TradeStation to 3rd Party FIX Engine...Possible?

Imported from previous forum

[ original email was from Sean Ristau - seanristau@gmail.com ]
I am interested in purchasing TradeStation 8.3 and would like to have the ability to connect to a 3rd party FIX engine. Can anyone confirm this is possible? Under normal circumstances you only would connect to the TradeStation Back End.