3Com 3C63311 Reference Guide - Page 203
Viewing OC3/STM-1 ATM Statistics, Cells Received, Cells transmitted
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Viewing Performance and ATM Statistics 191 UAS-The number of unavailable seconds (UASs) encountered by the OC3/STM-1 path interface. CVS-The number of coding violations (CVs) encountered by the OC3/STM-1 path interface. LOP-Indicates whether or not a Loss of Pointer (LOP) condition has been encountered by the OC3/STM-1 path interface. AIS-Indicates whether or not an Alarm Indicator Signal (AIS) condition has been encountered by the OC3/STM-1 path interface. RDI-Indicates whether or not a Remote Defect Indication (RDI) condition has been encountered by the OC3/STM-1 path 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. UEQ-Indicates whether or not an Unequipped (UEQ) condition has been encountered by the OC3/STM-1 path interface. If a path is not provisioned (i.e. it is idle), the SONET equipment will signal this state. PLM-Physical Layer Module. OC3STM-1 Far Path Performance Statistics The OC3/STM-1 Far Path Performance Monitoring screen displays the following statistics: ES-The number of far end errored seconds (ESs) encountered by the OC3/STM-1 path interface. SES-The number of far end severely-errored seconds (SESs) encountered by the OC3/STM-1 path interface. UAS-The number of far end unavailable seconds (UASs) encountered by the OC3/STM-1 path interface. CVS-The number of far end coding violations (CVs) encountered by the OC3/STM-1 path interface. Viewing OC3/STM-1 ATM Statistics To view OC3/STM-1 ATM statistics, follow these steps: 1 From the Performance Management menu, select [4] OC3/STM-1 UNI. The OC3/STM-1 Performance Management menu appears. 2 Select [2] ATM Statistics. ATM cell statistics are cell counts since the last counter reset. On the OC3/STM-1 ATM Statistics screen, you can reset the counter by entering [c]. The OC3/STM-1 ATM Statistics menu provides the following information: Cells Received-The number of ATM cells received on the OC3/STM-1 since the last user reset of this counter. Cells transmitted-The number of ATM cells transmitted on the OC3/STM-1 since the last user reset of this counter. Cells with uncorrectable HCS errors-The number of idle/unassigned cells encountered and dropped on the interface due to uncorrectable HCS errors. Cells with correctable HCS errors-The number of header check sequence (HCS) errored cells encountered on the ATM interface.