Siemens Simatic PC Panel PC 870 Start-Up Instructions page 25

Release 11/02
13 LPT1
The parallel interface serves to connect devices with a parallel interface,
e.g. a printer.
14 Keyboard
Connection for a PS/2 keyboard.
Operating unit
On the rear side of the operating unit (refer to Figure 2–3) are two flatband
cables for connection to the computer unit:
Display
Cable K2
IO/USB
Cable K1
Figure 2–3
The I/O USB cable K1 on X1 for all signals which is responsible for the
connection of operating units in addition to the display interface. This cable
is depicted in Figure 2–3 folded together and is approx. 20 mm longer than
illustrated.
The display cable K2
General information
When the equipment is started up for the first time, it is necessary to connect a
PS/2 keyboard and a PS/2 mouse. Connect the keyboard and mouse before
switching on the Panel PC 670/870.
Further information on the operating unit is provided in Chapters 2.2 and 2.3.
SIMATIC Panel PC 670/870 Start-Up Instructions
Connecting and Switching On the Panel PC 670/870
Operating unit interfaces
Step 10
2–3