3Com 3C63311 Reference Guide - Page 202
OC3/STM-1 Far Line Performance Statistics
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190 CHAPTER 5: PATHBUILDER S330 DIAGNOSTICS AND PERFORMANCE STATISTICS OC3/STM-1 Section Performance Statistics The OC3/STM-1 Section Performance Monitoring screen displays the following statistics: ES-The number of errored seconds (ESs) encountered by the OC3/STM-1 section. SES-The number of severely-errored seconds (SESs) encountered by the OC3/STM-1 section. SEFS-The number of severely errored framing seconds (SEFSs) encountered by the OC3/STM-1 section. CVS-The number of coding violations (CVs) encountered by the OC3/STM-1 section. LOS-The number of Loss of Signal (LOS) conditions encountered by the OC3/STM-1 section. LOF-The number of Loss of Frame (LOF) conditions encountered by the OC3/STM-1 section. OC3/STM-1 Line Performance Statistics The OC3/STM-1 Line Performance Monitoring screen displays the following statistics: ES-The number of errored seconds (ESs) encountered by the OC3/STM-1 line. SES-The number of severely-errored seconds (SESs) encountered by the OC3/STM-1 line. UAS-The number of unavailable seconds (UASs) encountered by the OC3/STM-1 line. CVS-The number of coding violations (CVs) encountered by the OC3/STM-1 line. AIS-Indicates whether or not an Alarm Indicator Signal (AIS) condition has been encountered by the OC3/STM-1 line. RDI-Indicates whether or not a Remote Defect Indication (RDI) condition has been encountered by the OC3/STM-1 interface. Also known as FERF (Far End Receive Failure). This is the alarm that is generated when a far end AIS or LOP defect is detected. OC3/STM-1 Far Line Performance Statistics The OC3/STM-1 Far Line Performance Monitoring screen displays the following statistics: ES-The number of far end errored seconds (ESs) encountered by the OC3/STM-1 interface. SES-The number of far end severely-errored seconds (SESs) encountered by the OC3/STM-1 interface. UAS-The number of far end unavailable seconds (UASs) encountered by the OC3/STM-1 interface. CVS-The number of far end coding violations (CVs) encountered by the OC3/STM-1 interface. OC3/STM-1 Path Performance Statistics The OC3/STM-1 Path Performance Monitoring screen displays the following statistics: ES-The number of errored seconds (ESs) encountered by the OC3/STM-1 path interface. SES-The number of severely-errored seconds (SESs) encountered by the OC3/STM-1 path interface.