Trying to use active USB 2.0 extension cable.

Dave Germiquet davegermiquet-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Fri Dec 4 17:11:09 UTC 2009


Hi Guys,

A friend of mine just showed me one of these devices:

http://www.addonics.com/products/nas/nasu2.asp

Not sure if it'll work for you, but from what I understand it turns
any USB interface into a network interface, could you use this instead
of a USB Cable?


On Fri, Dec 4, 2009 at 11:38 AM, Lennart Sorensen
<lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org> wrote:
> On Fri, Dec 04, 2009 at 03:04:07AM -0500, jim wrote:
>> I'm trying to use an active USB 2.0 extension cable and it doesn't seem
>> to be recognized properly. I'm using Ubuntu Jaunty ( unfotunately the
>> modules are compiled into kernel or I'd try removing uhci_hcd) Below is
>> dmesg output:
>>
>> usb 2-2: new high speed USB device using ehci_hcd and address 9
>> hub 2-0:1.0: unable to enumerate USB device on port 2
>> usb 6-2: new full speed USB device using uhci_hcd and address 3
>> usb 6-2: not running at top speed; connect to a high speed hub
>> usb 6-2: configuration #1 chosen from 1 choice
>> hub 6-2:1.0: USB hub found
>> hub 6-2:1.0: 4 ports detected
>>
>> At first it is recognized as USB 2.0 device ie ehci_hcd driver but
>> ultimately becomes uhci_hcd device. It is this device
>> http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=2329301&CatId=444
>>
>> Maybe it is just a lousy device. Problem is I can't get a USB 2.0 web
>> camera to work properly with it. Can anyone recommend an an active USB
>> 2.0 extension that works with Linux . Eventually I need about 30 feet so
>> was hoping to use two of these. The literature says you can string up to
>> 5 together. I know my USB bus is ok since USB 2.0 hubs work ok and the
>> camera works ok when directly plugged into my computer. Any suggestions?
>> Eventually I will be hooking up 4 cameras.
>
> Have you considered doing:
>
> 15' USB cable connected to a powered USB2 hub, then another 15' cable
> and another powered hub?
>
> Looking at the reviews this product sounds rather flacky.
>
> --
> Len Sorensen
> --
> The Toronto Linux Users Group.      Meetings: http://gtalug.org/
> TLUG requests: Linux topics, No HTML, wrap text below 80 columns
> How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists
>



-- 



Dave Germiquet
--
The Toronto Linux Users Group.      Meetings: http://gtalug.org/
TLUG requests: Linux topics, No HTML, wrap text below 80 columns
How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists





More information about the Legacy mailing list