It's been at least 10 years since my last look at RS422, bit IIRC, there
were two connectors involved in that spec. There was a DC37 of one geneder
or another, and there was, I believe, a DA15 as well, which was the one with
the differential high-rate signals on it. Does that sound reasonable to
anyone. I know most applications use(d) a subset of this standard but
referred to it as RS-422 only because they used the 5volt differential
signalling-copmpatible drivers, e.g. 26LS32/33, MC3486/87, etc.
Does this ring a bell with anybody?
Dick
----- Original Message -----
From: Cameron Kaiser <spectre_at_stockholm.ptloma.edu>
To: <classiccmp_at_classiccmp.org>
Sent: Monday, September 18, 2000 3:48 PM
Subject: Re: RS-422 gender benders
> > On this list it seems to be the extra-long TX15 Torx driver that you
need
> > to undo the top 2 screws (the ones inside the handle) of a classic-Mac.
>
> *And* there's some Torx screws on the inside, at least in this SE/30, that
> also need the extra-long shaft.
>
> > I've seen another tool called a Mac Cracker (or a Mac Case Cracker).
This
> > was a special pair of pliers with wide (about 4" wide) thin, flat blades
> > in place of the jaws. You took out all the screws and put this tool in
> > the crack between the front case and the back shell. Squeezing the
> > handles caused the blades to force the case apart.
> > I've never bothered with one. In my experience, after removing all the
> > screws (not forgetting the one under the battery cover), put the machine
> > face down and press on the battery and on the connectors. Once the case
> > starts to move it'll come off easily.
>
> Yeah, this I've seen also. It was totally unnecessary. Any reasonable
amount
> of care and the case will slide right off with a minimum of effort.
>
> --
> ----------------------------- personal page:
http://www.armory.com/~spectre/ --
> Cameron Kaiser, Point Loma Nazarene University *
ckaiser_at_stockholm.ptloma.edu
> -- A dean is to faculty as a hydrant is to a dog. -- Alfred
Kahn --------------
>
>
Received on Mon Sep 18 2000 - 17:26:20 BST