Connecting and Operating the Computing Unit
3.2.2
Printer connection via serial port
Alternatively, you can connect your printer via a serial COM interface to the PC
870. You will find information on how to adapt and set your port and on the
connecting cable you should use in the user manual for your printer.
3.2.3
Connecting USB devices
Devices equipped with a USB interface can be connected to the USB interface
(see Fig 3-2) without interrupting the power supply.
S Plug in the USB cable.
The device is detected automatically by a "plug and play" operating system such
as Windows 98 and is then available.
A USB keyboard can be operated to run BIOS setup.
Note
Operating systems which do not support "plug and play" (Windows NT 4.0, for
example) generally do not allow operation of USB devices.
3-6
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
Release 11/02