hissing from a hub

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Mon Nov 24 14:45:39 2003

>From: "Pete Turnbull" <pete_at_dunnington.u-net.com>
>
>On Nov 24, 9:08, Dwight K. Elvey wrote:
>> Hi
>> Pairs of switching power supplies often interreact to
>> make a sound like hissing. There may not be anything
>> wrong with it. Still the electrolytic leaking might
>> be a problem.
>
>OfficeConnect hubs, switches, whatnots, are very small devices that
>have an external wall-wart PSU and no fan, and are normally absolutely
>silent.
>

Ok, how about one of those little beeper/speakers? Does
it have one of those? Otherwise, it is most likely an
electrolytic.
Dwight
Received on Mon Nov 24 2003 - 14:45:39 GMT