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ENVIRONMENTAL SPECIFICATIONS
Thermals
Thermal specification should exactly match OCP spec (PMI and PMC) - current version v67 section 9.
Environmental
Operational:
•
Cold aisle (inlet) temperature: -5ºC to 45ºC
•
Relative humidity: 10% to 90%, non-condensing
•
Altitude: up to 3050m (10,000ft)
Thermal Requirements
Operational:
Reserving adequate thermal margins on components is critical. These margins should be defined with respect to de-rated values, as appropriate.
Thermal Margin Requirements
Component thermal margin of ≥7% or ≥5ºC up to 30ºC inlet/ambient and 3050m (10,000ft) above sea-level. Target whichever value is larger.
Component thermal margin of ≥4% or ≥3ºC at greater than 30ºC inlet/ambient and up to 3050m (10,000ft) above sea-level. Target whichever value
is larger.
Margin to de-rated temperatures should account for associated differences in reading and measurement location. Impact to reliability should also
be considered when determining required margin.
Themal Kit:
•
To target an accuracy of ≤±5ºC (≤±2ºC is preferred). Thermal margin requirements defined above should account for sensor inaccuracy for a
temperature sensitive component.
•
Surface temperature: To make the PMC safe for handling in-operation, accessible surfaces shoud not exceed a temperature of 70ºC.
Vibration and Shock
The PMC meets vibration and shock test per EN 60068-2-6 and 60068-2-27 respectively and is to be performed at system shelf level (i.e. power shelf
installed with PSUs and PMI/PMC module).
Compliance
Safety, EMC, environmental and document compliance specification should exactly match OCP spec (PMI and PMC) - Current version v67 section 10.
1OU OCP Power Management Controller (PMC)
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