Appendix A
Specifications
A-2
ni.com
Power disconnect ....................................The AC power cable provides
main power disconnect.
Depressing the front-panel power
switch controls the internal
chassis power supply that
provides DC power to the
CompactPCI/PXI backplane. You
also can use the rear-panel 9-pin
D-Sub connector to control the
internal chassis power supply.
DC Output
DC current capacity (I
MP
)
Maximum ripple and noise (20 MHz bandwidth)
Voltage
0–50 °C
50–55 °C
+3.3 V
12 A
12 A
+5 V
17 A
17 A
+12 V
2 A
2 A
–12 V
1 A
1 A
+20 V
1.36 A
1.16 A
–20 V
1.36 A
1.16 A
Voltage
Maximum Ripple and Noise
+3.3 V
50 mV
pp
+12 V
120 mV
pp
+5 V
50 mV
pp
–12 V
120 mV
pp
+20 V
200 mV
pp
–20 V
200 mV
pp
