Chapter 2 Connecting peripherals 21
Power connectors (CN9, CN10)
If you prefer not to acquire power through PCA-6144V's back-
plane via the gold H-connectors, CN9 and CN10 also provide
power input connectors for +5 V, +12 V, -5 V, and -12 V.
Warning! Before making the connection, make sure the
voltage is absolutely correct and matched with
the right connector.
1
+ 12 V
2
GND
3
GND
4
+5 V
1
+ 12 V
2
GND
3
GND
4
+5 V
1
GND
2
+5 V
3
GND
4
+ 12 V
CN9
CN10
External speaker connector (CN13)
The CPU card has its own buzzer. However, you can also connect
to the external speaker on your computer chassis. Connect leads to
connector CN13 as shown below:
External speaker connector (CN13)
Pin
Function
1
Speaker out
2
NC
3
GND
4
+5 VDC
