Figure 3: Backplate

1 - Coaxial SPDIF Out port. This port connects an external audio output device through a coaxial SPDIF cable..
2 - Video Graphics Adapter port. This 15-pin port is for a VGA monitor or other VGA-compatible devices.
3 - LAN (RJ-45) port. This port allows connection to a Local Area Network (LAN) through a network hub, with speed up to 10/100/1000 Mbps.
4 - Center/Subwoofer port (yellow orange). This port connects
the center/subwoofer speakers.
5 - Rear Speaker Out port (black). This port connects to the rear speakers.
6 - Line In port (light blue). This port connects a tape, CD, DVD
player, or other audio sources.
7 - Line Out port (lime). This port connects to headphones or a speaker or it can function as Front Speakers Out.
8 - Microphone port (pink). This port connects a microphone.
9 - Side Speaker Out port (gray). This port connects to the side speakers.
10 - USB 2.0 ports 1, 2, 3, and 4. These four 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
11 - DVI port. DVI is a standard for connecting computers to digital
monitors and provides a pure digital video signal to a digital flat-panel display or projector.