
Appendix B
•
49
External Keyboard Connector – CN18
Pin
Signal
Function
Comments
1
VCC (+5V)
Power
2
GND
Ground
3
NC
NC
4
KBD Data
Data Signal
5
KBD Clock
Clock Signal
Keyboard
Interface
Table 27: Pinout of the External Keybard Connector
CASE Open Connector – JP2
The signal is connected to the limit switch sensor of the chassis to detect
the case open or closed.
Pin
Signal
Function
1
CASEOPEN
Case Open Signal
2
GND
Ground
Table 28: Pinout of the Fan Connector
Содержание NuPRO-840 DV
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