Appendix A
Test Results Definitions
DS1 results
CT-650 Command-Line Reference Guide
Release 9.4
141
Line status
The following fields appear in the Line Status category of the DS1 test
results screens.
% Severely
Errored Sec
Ratio, expressed as a percentage, of severely errored
seconds (an error rate greater than 10-3 was present
in each second) to the number of available seconds.
% Degraded
Minutes
Ratio, expressed as a percentage, of minutes the
channel was degraded to the number of available min-
utes.
% Avail-
able Sec
Ratio, expressed as a percentage, of seconds the
channel was available to the total elapsed seconds
since pattern synchronization.
Consecu-
tive Sev
Err Sec
Number of groups of three or more consecutive
severely errored seconds in which an error rate
greater than 10
-3
was present in each second.
Field
Description
Field
Description
Signal
Present
Signal currently detected.
Frame Sync
Indicates frame synchronization was detected.
Yellow
Alarm
Yellow Alarm signal is being detected.
Pattern
Sync
Pattern synchronization detected.
AIS Present
An Alarm Indication Signal is detected.
Summary of Contents for CT-650
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