CC swiper / Cash machine

[Keith Pitcher]

Anyone ever used FreeBSD to talk to a CC swipe machine and / or a cash
machine? 

I've seen a number of devices that you can plug into PCs that talk
via serial, so it might be a no brainer. However if anyone has any real
world experience with a good product that would be helpful.

Basically I'm thinking of a kiosk that can accept money, be it a credit card
or money inserted into the cash machine. 

Thanks,

Keith