
Installation and Operation Manual Chapter 5 Monitoring and Diagnostics
Egate-100 Ver. 4.0 Monitoring Performance 5-7
Parameter Description
• Alarm Indication Signal (AIS) received in the SDH/SONET overhead.
SES Number of severely errored seconds (SES) in the current interval. A
second is considered to be a severely errored second if multiple error
events of the types described for ES occurred.
UAS(SEFS) Number of unavailable seconds (UAS(SEFS)) in the current interval. An
unavailable second is any second in which one or more SEF defects were
detected
CV Number of coding violations (CV) in the current interval: a coding violation
is declared when a Bit Interleaved Parity (BIP) error is detected in the
incoming signal. The BIP information is collected using the B1 byte in the
Section Overhead.
Viewing Logical Layer Statistics
You can monitor the logical layer as follows:
• Display statistical data for the logical layer
• Clear statistical data for all logical ports.
Egate-100
Main Menu> Monitoring> Logical Layer
1. Statistics >
2. Clear Statistics
3. View Logical Ports []
Please select item <1 to 3>
ESC-prev.menu; !-main menu; &-exit
Figure
5-9. Monitoring Logical Layer Menu
³ To display logical layer statistics:
1. Navigate to Main Menu > Monitoring > Logical Layer.
2. Select Statistics.
The Logical Layer Statistics menu appears as illustrated in
Figure
5-10
to
Figure
5-13
.
3. Select Port number and enter a port number between 1 and 126.
Relevant statistics, depending on protocol type for the specified port, are
displayed. See
Table
5-2
for descriptions.
4. To switch to the next or the previous logical port, press <F> or <B>
respectively.
5. To clear the statistics for this port, press <C>.
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