Dell OptiPlex GX280 - Manual (Page 112)

13 COM Black
14 PS ON Green
15 COM Black
16 COM Black
17 COM Black
18 N/C N/C
19 +5 VCD Red
20 +5 VCD Red
*Sense connector.
DC Power Connector P2
Pin Number Signal Name 18-AWG Wire
1
COM Black
2 COM Black
3 +12 VDC Yellow
4 +12 VDC Yellow
DC Power Connectors P3
Pin Number Signal Name 18-AWG Wire
1
+3.3 VDC Orange
2 COM Black
3 +5 VDC Red
4 COM Black
5 +12 VDC Yellow
DC Power Connector P4
Pin Number Signal Name 18-AWG Wire
1
N/C
2 COM Black
3 COM Black
4 +3.3 VDC Orange
5 +5 VDC Red
6 +12 VDC Yellow