[GreenKeys] Computer Control of an ASR Mod33 Teletype Punch

[Bob Patterson]

Thanks, John.  How do you get your PC to generate a Line Feed character 
through PUTTY?

Bob

On 11/28/2018 2:03 PM, john at toebes.com wrote:
>
> I’ve got Mike Douglas’ Teletype RS-232 adapter 
> (http://deramp.com/tty_adapter.html) connected to a prolific 
> USB-to-Serial Comm Port 
> (https://www.amazon.com/USB-Serial-Adapter-Prolific-Retention/dp/B000HVHDJ8). 
> I can quite successfully send and receive from it using PUTTY (7M2).   
> Based on that I can easily build an application to talk to the 
> printer, but I’ve not yet seen how I can tell it to ONLY talk to the 
> punch.  Thinking back to my high school days when we had 5 teletypes 
> connected to an Interdata 7/16, I know that we were regularly punching 
> out big letters on the papertape without printing on the printer.  
> That’s what I would like to be able to recreate.
>
>   * John
>
> *From:* Bob Patterson <bobp at mktx.com>
> *Sent:* Wednesday, November 28, 2018 4:41 PM
> *To:* john at toebes.com; greenkeys at mailman.qth.net
> *Subject:* Re: [GreenKeys] Computer Control of an ASR Mod33 Teletype Punch
>
> Good news, John!
>
> For the benefit of the rest of us who are trying to interface ASR-33's 
> to computers, could you give us a quick summary/recap of what 
> interface hardware and software you're using?
>
> I've got a Tripp-Lite model USA-19HS RS-232 to USB interface connected 
> to a Telebyte Model 65A 20MA current loop to RS-232 interface and I 
> can send characters from my notebook PC to my KSR-33 just fine (except 
> I haven't been able to generate Line Feeds yet), but when sending 
> characters from the Teletype back to my PC, while some are received 
> successfully, others get garbled.  The software on the PC that I have 
> been using for the interface is the Putty application with 8 data 
> bits, 2 stop bits and no parity.
>
> Thanks for any suggestions any Greenkeyers may have.
>
> Bob
>
> On 11/28/2018 12:58 PM, john at toebes.com <mailto:john at toebes.com> wrote:
>
>     All,
>
>       Thanks to Mikes board and Wayne’s magic work, my Mod 33 ASR is
>     successfully talking to a computer. I’m trying to do an outreach
>     with it and one ideal thing is to punch out kids names on the
>     papertape.  That being said, it isn’t clear that there is a
>     control to tell it not to print while punching or am I missing
>     something simple?
>
>     Any and all suggestions/insight are welcome.
>
>       * John Toebes
>
>
>
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