What is the meaning of the four colors of the USB line in the computer?
Editor to share with you what the meaning of the four colors of the USB line in the computer is. I hope you will get something after reading this article. Let's discuss it together.
USB data cable is used for the connection and communication between computer and external equipment. Among them, red, white, green and black are standard wiring colors, corresponding to power supply, data, data and power supply, respectively. The general arrangement is red, white, green and black, from left to right.
The operating environment of this tutorial: windows7 system, Dell G3 computer.
Red-USB power supply, white-USB cable (negative), green-USB cable (positive), black-ground cable.
USB data cable is used for the connection and communication between computer and external equipment. In popular terms, it is used to transmit data and recharge. Red, white, green and black are standard wiring colors, corresponding to 1, 2, 3 and 4 pins, respectively. The four wires are 1-Power 2-data 3-data 4-Power. The general arrangement is: red, white, green and black from left to right.
USB is a commonly used PC interface, only 4 wires, two power supplies and two signals, it should be noted that do not reverse the positive and negative poles, otherwise it will burn the USB equipment or the computer's Nanqiao chip!
Expansion materials:
USB, the abbreviation of UniversalSerialBus (Universal Serial bus), is an external bus standard, which is used to regulate the connection and communication between computers and external devices. It is an interface technology applied in the field of PC. The USB interface supports plug and play and hot plug functions of the device. USB was jointly proposed by Intel, Compaq, IBM, Microsoft and other companies at the end of 1994.
USB supports four basic data transmission modes: control transmission, isochronous transmission, interrupt transmission and block transmission. When each transmission mode is applied to a terminal with the same name, it has different properties.
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