[App_rpt-users] USB hubs

[David McGough]

Yes, that model multi-TT hub works well. I've got several of them, they 
go by various brand names, but the same UH-217C-US model number.

...That model is getting scarce these days, unfortunately.

73, David KB4FXC



On Fri, 6 Apr 2018, Jason Kendall wrote:

> The problem with USB Hubs are not the speed at all. It's that hubs are
> 2.0, and USB Sound cards are 1.1 (Don't believe what the specs say).
> 
> Most USB2.0 Hubs only have one translator from 1.1 to 2.0. This is fine
> in normal situations because most devices are not real time. Our voice
> systems require multiple near-realtime data transfers which all have to
> share that one is "Multi-TT". Multi-TT hubs usually (in the ones I've
> seen) have 1 translator per port instead of the single shared one.
> 
> I personally have used https://www.amazon.ca/gp/product/B00SZ2DPU2 both
> at home to support multiple USB Sound Cards for Mixing audio - and
> within the past 6 months put this one at VE3LSR with zero issues.
> 
> Choosing others, your millage will very, but look for a "Multi-TT" Hub.
> 
> Cheers and 73,
> VE3YCA
> 
> 
> On 4/2/18 9:33 PM, John Rudolph- N2YP wrote:
> > Has anyone successfully used a USB hub for multiple nodes? If so what
> > model have you used? Do we still need to locate a multi TT hub or do
> > the newer usb 3.0 hubs work fine?
> > John Rudolph
> > Amateur Radio Op N2YP
> > Unadilla,NY
> >
> >
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