Specifications

A
Specifications
94
Power consumption

Mean time between failures (MTBF)
•CalculationType:MTBF/FITrate
• Standard:Telcordi aStandardSR‐332Issue2
• Methods:MethodI,CaseIII,QualityLevelII
ThecalculationresultsinTable 32weregeneratedusingthereferencesandassumptions
listed.Thisspecificationanditsassociatedcalculationssupersedeallotherreleasedmean
timebetweenfailures(MTBF)andfailureintime(FIT)calculationswithearlierdates.The
reportedfailureratesdonotrepresentcatastrophicfailure.
Environmental assumptions
•Failureratesarebasedona35°Cambienttemperature.
• Appliedcomponentstresslevelsare50%(voltage,current,and/or power).
• Ground,fixed,controlledenvironmentwithanenvironmentaladjustmentfactorequal
to1.0.
Table 30. CPM power consumption
Product
Typical power consumption
measured at 25° C
Maximum power consumption
measured at 55° C
CPM with SAS drive and RTM installed 85 W 163 W
CPM with AMC and RTM installed 116 W 185 W
Table 31. AMC and RTM power limitations
Product Maximum
AMC 20 W
RTM 25 W
Table 32. Reliability estimate data
a
a
Calculations based on the blade only; does not include
DIMMs or AMC.
MTBF Failure rate (FIT)
149,000 hours 6711 per 10
9
hours