Motorola CPX8000 User Manual
6-6
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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.
primary side of the backplane.
Note
The shaded pins are high current pins. Present[n]# is grounded
on the backplane.
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#