user manual

6-6 Computer Group Literature Center Web Site
Subassembly Reference
6
Power Supply Connectors (PS1, PS2, PS3)
The three power supply connectors, PS1, PS2, and PS3, are located on the
primary side of the backplane.
Note The shaded pins are high current pins. Present[n]# is grounded
on the backplane.
Table 6-2. PS1, PS2, and PS3 Pin Assignments
Pin Signal Signal Pin
1
GND Present[n]# 16
2
GND -12Vdc 17
3
+3.3Vdc A_DOUT# 18
4
+3.3Vdc PS[n]_DIN# 19
5 +S5Vdc -12Vdc 20
6-S5Vdc N/C 21
7+5_Share N/C 22
8+S3.3Vdc N/C 23
9-S3.3Vdc N/C 24
10 +3.3_Share N/C 25
11 +12Vdc
+5Vdc 26
12 +12Vdc
+5Vdc 27
13 +12Vdc
GND 28
14 A_CLK
GND 29
15 PS[n]_FRAME#