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Power Supplies
36 Configuring the HP E1399A
All of the power pins on P1 (as shown in Table 2-15) are available on short
stubs from the connectors. The +5 VDC and +12 VDC power supplies are
fused. Users should fuse and filter any other power supplies they access to
protect their mainframe.
All ground pins are connected together and are accessible in several places.
No ground loops are present in the module. The front panel of the module is
not grounded.
Table 2-15. Power Supply Voltages and Pin Numbers
Voltage
+5 V dc
+5V stdby
+ 12 V dc
-12 V dc
Connector and Pin Numbers
(P1) A32, B32, C32
(P1) B31
(P1) C31
(P1) A31
Chapter 2
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