This is very simple, the original Apple TV connected to a compatible TV or HDMI, component video - which uses red, green and blue ports, instead of composite materials, which uses red, yellow and white port - and analog audio, DVI video and analog audio, or to the receiver using HDMI and optical digital audio. It is noteworthy that the original Apple TV does not come with the necessary cables, so you need to purchase a cable separately compatible with your particular TV.
Apple provides a great step by step exercises, including each connected to the Apple TV HDTV, EDTV different options, or choice - is not supported and officially - SDTV. Apple TV connects to a "host" Mac or PC sync content, you can use the wireless network - the 802.11b, 802.11g and 802.11n support - or 10/100Base-T Ethernet.
