Defect Detection - Wavetek ANT-20 Operating Manual

ANT-20/ANT-20E
Display
Anomalies are indicated by LEDs:
CURRENT
HISTORY
Anomaly
OOF-622
B1 (OC-12c/STM-4c)
B2 (OC-12c/STM-4c)
REI-L (OC-12c)
MS-REI (STM-4c)
B3 (STS-12c SPE/VC-4-4c)
REI-P (OC-12c)
HP-REI (STM-4c)
Table S-10
Evaluation and display of B2 errors refers to the concatenated data stream (BIP-96).
Evaluation and display of B3 errors:
• Contiguous concatenation: BIP-8
• Virtual concatenation: BIP-32
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
Specifications OC-12c/STM-4c
LED (red) is on while the anomaly is present.
LED (yellow)is on if the anomaly occurred at least once or is still present during
the current measurement interval.
LED
LOF/OOF
B1/B2
B1/B2
-
B3
-
LED display of anomalies
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.
Concatenation Options
S-19