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Chapter 5. Statistics
5-8 MX2800 STS-1 User Manual 61200659L1-1
Section Errored Seconds (SES)
Number of seconds with one or more coding violations or one or
more incoming defects (e.g., SEF, LOS, AIS, LOP) at the Section
layer.
Line Errored Seconds (LES)
Number of seconds with one or more coding violations or one or
more incoming defects (e.g., SEF, LOS, AIS, LOP) at the Line
layer.
Path Errored Seconds (PES)
Number of seconds with one or more coding violations or one or
more incoming defects (e.g., SEF, LOS, AIS, LOP) at the Path
layer.
Section Severely Errored Seconds (SSES)
Number of seconds with X or more coding violations at the Section
layer, or a second during which at least one or more incoming
defects at the Section layer has occurred. Values of X vary
depending on the line rate and the Bit Error Rate.
Line Severely Errored Seconds (LSES)
Number of seconds with X or more coding violations at the Line
layer, or a second during which at least one or more incoming
defects at the Line layer has occurred. Values of X vary depending
on the line rate and the Bit Error Rate.
Path Severely Errored Seconds (PSES)
Number of seconds with X or more coding violations at the Path
layer, or a second during which at least one or more incoming
defects at the Path layer has occurred. Values of X vary depending
on the line rate and the Bit Error Rate.