Ncomputing VIRTUAL DESKTOP KIT U170 Manual do Utilizador descarregar pdf (Página 10)

USB Virtual Desktop (Model U170) User Manual

Page 10

Connection Options

The U170 may be attached to a host PC through any USB 2.0-compliant connection method.

This includes the use of USB 2.0 hubs, USB 2.0 extension cables and USB 2.0 active

extenders. Each segment of a USB connection, from device to host PC, device to hub, or hub to

hub, must be no longer than 5 meters. The USB 2.0 specification states that a total of four hubs

may be used downstream of the host PC before the U170 device itself. Because the U170 is

dependent on USB bus power, you should always use a powered hub directly upstream of a

U170 when a U170 is not directly attached to a host PC. See the illustrations below for

reference.

Note: The U170 device is powered by the USB bus and a single USB port can

provide power for only one U170 device with a mouse and keyboard. Adding

additional USB devices immediately downstream of the U170 that draw too

much power is likely to cause errors. Using a powered USB hub downstream

from a U170 for high power peripherals is recommended.

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Ncomputing VIRTUAL DESKTOP KIT U170 Manual do Utilizador Página 10