Technical data

Hardware Information
8-20
SIMATIC Box PC 620 Manual
C79000-G7076-C639-02
PS/2 Keyboard with Trackball Port
You can connect an external keyboard to your SIMATIC Box PC 620.
The connector has the following pinout:
View onto the socket
12
3
4
5
6
Figure 8-5 Connector Pinout for an External Keyboard Connecting Cable
Pin-No.
Designation Input/Output
1 Data line, keyboard Input/output
2 Data line Input/output
3 0V -
4 Current limited 5V power supply Output
5 Clock line, keyboard Input/output
6 Clock line, trackball Input/output