Motorola CPCI-6115 Service Manual Page 147

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Chapter 10 Pin Assignments
CPX8216 and CPX8216T Installation and Use (6806800A52C)
127
Alarm Interface Connector (ALARM)
The alarm interface connector is located on the secondary side of the backplane. Alarm signals
are routed through the backplane to the ALARM connector. The alarm board attaches to this
connector by ribbon cable.
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 10-32. ALARM Connector Pin Assignments
Pin Signal Pin Signal
1 ALM_A_CLK 2 GND
3 ALM_B_CLK 4 GND
5 ALM_A_DOUT# 6 ALM_A_5V
7 ALM_B_DOUT# 8 ALM_B_5V
9 ALM_A_FRAME# 10 ALM_B_FRAME#
11 ALM_A_DIN# 12
Table 10-33. 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#
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