I just moved across state lines and now have Times Warner (digital HD). The Pioneer Voyager(?) cable boxes I was issued have a round serial port and a plug-in IR location. Can I adapt the horizontal serial cable to a round (and how do I do it) or can I go to radio shack and get a pin jack connector to connect the two?? (the pin on the light emmiting controller has only 2 contacts, the one on the serial connector has three. Which should I use?) I'll try anything not to have to hook up lights.