The mini uses the included adapter that plugs into what looks like a headphone Jack on the back of the box. That should have a red, white and yellow connector on one end, and a 4 conductor Jack on the other. Make sure you get the plug all the way into the Jack on the back of the mini. Then yellow goes to the yellow INPUT on the back of the 350, red to the red and white to the white INPUT on the 350 . You have to choose SD, composite, or AV input in the slingbox input menu to see a picture, not HD, component or RGB. Also the remote is the same as the 1100 series boxes so look for that remote coode.