Sony VGC-RC300 - Manual (Page 49)

49 n N
Using Your VAIO Computer
Connecting to standard cable access (CATV)
To connect in CATV mode (Option 1)
1 Connect one end of a TV coaxial cable (1) (not supplied) to your cable service access (wall outlet) (2).
2 Connect the other end to the VHF/UHF port (3) on the computer.