usb hub what does it mean

USB Hub refers to a device that can expand one USB interface to multiple interfaces and enable these interfaces to be used at the same time. USB HUB can be divided into USB2.0 HUB, USB3.0 HUB and USB3.1 HUB according to the USB protocol it belongs to.

Construction

First of all, this word is divided into two parts: USB and hub

First, USB is the English Universal The abbreviation of SerialBus, Chinese is "Universal Serial Bus", also known as Universal Serial Interface.

Second, Hub is what everyone often calls a hub. It uses a star topology to connect multiple USB interface devices.

USB Hub, can be connected to computer desk lamp, computer fan, MP3, U disk, voice recorder, digital camera, etc.

* One USB interface can be expanded into multiple independently working USB interfaces .

* Uses the second generation USB HUB controller

* Directly connected to the computer, no external power supply required, simple and easy to use

* The computer automatically recognizes and installs, no driver is required. Plug and play, easy to plug and unplug

* Support USB2.0, speed up to 480Mbps, backward compatible with USB1.1

* Built-in current overload short circuit protection device

* System support: Win95/98/Me/2000/XP, Linux2.4andMac os8.5 or above version

Classification

USB2.0 HUB supports USB2.0, The theoretical bandwidth reaches 480Mbps;

USB3.0 HUB supports USB3.0, is downward compatible with USB2.0/1.1, and the theoretical bandwidth reaches 5Gbps;

USB3.1 HUB supports USB3.1, and is backward compatible with USB2.0/1.1. Compatible with USB3.0/2.0/1.1, the theoretical bandwidth reaches 10Gbps [2] .

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