Paradyne 9788 - Manual (Page 176)

7. Operation and Maintenance
7-40 December 2002 9700-A2-GB20-20
SHDSL Line Performance Statistics (9788)
Access SHDSL statistics from the Performance Statistics menu.
Main Menu →Status →Performance Statistics→xDSL Line
These statistics account for all traffic on the DSL line.
Rx AIS Cells Number of OAM F5 AIS cells received on the VCC.
Tx RDI Cells Number of OAM F5 Remote Defect Indication (RDI) cells
transmitted on the VCC.
Rx RDI Cells Number of OAM F5 RDI cells received on the VCC.
Table 7-18. VCC Performance Statistics (2 of 2)
Statistic What It Indicates
Table 7-19. SHDSL Line Performance Statistics
Statistic What It Indicates
CRC Anomalies (CV) The number of CRC errors, also known as Code Violations (CVs),
that occurred during the accumulation period.
Errored Seconds
(ES) Number of one-second intervals during which at least one CRC
anomaly or LOSW defect is declared.
Severely Errored
Seconds (SES) Number of one-second intervals during which at least 50 CRC
anomalies are declared or at least one LOSW defect is declared.
LOSW Seconds
(LOSWS) Number of one-second intervals during which at least one SHDSL
Loss of Synchronization Word (LOSW) defects is declared.
Unavailable Seconds
(UAS) Number of one-second intervals during which the SHDSL line is
unavailable. The line is declared unavailable after 10 contiguous
Severely Errored Seconds, and declared available after
10 contiguous seconds with no SES.