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Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 8 SDH Performance Monitoring
SDH Performance Monitoring for Optical Cards
HP-ESR
High-Order Path Errored Second Ratio (HP-ESR) is the ratio of errored
seconds to total seconds in available time during a fixed measurement
interval.
HP-SESR
High-Order Path Severely Errored Second Ratio (HP-SESR) is the ratio
of SES to total seconds in available time during a fixed measurement
interval.
HP-BBER
High-Order Path Background Block Error Ratio (HP-BBER) is the ratio
of Background Block Errors (BBE) to total blocks in available time
during a fixed measurement interval. The count of total blocks excludes
all blocks during SESs.
Table 8-32 High-Order VC4 and VC4-Xc Path PMs for the STM-16 and STM-64 Cards (continued)
Parameter Definition
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