Re: LocalTalk/AppleShare between IIgs and Mac LC 575 - how?

["william strutts" <wrstrutts1@home.com>]

Yeah, I set up a small network like that once with two
Mac's and a printer.  I had to have a Localtalk box for
each item on the network.  It works real nicely too.

--
--
William R. Strutts - wrstrutts1@home.com - Whatever!

C'est moi!  http://www.facelink.com/wrstrutts

Just hacking away...
"Michael J. Mahon" <mjmahon@aol.com> wrote in message
20010607233613.12842.00001847@ng-cg1.aol.com">news:20010607233613.12842.00001847@ng-cg1.aol.com...
> Rodney Hester wrote:
>
> >I'm a bit confused - if I don't need drop boxes for direct-connect, why
are
> >they necessary for each node?  I figured it would be enough to have the
> >LocalTalk Connector Kit "Y" cable on the GS, with direct connects from it
to
> >the Mac and the ImageWriter (with the LocalTalk card).  That in and of
> >itself is not a terribly expensive solution, but *3* connector kits would
be
> >a little more imposing.
> >
> >> Apple's LocalTalk cabling uses specially made cables to connect the
drop
> >> boxes, with Mini-Din-3 connectors.  The drop boxes usually have
> >> automatic termination, so you don't need to worry about this issue.
> >
> >Ah - so the connectors on the "Y" aren't DIN-8?  I can't understand why.
:/
> >Termination shouldn't be an issue anyway, I'd think - wouldn't the
internal
> >LocalTalk connectors on each device suffice?
>
> This should be made more clear.  The serial ports on the Mac and IIgs,
> with their mini-DIN 8 connectors, are RS-422.  It is a point-to-point
> electrical protocol.  It cannot be "wire-ored" or paralleled with multiple
> devices.
>
> The LocalTalk network _is_ bussed, by daisy-chaining, potentially to many
> devices (32?).  The "drop box" is not just wires, it contains transformer
> coupling and level conversion from the LocalTalk network signals to the
> RS-422 levels.  It is needed as soon as you have more than two devices,
> which are, of course, interconnected point-to-point.
>
> -michael
>
>  Email:  mjmahon@aol.com
>  Home page:  http://members.aol.com/MJMahon/