ABB FOX61 Series User Manual

Contents

ABB FOX61 Series User Manual Manual pdf 41 page image

F O X C S T R E F E R E N C EFOX61xLEDE1 418.3.4.1 AP: / unit-x / port-y, Performance Management - G.8268.3.4.2 AP: / unit-x / port-y, Performance Management - P12 EventsHistory 15min yes yesHistory 24h yes yesAlarm 15min yes noAlarm 24h yes noTable 13: PM counter interval availability (continued)Counter interval G.826 P12 EventsTable 14: PM group: G.826PM parameter DescriptionNear End BBE Near end count of Background Block Errors.An errored block (EB, block with one or more biterrors) occurring as part of an errored second (ES),but not as part of a severely errored second (SES)or unavailable time (UAT).Near End ES Near end count of Errored Seconds.A second with one or more errored blocks but withless than 30% of the blocks errored and not part ofunavailable time (UAT).Near End SES Near end count of Severely Errored Seconds.A second with more than 30% of the blocks erroredor with a defect signal (e.g. LOS, loss of signal) andnot part of unavailable time (UAT).Near End UAT Near end count of Unavailable Time.Unavailable time starts with 10 consecutive SES(included in UAT) and ends with 10 consecutive ESor error free seconds (not included in UAT).Far End BBE Far end count of Background Block Errors.Far End ES Far end count of Errored Seconds.Far End SES Far end count of Severely Errored Seconds.Far End UAT Far end count of Unavailable Time.Path UAT Path UAT is the UAT of the near end or the far end.Table 15: PM group: P12 EventsPM parameter DescriptionLine Code Violations Near end bipolar violations (HDB3 line code errors).Positive Slips Near end positive frame slips.The counter for positive frame slips is incrementedwhen the clock of the NE runs faster than the clockprovided via the ITU-T G.704 framed 2 Mbit/s trafficsignal.Negative Slips Near end negative frame slips.The counter for negative frame slips is incrementedwhen the clock of the NE runs slower than the clockprovided via the ITU-T G.704 framed 2 Mbit/s trafficsignal.