Chapter 2 Installation 19
Power connector (CN4)
In SBC (non-passive backplane) applications you will need to
connect power directly to the SBC-411/411E board using CN4. CN4
is fully compatible with the standard PC power supply connector.
See the following table for its pin assignments:
Power connector (CN4)
Pin
Function
1
N.C.
2
+5 V
DC
3
+12 V
DC
4
-12 V
DC
5
GND
6
GND
* CN9 is the connector for a 5V, 4A DC jack (optional).
RS-232 connectors (CN5, CN6)
The SBC-411/411E offers two RS-232 serial ports. Using the BIOS
Peripheral Setup program, you can select the address for each port
or disable it. See the following table for the pin assignment.
RS-232 connector pin assignment (CN5, CN6)
Pin
Signal
1
DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
NC
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