Alarm_ description & troubleshooting_7745.ppt

Alarm 7745_Channel failure rate above defined threshold

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Contents • Alarm Definition as per ND

• !easons for Alarm

•  "rou#les$ootin%

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Alarm Definition as per NED : •7745

CHANNEL FAL!"E "A#E A$%&E DEFNED #H"E'H%LD

(eanin) : "$e rate of calls terminatin% in failure on a c$annel is a#o'e t$e t$res$old 'alue set #y t$e operator( "$e alarm is used to super'ise t$e functionin% of traffic and si%nalin% c$annels) and to detect t$e possi#le faulty c$annels( *arameters) wit$ t$eir default 'alues) affectin% t$e alarm+ ,N+"C-F! . "C- failure rate 20  SC-F! . SDCC- failure rate 30  *!DCF! . len%t$ of super'ision period 40 min CS . c$annel sei5ure t$res$old 'alue 10 S67N" . super'ision start time 03800 67N" . super'ision end time 13800

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