Siemens SIMATIC PC 670 Equipment Manual page 42

Connecting and Switching on the Computing Unit
Serial mouse connection
You can connect a serial mouse to the serial port COM 2. To operate a serial
mouse, you have to install and assign parameters to the suitable mouse driver.
To do this, please refer to the description of your mouse or the description of
your operating system for the necessary information.
1. Turn your device off.
2. Plug your serial mouse onto the mouse connector labeled COM 2.
3. Screw the connector tight.
4. Restart your device.
How to connect a USB mouse is described in "Connecting USB devices" below.
PS/2 Keyboard connection
You can connect a PS/2 keyboard to the computing unit.
Port for PS/2 keyboard
Figure 3-5
Proceed as follows:
1. Disconnect the computing unit from the mains power supply.
2. Plug in the PS/2 keyboard connector.
3. Connect the computing unit to the mains power supply.
Note
We recommend you to use a keyboard with a straight keyboard connector so that
the connector does not conceal adjacent ports.
3-8
Connecting a PS/2 Keyboard
Panel PC 670 Computing Unit, Equipment Manual
Release 04/02