[Beowulf] Jury rigged ethernet?

[Ed Karns]

Not a good idea, although it may actually work. ... not necessarily  
doomed to failure, but not industry standard practice.

Test before you commit.

Ed
FireWireStuff.com


On Sunday, June 26, 2005, at 12:04  PM, beowulf-request at beowulf.org  
wrote:
> Today's Topics:
>
>    1. (Huntress Gary B NPRI)
>  .....
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 22 Jun 2005 22:37:29 -0400
> From: Huntress Gary B NPRI <HuntressGB at Npt.NUWC.Navy.Mil>
> Subject: [Beowulf] Jury rigged ethernet?
> To: "'beowulf at beowulf.org'" <beowulf at beowulf.org>
> Message-ID:
> 	 
> <A506359028CAD21191C10008C75D895C0C6D5248 at NPRI54EXC14.NPT.NUWC.NAVY.MIL 
> >
> 	
> Content-Type: text/plain
>
> This is more than a little off topic but if the answer is encouraging  
> it will strengthen my case to purchase a small-ish cluster  
> significantly.
>
> Basically I am exploring the idea of placing a cluster in a dedicated  
> "non-traditional" physical location where space is at a dramatic  
> premium.  This particular space has existing cabling that I cannot  
> change and it is my only electrical access.  A single existing cable  
> provides 3 phase power, a few DC discrete signal pairs, and a few  
> twisted shielded pairs that were used for serial communication.   The  
> cable is approximately 30 feet long.  I would like to adapt two  
> twisted pairs for ethernet.
>
> What are the chances that I can coax 10Mbps out of this connection  
> with modern (hopefully tolerant) ethernet cards at either end?  Is  
> this doomed to failure?
>
> Thanks,
>
> Gary H.
>