Rocstor Rocpro 850 - USB (Universal Serial Bus)

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39ROCSTOR‐ROCPRO850usermanual
UniversalSerialBus(USB)isaserialbusstandardtointerfacedevices.USBwas
designedtoallowperipheralstobeconnectedusingasinglestandardized
interfacesocketandtoimprovePlug‐and‐playcapabilitiesbyallowingdevicesto
beconnectedanddisconnectedwithoutrebootingthecomputer(hot‐swapping).
Otherconvenientfeaturesincludeprovidingpowertolow‐consumptiondevices
withouttheneedforanexternalpowersupplyandallowingmanydevicestobe
usedwithoutrequiringmanufacturerspecific,individualdevicedriverstobeinstalled.
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USBcanconnectcomputerperipheralssuchasexternalharddrivesstorage
devices,keyboards,PDAs,scanners,digitalcameras,printers,personalmedia
playersandflashdrives.FormanyofthosedevicesUSBhasbecomethe
standardconnectionmethod.
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USBsupportsthreedatatransferrates:
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• USB2.0:AHi‐Speedrateof480Mbits/s(60MB/s).AllRocstordevicesareintegratedwith
USB2.0,Hi‐Speed.
• USB1.1:AFullSpeedrateof12Mbits/s(1.5MB/s).AllUSBHubssupportFullSpeed.
• USB1.0:ALowSpeedrateof1.5Mbits/s(187KB/s)
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