Chapter 5 Graphing statistics in Device Manager 87
Table 26 Line tab fields
Field
ESs
SESs
CVs
UASs
Description
Errored Second (ES) is a second with one or more Coding Violations or one or more incoming defects, for example, SEF, LOS, AIS, or LOP.
Severely Errored Second (SES) is a second with x or more CVs, or a second during which at least one or more incoming defects.
Coding Violations (CV) are Bit Interleaved Parity (BIP) errors that are detected in the incoming signal. CV counters are incremented for each BIP error detected.
Number of seconds that the interface is unavailable.
Viewing FE Line statistics
To display FE Line statistics:
1On the device view,
2Choose Graph Port.
The graphSonetPort dialog box opens with the POS statistics tab displayed (Figure 25 on page 81).
3Click the FE Line tab.
The FE Line tab opens (Figure 30).