What speeds does USB support?
A. Low Speed devices – such as keyboards, mice and serial interfaces such as RS232 operate at 1.5Mbps. USB version 1.0 and 1.1 compliant devices provide enough bandwidth for these applications. Full Speed devices – such as web cams and printers operate at 12Mbps. USB version 1.0 and 1.1 devices typically will provide enough bandwidth to meet the requirements for these applications. High Speed devices – such as external CD-ROMS, DVD drives, USB to Ethernet applications operate at 480Mbps. USB 2.0 is the preferred version for these types of applications. USB 2.0 also supports low-bandwidth applications such as: keyboards and mice, along with high-bandwidth devices including scanners, webcams, printers and storage devices.
