In addition to the fixed input interface, Panasonic plasmas have two or three (depending on model) interchangeable slots that let you add different combinations of optional terminal boards. This gives you the flexibility to add digital or analog capabilities, as necessary, to customize your system for specific needs.RCA Component Video Terminal Board TY-42TM6Z lets you connect devices that output component video signals, such as DVD players or set-top boxes, or devices that output RGB signals. Accepts only RGB signals with "SYNC ON G".".