4405ch01 General description.fm Draft Document for Review May 22, 2009 3:10 pm
16 IBM Power 570 Technical Overview and Introduction
The Universal PDUs are compatible with previous models.
1.4.4 Intelligent Power Distribution Unit (iPDU)
Energy consumption is becoming a large issue in computer-based businesses. The energy
required to power and cool computers can be a significant cost to a business – reducing profit
margins and consuming resources.
For all systems without an internal thermal and power consumption method the IBM
Intelligent Power Distribution Management (IPDU) provides a solution to measure and collect
power data. An iPDU (FC 5889) mounts in a rack and provides power outlets for the servers
to plug into.
The following list shows the characteristics of an iPDU:
Input connector Connect power cord to this connector
Power outlets Power outlet for devices. There are nine or 12 power
outlets, depending on the model
RS232 serial connector Update firmware
RJ45 console connector Provides a connection using a DB9-to-RJ45 provided cable
to a notebook computer as a configuration console.
RJ45 Ethernet (LAN) connector Port to configure the iPDU through a LAN. Speed is 10/100
auto sensed.
When a configured iPDU is selected the following dialog panel (as in IBM Systems Director)
will appear as shown in Figure 1-4 on page 17.
Note: Each system drawer to be mounted in the rack requires two power cords, which are
not included in the base order. For maximum availability it is highly recommended to
connect power cords from the same system to two separate PDUs in the rack. And to
connect each PDU to independent power sources.
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