Nortel Networks 8683POS User Manual
86
Chapter 5 Graphing statistics in Device Manager
209564-A
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
(
(
).
3
Click the Line tab.
.
Figure 29 graphSonetPort dialog box — Line tab
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.
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.
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.
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.
detected in the incoming signal. CV counters are incremented for
each BIP error detected.