PDP-8 NEGIBUS Cables

From: Ethan Dicks <dickset_at_amanda.spole.gov>
Date: Tue Dec 2 11:58:43 2003

On Tue, Dec 02, 2003 at 09:44:43AM -0800, Marvin Johnston wrote:
> Guy Sotomayor wrote:
> >
> > Since I need something like 44 cables (8/i, DM01, TC01, FPP12, DF32)
> > 100 isn't really too many. Now all I have to do is find the coax ribbon
> > cable...
>
> Would shielded ribbon cable do the same thing? I suspect it might be a
> bit less expensive.

It would work (I have DEC-manufactured cables with unshielded ribbon),
but it would affect max bus length. According to the DEC configuration
docs, coax gives the best performance due to faster signal propagation
(speed of light in different media and what not).

-ethan

-- 
Ethan Dicks, A-130-S      Current South Pole Weather at 02-Dec-2003 17:50 Z
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Ethan.Dicks_at_amanda.spole.gov     http://penguincentral.com/penguincentral.html
Received on Tue Dec 02 2003 - 11:58:43 GMT

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