MX2800 M13 Multiplexer User Manual Statistics, Section 5
61200290L1-1G 5-13
T1/E1 Statistics
The MX2800 keeps track of the following statistics for each of the T1s and E1s:
• Loss of Signal Alarms
• Line Coding Violations
• AIS Loop Alarms
• AIS Carrier Alarms
• Errored Seconds
• Severely Errored Seconds
See Figure 5-12. View this information in one of the three time period selections, or view a cumulative
alarm count. Information in these fields is for the given time period since the last reset. The cumulative
alarm count continues indefinitely until Clear All T1/E1 Alarm Counts, located in each field, is selected.
Performance parameters that are documented for the T1s and E1s are
• Errored Seconds
• Severely Errored Seconds
• Seve rely Errored Framing Seconds
• Unava ilable Seconds
• Degraded Minutes
The current interval, past 24-hours in 15-minute intervals, and 24-hour totals for each of these may be
viewed.
Figure 5-12. T1/E1 Port Local Statistics Menu