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3. VT100 Interface
Figure 3-15. Span Endpoint Performance Screen
This screen displays information on the performance and error status of a span
endpoint. This information is provided in summary form for complete totals and for
the most recent 15 min period or most recent current day period.
Status
Current state of the endpoint. This is a string indicating possible conditions. The
various string components are as follows:
SNR Margin
Current Signal-to-Noise Ratio margin for this endpoint as reported in a Status
Response/SNR message.
Loop Attenuation
Current loop attenuation for this endpoint as reported in a Network or Customer
Side Performance Status message.
Time Elapsed
Total elapsed seconds in the current 15-minute interval.
ES
Count of Errored Seconds on this endpoint since the unit was last restarted.
CRC
Count of Cyclic Redundancy Check anomalies on this endpoint since the unit was
last restarted.
3-16
OK
There no defects on the line.
−
SNR
Indicates that the SNR margin has dropped below the alarm threshold.
−
Attenuation
Indicates that the loop attenuation has exceeded the alarm
−
threshold.
LOSW
Indicates an LOSW alarm.
−
Loopback
A loopback is currently active at this Segment Endpoint.
−
April 2003
8300-A2-GB20-00
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