Siemens PC 670 - Manual (Page 43)

Connecting and Switching on the Computing Unit Release 04/02
3-9 Panel PC 670 Computing Unit, Equipment Manual
USB device connection
Individual or several USB devices can be connected to the USB interfaces.
S Plug in the USB device connector into one of the USB interfaces.
The device is detected by the Plug and Play operating system. Any necessary
drivers are requested by the operating system.
If more than two USB devices are to be connected, use a HUB. Both interfaces
can be used as High Current interfaces.
USB interfaces
Figure 3-6 USB connection ports
Notice
Operating systems which do not support “plug and play” (e.g. Windows NT 4.0) do
not generally permit operation of USB devices.
Devices which do not have a USB plug (e.g. printer) can be connected to the USB
interface via an adapter.