A Guide to USB Connectors
The USB has come a long way since it was developed in 1995 and was originally designed to simplify how consumers controlled peripherals and transferred data. Before its creation, the main interfaces used were parallel and serial connectors, both using different protocols to transfer data and control peripherals. These type of connectors were often clumsy and required lining up many pins to match the holes in the female connectors. Also, they had slower transfer rates compared to the USB connector.
USB is an abbreviation that stands for Universal Serial Bus. USB connectors are used to link up different types of USB cables with a standard compatible USB port. The primary work of the USB cables if for data transfer. The data transfer speeds may vary from 12Mbps in version 1.1 and up to 480 Mbps in version 2.0. USB ports can also be used to connect several PC accessories by substituting their particular cables with the USB connectors.
The Working Mechanism of the USB
USB devices use low to medium bandwidths, and they can be plugged in and remove even with the system running. Whenever the system enters the power saving mode, the USB device is automatically put into the sleeping mode. When the system powers up, it enquires all the devices and assigns an address for the devices connected. Then, the computer will find out from each of the devices the type of data transfer it has to perform. When removing the USB device, it is not necessary to switch off or reboot the system.
The universal service bus offers you a simple standard way of connecting up to 127 devices to a PC. Most devices will have the USB connector at their back, but there are some computers which have it on their front. Soon after plugging in, the operating system will automatically search and discover the new device. If you are in possession of the driver disk, be sure to enter it when the system asks for it. If the device had been previously connected, the system would start the communication process soon after plugging it in. The USB devices come with their in-built cables and have an “A” connection on it. If there is no in-built cable, the device will accept the USB “B” connector. The “A” connector leads upstream while the type “B” connector head downstream and link to devices. The standard USB uses the “A” and “B” connectors to avoid any controversy.
As mentioned earlier, the USB has taken over a wide arrange of previously used interfaces like the serial and parallel ports as well as the individual power chargers for portable devices. Of late, USB connectors are being used with devices such as network adapters, video consoles, portable media players as well as smartphones.