Re: Digest Number 197

PTENGIN@... wrote:

> From: PTENGIN@...
>
> In a message dated 10/10/1999 8:47:41 AM Hawaiian Standard Time,
> drewid@... writes:
>
> << [What I find on my diagram is something called "TTY", >>
> I don't know what the voltage levels or other protocals are but I'm sure this
> is "teletype". A serial connection similar to rs-232.

Yes, the code is the same, but the signal is likely current loop, rather than
voltages. This can be coupled very nicely with opto-isolators, for even
better noise immunity.

Jon