[GreenKeys] Keyboard Reperf Wiring

[Nick England]

You are correct in not wanting to “double-drive” the reperf. So you can
operate in K mode only with Tom’s switch to enable/disable the reperf.

Or install the optional cam that enables mechanical coupling in T mode only
(recommended only for masochists).


On Mon, Dec 28, 2020 at 9:13 AM Steve Garrison <steve.n4tty at gmail.com>
wrote:

> .....I have been unable to find any documentation from Teletype about how
> the reperf is electrically connected.  If it can be used to record received
> messages, then it must be driven by the loop that drives the typing unit.
> What then becomes confusing, to me at least, is that if it may also be
> actuated mechanically by the keyboard, then typing would seem to also send
> a signal from the keyboard contacts that goes to the typing unit loop,
> which in turn drives the reperf.  So it is like the reperf gets the
> character typed twice.  Once in parallel from the codebar extensions and
> also serially via the loop.  Am I completely lost?  I think so.
>

-- 
Nick England K4NYW
www.navy-radio.com
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