I/O Expansion Options:
The following expansion connector inputs/outputs are provided: 

 Expansion Connector 1   Expansion Connector 2
1: +14V Out
 1: +14V Out
2: AUX 15
 2: Not Connected
3: AUX 16
 3: AN Volt 12
4: DI 11
 4: AN Volt 11*
5: DI 10
 5: AN Volt 6*
6: DI 9 
 6: AN Temp 4*
7: +5V Out
 7: +5V Out  
8: GND
 8: GND

*These inputs each have a jumper to either connect them to the Expansion plug or to their normal functions on the main header.