Technical data

Power Supply Technical Information
Make sure that the SPU is properly grounded. It requires a three-wire
power cahle
and the power supply retaining/grounding screw must be
installed. Also, make sure that the power supply access door is properly
installed.
Voltage
Tolerance
+5 V de
4.89
to 5.25 V de
+12 V
11.86 to 12.72 V de
-12 V
-11.86 to -12.72 V de
Voltage Indicators
Voltage Indication
-12 V de
(none)
+5 V
Self-test LED lit at turn-on.
+12 V de
Fan Running
Voltage Reference Test Points
Figure 4-1. Power Supply Test Points
Troubleshooting 29