2-23
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
You can connect an external keyboard to your IPC. The connector has the
following pinout:
View of socket connector
1
2
3
4
5
6
Figure 2-10
Connecting cable for external keyboard
Pin
Description
1
Keyboard data line
2
Open (mouse data line)
3
0 V
4
+5 V
5
Keyboard clock
6
Keyboard ON/OFF (mouse clock)
Connecting an
External Keyboard
Pinout
Motherboard