I. Meaning and function of data line
As the name suggests, USB Magnetic Cable is used to connect mobile devices and computers, so as to achieve data transfer or communication purposes. In plain English, it's a tool that connects a computer to a mobile device to send video, ringtones, pictures and other files.
USB Magnetic Cable through the connection of mobile phone and computer, you can carry out some mobile phone functions, data and other files on the computer, but also can operate the mobile phone on the computer, such as deleting videos and ringtones, downloading games, pictures and so on.
2. Data line interface type
COM interface, also known as the serial port, is connected to the desktop computer behind, its advantages are low price, support swiping machine (some mobile phones can only use the serial line swiping machine); Disadvantages are not easy to plug and remove, the transmission speed is slow, do not support laptop computers.
USB interface, the current mainstream interface, its advantages are easy to plug and pull, fast transmission, stable, support all types of computers; The disadvantage is that the other part of the data line does not support the brush function.
Three, data line classification according to function:
Internet cable: Only used for GPRS or CDMA 1X Internet access. Brush line: Can only be used to upgrade the brush line.
Charging cable: Generally, it is a network cable or synchronous cable and a USB charging function, which can be subdivided into two kinds: charging and charging switch.
Synchronous line: Used to transmit telephone book, picture ringtone, SMS, multimedia data, two-way transmission and one-way transmission, more common.
Multi-function line: Support Internet access, synchronization, brush, charging and other 2 or more functions.
