17-22
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 17 Performance Monitoring
17.5 ITU G.709 and ITU-T G.8021 Trunk-Side PM Parameter Definitions
Table 17-26 defines the ITU G.709 path monitoring trunk-side PM parameters. For more information,
see the “17.2 Transponder and Muxponder Card Performance Monitoring” section on page 17-2.
Table 17-25 ITU G.709 and ITU-T G.8021 Section Monitoring PM Definitions
Parameter Definition
BBE-SM Section Monitoring Background Block Errors (BBE-SM) shows
the number of background block errors recorded in the OTN
section during the PM time interval.
BBER-SM Section Monitoring Background Block Errors Ratio
(BBER-SM) shows the background block errors ratio recorded
in the OTN path during the PM time interval.
ES-SM Section Monitoring Errored Seconds (ES-SM) shows the errored
seconds recorded in the OTN section during the PM time
interval.
ESR-SM Section Monitoring Errored Seconds Ratio (ESR-SM) shows the
severely errored seconds ratio recorded in the OTN section
during the PM time interval.
FC-SM Section Monitoring Failure Counts (FC-SM) shows the failure
counts recorded in the OTN section during the PM time interval.
SES-SM Section Monitoring Severely Errored Seconds (SES-SM) shows
the severely errored seconds recorded in the OTN section during
the PM time interval.
SESR-SM Section Monitoring Severely Errored Seconds Ratio
(SESR-SM) shows the severely errored seconds ratio recorded
in the OTN section during the PM time interval.
UAS-SM Section Monitoring Unavailable Seconds (UAS-SM) shows the
unavailable seconds recorded in the OTN section during the PM
time interval.
Table 17-26 ITU G.709 Path Monitoring PM Definitions
Parameter Definition
BBE-PM Path Monitoring Background Block Errors (BBE-PM) shows the
number of background block errors recorded in the OTN path
during the PM time interval.
BBER-PM Path Monitoring Background Block Errors Ratio (BBER-PM)
shows the background block errors ratio recorded in the OTN
path during the PM time interval.
ES-PM Path Monitoring Errored Seconds (ES-PM) shows the errored
seconds recorded in the OTN path during the PM time interval.
ESR-PM Path Monitoring Errored Seconds Ratio (ESR-PM) shows the
severely errored seconds ratio recorded in the OTN path during
the PM time interval.
FC-PM Path Monitoring Failure Counts (FC-PM) shows the failure
counts recorded in the OTN path during the PM time interval.
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