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Connecting an
You can connect an external keyboard to your PG 720. The connector has the
External Keyboard
following pinout:
Figure 8-3
Table 8-5
PinNo.
1
2
3
4
5
6
PG 720 Programming Device
C79000-G7076-C720-02
View of the socket connector
Connector Pinout for an External Keyboard
Pinout Table of the Keyboard Connecting Cable
Designation
Data line, keyboard
Data line, trackball
0V
Current-limited 5V power supply
Clock line, keyboard
Clock line, trackball
Hardware Information
Input/Output
Input/output
Input/output
–
Output
Input/output
Input/output
8-7
8
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