ZyXEL Communications Prestige 630-C series Guide de l'utilisateur télécharger pdf (Page 13)

Prestige 630 ADSL USB Modem

About USB xiii

About USB

USB

USB (Universal Serial Bus) is a data communications standard that allows your to computer recognize (auto-

detect) new devices. No technical expertise is required to install your device. You simply plug your USB

cable in and follow a limited set of easy-to-understand, automatically generated instructions. Set-up and

operation has never been easier.

Advantages of USB

1. There is no need for numerous different types of ports and connectors on your computer. Modems,

printers, joysticks, keyboards, mice, audio devices, CD-ROMs, digital cameras and other devices can all

be connected through USB.

2. With USB, installing adapter cards, changing dip switches and configuring IRQs (Interrupt Requests)

does not require opening your computer.

3. USB has data transfer rates of up to 12 Mbps.

4. Multiple devices can be daisy-chained to a single port without restarting your computer.

5. USB can power some devices - eliminating the need for batteries or power adapters.

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ZyXEL Communications Prestige 630-C series Guide de l'utilisateur Page 13