Connecting The Bladecenter T Type 8730 To Ac Power - IBM BladeCenter T 8720 Installation And User Manual

Connecting the BladeCenter T type 8730 to ac power

The BladeCenter T Type 8730 unit comes with one pair of 220-volt hot-swap ac
power modules in power-module bays 1 and 2. The BladeCenter T unit supports a
second pair of power modules in power-module bays 3 and 4. Each active power
module supplies 12-volt power to the blade bays that it services.
Power-module
bay 2 connector
Power-module
bay 4 connector
There are four IEC320 power connectors on the rear of the Type 8730 (ac power)
unit, marked 1-4 on the rear panel. Power is applied to the corresponding power
modules according to the numbering convention on the rear panel. (For example,
power connector 1 supplies power to power module 1, and so on.)
The BladeCenter T unit does not have a power switch. To start the BladeCenter T
Type 8730 (ac power) unit, connect one end of a power cord into input power
connector 1 and 2 on the rear of the BladeCenter T unit, and the other end of each
power cord into a 220-volt power distribution unit (PDU) that is connected into an
appropriate electrical outlet.
Important: In a redundant pair of power modules, a power module that is not
connected to a 220-volt power source creates a nonredundant condition.
If you have a second pair of power modules to install in power-module bays 3 and
4; then, connect power cords to input power connectors 3 and 4 on the rear of the
BladeCenter T unit, and the other end of each power cord into a 220-volt power
distribution unit (PDU) that is connected into an appropriate electrical outlet.
To provide true redundant power, BladeCenter T power modules 1 and 3 must be
connected to a different power source than power modules 2 and 4. Connect
BladeCenter T power modules 1 and 3 to a different PDU than power modules 2
and 4; then, connect each PDU to an ac power source (building power source or
service entrance) that is controlled by a separate circuit breaker.
Type 8730
TOP TOP
D D
2 1
Alarms
CRT MNR
MJR
2 4
1 3
BTM BTM
E E
ESD connector
Chapter 2. Setting up the BladeCenter T hardware
Power-module
bay 1 connector
Power-module
bay 3 connector
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