Eleven Rack + Logic Pro + Lion

[theoduvivier]

Hi,

I get some troubles with my 11R I just received.
I would like to use it with Logic Pro 9 & Mac OS X 10.7.4. What do I need?
How Logic must be configured?

The other thing is that my 11R works well when I get my Strat in "guitar" and my Headphone. But if I plug my 11R with the USB cable in my MacBook Pro and plug out, I've not any more sound. I try to reboot my 11R several times but nothing in my headphone. Sound come back after I reset memory.

I would really enjoy your help.

Thank you

(I'm a new user with DAWs, and sorry for my bad English).