Equipment Failure Rates: Network Hub
C07-100 to C07-200A
Equipment failure rates, MTBF, MTTR, and downtime statistics for electrical and mechanical plant equipment. Primary data from the USACE PREP reliability database (IEEE Std 3006.8-2018 Table 2), covering ~280 equipment classes. Supplemental data from IEEE motor and transformer surveys.
| equipment type | class code | description | failure rate per year (failures/year) | failures (count) | mdt hours (h) | mtbf hours (h) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|---|
| Network Hub | C07-100 | Network hub, Ethernet | 0.008732 | 2 | 2.75 | 1,003,200 | 2.75 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 229 |
| Network Hub | C07-200A | Network hub, fiber-optic | 0.138554 | 0 | — | 85,929 | — | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 5 |
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