Also Im assuming he meant optical OUTPUT on the genie, no receivers have audio inputs currently. But depending on which genie he has (Im assuming the 34, since the 44 has an optical output) the only available audio outs are going to be digital coax, and hdmi (aside the R/W ports for 2ch) so your audio receiver has to support one of the two inputs, if it does not you will need to purchase a digital coax to optical adapter/converter. Then hook it up the way you had it previously.
But like raoul said we need more information about your setup to be more helpful.