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Hardware Information
Connecting an
You can connect an external keyboard to your PG 720. The connector
External Keyboard
has the following pinout:
Figure 8-3 Connector Pinout for an External Keyboard
Pin No.
1
2
3
4
5
6
8-8
View of the socket connector
Designation
Data line, keyboard
Data line, trackball
0V
Current-limited 5V power supply
Clock line, keyboard
Clock line, trackball
Input/Output
Input/output
Input/output
–
Output
Input/output
Input/output
PG 720 PII Programming Device
C79000-G7076-C756-02
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