What is u*** socket u*** socket characteristics

Sockets are a necessity for our household electricity. With the development of digital products, the socket industry has also derived u*** sockets to meet the needs of consumers. Then you know the characteristics of u*** sockets What is it? It doesn’t matter if you don’t know, let’s introduce it to you below.

What is a u*** socket

The u*** (Universal Serial Bus English: universal serial bus) plug is used to standardize the connection and communication between computers and external devices. A special plug, mostly used in digital electronic products. The thickness of the common u*** plug is about 4.5mm.

u *** The plug supports the plug-and-play and hot-swap functions of the device. It was originally a serial bus standard for connecting computer systems and external devices. The technical specifications of input and output interfaces are widely used in information and communication products such as personal computers and mobile devices, and have now been extended to photographic equipment, digital TVs (set-top boxes), game consoles and other related fields.

u *** What are the characteristics of the socket?

1. Easy to use

Using the u *** interface, you can connect multiple different devices, but in the past, the serial port and parallel port can only connect to one device. Therefore, it is difficult to transfer from one device to another. When using another device, you have to shut down the device. u*** saves users these troubles. In addition to being able to connect multiple devices together, u*** also supports hot swapping.

In terms of software, the driver and application software designed by u *** can be started automatically without requiring the user to do more operations.

2. Fast enough

Speed ??performance is one of the outstanding features of u*** technology. The maximum transmission rate of u *** interface can reach 12Mb per second, which is a full 100 times faster than the serial port and more than ten times faster than the parallel port.

3. Flexible connection

The u*** interface supports serial connections of multiple different devices. One u*** port can theoretically connect 127 u*** devices. .

4. Independent power supply

Ordinary devices using serial ports and parallel ports require a separate power supply system, but u*** equipment does not need it because the u*** interface provides Has a built-in power supply. The u*** power supply can provide 5 volt power to low-voltage equipment, so new equipment does not require a dedicated AC power supply, thereby reducing the cost of these equipment and improving the price/performance ratio.

5. Support multimedia

u *** provides two-way data support for phone calls. u *** Can support asynchronous and isochronous data transmission, allowing the phone to be integrated with a PC, allowing voice mail and other features to be used. u*** also has high-fidelity audio. Because u*** audio information is generated outside the computer, it reduces the chance of electronic noise interfering with the sound quality, allowing the audio system to have higher fidelity.

How to choose u *** sockets

1. Pay attention to the u *** interface current of each socket

The charging current and voltage requirements of smart devices They all vary, some require 0.5A, some require 1A, and some require 2A. When purchasing u*** sockets, pay special attention to purchasing products that meet the requirements of your commonly used smart devices. For example, the charging power requirement of Nexus7 (2012 version) is 2A. If it is plugged into a 0.5A output interface, it will not be fully charged for a long time. For another example, the iPad's charging requirement is a minimum of 1.1A. If this requirement is not met, charging will not be possible at all.

2. Pay attention to the total power limit of the socket

The output power of each u*** socket has a limit. For example, some products have an output upper limit of 5.1A. At this time, please note that multiple high-power products may not be charged at the same time. For example, two iPads with 2.1A input and two smartphones with 1A input may not be charged at the same time.

3. Pay attention to the shape of u *** sockets

u *** The shapes of sockets vary widely. When choosing, you should not only choose according to the shape you like, but also the Its portability is taken into consideration. At the same time, the size of the space where it is usually used should also be considered.

4. The length of the power cord

Many people may not think that the length of the power cord of the socket is an extremely important option. A long power cord may mean you can lie further away from the wall outlet while using your smart device while it's charging. In addition, other humanized designs of the socket are also factors worthy of attention.