Noisy Fans on a 3Com Switch? Make them quiet!

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#GeorgeChristofi #GeorgesWorkbench
Noisy Fans on a 3Com Switch? Make them quiet!

My current switch is noisy. It is a full on fibre optic backbone switch and it howls. Those of you who watch my videos may have heard it, especially those with headphones. I decided to change it for one that I stopped using because it was too noisy. Huh? Put a noisy switch in instead of a noisy switch? Silly right!

I try and calm the noise in the replacement first with a PWM board that I built in the Lunchtime Electronics series... It was still noisy so I went back to the old fashioned way of doing things.... Half speed by series connection...

Have a watch, hope you enjoy it!
Category
Routers and Switches
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