Siemens SIMATIC Box PC 620 Manual page 151

PS/2 Mouse Port
You can connect an external PS/2 mouse to your SIMATIC Box PC 620.
The connector has the following pinout:
Figure 8-4 Connector Pinout for a PS/2 Mouse
Pin No.
1
2
3
4
5
6
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04
6
4
2
View of socket connector
Designation
Data line
Unassigned
0 V
Current limited 5V power supply
Clock line
Unassigned
5
3
1
Input /Output
Input/Output
-
-
Output
Input/Output
-
Hardware Information
8-19