Re: LZ: RS-232 & RS-422 Standards


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Re: LZ: RS-232 & RS-422 Standards



> The primary problem has nothing to do with the protocol or the number of
> pins, and everything to do with the way the Mac handles hardware access.
> (i.e. it doesn't let you control the logic levels of the individual port
> lines unless you hack the hardware directly (which virtually assures you
> that it won't work on any other model of Mac).)


  True; thus you need some sort of adapter tacked on to adapt the 
voltages (I assume that's what you meant; I don't really know much about 
this sort of thing - yet).


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                     *           Daniel Knapp           *
                     *       FeatherWate Software       *
                     *     email: dankna@bergen.org     *
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                     * The sysop is in Berkely, though. *
                     * She will not see me typing here, *
                     *        To watch this Mac         *
                     *          Refuse to go.           *
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