I have a 1 11/2 in diameter copper drain pipe and need to connect it to a PVC pipe. What's the best way to do this?

Thanks

What's on the end of the copper pipe at the present time? Tom

I have a 1 11/2 in diameter copper drain pipe and need to connect it to a a PVC pipe. Whats the best way to do this?

Thanks
A ck115 shielded coupling. (http://www.fernco.com/proflex.asp)