X440-24t fan operation temperature

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Hello,

can anybody tell me at which temperature the fan in a Summit X440-24t starts running?
I can't find informations about in the datasheet or userguide.
In another thread it seems the the fan will start running at 48°C, but in datasheet the operating temperature is max. up to 45°C.
I'm confused.

Can you help me?
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Peter

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Posted 3 years ago

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Zelnosky, Kevin, Employee

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Official Response
Peter,

Here is a GTAC article that states what you have already hit on.  Looks like the fans do not start until you exceed 48 degrees.

http://gtacknowledge.extremenetworks.com/articles/Q_A/Is-it-normal-for/?q=Is+it+normal+for+Summit+X4...

I'm not sure about the data sheet listing 45 as the max, if you do a "show temp" on the switch, what range does it list?
(Edited)