Siemens I-SURF, User Manual, Page: 21 / 70

5. USB Installation
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5. USB Installation
5.1 Installation Requirements
Your PC must meet the following requirements if you want to install the ISDN
Adapter:
IBM AT or -compatible
Pentium II with 200 MHz or better
Windows 98 min. Pentium 166 MHz,
Windows 2000 min. Pentium II 200 MHz.
RAM Memory: Windows 98 min. 32MB, Windows 2000 min. 64 MB
ca. 4 MB of hard disk space (for the drivers alone)
An unoccupied USB socket on your PC or on another device connected
up to the PC (e.g. to the keyboard or the monitor)
CD ROM drive and harddisk
If you are using a different operating system or your PC does not meet one of the
above requirements, please contact your dealer.
5.2 USB Hardware Interface
The USB (Universal Serial Bus) interface is a modern computer interface allowing
you to connect up to 127 different peripheral devices (such as printers, cameras,
speakers) to your computer.
The devices can be connected or disconnected while the system is up and running
(hot-pluggable devices). Low-power USB devices do not need their own power
supply.
Your ISDN Adapter is a low-power USB device requiring its own USB Port. If all the
USB ports of your computer are already in use, you need to use a USB hub to
increase the number of available USB ports.