[RTTY] FSK interface

[Jim McDonald]

I have a PROIII and before that a PROII.  I built and use the interface
on Don's web site, and it works fine.  I use it with a native USB port.
 
Jim N7US



-------- Original Message --------

> I was wondering what kind of FSK interface would be best for my ICOM
> 756PROII. I have seen the one that Don AA5AU describes on his page, or would
> it be better to use an optocoupler for this (like the one described by
> IK3QAR)?