[GreenKeys] autostop ASR33

[Nico de Jong]

Hi all

I just found a small PCB marked TTY MOTOR CONTROL KØTTY.
I am about to add a ASR33 to my tty installation, but I would hate having to 
listen to the noise when there is no traffic.
Would one of you be in posession of the circuit diagram for this board?

73, Nico, OZ1BMC 

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