any known working USB/serial converters?

[Steve Underwood]

Robert P. J. Day wrote:
>   a while back, i was whining about the lack of functionality of a
> particular USB/serial converter:
>
> http://osdir.com/ml/fedora-test-list/2009-05/msg00398.html
>
>   does anyone have such a converter that just plain works out of the
> box?  i'm more than happy to buy and try another brand if it's the
> prolific product that's causing the trouble.
>   
The log shown there lists a Prolific pl2303 USB serial converter chip. 
I've been using various converters based on those with Linux for several 
years, and never had a problem. I use them at speeds up to 460800bps.

Steve