83
PS/2 Keyboard Connector
This connector provides an external keyboard interface. This port uses a polyswitch to
protect VCC from directly shorting to GND.
Pin
Signal
1
KB_DATA
2
NC
3
GND
4
5VFUSE
5
KB_CLK
6
NC
Warning
To maintain a safe condition, do
not
use an external keyboard or mouse
port when the unit is operating in a hazardous environment.
Mouse Port Connector
This connector provides an external mouse interface. This port uses a polyswitch to pro-
tect VCC from directly shorting to GND.
Pin
Signal
1
AUX_DATA
2
NC
3
GND
4
5VFUSE
5
AUX_CLK
6
NC
Warning
To maintain a safe condition, do
not
use an external keyboard or mouse
port when the unit is operating in a hazardous environment.