I have a ReplayTV too...
1- ReplayTV has an IR blaster
2 - The Comcast cable box / digital transporter has an IR receiver
3 - Aim #1 at #2. In my case, I put them both in an old toilet paper tube.
4 - ReplayTV scheduling and recording mirth
5 - ???
6 - Profit
I have a ReplayTV too... 1- ReplayTV has an IR blaster 2 - The Comcast cable box / digital transporter has an IR receiver 3 - Aim #1 at #2. In my case, I put them both in an old toilet paper tube. 4 - ReplayTV scheduling and recording mirth 5 - ??? 6 - Profit