88Chapter 5 Graphing statistics in Device Manager
Table 27 describes the fields in the FE Line tab.
Table 27 FE 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 Path statistics
To display Path 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 Path tab.
The Path tab opens (Figure 31).