RE: Extending USB Connections

["Paul Gordon" <paul_gordon@xxxxxxx>]

Bloody price of it though!!! - $269 for a single point-to-point link, -
$369
or one with a 4-port USB hub built in!! ($100 for a hub?!?!?)

Another market opportunity Keith?? (PS, sorry, not sent those M/boards out
yet - I'll do it this W/end...)

Paul G.





>From: "James, Daniel" <daniel.james@xxxxxxx>
>Reply-To: ukha_d@xxxxxxx
>To: "'ukha_d@xxxxxxx'" <ukha_d@xxxxxxx>
>Subject: RE: [ukha_d] Extending USB Connections
>Date: Thu, 6 Dec 2001 11:32:42 -0000
>
>Just found this
>
>Looks like someone have beaten you to making KUT5 :-)
>
>http://www.usbstuff.com/icron.html
<http://www.usbstuff.com/icron.html>
>
>I'll try messing around with some USB cabling at some point over
Christmas.
>
>Cheers
>
>Dan
>
>-----Original Message-----
>From: Keith Doxey [mailto:ukha@xxxxxxx]
>Sent: 06 December 2001 11:31
>To: ukha_d@xxxxxxx
>Subject: RE: [ukha_d] Extending USB Connections
>
>
>Instead of spending more money on a camera, why not buy a couple of USB
>connectors and make a lead.
>
>
>PC USB_Plug (A&B) RJ45 ---------CAT5---------RJ45(A&B + Local
5V
>input)USB_Socket <Webcam
>
>Keith
>
>PS. Dont blame me if it doesnt work !
>
>-----Original Message-----
>From: James, Daniel [mailto:daniel.james@xxxxxxx]
>Sent: 06 December 2001 11:25
>To: 'ukha_d@xxxxxxx'
>Subject: RE: [ukha_d] Extending USB Connections
>
>
>Umm.. thanks for this Keith
>
>I might look at buying a cheap (£20) camera and pulling it to bits
then..
>
>Dan
>
>
>
>-----Original Message-----
>From: Keith Doxey [mailto:ukha@xxxxxxx]
>Sent: 06 December 2001 11:23
>To: ukha_d@xxxxxxx
>Subject: RE: [ukha_d] Extending USB Connections
>
>
>I would be tempted to try USB over a longer distance.
>
>I believe the main limitation is in the pair of wires feeding the
power.
>USB
>has 4 wires +5v, 0v, A & B. A and B are the data pair, as long as
you used
>a
>local power supply at the distant end it might work OK. As I understand
it,
>the actual DATA is carried as a balanced RS485 type signal so should be
>good
>for quite a long distance over CAT5.
>
>Of course, I could be talking B******* as I have never played with USB.
>
>I cant test this theory as I dont own any USB kit.
>
>Keith
>
>-----Original Message-----
>From: James, Daniel [mailto:daniel.james@xxxxxxx]
>Sent: 06 December 2001 11:04
>To: 'ukha_d@xxxxxxx'
>Subject: RE: [ukha_d] Extending USB Connections
>
>
>Excuse the blonde question :-)
>
>but why is their such a limitation on the length of cable for USB? - do
>they
>use very low voltages for their signalling, and as such this would
>deteriorate over any distance - say 15 metres?
>
><Whinge mode>
>It just seems such a waste, that I can buy a reasonable colour web cam
for
>under £50 and I could then have more than one connected to my pc, that
they
>would all have to be within a few metres of node Zero!!
></Whinge mode>
>
>
>Daniel (throwing his toys out of the box!!)
>
>
>-----Original Message-----
>From: Andy Laurence [mailto:andylaurence@xxxxxxx]
>Sent: 06 December 2001 11:00
>To: ukha_d@xxxxxxx
>Subject: Re: [ukha_d] Extending USB Connections
>
>
> > Erm, I didn't think that was what USB / Ethernet adaptors did!
>
>Most don't , but I'm sure there's some that do ... somewhere ...
>
> > They're there to give a PC a network connection using a USB port
rather
> > than a PCI or an ISA one.
> >
> > In order to extend the camera, Dan would need the CAMERA to be
able to
> > load the device drivers for the USB network card, if you see what
I
> > mean.
>
>yeah, gotcha.
>
> > Am I wrong here? Are there, in fact, USB extenders that work over
> > Ethernet???
>
>I'm sure I've seen them around, but I've no idea where.  Perhaps
someone
>else has?
>
>Andy
>--
>PC-Based Multimedia System - now working!
>http://www.andylaurence.pwp.blueyonder.co.uk/pcbmms
><http://www.andylaurence.pwp.blueyonder.co.uk/pcbmms>
>
>
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