aux wiring definition

AUX interface (Auxiliary) refers to the audio input interface, which can output audio from electronic audio devices including mp3 (general headphone jack), and can be transmitted through the car stereo Output music from these devices.

Audio field

Usage

Aux, which is the abbreviation of "Auxiliary", is an additional signal circuit design. In general audio equipment, in addition to the formal output and input terminals, there are often several input and output terminals marked "Aux" as reserve connections. You can use this terminal when you have special applications, such as additional sound output or input. This kind of reserve terminal or line, regardless of input and output, is collectively called Aux.

How to use

The AUX interface looks mysterious, but to put it bluntly, it is actually the input interface of the car audio, called the auxiliary interface. For students who don’t understand input and output, just think of it as your home audio jack. After knowing the location and function of the AUX interface, we have to spend a few dollars to buy cables. The quality varies. The best so-called Akihabara audio cable is 15 yuan at most, and the average one is 3 or 5 yuan, which is not much different. .

Single-to-single 3.5MM audio cable is the same as the one on your computer headset, with single ends at both ends. Connect one end to the AUX interface and the other to your mobile phone! If your mobile phone cannot be plugged in at the other end. oh! Then buy another conversion plug, which is called a 2.5 to 3.5MM conversion plug in jargon. It costs up to 5 yuan.

In addition, there are also single-strand cables on the market, with one end 3.5MM and one end 2.5MM, so there is no need to transfer.

Network communication field

These interfaces are usually available on routers and layer 3 or above hardware of major network manufacturers. (Auxiliary port)

The AUX port is an asynchronous port, mainly used for remote configuration, but also for dial-up connections, and can also be connected to MODEM through a transceiver. Support hardware flow control (Hardware Flow Control). The AUX port and the Console port are usually placed together because they are applicable to different configuration environments.

The AUX interface establishes a command line connection between the user and the device; performs some operations for the device that cannot usually be completed in user mode, such as initialization, restoration of initial configuration, correction of abnormal user mode, etc. A fixed port provided for the device, which can be used as an ordinary asynchronous serial port with a maximum rate of 115200bit/s. Using the AUX interface, remote configuration of hardware products, line backup and other functions can be realized.

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