Tellabs 6325, Руководство по установке оборудования

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74 MA365 • Rev. A2
Tellabs
®
6325 Edge Node 3 Reference Information
3.5.11 MTBF
Calculation method
The MTBF rates presented in this manual were calculated using the FIT rate
models contained in section 7 of
[56] , using the Black Box technique, as de-
scribed in section 3.1 of [56] .
MTBF values
The table specifies the MTBF values for the Tellabs 6325 node items.
Operational lifetime
The Tellabs 6325 node unit is designed for a 15 year lifetime.
Item MTBF (years) (total)
SC2 316
Fan 256.7
PS-DC 109.6
AC/DC adapter 11.4
CMCC 64.1
SIMX4 71.2
SIMX16 63.8
SPIMX 53.1
PIM1 73.2
TR-0001 100
TR-0002 100
TR-0003 100
TR-0004 100
TR-0005 100
TR-0006 100
TR-0007 100
TR-0008 100
TR-0009 100
TR-0010 100
TR-0011 100
TR-0012 100
TR-0016-551 100
TR-0017 100
TR-0020-xxx 100