[geeks] KVM switch remains on after being unpluged

[John Francini]

I see this all the time with the Belkin 16-port KVMs we use at $WORK.   
We have to unplug all the USB connections in order to get them to  
power down completely.  They're also annoying in that they don't come  
with universal power supplies -- just cheapo 120V->12V units. All our  
racks run on 208V, so we keep a set of 100-240v->12V bricks on hand  
that are better made, have better specs, and have a C13 socket.

j



On 9 Jun 2010, at 15:48, der Mouse wrote:

>> After trying changing the keyboard and mouse to no avail, I thought I
>> could switch the KVM off and on to see if it would help.  When
>> pressing the OFF button nothing happens, the KVM remains on.  So I
>> tried unplugging the power transformer and, to my surprise, it's
>> still on (though not working properly) even unplugged!
>
> I'm with the people who suspect this is being powered over the  
> keyboard
> (and possibly mouse) connections.  I've seen that before with KVMs.
>
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