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RE: Extending USB Connections



>It was Mark who suggested KUT5 :-)
 
yeah well he does like to stir :-)
 
I'll report back when I've had time to play with USB, probably be January though, SWMBO will kill me if I don't finish decorating the lounge before Christmas!!
 
Daniel
-----Original Message-----
From: Keith Doxey [mailto:ukha@xxxxxxx]
Sent: 06 December 2001 12:14
To: ukha_d@xxxxxxxSubject: RE: [ukha_d] Extending USB Connections

It was Mark who suggested KUT5 :-)
 
I will stick to the AV stuff for now. Let us know how you get on with modifying cables. Like I said, I dont have any USB kit to experiment with anyway.
 
Keith
-----Original Message-----
From: James, Daniel [mailto:daniel.james@xxxxxxx]
Sent: 06 December 2001 11:33
To: 'ukha_d@xxxxxxx'
Subject: RE: [ukha_d] Extending USB Connections

Just found this
 
Looks like someone have beaten you to making KUT5 :-)
 
 
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@xxxxxxxSubject: 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@xxxxxxxSubject: 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@xxxxxxxSubject: 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


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