Somebody jump in if I'm way off, but....

If your Panasonic has an optical digital out, I believe you'll need a "Toslink" cable...it's design comes from the people at Toshiba (hence "TOSlink"). That's your fiber optic cable. What makes it unique are the ends, not really the cable itself. It's the hookup method I currently use from my Sony DVD player to my....oh, wait...it's not here yet...950 pre/pro. Well, I used it to connect the Sony and my H/K AVR before I sold it for my...oh,wait...it's not here yet...950 pre/pro.