VESA Plug and Display (P&D) is a video connector for digital

monitors Monitor or monitor may refer to: Places * Monitor, Alberta * Monitor, Indiana, town in the United States * Monitor, Kentucky * Monitor, Oregon, unincorporated community in the United States * Monitor, Washington * Monitor, Logan County, West Vir ...

, such as

flat panel display A flat-panel display (FPD) is an electronic display used to display visual content such as text or images. It is present in consumer, medical, transportation, and industrial equipment. Flat-panel displays are thin, lightweight, provide better l ...

s and

video projector A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp), X ...

s, ratified by

VESA VESA (), formally known as Video Electronics Standards Association, is an American technical standards organization for computer display standards. The organization was incorporated in California in July 1989To retrieve the information, searc ...

. It was introduced around the same time as DFP, marketed as a replacement of VESA Enhanced Video Connector (EVC) and an extension of

DVI Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source, such as a video display controller, to a display device, such as a comp ...

. Unlike DVI, it never achieved widespread implementation. The P&D connector shares the pin layout of VESA EVC, but the pins assigned for carrying analogue audio and video in signals are reused to carry digital video signals.

Signals

A basic P&D line carries single-link

TMDS Transition-minimized differential signaling (TMDS), a technology for transmitting high-speed serial data, is used by the DVI and HDMI video interfaces, as well as by other digital communication interfaces. The transmitter incorporates an advan ...

digital video signal (max 160 MHz), and supports VESA

Display Data Channel The Display Data Channel, or DDC, is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the com ...

version 2. Analogue video signals, if supported, must be capable of carrying at least 150 MHz bandwidth.

USB Universal Serial Bus (USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers. A broad ...

version is not specified, but if supported, it would have been intended for contemporary USB standards. The USB connector is intended for passing mouse movements from a projector's wireless remote into the computer's presentation software.

FireWire IEEE 1394 is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer. It was developed in the late 1980s and early 1990s by Apple in cooperation with a number of companies, primarily Sony an ...

, if supported, must be compliant to IEEE 1394-1995 specification.

Connectors

Although the pin layout comes from VESA EVC, the connector shell is slightly different. P&D-A/D is compatible with EVC device (except for the missing VESA EVC features), P&D-D is not. In addition to the regular P&D connector, the standard also specifies a 40-pin

microribbon The micro ribbon or miniature ribbon connector is a common type of electrical connector for a variety of applications, such as in computer and telecommunications equipment having many contacts. The connector contains two parallel rows of ...

connector, which is only defined when making digital video connection. The P&D port is sometimes mistaken as an alternative form of the

Apple Display Connector The Apple Display Connector (ADC) is a proprietary modification of the DVI connector that combines analog and digital video signals, USB, and power all in one cable. It was used in later versions of the Apple Studio Display, including the final ...

, but ADC carries higher current, has different pin layout, and does not support FireWire.

Alternative names

*M1-DA, a name used by

InFocus InFocus Corporation is an American privately owned company based in the state of Oregon. Founded in 1986, the company develops, manufactures, and distributes DLP and LCD projectors and accessories as well as large-format touch displays, softwa ...

(often shortened to M1)

References

External links

VESA P&D standard

Plug and Display VESA Plug and Display (P&D) is a video connector for digital monitors, such as flat panel displays and video projectors, ratified by VESA. It was introduced around the same time as DFP, marketed as a replacement of VESA Enhanced Video Connector ...

VESA {{Compu-graphics-stub