Defect Detection - Wavetek ANT-20 Operating Manual

ANT-20/ANT-20E
2.3.5

Defect detection

Evaluation
All defects that are present are evaluated and recorded simultaneously as far as possible.
Recording takes place only within a started measurement interval.
.
Time resolution of defects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 ms
Display
Defects are indicated by LEDs:
CURRENT
HISTORY
Defect
LOS (optisch)
LOF-2488
TIM-L (OC-48c)
RS-TIM (STM-16c)
AIS-L (OC-48c)
MS-AIS (STM-16c)
RDI-L (OC-48c)
MS-RDI (STM-16c)
LOP-P (STS-12c SPE/STS-48c SPE)
AU-LOP (VC-4-4c/VC-4-16c)
LOP-Cx
AIS-P (STS-12c SPE/STS-48c SPE)
AU-AIS (VC-4-4c/VC-4-16c)
AIS-Cx
UNEQ-P (STS-12c SPE/STS-48c SPE)
HP-UNEQ (VC-4-4c/VC-4-16c)
PLM-P (STS-12c SPE/STS-48c SPE)
HP-PLM (VC-4-4c/VC-4-16c)
RDI-P (STS-12c SPE/STS-48c SPE)
HP-RDI (VC-4-4c/VC-4-16c)
TIM-P (STS-12c SPE/STS-48c SPE)
HP-TIM (VC-4-4c/VC-4-16c)
1 AU-LOP is indicated if LOP is detected in at least one AU-4 pointer.
2 AU-AIS is indicated if AIS is detected in all four AU-4 pointers.
If AU-AIS is detected in one, two or three AU-4 pointers, AU-LOP-LOP-P is indicated.
Table S-24
Specifications OC-48c/STM-16c
LED (red) is on while the defect is present.
LED (yellow)is on if the defect occurred at least once or is still present during
the current measurement interval.
1
2
LED display of defects (OC-48c/STM-16c)
LED
LOS
LOF/OOF
-
MS-AIS/AIS-L
MS-RDI/RDI-L
AU-LOP/LOP-P
AU-LOP/LOP-P
1
AU-AIS/AIS-P
AU-AIS/AIS-P
AU-LOP/LOP-P
HP-UNEQ/UNEQ-P
HP-PLM/PLM-P
HP-RDI/RDI-P
-
Concatenation Options
S-45