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General frequently asked questions about USB products

  Do USB 1.1 cables work with USB 2.0 devices?
Ideally, yes. USB 2.0 architecture uses the same cables and connectors as USB 1.1 compliant products.
  Do USB 2.0 & USB 1.1 hardware work interchangeably?
You may have heard that USB 2.0 is "backward-compatible" with USB 1.0/1.1 (Full-Speed USB). While that's...
  How will I benefit from USB 2.0?
With speed 40 times more than that of USB 1.1, USB 2.0 broaden the range of external peripherals that can be used on...
  I would like more information about USB technology?
If you need a more technical explanation on the technology or its development, please visit http://www.usb.org
  What do I need to use a USB 2.0 device?
The requirement is similar to that of USB 1.1, but all components will have to be USB 2.0 compliant. A successful USB...
  What happen if a USB 2.0 device is plugged into a USB 1.1 system?
The entire bus under the USB 1.1 root hub will slow to 12Mbps. The operating system will probably notify the user...
  What is the difference between USB 1.0, USB 1.1 and USB 2.0?
USB 1.0 can operate at 1.5 Megabits per second (Mbps).USB 1.1 allowed a maximum transfer rate of 12Mbits/second. USB...
  What is the max. length of a USB 2.0 cable?
5 meters. However, if you cascade 5 hubs with 5m USB cables, this will allow you to connect a device 30m away.
  What is USB?
Universal Serial Bus, or USBThis competing serial input/output technology was introduced in 1997. USB ports are found...
  Will USB 1.1 devices run any faster on a USB 2.0 bus?
No. However, the new USB 2.0 archiclecture allows more high-speed USB 1.1 devices, such as webcams, audio devices, to...
  Will USB 2.0 replace USB 1.1?
Not entirely, because many products such as generic keyboards, mice, joysticks and audio speakers do not require the...

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