Re: TI-H: The Parallel Port Link

Subject: Re: TI-H: The Parallel Port Link
From: Tim Gerla <timg@climax.polaristel.net>
Date: Mon, 28 Oct 1996 14:45:38 GMT
In-Reply-To: <Pine.BSI.3.91.961027211128.24797B-100000@server1.iop.com>

On Sun, 27 Oct 1996 21:12:49 -0500 (EST), you wrote:
>
>Well, actually, no.  The ti transmits as zero volts for a binary 1, so when 
>data is being transfered, there would be no light.  Anyway, the light 
>would turn a specific color depending on what way the data was being 
>transfered.
>
Not the way I see it. No data is +5 volts, data is 0 volts. When it's
binary 1, it's 0 volts, so no electricity is going through the LED.
The LED stays off. When it's binary 0, +5 volts are going through, so
the LED lights up.


-Tim
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