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Power modules for Type 8730
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 it services (see Figure 20).
Power modules are not needed in bays 3 and 4 until you begin installing blades or
options in blade bays 5 through 8.
Important: Nonredundant power is not supported in BladeCenter T units. Power
modules must always be present in power bays 1 and 2. When any blade server or
option is in blade bay 5 through 8 or if I/O modules are in I/O-module bay 3 or 4,
power modules must be present in all four power-module bays.
If a power module fails or a loss of ac power occurs, BladeCenter T units
configured for redundant power operation will operate in a nonredundant mode, and
the blower modules will run at full speed. You must replace the failing power
module or restore system input power as soon as possible to regain redundant
power operation and to reset the blower modules to their normal operating speeds.
Figure 20. BladeCenter T power module for Type 8730
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BladeCenter T Types 8720 and 8730: Planning and Installation Guide
AC power module
AC in LED
DC out LED
Error LED
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