SSI
ERP2U Power Supply Design Guide, V2.31
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6 DC Output Specification
These are the output requirements for the power supply assembly including cage and module.
6.1 Output Connectors
The power supply distribution board shall have one of the two following output connector and wire harness
configurations, depending upon the type of 12V rail configuration needed by the system.
6.1.1 Required Baseboard power connector
STATUS
Required
Connector housing: 24-Pin Molex 39-01-2240 or equivalent
Contact: Molex 44476-1111 or equivalent
Table 7: P1 Baseboard Power Connector
Pin Signal 18 AWG Color Pin Signal 18 AWG Color
1 +3.3 VDC Orange 13 +3.3 VDC Orange
2 +3.3 VDC Orange 14 -12 VDC Blue
3 COM Black 15 COM Black
4 +5 VDC Red 16 PS_ON Green
5 COM Black 17 COM Black
6 +5 VDC Red 18 COM Black
7 COM Black 19 COM Black
8 PWR OK Gray 20 Reserved (-5 V in
ATX) N.C.
9 5 VSB Purple 21 +5 VDC Red
10 +12 V3 Yellow 22 +5 VDC Red
11 +12 V3 Yellow 23 +5 VDC Red
12 +3.3 VDC Orange 24 COM Black
If 240VA limiting is not a requirement for the power supply than all +12V outputs are common and may have the same wire
color (yellow).
Table 8: Processor Power Connector
Pin Signal 18 AWG color Pin Signal 18 AWG Color
1 COM Black 5 +12 V1 Yellow/Black Stripe
2 COM Black 6 +12 V1 Yellow/Black Stripe
3 COM Black 7 +12 V2 Yellow
4 COM Black 8 +12 V2 Yellow