[GreenKeys] RS232 to TTY Loop Boards

[epvgk at limpoc.com]

On Sun, Feb 15, 2015 at 04:32:45PM -0600, Jim Haynes wrote:
> 
> Attached is someone else's paper on optocouplers - I think some of those
> should be current production.  If they're all obsolete, well then we
> need to find something new.


that's from my website http://heepy.net/mediawiki/index.php/Optocouplers_for_teletype_current_loop

the PS7141E is current production.


> ______________________________________________________________
> 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