There are many options for connection makers.I'd advise simply confirming with your manufacturers that the interconnected products will fully and safely transmit all digital data effectively and totally through whichever one you select. ( I recommend M-Audio products as they serve my purposes well)

https://www.google.com/search?ei=9yObWsT8HYvojwOSs5DwAg&q=usb+to+midi+convertor&oq=usb+to+midi+convertor&gs_l=psy-ab.12..0i10k1l5j0i10i30k1.10405.10405.0.14381.1.1.0.0.0.0.113.113.0j1.1.0....0...1c.1.64.psy-ab..0.1.112....0.qss5gPKQzDk