Yep. Well, I bought a optical/coax converter (CO2 by M Audio) and was able to get the PS Audio Superlink working. Emailed the eBay seller reporting that everything (including the toslink cable that I was using) works except that optical connector on the back. Asked him what he would like to do. Usually eBayers are sensitive about negative feedback, so I await his response.
Thanks for the help.
Thanks for the help.