830 144:28:11Invalid BPV Count: 87409––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––ESC for previous menu MainMenu ExitRefresh ClrStatsÎÎÎÎÎÎTable 6-5 describes the fields on the Network Performance Statistics screen.Table 6-5. Network Performance Statistics Screen ContentsLabel What the Field IndicatesNo 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 BPVevery 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. Inthe last column,hhh:mm:ss indicates the amount of time the condition hasexisted in hours, minutes, and seconds. When the maximum time has beenexceeded, 255:59:59+ appears.