I’m not familiar with your card, but I looked it up after reading your post.

The site shows 2 sets of cables. It sounds like you may only have the 2’ MIDI cable. If so, you may need to get the 6’ audio cable to use it.

http://www.lynxstudio.com/product_detail.asp?i=7

Here’s the manual if you don’t already have it.

http://www.lynxstudio.com/nav/getFile.asp?i=8&t=productfile

Good luck.