Chapter 7 Test Results
E1 Results
84 SmartClass E1 Tester User’s Guide
G.826 OOS results
Table 17 describes the G.826 OOS (out of service) performance results in
alphabetical order.
M.2100 ISM results
Table 18 describes the M.2100 ISM (in service monitoring) performance
results in alphabetical order.
Table 17 G.826 OOS performance results
Result Description
Verdict “Accepted” indicates that the test results have met the ITU-T Rec.
G.826 performance objectives.
“Rejected” indicates that the test results did not meet the perfor-
mance objectives.
AS Available Seconds. A count of the number of Test Seconds which
met the ITU-T Rec. G.821 definition of available time.
ES Errored Seconds. The number of available seconds during which
one or more relevant anomalies or defects were present.
ESR Errored Seconds Ratio. The ratio errored seconds to the number
of available seconds.
SES Severely Errored Seconds. Available seconds during which one
or more defects were present or the anomaly block error rate
exceeded the ITU-T Rec. G.826 threshold.
SESR Severely Errored Seconds Ratio. The ratio of severely errored
seconds to the number of available seconds.
UAS Unavailable Seconds. A count of the number of test seconds
which met the ITU-T Rec. G.826 definition of unavailable time.
CRC BBE CRC Background Block Error. Number of errored blocks that did
not result in a SES.
CRC BBER CRC Background Block Error Ratio. The ratio of CRC background
block errors to the number of blocks received.
Table 18 M.2100 ISM performance results
Result Description
NE Verdict Near End Verdict. Test status for the receive direction.
“Accepted” indicates that the test results have met the M.2100
performance objectives.
“Uncertain” indicates that the SES and ES counts fall within the
S1 <= n <= S2 range.
“Rejected” indicates that the test results did not meet the perfor-
mance objectives.
NE AS Near End Available Seconds. A count of the number of Test Sec-
onds which met the ITU-T Rec. G.821 definition of available time.
NE ES Near End Errored Seconds. The number of available seconds
during which one or more relevant anomalies or defects were
present.
NE ESR Near End Errored Seconds Ratio. The ratio errored seconds to
the number of available seconds.
NE SES Near End Severely Errored Seconds. Available seconds during
which one or more defects were present or the anomaly block
error rate exceeded the ITU-T Rec. M.2100 threshold.
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