[Elecraft] How to communicate with the K3 using N1mm via USB?

[Jack Colson]

OK I give up, I have two USB to RS-232 interface cables: 1) the Elecraft 
and 2) a Radio shack.
Each cable works, I can see the comm ports listed whenchecked with 
device manager/ports when they are connected to the PC.
I use the Elecraft cable for firmware downloads to the K3 successfully.

Communicating with my Yaesu FT-100D using either cable and N1MM  works 
perfect.  Subsitute the K3 and nada.  There must be a simple solution to 
this situation!
What am I missing?  Help !

Using a WIN98 PC which has a standard RS-232 port and N1MM  and K3 work 
perfect.

Thank you,
73
Jack, W3TMZ