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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