Ok so ignore the last two posts I put up (since I apparently can't edit or delete them).
I can connect to the printer using a serial connection and control the printer manually from there.
On my Repetier Server, I can connect the server to the printer (Activate it), but I when I connect to the printer via the server in my Repetier-Host, I cannot connect to the actual printer and control it manually. It says the printer is Disconnected / Deactivated