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Dock connector

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1172441

Dock connector

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Dock connector

A dock connector is an electrical connector used to attach a mobile device simultaneously to multiple external resources. Dock connectors typically carry a variety of signals and power, through a single connector, to simplify the process of docking the device. A dock connector may be embedded in a mechanical fixture used to support or align the mobile device or may be at the end of a cable.

While dock connectors were originally associated with laptops, many other mobile devices now use them.

Classic docking connectors for laptop computers are usually embedded into a mechanical docking station and port replicator devices that supports and aligns the laptop and sports various single-function ports and a power source that are aggregated into the docking connector. Docking connectors carried interfaces such as keyboard, serial, parallel, and video ports from the laptop and supply power to it.

As of 2020, docking connection options usually can be defined as a USB-C port with optional additional functionality.

Many mobile devices feature a dock connector.

Dock connectors can be used to interface with accessories such as external speakers, including stereo systems and clock radios. Automotive accessories for mobile devices include charging cradles, FM transmitters for playing audio through the car's speakers, and GPS receivers. There are dock connector cables that offer additional capabilities such as direct integration with the car's audio system and controls.

Apple's proprietary 30-pin connector was common to most Apple mobile devices (iPhone (1st generation), 3G, 3GS, 4, 4S), 1st through 4th generation iPod Touch, iPad, iPad 2, and iPad (3rd generation)) from its introduction with the 3rd generation iPod classic in 2003 until the Lightning connector was released in late 2012. Originally, the Apple dock connector carried USB, FireWire, some controls and line-level audio outputs. As the iPod changed, so did the signals in the dock connector. Video was added to the connector. FireWire was phased out of the iPods, which led to a discontinuity in usage of the dock connector.

As a result of the popularity of Apple's iPod and iPhone devices using the connector, a cottage industry was created of third-party devices that could connect to the interface. With the discontinuation of the sixth-generation 160 GB iPod Classic and the iPhone 4S, the last Apple products to feature the original 30-pin connector, the connector was discontinued in September 2014 but the production of 30-pin connectors in India and developing markets still continued until February 2016.

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