Alesis iO2 not visible in Pro Tools

I recently purchased a Alesis io2 and the description noted it is compatible with virtually all Daw. My problem is I can't seem to find it it protools which is my daw of choice. I installed the asio4all as indicated however it doesn't seem to work with protools... I really need some help with this.. I didn't expect it to be incompatible with on of the most popular daws.. Please help
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