Chapter 1. General description 33
Each power cord provides unique design characteristics for the specific power requirements.
To match new power requirements and save previous investments, these power cords can be
requested with an initial order of the rack or with a later upgrade of the rack features.
Table 1-21 lists the available wall power cord options for the PDU and iPDU features, which
must be ordered separately.
Table 1-21 Wall power cord options for the PDU and iPDU features
The Universal PDUs are compatible with previous models.
To better enable electrical redundancy, each server has two power supplies that must be
connected to separate PDUs, which are not included in the base order.
For maximum availability, the best way is to connect power cords from the same system to
two separate PDUs in the rack, and to connect each PDU to independent power sources.
For detailed power requirements and power cord details, see “Planning for power” at the IBM
Power Systems Hardware information center:
http://pic.dhe.ibm.com/infocenter/powersys/v3r1m5/topic/p7had/p7hadrpower.htm
Feature
code
Wall plug Rated voltage
(V ac)
Phase Rated
amperage
Geography
6653 IEC 309,
3P+N+G, 16A
230 3 16 Amps Internationally available
6489 IEC309
3P+N+G, 32A
230 3 24 Amps EMEA
6654 NEMA L6-30 200-208, 240 1 24 Amps US, Canada, LA, Japan
6655 RS 3750DP
(watertight)
200-208, 240 1 24 Amps US, Canada, LA, Japan
6656 IEC 309,
P+N+G, 32A
230 1 24 Amps EMEA
6657 PDL 230-240 1 24 Amps Australia, New Zealand
6658 Korean plug 220 1 24 Amps North and South Korea
6492 IEC 309,
2P+G, 60A
200-208, 240 1 48 Amps US, Canada, LA, Japan
6491 IEC 309,
P+N+G, 63A
230 1 48 Amps EMEA
Notes: Ensure that the appropriate power cord feature is configured to support the power
that is being supplied. Based on the power cord that is used, the PDU can supply from
4.8 kVA to 19.2 kVA. The power of all the drawers plugged into the PDU must not exceed
the power cord limitation.
Redundant power supplies: The second power supply for the Power 720 server is
optional and not included in the base order.
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