Some of the USB adapters work, some don't.
Otherwise there are network servers like the Moxa serial ports.
Check out the Moxa site:
USB to Serial
http://www.moxa.com/Zones/Serial_Com...rial/index.htm
Ethernet to Serial
http://www.moxa.com/Zones/Serial_To_Ethernet/index.htm
Jim


Ted wrote:
I recently lost my laptop and the replacement has no serial port. I
purchased a USB - serial converter cable but Cambridge Aero Explorer
can't seem to connect to the GPS 20. Anybody have a work around for
this problem? Just want to download waypoints and upload flights.

Ted