The Digital Media Port is an interface for analog audio and video signal and digital control that Sony

Sony

, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan and the world's fifth largest media conglomerate measured by revenues....

 has started to propose on its A/V products in 2007. As of January 2009, Sony seems to be the only manufacturer proposing this interface. They offer different accessories to connect DMP ready equipments like their Bravia TV or Home Theater receivers to Walkman

Walkman

Walkman is a Sony brand tradename originally used for portable audio cassette, and now used to market Sony's portable audio and video players as well as a line of Sony Ericsson mobile phones...

, iPod

IPod

iPod is a line of portable media players created and marketed by Apple Inc. The product line-up currently consists of the hard drive-based iPod Classic, the touchscreen iPod Touch, the compact iPod Nano, and the ultra-compact iPod Shuffle...

, PC

Personal computer

A personal computer is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator...

 or any Bluetooth

Bluetooth

Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

devices.

The connector of this port is Hirose ST60-18P(50).

Pinout

The following pinout is an excerpt from STR-DA3400ES service manual.

Signal Name	Pin Number
PGND	1
VBUS(5V)	2
NC	3
VIDEO5V	4
RXD	5
TXD	6
DET	7
DGND	8
WM DET	9
WM A/D	10
L-	11
R-	12
L+	13
R+	14
WM RX	15
WM TX	16
VIDEO	17
VGND	18