My encounter has only one input for cable. This goes to a box behind the panel by the TV. If I wanted to use my satellite dish I had to remove the panel to make connections to the sat receiver. I put in a loop exactly like you have so I could make the connection without removing the panel.
David, Sherry and our three fur kids, Nicholas, Finnegan and Bentley
2013 Coachmen Encounter 36BH
2014 Honda CR-V/ Blue Ox Patriot II