Cant get Mac to talk to Xone 23C...help

Hello
I purchased the XOne.23C along with the Mixvibes Cross LE software download.
I went on line downloaded and installed the software and have plugged my Apple MAC in with the USB cable but cant find any response on the desk.
I have actually had the Xone for a while now but every time I try to get a feed out with the USB no go?
Luckily I play vinyl a lot so I have got around the need for this thus far...BUT its time to get this sorted!!
Please can you give me some advice??
Many thanks Ash
I purchased the XOne.23C along with the Mixvibes Cross LE software download.
I went on line downloaded and installed the software and have plugged my Apple MAC in with the USB cable but cant find any response on the desk.
I have actually had the Xone for a while now but every time I try to get a feed out with the USB no go?
Luckily I play vinyl a lot so I have got around the need for this thus far...BUT its time to get this sorted!!
Please can you give me some advice??
Many thanks Ash