Data line internal introduction

Golden Micro USB Data Cable is used to connect mobile devices and computers for data transfer or communication purposes. In plain English, it is a tool that connects a computer to a mobile device and is used to transfer files such as videos, ringtones and pictures. Now, with the rapid development of the electronic industry, the data line has become an indispensable part of our life.
Golden Micro USB Data Cable port type
1. COM ports, also known as serial ports, are the ones that plug into the back of desktop computers and are being phased out. Advantages are low price, support brush machine (some mobile phone can only use serial line brush machine); Disadvantages are extremely inconvenient disassembly, do not support the laptop, transmission speed is relatively slow. 2, USB interface is the current mainstream, the advantage is convenient, fast and stable, support all types of computer; The disadvantage is with IC(central control chip) the price is slightly higher, the other part of the data line does not support the brush function.
The connector of the Golden Micro USB Data Cable has four cores
Red line: positive terminal of the power supply (marked with :+5V or VCC) White line: negative voltage Data cable (marked with :Data- or USB Port-)
Green cable: positive voltage Data cable (identified as :Data+ or USB Port+)
Black cable: There are two wires at the interface of the charging cable (marked GROUND or GND)
Red: positive terminal of the power supply (marked with :+5V or VCC) Black :GROUND (marked with: ground or GND)
Their functions are: mobile phone charging cable can only charge but not data transmission; Cell phone data cable can charge and transfer data.