Stm-1 Alarm Detection (Defects - Wavetek ANT-20 Operating Manual

STM-1 mapping
1.4.6

STM-1 alarm detection (defects)

Evaluation
All alarms (defects) which occur are evaluated simultaneously where possible and stored.
Storage takes place only within a started measurement interval.
.
Time resolution of defects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 ms
Display
of defects via LEDs:
CURRENT
HISTORY
Defect
LOS
LOF-155
RS-TIM
MS-AIS
MS-RDI
AU-LOP
AU-AIS
HP-UNEQ
HP-PLM
HP-RDI
HP-TIM
LSS
Table S-6
S-10
LED (red) is on when the defect is present
LED (yellow) is on if the defect has occurred at least once during the current
measurement interval.
LED
LOS
LOF/OOF
-
MS-AIS
MS-RDI
AU-LOP
AU-AIS
HP-UNEQ
HP-PLM
HP-RDI
-
LSS
LED display of possible defects (STM-1)
ANT-20/ANT-20E
Specifications