[GreenKeys] Current Loop or RS232?

Pete Lancashire pete at petelancashire.com
Fri Sep 15 18:18:29 EDT 2017


Do you have the Flip Chip number ? or

Do you have the schematic of the I/O board or at least the part of it that
goes to the TTY ?

If not take a photo of that part of the board and post it.

-pete



On Fri, Sep 15, 2017 at 2:43 PM, Paul Heller <paul0926 at comcast.net> wrote:

> After looking a long time I finally got hold of a PDP8. I got it from
> another ham. The guy I got it from said he used to have a teletype hooked
> up to it.
>
> Is there a way I can determine if it is a current loop or an RS232
> interface?  I assume if I guess wrong I could damage the teletype or the
> terminal board in the computer. Is this a valid worry?
>
>
> Thanks for any help. I'm a newbie to DEC computers. Maybe I can finally
> put that tape relay in my teletype to good use.
>
> Paul
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
>
> 2002-to-present greenkeys archive: http://mailman.qth.net/
> pipermail/greenkeys/
> 1998-to-2001 greenkeys archive: http://mailman.qth.net/
> archive/greenkeys/greenkeys.html
> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20170915/e9cd2359/attachment.html>


More information about the GreenKeys mailing list