Wavetek ANT-20 Operating Manual page 85

ANT-20/ANT-20E
HEC Error Counts
The "HEC Error Counts" display area shows the results of the receiver Header Error Check. The
values are cumulative for the entire measurement interval.
Correctable
Uncorrectable
Defect Seconds
The "Defect Seconds" display field registers the defects (alarms) in the physical layer:
Loss of Cell Del.
Phys. Layer Def.
The alarm status is shown by LEDs and the alarm duration is shown under "Defect Seconds".
Yellow
Yellow and red
Application Guide
Total number of correctable header errors
Total number of uncorrectable header errors
Loss of Cell Delineation
Physical Layer Defect. Alarm occurring as a result of an interruption in the
data stream in the physical layer.
"History": On if the alarm occurred at least once during the entire
measurement interval.
"Current": On when the alarm is active.
Broadband Analyzer/Generator
A-21