[GreenKeys] Interface board for Model 15, schematic and parts list (RO version)

[gil at baudot.net]

> -------- Original Message --------
> Subject: Re: [GreenKeys] Interface board for Model 15, schematic and
> From: "Lester Veenstra" <m0ycm at veenstras.com>
> 
> How about an RS-232 interface powered opto isolated ciruit to go from 60 ma
> loop back to rs-232 for input to PC?
>  
> Lester


uh, like this one?
http://www.baudot.net/tty-connect/tc-schematic-2of4.pdf

gil smith
greenkeys moderator
gil at baudot.net
www.baudot.net
Vaux Electronics:  480-354-5556