The connections on the back panel are;
PORT/CONNECTOR
DESCRIPTION
1
FiOS TV In
Connects to a coaxial cable that delivers the FiOS signal from your service provider
2
YPbPr
Connects to the color-coded component video input on a high-definition TV (HDTV)
3
Audio
Connects to the analog audio left/right stereo inputs on a TV
4
Digital Audio (RCA)*
Connects to the Dolby® Digital 5.1 audio or PCM output on a digital audio device
5
M-Card Device Only
Cable card access panel.
The M-CARD is required to view television programs, previously recorded programs on the DVR, or interactive on-demand programs. The M-CARD should not be removed.
6
Video Out
Connects to the standard definition video output on an SDTV or VCR
7
Optical Audio*
Connects to the Dolby® Digital 5.1 audio or PCM output on a digital audio device
8
HDMI
Connects to a high-definition TV (HDTV)
9
USB 2.0*
Connects to a high-speed peripheral device
Hope this helps.