No, he has to ask Renoise. In Renoise it is not possible to send midi clock to multiple midi outputs and that sucks.
http://www.renoise.com/board/index.php?sho…mp;hl=midiclock
btw: That’s a nice midibox, the UM3G, never saw it. I also have a midisport 4x4 without x64 drivers, maybe the um3g is a good substitute.