I was asking about this issue a while back but never really got the answer I was looking for but this should simplify my question:
I have my DAW PC and my internet PC set up at the same desk.
When I want to use my audio interface with my internet PC I've been physically switching out the USB cable.
I just want to confirm that a device like this would enable me to just push a button.
http://www.amazon.com/USB-Switch-Device-Printer-Scanner/dp/B000I97N4O
 
Thanks very much,
Randy

You got my curiosity so I just read most of the reviews and seems it will work but is kind cheep and falls over unless you glue it down to something. Gotta be $1.50 worth of parts. 
My only concern would be if the switches both made contact at the same time there would be a 10 Volt blast to your interface, so myself I think I'd pass on this sort of quality. 
I'd want a switch that had a centre all off position. That way there's be no danger of the voltage spike. 
 
Computer -1 
OFF 
Computer -2 

Thanks Johnny,
That makes sense and something I never would have thought of ...I'll look for a higher quality one with hopefully an off button between the A/B.
Thanks again,
Randy
 

I would also be concerned about running my audio interface for recording through a USB switch.  if the switch doesn't make contact with at least as much integrity as a USB cable plugged into a USB port, then you might have possible loss of signal during recording, causing errors in your USB data transfer.  this might be a completely unfounded fear, but I wouldn't use one on my recording device.
 
 

Beagle
I would also be concerned about running my audio interface for recording through a USB switch.  if the switch doesn't make contact with at least as much integrity as a USB cable plugged into a USB port, then you might have possible loss of signal during recording, causing errors in your USB data transfer.  this might be a completely unfounded fear, but I wouldn't use one on my recording device.
 
 

Yessir, that was my initial concern...it may handle a printer or wireless mouse/keyboard fine but it seems to me that real-time audio may be more demanding.
Thanks,
Randy

HI
Just a thought and no idea if this is an option, but had you considered a cheap USB sound card as opposed to USB switch - no idea what a decent switch would cost, but you can get them these days for about the same price I would have thought - a quick search on Amazon produced loads to choose from
Nigel
 
 

Just use a crossover cable between the two PC's network connectors and create a network. My DAW is permanently on a gigabit network but if doing something critical can just simply disconnect.

Bajan Blue
HI
Just a thought and no idea if this is an option, but had you considered a cheap USB sound card as opposed to USB switch - no idea what a decent switch would cost, but you can get them these days for about the same price I would have thought - a quick search on Amazon produced loads to choose from
Nigel
 
 

IIRC, he has a set of monitors that he wants to use between two machines.  His current procedure is to unplug/replug his USB interface into whichever machine he wants to use.
 
I explored the idea of monitor controller and multiple interfaces in the previous thread, but I *think* I remember there being other things connected to the interface as well ... so cleanly switching the interface between the machines seems to be the less complicated of the possibilities.
 
If physically pulling/plugging the USB cable is working, I can't imagine that switch wouldn't work.  About voltage, I seriously doubt the switch would be make-before-break ... but we don't know, do we?
 

At that price, the switch probably isn't mechanical at all, but electronic. The same kind of switch you'd see in a mixing console. In theory, they can't enable both paths at once. However, being solid-state switches they are prone to failure so anything can happen. In my experience failure usually means one or more of the connected USB devices won't work at all, or it requires multiple retries to get them to wake up.
 
I'm using a KVM switch here so that I have easy access to my old computer. Even after 6 months I'm still remembering old files that haven't been transferred to the new machine. It works 95% of the time; the other 5% my USB mouse and/or keyboard becomes unresponsive and I have to hit the switch again or crawl behind the desk and unplug and reconnect all the USB cables. 
 
However, there's not been any damage to anything. Even if there was, it'd most likely be the USB port itself and not the device. And USB ports are pretty resilient. Most can handle a dead short without damage. The most likely scenario is that Windows thinks nothing's connected to the port and powers it off, so make sure that feature has been disabled (which you've probably already done, given that you're using a USB audio interface).
 
All in all, I think it's a reasonable risk.

Thanks very much guys,
Nigel- another sound card would then mean me switching out the XLR cables running to the existing interface 
Mike- the two PCs are already networked ...the idea is for me to shut down my DAW at the end of a workday and use my Event 2020bas' and sub for casual, non-work, chillaxing time.
Bob- I wound up buying a better quality switcher and it will be arriving tomorrow.
I figure if it doesn't work well for audio I can at least use it on a mouse/keyboard.
I'll let you guys know how it goes.
Thanks again everyone!
Randy
EDIT: I somehow missed your post Dave but thanks...it's good to have your encouragement.
I'll let you guys know how it works.