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Re: Just a little question ..

To: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: Just a little question ..
From: nick@ns.snowman.net
Date: Fri, 28 Apr 2000 15:40:05 -0400 (EDT)
Cc: Jan-Benedict Glaw <jbglaw@lug-owl.de>, linux@cthulhu.engr.sgi.com
In-reply-to: <Pine.LNX.4.10.10004282023290.454-100000@cassiopeia.home>
Sender: owner-linuxmips@oss.sgi.com
FDDI sounds right.  What does the physical connector look like?  I think
FDDI does 4-5 encoding?
        Nick

On Fri, 28 Apr 2000, Geert Uytterhoeven wrote:

> On Fri, 28 Apr 2000, Jan-Benedict Glaw wrote:
> > Btw, my box has a card added which has transceivers vor glass cables. Does
> > anybody know what this is (FDDI or 10MBit ethernet...)?
> > Transmitter:        AMP 269011-1, 125MBit/s, @1300nm
> > Receiver:   AMP 269011-1, 125MBit/s, @1300nm
> > The board is connected on top of the CPU board and labeled with "SILICON
> > GRAPHICS INC. ASSY NO. 030-0246-006 REV A  MADE IN U.S.A 1992". Next to
> > transmitter/receiver, there's a crystal oscillator with 25MHz. That card 
> > also
> > has an own "processor", a AMD Am29030, build 1991.
> 
> The 125 MBit/s looks like a 100 Mbps signal with 4-to-5 encoding. Since
> 100-Base FX Ethernet didn't exist in 1992 and ATM runs at 155 Mbps, I guess
> it's FDDI.
> 
> Gr{oetje,eeting}s,
> 
>                                               Geert
> 
> --
> Geert Uytterhoeven -- Linux/{m68k~Amiga,PPC~CHRP} -- geert@linux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like 
> that.
>                                                           -- Linus Torvalds
> 


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