NEC ELECTRA ELITE IPK II, System Hardware Manual, Page: 111 / 642

Electra Elite IPK II Document Revision 3
System Hardware Manual 5 - 23
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3.10 Replacing the Power Supply Unit in the KSU
The Electra Elite IPK II system has a P64-U( ) PSU for each KSU. The Power
Supply Unit has a battery backup interface and accepts 117 Vac and outputs
+5V and –24V to the system.
The Power Supply Unit is included with the B64-U20 KSU.
3.10.1 Connecting the Power Supply Unit to the Basic KSU
1. Connect the 8-wire cable from the PSU to the connector on the
backplane of the KSU.
2. Install the P64-U( ) PSU into the bottom space of the KSU and
attach it to the KSU using the two provided screws.
Figure 5-21 Connecting Wires to the PSU
Before replacing the PSU, remove the defective PSU and verify that
the power cord on the replacement PSU is unplugged.
Cable
Connections