Re: Modem Trouble

[dempson@actrix.gen.nz (David Empson)]

Randy Shackelford <shack@onyx.southwind.net> wrote:

> Matt Willman (willman.matt@cnf.REMOVE.com) wrote:
> : Recently aquired a 28.8 Teleport Modem for Mac.  Wanted to hook it to my
> : Apple2Gs, BUT the mini-din connector wasn't happy with that idea.  The
> : din connector from the modem (from bottom up) is 3( or is it 2?) pin, 4
> : pin, 3 pin.  Anyway, where the modem connector has 4 pins, the GS (on
> : the modem port) has 3 pin slots.  Is there an adapter for this kind of
> : situation, do I have to wire my own connector, or?
> 
> Sounds an awful lot like a geoport you got there. They ain't modems, they
> just connect a phone line to the modem port so that the DSP in a Quadra AV
> or the PowerPC itself in a Pmac can simulate a modem. They won't work on
> any other boxes.

That is certainly possible, but it might be a Teleport modem that just
relies on the GeoPort connector to get power (rather than having an
external power pack, like mine).

The ninth pin is used to provide +5V to the modem.  To connect it to the
IIgs (assuming it is a Teleport), you would need to find some other way
to get +5V (with sufficient current) into the modem, and cut off the
offending pin.

Precisely which Teleport model is this?  Some of them provide the
low-level functions in the modem, but leave high-level stuff like data
compression to the Mac, so there will be significant features missing if
used on the IIgs.


-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P.O. Box 27-103, Wellington, New Zealand