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, right-click the port.

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).

Figure 31 graphSonetPort dialog box — Path tab

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Nortel Networks 8683POS manual Viewing Path statistics, Describes the fields in the FE Line tab, FE Line tab fields