Controlling muliple external hardware with Axiom 49

Hi Guys

Trying to work out how to control my 2 dave smith modules and my yammah an200 via my axiom 49
but failing miserbaluy
Currently all the midi hardware gets routed via a Unitor8 midi patch bay and into my Mbox then into the MacPro (10.06.8)
ANy advise/direction/help much appreciated

Thanks in advance
jozif