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86 Chapter 5 Graphing statistics in Device Manager
209564-A
Table 25 describes the fields in the Section tab.
Viewing Line statistics
To display Line statistics:
1 On the device view, right-click the port.
2 Choose Graph Port.
The graphSonetPort dialog box opens with the POS statistics tab displayed
(Figure 25 on page 81).
3 Click the Line tab.
The Line tab opens (Figure 29).
Figure 29 graphSonetPort dialog box — Line tab
Table 26 describes the fields in the Line tab.
Table 25 Section tab fields
Field Description
ESs Errored Second (ES) is a second with one or more Coding Violations
or one or more incoming defects, for example, SEF, LOS, AIS, LOP.
SESs Severely Errored Second (SES) is a second with x or more CVs, or a
second during which at least one or more incoming defects.
SEFSs Severely Errored Framing Second (SEFS) is a second containing one
or more SEF events.
CVs 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.